ExternalStream.st
author Claus Gittinger <cg@exept.de>
Fri, 18 Aug 2006 16:23:48 +0200
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parent 9053 f3f3d48d6f44
child 10328 ad731a7584a3
permissions -rw-r--r--
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 COPYRIGHT (c) 1988 by Claus Gittinger
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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"
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"{ Package: 'stx:libbasic' }"
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ReadWriteStream subclass:#ExternalStream
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	instanceVariableNames:'filePointer mode buffered binary eolMode hitEOF didWrite
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		lastErrorNumber readAhead'
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	classVariableNames:'Lobby LastErrorNumber InvalidReadSignal InvalidWriteSignal
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		InvalidModeSignal OpenErrorSignal StreamNotOpenSignal
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		InvalidOperationSignal DefaultEOLMode ReadMode ReadWriteMode
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		WriteMode AppendMode CreateReadWriteMode StreamIOErrorSignal
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		FileOpenTrace'
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	poolDictionaries:''
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	category:'Streams-External'
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!
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!ExternalStream primitiveDefinitions!
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%{
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#include <stdio.h>
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#define _STDIO_H_INCLUDED_
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#ifndef NO_FCNTL_H
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# include <fcntl.h>
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# define _FCNTL_H_INCLUDED_
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#endif
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#include <errno.h>
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#define _ERRNO_H_INCLUDED_
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#ifdef LINUX
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  /* use inline string macros */
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# define __STRINGDEFS__
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# include <linuxIntern.h>
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#endif
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#ifdef hpux
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# define fileno(f)      ((f->__fileH << 8) | (f->__fileL))
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#endif
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#ifndef SEEK_SET
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# define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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# define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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# define SEEK_END 2
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#endif
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#if defined(__VMS__) || defined(__sparc__) || defined(WIN32)
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# define CLEAR_ERRNO            __threadErrno = 0;
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#else
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# define CLEAR_ERRNO            /* nothing */
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#endif
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#ifdef LATER
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#define __isFilePointer(x)      (__Class(x) == ExternalStream__FilePointer)
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#define __CHANGECLASS(o, x)     (__qClass(o) = (x), o)
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#define __MKFILEPOINTER(f)      __CHANGECLASS(__MKEXTERNALADDRESS(f), ExternalStream__FilePointer)
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#else
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#define __MKFILEPOINTER(f)      __MKEXTERNALADDRESS(f)
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#endif
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#ifdef WIN32
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# define NO_STDIO
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# undef __HANDLE_INTERRUPTS__
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# define __HANDLE_INTERRUPTS__    /* nothing */
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# undef __BEGIN_INTERRUPTABLE__
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# define __BEGIN_INTERRUPTABLE__  /* nothing */
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# undef __END_INTERRUPTABLE__
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# define __END_INTERRUPTABLE__    /* nothing */
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#endif
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# ifdef __i386__
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#  define _X86_
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# endif
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#ifdef WIN32
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# undef INT
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# undef Array
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# undef Number
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# undef Method
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# undef Point
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# undef Rectangle
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# undef Block
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# undef Time
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# undef Date
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# undef Delay
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# undef Set
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# undef Signal
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# undef Context
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# undef Message
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# undef Process
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# define NOATOM
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# define NOGDICAPMASKS
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# define NOMETAFILE
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# define NOMINMAX
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//#d efine NOOPENFILE
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# define NOSOUND
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# define NOWH
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//# define NOCOMM
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# define NOKANJI
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# define NOCRYPT
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//# define NOMCX
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# include <winsock.h> /* */
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# if !defined(__BORLANDC__)
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#  define stat _stat
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# endif
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# ifdef __DEF_Array
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#  define Array __DEF_Array
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# endif
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# ifdef __DEF_Number
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#  define Number __DEF_Number
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# endif
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# ifdef __DEF_Method
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#  define Method __DEF_Method
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# endif
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# ifdef __DEF_Point
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#  define Point __DEF_Point
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# endif
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# ifdef __DEF_Block
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#  define Block __DEF_Block
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# endif
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# ifdef __DEF_Time
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#  define Time __DEF_Time
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# endif
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# ifdef __DEF_Date
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#  define Date __DEF_Date
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# endif
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# ifdef __DEF_Set
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#  define Set __DEF_Set
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# endif
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# ifdef __DEF_Signal
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#  define Signal __DEF_Signal
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# endif
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# ifdef __DEF_Delay
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#  define Delay __DEF_Delay
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# endif
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# ifdef __DEF_Context
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#  define Context __DEF_Context
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# endif
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# ifdef __DEF_Message
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#  define Message __DEF_Message
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# endif
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# ifdef __DEF_Process
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#  define Process __DEF_Process
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# endif
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# define INT    int
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# define off_t  long
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#endif /* WIN32 */
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#ifndef NO_STDIO /* use STDIO */
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# define STDIO_NEEDS_FSEEK
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# define FILEPOINTER            FILE *
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# define READ(f, cp, n)         read(f, cp, n)
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# define WRITE(f, cp, n)        write(f, cp, n)
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# define FFLUSH(fp)             fflush(fp)
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# define FILENO(f)              fileno(f)
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#endif /* use STDIO */
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#ifdef DEBUGGING
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  extern char *__survStartPtr, *__survEndPtr;
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# define DEBUGBUFFER(buf)  \
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    if (((char *)(buf) >= __survStartPtr) \
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     && ((char *)(buf) < __survEndPtr)) { \
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	__fatal0("read into survivor\n"); \
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    }
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#else
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# define DEBUGBUFFER(buf) /* nothing */
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#endif
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216
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/*
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 * stdio library requires an fseek before reading whenever a file
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 * is open for read/write and the last operation was a write.
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 * (also vice-versa).
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 * All code should use the following macro before doing reads:
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 */
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#ifdef STDIO_NEEDS_FSEEK
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# define OPT_FSEEK(f, pos, whence)      fseek(f, pos, whence)
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#else
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# define OPT_FSEEK(f, pos, whence)      /* nothing */
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#endif
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#ifdef WIN32
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//# define __HANDLEVal(o)         (HFILE)(__externalAddressVal(o))
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int _rtl_read();
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int _rtl_write();
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int _rtl_read();
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int _rtl_write();
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# ifdef __BORLANDC__
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#  define READ(ret,f, cp, n) \
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      { int __res;\
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	HANDLE h; \
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	h = _get_osfhandle(fileno(f)); \
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	if (ioctlsocket((SOCKET)h,FIONREAD,&__res)==0) \
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	  (ret) = __STX_WSA_NOINT_CALL4("recv", recv, h, (cp), (n), 0);\
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	else \
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	  (ret) = __STX_C_NOINT_CALL3("_rtl_read", _rtl_read, fileno(f), (cp), (n));\
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      }
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#  define WRITE(ret,f, cp, n) \
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      { int __res;\
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	HANDLE h; \
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	h = _get_osfhandle(fileno(f)); \
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	if (ioctlsocket((SOCKET)h,FIONREAD,&__res)==0) \
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	  (ret) = __STX_WSA_NOINT_CALL4("send", send, h, (cp), (n), 0);\
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	else \
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	  (ret) = __STX_C_NOINT_CALL3("_rtl_write", _rtl_write, fileno(f), (cp), (n));\
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      }
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# else /* MSC */
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#  define READ(ret,f, cp, n) \
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      { int __res;\
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	HANDLE h; \
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	h = _get_osfhandle(fileno(f)); \
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	if (ioctlsocket((SOCKET)h,FIONREAD,&__res)==0) \
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	  (ret) = __STX_WSA_NOINT_CALL4("recv", recv, h, (cp), (n), 0);\
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	else { \
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	  (ret) = __STX_API_NOINT_CALL5("ReadFile", ReadFile, h, (cp), (n), &__res, 0);\
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	  if (ret) \
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	    ret = __res; \
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	} \
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      }
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#  define WRITE(ret,f, cp, n) \
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      { int __res;\
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	HANDLE h; \
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	h = _get_osfhandle(fileno(f)); \
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	if (ioctlsocket((SOCKET)h,FIONREAD,&__res)==0) \
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	  (ret) = __STX_WSA_NOINT_CALL4("send", send, h, (cp), (n), 0);\
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	else {\
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	  (ret) = __STX_API_NOINT_CALL5("WriteFile", WriteFile, h, (cp), (n), &__res, 0);\
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	  if (ret) \
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	    ret = __res; \
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	} \
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      }
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# endif /* MSC */
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# define FFLUSH(fp)             fflush(fp)
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# undef STDIO_NEEDS_FSEEK
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# define FILEPOINTER            FILE *
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# define FILENO(f)              fileno(f)
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# define __READING__(f)                          \
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    if ((__INST(didWrite) != false)              \
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     && (__INST(mode) == @symbol(readwrite))) {  \
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	__INST(didWrite) = false;                \
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	OPT_FSEEK(f, 0L, SEEK_CUR); /* needed in stdio */  \
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    }
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# define __WRITING__(f)                          \
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    if ((__INST(didWrite) != true)               \
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     && (__INST(mode) == @symbol(readwrite))) {  \
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	__INST(didWrite) = true;                 \
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	OPT_FSEEK(f, 0L, SEEK_CUR); /* needed in stdio */  \
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   278
    }
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
   279
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   280
# define __UNGETC__(c, f, isBuffered)                   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   281
    if (isBuffered) {                                   \
7832
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parents: 7806
diff changeset
   282
	ungetc((c), (f));                               \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   283
    } else {                                            \
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
   284
      __INST(readAhead) = __mkSmallInteger((c));            \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   285
    }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   286
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   287
# define __READBYTE__(ret, f, buf, isBuffered)          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   288
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   289
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   290
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   291
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   292
	    if ((ret) >= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   293
		*(buf) = (ret);                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   294
		(ret) = 1;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   295
	    } else if (ferror(f)) {                     \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   296
		if (__threadErrno == EINTR) {           \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   297
		    clearerr(f);                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   298
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   299
		}                                       \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   300
	    } else {                                    \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   301
		(ret) = 0;                              \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   302
	    }                                           \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   303
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   304
	}                                               \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   305
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   306
	OBJ rA = __INST(readAhead);                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   307
	if (rA != nil) {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   308
	    *(buf) = (char)__intVal(rA);                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   309
	    __INST(readAhead) = nil;                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   310
	    (ret) = 1;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   311
	} else {                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   312
	    for (;;) {                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   313
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   314
		READ(ret,f, buf, 1);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   315
		if ((ret) >= 0 || __threadErrno != EINTR)       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   316
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   317
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   318
	}                                               \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   319
    }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   320
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   321
  /*
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   322
   * read_bytes into a c-buffer
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   323
   * (which may NOT move)
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   324
   */
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   325
# define __READBYTES__(ret, f, buf, cnt, isBuffered)    \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   326
    (ret) = 0;                                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   327
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   328
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   329
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   330
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   331
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   332
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   333
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   334
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   335
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   336
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   337
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   338
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   339
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   340
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   341
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   342
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   343
	    (buf)[__offs++] = (ret);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   344
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   345
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   346
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   347
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   348
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   349
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   350
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   351
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   352
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   353
		(buf)[__offs] = __intVal(rA);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   354
		__INST(readAhead) = nil;                \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   355
		(ret) = 1;                              \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   356
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   357
		CLEAR_ERRNO;                            \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   358
		READ(ret,f, (buf)+__offs, (cnt)-__offs); \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   359
		if ((ret) <= 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   360
		    if ((ret) < 0 && __threadErrno == EINTR) {  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   361
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   362
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   363
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   364
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   365
	    }                                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   366
	    __offs += (ret);                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   367
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   368
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   369
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   370
   }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   371
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   372
# define __READAVAILBYTES__(ret, f, buf, cnt, isBuffered) \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   373
  {                                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   374
    int __offs = 0;                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   375
    int oldFlags;                                       \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   376
							\
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   377
    (ret) = 0;                                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   378
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   379
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   380
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   381
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   382
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   383
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   384
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   385
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   386
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   387
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   388
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   389
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   390
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   391
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   392
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   393
	    (buf)[__offs++] = (ret);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   394
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   395
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   396
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   397
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   398
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   399
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   400
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   401
		(buf)[__offs] = __intVal(rA);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   402
		__INST(readAhead) = nil;                \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   403
		(ret) = 1;                              \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   404
		__offs += (ret);                        \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   405
		continue;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   406
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   407
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   408
	    {                                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   409
	      int res;                                  \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   410
	      if (ioctlsocket((SOCKET)_get_osfhandle(fileno(f)),FIONREAD,&res)==0) { \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   411
		  if (res > 0) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   412
		      if (res > ((cnt)-__offs))         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   413
			res = (cnt)-__offs;             \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   414
		      READ(ret,f, (buf)+__offs, res);   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   415
		  } else {                              \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   416
		      (ret) = 0;                        \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   417
		  }                                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   418
	      } else if (PeekNamedPipe((HANDLE)_get_osfhandle(fileno(f)),0, 0,0,&res,0)) { \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   419
		  if (res > 0) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   420
		      if (res > ((cnt)-__offs))         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   421
			res = (cnt)-__offs;             \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   422
		      READ(ret,f, (buf)+__offs, res);   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   423
		  } else                                \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   424
		      ret = 0;                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   425
	      } else {                                  \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   426
		  READ(ret,f, (buf)+__offs, (cnt)-__offs); \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   427
	      }                                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   428
	    }                                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   429
	    if ((ret) < 0) {                            \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   430
		if (__threadErrno == EINTR) {                   \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   431
		    continue;                           \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   432
		}                                       \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   433
		break;                                  \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   434
	    }                                           \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   435
	    __offs += (ret);                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   436
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   437
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   438
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   439
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   440
    }                                                   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   441
  }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   442
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   443
# define IO_BUFFER_SIZE        (8*1024)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   444
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   445
# define __READBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered) \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   446
  {                                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   447
    int __ooffs = obj_offs;                             \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   448
    int __offs = 0;                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   449
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   450
							\
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   451
    (ret) = 0;                                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   452
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   453
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   454
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   455
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   456
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   457
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   458
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   459
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   460
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   461
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   462
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   463
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   464
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   465
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   466
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   467
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   468
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   469
	    (buf)[__ooffs+__offs] = (ret);              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   470
	    __offs++;                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   471
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   472
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   473
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   474
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   475
	while (__offs < (cnt)) {                        \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   476
	    char __buf[IO_BUFFER_SIZE];                 \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   477
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   478
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   479
		(buf)[__ooffs+__offs] = __intVal(rA);   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   480
		__INST(readAhead) = nil;                \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   481
		(ret) = 1;                              \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   482
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   483
		int l;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   484
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   485
		l = (cnt)-__offs;                       \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   486
		if ( l > IO_BUFFER_SIZE)                \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   487
		  l = IO_BUFFER_SIZE;                   \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   488
		READ(ret,f, __buf, l);                  \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   489
		if ((ret) <= 0) {                       \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   490
		    if ((ret) < 0 && __threadErrno == EINTR) {  \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   491
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   492
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   493
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   494
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   495
	    }                                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   496
	    if( (ret) > 0 ) {                               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   497
		/* refetch */                               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   498
		buf = (volatile char *)(obj);               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   499
		memcpy((buf)+__ooffs+__offs,__buf,(ret));   \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   500
		__offs += (ret);                            \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   501
	    } else {                                        \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   502
		(ret) = 0;                                  \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   503
	    }                                               \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   504
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   505
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   506
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   507
    }                                                   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   508
  }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   509
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   510
# define __READAVAILBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)\
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   511
  {                                                  \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   512
    int __ooffs = obj_offs;                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   513
    int __offs = 0;                                  \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   514
    char *buf = (char *)(obj);                       \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   515
						     \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   516
    (ret) = 0;                                       \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   517
    if (isBuffered) {                                \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   518
	while (__offs < (cnt)) {                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   519
	    CLEAR_ERRNO;                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   520
	    (ret) = getc(f);                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   521
	    if ((ret) < 0) {                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   522
		if (ferror(f)) {                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   523
		    if (__threadErrno == EINTR) {            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   524
			clearerr(f);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   525
			/* refetch */                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   526
			buf = (char *)(obj);         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   527
			continue;                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   528
		    }                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   529
		} else {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   530
		    (ret) = 0;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   531
		}                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   532
		break;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   533
	    }                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   534
	    (buf)[__ooffs+__offs] = (ret);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   535
	    __offs++;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   536
	}                                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   537
	if (__offs > 0)                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   538
	    (ret) = __offs;                          \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   539
    } else {                                         \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   540
	while (__offs < (cnt)) {                     \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   541
	    char __buf[IO_BUFFER_SIZE];              \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   542
	    OBJ rA = __INST(readAhead);              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   543
	    if (rA != nil) {                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   544
		(buf)[__ooffs+__offs] = __intVal(rA);\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   545
		__INST(readAhead) = nil;             \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   546
		(ret) = 1;                           \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   547
		__offs += (ret);                     \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   548
		continue;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   549
	    }                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   550
	    {                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   551
		int l;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   552
		int res;                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   553
		CLEAR_ERRNO;                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   554
		l = (cnt)-__offs;                    \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   555
		if ( l > IO_BUFFER_SIZE)             \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   556
		    l = IO_BUFFER_SIZE;              \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   557
		if (ioctlsocket((SOCKET)_get_osfhandle(fileno(f)),FIONREAD,&res)==0) { \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   558
		if (res > 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   559
			if (res > l)                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   560
			    res = l;                 \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   561
			READ(ret,f, __buf, res);     \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   562
		    } else {                         \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   563
			(ret) = 0;                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   564
		    }                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   565
		} else if (PeekNamedPipe((HANDLE)_get_osfhandle(fileno(f)),0, 0,0,&res,0)) { \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   566
		    if (res > 0) {                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   567
			if (res > l)                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   568
			    res = l;                 \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   569
			READ(ret,f, __buf, res);     \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   570
		    } else                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   571
			(ret) = 0;                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   572
		} else {                             \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   573
		    READ(ret,f, __buf, l);           \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   574
		}                                    \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   575
		if ((ret) < 0 && __threadErrno == EINTR) {   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   576
		    continue;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   577
		}                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   578
	    }                                        \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   579
	    if( (ret) > 0 ) {                               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   580
		/* refetch */                               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   581
		buf = (volatile char *)(obj);               \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   582
		memcpy((buf)+__ooffs+__offs,__buf,(ret));   \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   583
		__offs += (ret);                            \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   584
	    } else {                                        \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   585
		(ret) = 0;                                  \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   586
	    }                                               \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   587
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   588
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   589
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   590
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   591
    }                                                   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   592
  }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   593
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   594
# define __WRITEBYTE__(ret, f, buf, isBuffered)         \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   595
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   596
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   597
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   598
	    ret = putc(*(buf), f);                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   599
	    if ((ret) >= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   600
		(ret) = 1;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   601
	    } else if (ferror(f)) {                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   602
		if (__threadErrno == EINTR) {                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   603
		    clearerr(f);                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   604
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   605
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   606
	    } else                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   607
		(ret) = 0;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   608
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   609
	}                                               \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   610
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   611
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   612
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   613
	    WRITE(ret,f, buf, 1);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   614
	    if ((ret) >= 0 || __threadErrno != EINTR)           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   615
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   616
	}                                               \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   617
   }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   618
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   619
# define __WRITEBYTES__(ret, f, buf, cnt, isBuffered)   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   620
    (ret) = 0;                                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   621
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   622
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   623
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   624
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   625
	    ret = fwrite((buf)+__offs, 1, (cnt)-__offs, f);\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   626
	    if ((ret) <= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   627
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   628
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   629
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   630
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   631
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   632
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   633
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   634
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   635
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   636
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   637
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   638
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   639
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   640
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   641
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   642
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   643
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   644
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   645
	    WRITE(ret,f, (buf)+__offs, (cnt)-__offs);   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   646
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   647
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   648
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   649
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   650
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   651
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   652
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   653
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   654
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   655
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   656
   }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   657
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   658
# define __WRITEBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered) \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   659
  {                                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   660
    int __ooffs = obj_offs;                             \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   661
    int __offs = 0;                                     \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   662
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   663
							\
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   664
    (ret) = 0;                                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   665
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   666
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   667
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   668
	    ret = fwrite((buf)+__ooffs+__offs, 1, (cnt)-__offs, f); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   669
	    if ((ret) <= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   670
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   671
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   672
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   673
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   674
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   675
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   676
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   677
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   678
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   679
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   680
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   681
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   682
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   683
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   684
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   685
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   686
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   687
	while (__offs < (cnt)) {                        \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   688
	    char __buf[IO_BUFFER_SIZE];                 \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   689
	    int l;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   690
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   691
	    l = (cnt)-__offs;                           \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   692
	    if ( l > IO_BUFFER_SIZE)                    \
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   693
	      l = IO_BUFFER_SIZE;                       \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   694
	    /* refetch */                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   695
	    buf = (volatile char *)(obj);               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   696
	    memcpy(__buf,(buf)+__ooffs+__offs,l);       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   697
	    WRITE(ret,f, __buf, l);                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   698
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   699
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   700
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   701
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   702
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   703
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   704
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   705
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   706
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   707
	    (ret) = __offs;                             \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   708
    }                                                   \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   709
  }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   710
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   711
#else /* no WIN32 */
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   712
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   713
# define __READING__(f)                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   714
    if ((__INST(didWrite) != false)              \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   715
     && (__INST(mode) == @symbol(readwrite))) {  \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   716
	__INST(didWrite) = false;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   717
	OPT_FSEEK(f, 0L, SEEK_CUR); /* needed in stdio */  \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   718
    }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   719
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   720
# define __WRITING__(f)                          \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   721
    if ((__INST(didWrite) != true)               \
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   722
     && (__INST(mode) == @symbol(readwrite))) {  \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   723
	__INST(didWrite) = true;                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   724
	OPT_FSEEK(f, 0L, SEEK_CUR); /* needed in stdio */  \
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   725
    }
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   726
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   727
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   728
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   729
#  define __UNGETC__(c, f, isBuffered)                  \
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
   730
    __INST(readAhead) = __mkSmallInteger((c));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   731
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   732
#  define __UNGETC__(c, f, isBuffered)                  \
2264
ac5dfc03aa26 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2262
diff changeset
   733
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   734
	ungetc((c), (f));                               \
2264
ac5dfc03aa26 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2262
diff changeset
   735
    } else {                                            \
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
   736
	__INST(readAhead) = __mkSmallInteger((c));          \
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
   737
    }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   738
# endif /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   739
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   740
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   741
#  define __READBYTE__(ret, f, buf, isBuffered)         \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   742
    {                                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   743
	OBJ rA = __INST(readAhead);                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   744
	if (rA != nil) {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   745
	    *(buf) = __intVal(rA);                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   746
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   747
	    __INST(readAhead) = nil;                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   748
	    (ret) = 1;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   749
	} else {                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   750
	    for (;;) {                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   751
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   752
		(ret) = READ(f, buf, 1);                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   753
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   754
		if ((ret) >= 0 || __threadErrno != EINTR)       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   755
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   756
		__HANDLE_INTERRUPTS__;                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   757
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   758
	}                                               \
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
   759
    }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   760
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   761
#  define __READBYTE__(ret, f, buf, isBuffered)         \
2264
ac5dfc03aa26 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2262
diff changeset
   762
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   763
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   764
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   765
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   766
	    if ((ret) >= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   767
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   768
		*(buf) = (ret);                         \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   769
		(ret) = 1;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   770
	    } else if (ferror(f)) {                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   771
		if (__threadErrno == EINTR) {                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   772
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   773
		    clearerr(f);                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   774
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   775
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   776
	    } else                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   777
		(ret) = 0;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   778
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   779
	}                                               \
2264
ac5dfc03aa26 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2262
diff changeset
   780
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   781
	OBJ rA = __INST(readAhead);                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   782
	if (rA != nil) {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   783
	    *(buf) = __intVal(rA);                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   784
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   785
	    __INST(readAhead) = nil;                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   786
	    (ret) = 1;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   787
	} else {                                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   788
	    for (;;) {                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   789
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   790
		(ret) = read(fileno(f), buf, 1);        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   791
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   792
		if ((ret) >= 0 || __threadErrno != EINTR)       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   793
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   794
		__HANDLE_INTERRUPTS__;                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   795
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   796
	}                                               \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   797
   }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   798
# endif /* use STDIO */
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
   799
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   800
/*
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   801
 * read_bytes into a c-buffer
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   802
 * (which may NOT move)
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   803
 */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   804
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   805
#  define __READBYTES__(ret, f, buf, cnt, isBuffered)   \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   806
    {                                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   807
	int __offs = 0, __cnt;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   808
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   809
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   810
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   811
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   812
		(buf)[__offs] = __intVal(rA);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   813
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   814
		__INST(readAhead) = nil;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   815
		__offs++;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   816
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   817
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   818
		__cnt = READ(f, (buf)+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   819
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   820
		if (__cnt <= 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   821
		    if (__cnt < 0 && __threadErrno == EINTR) {  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   822
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   823
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   824
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   825
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   826
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   827
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   828
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   829
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   830
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   831
	    (ret) = __offs;                             \
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
   832
   }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   833
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   834
#  define __READBYTES__(ret, f, buf, cnt, isBuffered)     \
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
   835
    (ret) = 0;                                          \
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
   836
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   837
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   838
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   839
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   840
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   841
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   842
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   843
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   844
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   845
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   846
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   847
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   848
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   849
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   850
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   851
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   852
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   853
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   854
	    (buf)[__offs++] = (ret);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   855
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   856
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   857
	    (ret) = __offs;                             \
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
   858
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   859
	int __offs = 0, __cnt;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   860
	int fd = fileno(f);                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   861
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   862
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   863
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   864
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   865
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   866
		(buf)[__offs] = __intVal(rA);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   867
		__INST(readAhead) = nil;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   868
		__offs++;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   869
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   870
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   871
		__cnt = read(fd, (buf)+__offs, (cnt)-__offs);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   872
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   873
		if (__cnt <= 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   874
		    if (__cnt < 0 && __threadErrno == EINTR) {  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   875
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   876
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   877
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   878
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   879
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   880
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   881
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   882
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   883
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   884
	    (ret) = __offs;                             \
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
   885
   }
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   886
6563
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   887
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   888
/*
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   889
 * FNDELAY and O_NDELAY is deprecated, O_NONBLOCK is used in POSIX, XPG, etc...
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   890
 */
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   891
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   892
#  if defined(F_GETFL) && defined(F_SETFL) && (defined(O_NONBLOCK) || defined(O_NDELAY) || defined(FNDELAY))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   893
#   define GETFLAGS(fd) \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   894
	fcntl(fd, F_GETFL, 0);
3554
320cbfef9382 made nextAvail really unblocking
Claus Gittinger <cg@exept.de>
parents: 3551
diff changeset
   895
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   896
#   define SETFLAGS(fd, flags) \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   897
	fcntl(fd, F_SETFL, flags)
6563
f786651428c8 Support O_NONBLOCK which is the POSIX way of FNDELAY
Stefan Vogel <sv@exept.de>
parents: 6487
diff changeset
   898
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   899
#   if defined(O_NONBLOCK)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   900
#    define __STX_NONBLOCK_FLAG O_NONBLOCK
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   901
#   else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   902
#    if defined(O_NDELAY)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   903
#     define __STX_NONBLOCK_FLAG O_NDELAY
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   904
#    else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   905
#     define __STX_NONBLOCK_FLAG FNDELAY
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   906
#    endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   907
#   endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   908
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   909
#   define SETNONBLOCKING(fd) \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   910
	{ \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   911
	    int flags; \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   912
	    flags = fcntl(fd, F_GETFL, 0); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   913
	    if (flags >= 0) { \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   914
		fcntl(fd, F_SETFL, flags | __STX_NONBLOCK_FLAG); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   915
	    } \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   916
	}
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   917
#  else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   918
#   define GETFLAGS(fd) 0
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   919
#   define SETFLAGS(fd, flags) /* nothing */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   920
#   define SETNONBLOCKING(fd) /* nothing */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   921
#  endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   922
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   923
#  define __READAVAILBYTES__(ret, f, buf, cnt, isBuffered) \
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   924
  {                                                     \
7540
7cd542f29024 Fix reading when readAheadBuffer is filled and following read fails
Stefan Vogel <sv@exept.de>
parents: 7503
diff changeset
   925
    int __offs = 0, __cnt;                                     \
3681
55dc17d40aab fixed nextAvail
Claus Gittinger <cg@exept.de>
parents: 3674
diff changeset
   926
    int oldFlags;                                       \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   927
							\
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   928
    (ret) = 0;                                          \
3681
55dc17d40aab fixed nextAvail
Claus Gittinger <cg@exept.de>
parents: 3674
diff changeset
   929
    oldFlags = GETFLAGS(fileno(f));                     \
55dc17d40aab fixed nextAvail
Claus Gittinger <cg@exept.de>
parents: 3674
diff changeset
   930
    SETNONBLOCKING(fileno(f));                          \
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   931
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   932
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   933
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   934
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   935
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   936
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   937
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   938
			(ret) = 0;                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   939
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   940
			break;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   941
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   942
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   943
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   944
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   945
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   946
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   947
	    (buf)[__offs++] = (ret);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   948
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   949
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   950
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   951
	    (ret) = __offs;                             \
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   952
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   953
	int fd = fileno(f);                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   954
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   955
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   956
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   957
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   958
		(buf)[__offs] = __intVal(rA);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   959
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   960
		__INST(readAhead) = nil;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   961
		__offs++;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   962
		continue;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   963
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   964
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   965
	    __cnt = read(fd, (buf)+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   966
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   967
	    if (__cnt > 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   968
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   969
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   970
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   971
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   972
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   973
	    (ret) = __offs;                             \
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   974
    }                                                   \
3681
55dc17d40aab fixed nextAvail
Claus Gittinger <cg@exept.de>
parents: 3674
diff changeset
   975
    SETFLAGS(fileno(f), oldFlags);                      \
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   976
  }
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
   977
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
   978
# endif /* use STDIO */
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
   979
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   980
/*
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   981
 * read_bytes into an object
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   982
 * (which may be moved by GC)
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
   983
 */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   984
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
   985
#  define __READBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)     \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   986
  {                                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   987
    int __ooffs = obj_offs;                             \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   988
    int __offs = 0;                                     \
7540
7cd542f29024 Fix reading when readAheadBuffer is filled and following read fails
Stefan Vogel <sv@exept.de>
parents: 7503
diff changeset
   989
    int __cnt;                                          \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   990
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   991
							\
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
   992
    (ret) = 0;                                          \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
   993
    {                                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   994
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   995
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   996
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   997
		(buf)[__ooffs+__offs] = __intVal(rA);   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   998
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
   999
		__INST(readAhead) = nil;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1000
		__offs++;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1001
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1002
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1003
		__cnt = READ(f, (buf)+__ooffs+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1004
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1005
		if (__cnt <= 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1006
		    if (__cnt < 0 && __threadErrno == EINTR) {  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1007
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1008
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1009
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1010
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1011
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1012
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1013
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1014
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1015
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1016
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1017
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1018
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1019
    }                                                   \
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  1020
  }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1021
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1022
#  define __READBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)     \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1023
  {                                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1024
    int __ooffs = obj_offs;                             \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1025
    int __offs = 0;                                     \
7540
7cd542f29024 Fix reading when readAheadBuffer is filled and following read fails
Stefan Vogel <sv@exept.de>
parents: 7503
diff changeset
  1026
    int __cnt;                                          \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1027
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1028
							\
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1029
    (ret) = 0;                                          \
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1030
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1031
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1032
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1033
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1034
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1035
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1036
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1037
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1038
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1039
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1040
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1041
			DEBUGBUFFER(buf);               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1042
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1043
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1044
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1045
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1046
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1047
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1048
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1049
	    (buf)[__ooffs+__offs] = (ret);              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1050
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1051
	    __offs++;                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1052
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1053
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1054
	    (ret) = __offs;                             \
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1055
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1056
	int fd = fileno(f);                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1057
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1058
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1059
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1060
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1061
		(buf)[__ooffs+__offs] = __intVal(rA);   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1062
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1063
		__INST(readAhead) = nil;                \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1064
		__offs++;                               \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1065
	    } else {                                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1066
		CLEAR_ERRNO;                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1067
		__cnt = read(fd, (buf)+__ooffs+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1068
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1069
		if (__cnt <= 0) {                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1070
		    if (__cnt < 0 && __threadErrno == EINTR) {  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1071
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1072
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1073
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1074
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1075
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1076
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1077
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1078
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1079
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1080
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1081
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1082
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1083
    }                                                   \
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1084
  }
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1085
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1086
# define __READAVAILBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)     \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1087
  {                                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1088
    int __ooffs = obj_offs;                             \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1089
    int __offs = 0;                                     \
7540
7cd542f29024 Fix reading when readAheadBuffer is filled and following read fails
Stefan Vogel <sv@exept.de>
parents: 7503
diff changeset
  1090
    int __cnt;                                          \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1091
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1092
							\
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1093
    (ret) = 0;                                          \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1094
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1095
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1096
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1097
	    (ret) = getc(f);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1098
	    if ((ret) < 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1099
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1100
		    if (__threadErrno == EINTR) {       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1101
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1102
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1103
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1104
			(ret) = 0;                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1105
			break;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1106
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1107
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1108
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1109
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1110
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1111
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1112
	    (buf)[__ooffs+__offs] = (ret);              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1113
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1114
	    __offs++;                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1115
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1116
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1117
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1118
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1119
	int fd = fileno(f);                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1120
							\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1121
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1122
	    OBJ rA = __INST(readAhead);                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1123
	    if (rA != nil) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1124
		(buf)[__ooffs+__offs] = __intVal(rA);   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1125
		DEBUGBUFFER(buf);                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1126
		__INST(readAhead) = nil;                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1127
		__offs++;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1128
		continue;                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1129
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1130
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1131
	    __cnt = read(fd, (buf)+__ooffs+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1132
	    DEBUGBUFFER(buf);                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1133
	    if (__cnt > 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1134
		__offs += __cnt;                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1135
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1136
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1137
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1138
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1139
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1140
    }                                                   \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1141
  }
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1142
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1143
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1144
# endif /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1145
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1146
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1147
#  define __WRITEBYTE__(ret, f, buf, isBuffered)          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1148
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1149
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1150
	    (ret) = WRITE(f, buf, 1);                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1151
	    if ((ret) >= 0 || __threadErrno != EINTR)           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1152
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1153
	    __HANDLE_INTERRUPTS__;                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1154
	}
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1155
# else /* use STDIO */
4968
ff01ac91efa3 Fix buffered nexPut: for Solaris/Sparc
Stefan Vogel <sv@exept.de>
parents: 4914
diff changeset
  1156
#  define __WRITEBYTE__(ret, f, buf, isBuffered)        \
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  1157
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1158
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1159
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1160
	    ret = putc(*(buf), f);                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1161
	    if ((ret) >= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1162
		(ret) = 1;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1163
	    } else if (ferror(f)) {                     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1164
		/* SOLARIS/SPARC (2.6) generates spurious errors with errno = 0 */ \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1165
		if (__threadErrno == EINTR || __threadErrno == 0) {     \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1166
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1167
		    clearerr(f);                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1168
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1169
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1170
	    } else                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1171
		(ret) = 0;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1172
	    break;                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1173
	}                                               \
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  1174
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1175
	for (;;) {                                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1176
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1177
	    (ret) = write(fileno(f), buf, 1);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1178
	    if ((ret) >= 0 || __threadErrno != EINTR)           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1179
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1180
	    __HANDLE_INTERRUPTS__;                      \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1181
	}                                               \
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1182
   }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1183
# endif /* use STDIO */
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  1184
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1185
/*
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1186
 * write_bytes from a c-buffer
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1187
 * (which may NOT move)
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1188
 */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1189
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1190
#  define __WRITEBYTES__(ret, f, buf, cnt, isBuffered)    \
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1191
    (ret) = 0;                                          \
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1192
    {                                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1193
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1194
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1195
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1196
	    ret = WRITE(f, (buf)+__offs, (cnt)-__offs); \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1197
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1198
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1199
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1200
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1201
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1202
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1203
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1204
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1205
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1206
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1207
	    (ret) = __offs;                             \
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  1208
   }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1209
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1210
#  define __WRITEBYTES__(ret, f, buf, cnt, isBuffered)    \
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1211
    (ret) = 0;                                          \
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1212
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1213
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1214
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1215
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1216
	    ret = fwrite((buf)+__offs, 1, (cnt)-__offs, f);\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1217
	    if ((ret) <= 0) {                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1218
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1219
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1220
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1221
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1222
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1223
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1224
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1225
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1226
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1227
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1228
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1229
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1230
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1231
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1232
	    (ret) = __offs;                             \
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1233
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1234
	int __offs = 0;                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1235
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1236
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1237
	    ret = write(fileno(f), (buf)+__offs, (cnt)-__offs);\
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1238
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1239
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1240
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1241
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1242
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1243
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1244
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1245
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1246
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1247
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1248
	    (ret) = __offs;                             \
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  1249
   }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1250
# endif /* use STDIO */
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  1251
223
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1252
/*
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1253
 * write_bytes from an object
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1254
 * (which may be moved around by GC)
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1255
 */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1256
# ifdef NO_STDIO
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1257
#  define __WRITEBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)            \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1258
  {                                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1259
    int __ooffs = obj_offs;                             \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1260
    int __offs = 0;                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1261
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1262
							\
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1263
    (ret) = 0;                                          \
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1264
    {                                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1265
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1266
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1267
	    ret = WRITE(f, (buf)+__ooffs+__offs, (cnt)-__offs);               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1268
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1269
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1270
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1271
		    /* refetch */                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1272
		    buf = (char *)(obj);                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1273
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1274
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1275
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1276
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1277
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1278
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1279
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1280
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1281
    }                                                   \
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  1282
  }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1283
# else /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1284
#  define __WRITEBYTES_OBJ__(ret, f, obj, obj_offs, cnt, isBuffered)            \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1285
  {                                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1286
    int __ooffs = obj_offs;                             \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1287
    int __offs = 0;                                     \
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1288
    char *buf = (char *)(obj);                          \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1289
							\
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1290
    (ret) = 0;                                          \
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1291
    if (isBuffered) {                                   \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1292
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1293
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1294
	    ret = fwrite((buf)+__ooffs+__offs, 1, (cnt)-__offs, f);           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1295
	    if ((ret) <= 0) {                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1296
		if (ferror(f)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1297
		    if (__threadErrno == EINTR) {               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1298
			__HANDLE_INTERRUPTS__;          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1299
			/* refetch */                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1300
			buf = (char *)(obj);            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1301
			clearerr(f);                    \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1302
			continue;                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1303
		    }                                   \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1304
		    break;                              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1305
		} else {                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1306
		    (ret) = 0;                          \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1307
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1308
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1309
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1310
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1311
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1312
	    (ret) = __offs;                             \
2961
a188727d0619 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2920
diff changeset
  1313
    } else {                                            \
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1314
	while (__offs < (cnt)) {                        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1315
	    CLEAR_ERRNO;                                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1316
	    ret = write(fileno(f), (buf)+__ooffs+__offs, (cnt)-__offs);       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1317
	    if (ret <= 0) {                             \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1318
		if (ret < 0 && __threadErrno == EINTR) {        \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1319
		    __HANDLE_INTERRUPTS__;              \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1320
		    /* refetch */                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1321
		    buf = (char *)(obj);                \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1322
		    continue;                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1323
		}                                       \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1324
		break;                                  \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1325
	    }                                           \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1326
	    __offs += (ret);                            \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1327
	}                                               \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1328
	if (__offs > 0)                                 \
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  1329
	    (ret) = __offs;                             \
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  1330
    }                                                   \
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1331
  }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1332
# endif /* use STDIO */
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  1333
#endif /* unix */
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1334
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  1335
/*
223
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1336
 * on some systems errno is a macro ... check for it here
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1337
 */
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1338
#ifndef errno
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1339
 extern errno;
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1340
#endif
3075043790b8 immediateInterr & errno cleanup
claus
parents: 216
diff changeset
  1341
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1342
%}
188
454ed0ee733e EINTR problems
claus
parents: 159
diff changeset
  1343
! !
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1344
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  1345
!ExternalStream class methodsFor:'documentation'!
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1346
88
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1347
copyright
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1348
"
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1349
 COPYRIGHT (c) 1988 by Claus Gittinger
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1350
	      All Rights Reserved
88
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1351
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1352
 This software is furnished under a license and may be used
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1353
 only in accordance with the terms of that license and with the
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1354
 inclusion of the above copyright notice.   This software may not
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1355
 be provided or otherwise made available to, or used by, any
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1356
 other person.  No title to or ownership of the software is
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1357
 hereby transferred.
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1358
"
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1359
!
81dacba7a63a *** empty log message ***
claus
parents: 85
diff changeset
  1360
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1361
documentation
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1362
"
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1363
    ExternalStream defines protocol common to Streams which have a file-descriptor and
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1364
    represent some file or communicationChannel of the underlying OperatingSystem.
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1365
    ExternalStream is abstract; concrete classes are FileStream, PipeStream etc.
77
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  1366
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1367
    ExternalStreams can be in two modes: text- (the default) and binary-mode.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1368
    In text-mode, the elements read/written are characters;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1369
    while in binary-mode the basic elements are bytes which read/write as SmallIntegers
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1370
    in the range 0..255.
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1371
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1372
    Also, the stream can be either in buffered or unbuffered mode. In buffered mode,
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1373
    data is not written until either a cr is written (in text mode) or a synchronizeOutput
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1374
    is sent (in both modes).
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1375
77
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  1376
    The underlying OperatingSystem streams may either be closed explicitely (sending a close)
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1377
    or just forgotten - in this case, the garbage collector will eventually collect the
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1378
    object AND a close will be performed automatically (but you will NOT know when this
77
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  1379
    happens - so it is recommended, that you close your files when no longer needed).
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1380
    Closing is also suggested, since if smalltalk is finished (be it by purpose, or due to
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1381
    some crash) the data will not be in the file, if unclosed.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1382
    All streams understand the close message, so it never hurts to use it (it is defined as
77
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  1383
    a noop in one of the superclasses).
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1384
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1385
    Most of the methods found here redefine inherited methods for better performance,
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1386
    since I/O from/to files should be fast.
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1387
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  1388
    Recovering a snapshot:
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1389
      not all streams can be restored to the state they had before - see the implementation of
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1390
      reOpen in subclasses for more information.
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1391
      For streams sitting on some communication channel (i.e. Pipes and Sockets) you should
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1392
      reestablish the stream upon image restart (make someone dependent on ObjectMemory).
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1393
      FileStreams are reopened and positioned to their offset they had at snapshot time.
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1394
      This may fail, if the file was removed or renamed - or lead to confusion
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1395
      if the contents changed in the meantime.
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1396
      Therefore, it is a good idea to reopen files and check for these things at restart time.
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1397
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1398
    [Instance variables:]
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1399
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1400
	filePointer     <Integer>       the unix FILE*; somehow mapped to an integer
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1401
					(notice: not the fd)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1402
					on Windows: the fileHandle
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1403
	mode            <Symbol>        #readwrite, #readonly or #writeonly
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1404
	buffered        <Boolean>       true, if buffered (i.e. collects characters - does
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1405
					not output immediately)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1406
	binary          <Boolean>       true if in binary mode (reads bytes instead of chars)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1407
	eolMode         <Symbol>        one of nil, #cr or #crlf.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1408
					determines how lines should be terminated.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1409
					nil -> newLine (as in Unix);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1410
					#crlf -> with cr-lf (as in MSDOS)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1411
					#cr -> with cr (as in VMS)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1412
	hitEOF          <Boolean>       true, if EOF was reached
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1413
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1414
	lastErrorNumber <Integer>       the value of errno (only valid right after the error -
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1415
					updated with next i/o operation)
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1416
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1417
    [Class variables:]
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1418
	Lobby           <Registry>      keeps track of used ext-streams (to free up FILE*'s)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1419
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1420
	StreamErrorSignal       <Signal> parent of all stream errors (see Stream class)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1421
	InvalidReadSignal       <Signal> raised on read from writeonly stream
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1422
	InvalidWriteSignal      <Signal> raised on write to readonly stream
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1423
	InvalidModeSignal       <Signal> raised on text I/O with binary-stream
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1424
					 or binary I/O with text-stream
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1425
	OpenErrorSignal         <Signal> raised if open fails
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1426
	StreamNotOpenSignal     <Signal> raised on I/O with non-open stream
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1427
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1428
    Additional notes:
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1429
      This class is implemented using the underlying stdio-c library package, which
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1430
      has both advantages and disadvantages: since it is portable (posix defined), porting
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1431
      ST/X to non-Unix machines is simplified. The disadvantage is that the stdio library
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1432
      has big problems handling unbounded Streams, since the EOF handling in stdio is
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1433
      not prepared for data to arrive after EOF has been reached - time will show, if we need
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1434
      a complete rewrite for UnboundedStream ...
325
claus
parents: 308
diff changeset
  1435
188
454ed0ee733e EINTR problems
claus
parents: 159
diff changeset
  1436
      Also, depending on the system, the stdio library behaves infriendly when signals
454ed0ee733e EINTR problems
claus
parents: 159
diff changeset
  1437
      occur while reading (for example, timer interrupts) - on real unixes (i.e. BSD) the signal
454ed0ee733e EINTR problems
claus
parents: 159
diff changeset
  1438
      is handled transparently - on SYS5.3 (i.e. non unixes :-) the read operation returns
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1439
      an error and errno is set to EINTR.
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1440
      Thats what the ugly code around all getc-calls is for ...
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1441
      Since things get more and more ugly - we will rewrite ExternalStream
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1442
      completely, to NOT use any stdio stuff (and do its buffering itself).
325
claus
parents: 308
diff changeset
  1443
claus
parents: 308
diff changeset
  1444
      Notice that typical stdio's use a single errno global variable to return an error code,
claus
parents: 308
diff changeset
  1445
      this was bad design in the stdio lib (right from the very beginning), since its much
claus
parents: 308
diff changeset
  1446
      harder to deal with this in the presence of lightweight processes, where errno gets
claus
parents: 308
diff changeset
  1447
      overwritten by an I/O operation done in another thread. (stdio should have been written
claus
parents: 308
diff changeset
  1448
      to return errno as a negative number ...).
claus
parents: 308
diff changeset
  1449
      To deal with this, the scheduler treats errno like a per-thread private variable,
claus
parents: 308
diff changeset
  1450
      and saves/restores the errno setting when switching to another thread.
claus
parents: 308
diff changeset
  1451
      (Notice that some thread packages do this also, but ST/X's thread implementation
claus
parents: 308
diff changeset
  1452
      does not depend on those, but instead uses a portable private package).
claus
parents: 308
diff changeset
  1453
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  1454
      Finally, if an stdio-stream is open for both reading and writing, we have to call
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  1455
      fseek whenever we are about to read after write and vice versa.
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  1456
      Two macros (__READING__ and __WRITING__) have been defined to be used before every
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  1457
      fread/fgetc and fwrite/putc respectively.
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1458
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1459
    [author:]
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1460
	Claus Gittinger
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1461
	Stefan Vogel (many, many fixes ...)
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1462
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  1463
    [see also:]
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1464
	FileStream Socket PipeStream
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1465
	Filename OperatingSystem
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1466
"
3255
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1467
!
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1468
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1469
examples
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1470
"
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1471
    open a file, read the contents and display it in a textView:
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1472
									[exBegin]
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1473
	|topView scrollPane textView fileStream text|
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1474
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1475
	topView := StandardSystemView new.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1476
	topView label:'contents of Makefile'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1477
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1478
	scrollPane := HVScrollableView in:topView.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1479
	scrollPane origin:0.0@0.0 corner:1.0@1.0.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1480
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1481
	textView := EditTextView new.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1482
	scrollPane scrolledView:textView.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1483
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1484
	fileStream := 'Makefile' asFilename readStream.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1485
	text := fileStream upToEnd.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1486
	fileStream close.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1487
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1488
	textView contents:text.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1489
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1490
	topView open.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1491
									[exEnd]
3255
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1492
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1493
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1494
    Notice, all of the above can also be done (simply) as:
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1495
									[exBegin]
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1496
	EditTextView openOn:'Makefile'
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1497
									[exEnd]
3255
eb76cba071a1 example
Claus Gittinger <cg@exept.de>
parents: 3235
diff changeset
  1498
"
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1499
! !
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  1500
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  1501
!ExternalStream class methodsFor:'initialization'!
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1502
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1503
initDefaultEOLMode
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1504
    OperatingSystem isUNIXlike ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1505
	"/ unix EOL conventions
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1506
	DefaultEOLMode := #nl
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1507
    ] ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1508
	OperatingSystem isVMSlike ifTrue:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1509
	    "/ vms EOL conventions
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1510
	    DefaultEOLMode := #cr
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1511
	] ifFalse:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1512
	    "/ msdos EOL conventions
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1513
	    DefaultEOLMode := #crlf
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1514
	]
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1515
    ]
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1516
!
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1517
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1518
initModeStrings
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1519
    "initialize modeStrings which are passed down to the underlying
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1520
     fopen/fdopen functions."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1521
3132
037027ae20fd msdos MUST use binary mode in I/O
Claus Gittinger <cg@exept.de>
parents: 3044
diff changeset
  1522
    OperatingSystem isMSDOSlike ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1523
	ReadMode := 'rb'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1524
	ReadWriteMode := 'rb+'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1525
	WriteMode := 'wb'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1526
	AppendMode := 'ab+'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1527
	CreateReadWriteMode := 'wb+'.
3132
037027ae20fd msdos MUST use binary mode in I/O
Claus Gittinger <cg@exept.de>
parents: 3044
diff changeset
  1528
    ] ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1529
	ReadMode := 'r'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1530
	ReadWriteMode := 'r+'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1531
	WriteMode := 'w'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1532
	AppendMode := 'a+'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1533
	CreateReadWriteMode := 'w+'.
3132
037027ae20fd msdos MUST use binary mode in I/O
Claus Gittinger <cg@exept.de>
parents: 3044
diff changeset
  1534
    ]
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1535
!
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1536
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1537
initialize
593
19d568779cf7 moved StreamErrorSignal into Stream;
Claus Gittinger <cg@exept.de>
parents: 583
diff changeset
  1538
    OpenErrorSignal isNil ifTrue:[
8066
0dbcbe8989b8 OpenError is now a class based exception
Claus Gittinger <cg@exept.de>
parents: 8008
diff changeset
  1539
"/        OpenErrorSignal := OpenError.
0dbcbe8989b8 OpenError is now a class based exception
Claus Gittinger <cg@exept.de>
parents: 8008
diff changeset
  1540
"/        OpenErrorSignal nameClass:self message:#openErrorSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1541
	OpenErrorSignal := OpenError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1542
	OpenErrorSignal notifierString:'open error'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1543
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1544
"/        InvalidReadSignal := ReadErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1545
"/        InvalidReadSignal nameClass:self message:#invalidReadSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1546
	InvalidReadSignal := InvalidReadError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1547
	InvalidReadSignal notifierString:'stream does not support reading'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1548
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1549
"/        InvalidWriteSignal := WriteErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1550
"/        InvalidWriteSignal nameClass:self message:#invalidWriteSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1551
	InvalidWriteSignal := InvalidWriteError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1552
	InvalidWriteSignal notifierString:'stream does not support writing'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1553
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1554
"/        InvalidModeSignal :=  StreamErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1555
"/        InvalidModeSignal nameClass:self message:#invalidModeSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1556
	InvalidModeSignal := InvalidModeError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1557
	InvalidModeSignal notifierString:'binary/text mode mismatch'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1558
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1559
"/        InvalidOperationSignal :=  StreamErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1560
"/        InvalidOperationSignal nameClass:self message:#invalidOperationSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1561
	InvalidOperationSignal := InvalidOperationError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1562
	InvalidOperationSignal notifierString:'unsupported file operation'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1563
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1564
"/        StreamNotOpenSignal := StreamErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1565
"/        StreamNotOpenSignal nameClass:self message:#streamNotOpenSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1566
	StreamNotOpenSignal := StreamNotOpenError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1567
	StreamNotOpenSignal notifierString:'stream is not open'.
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1568
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1569
"/        StreamIOErrorSignal := StreamErrorSignal newSignalMayProceed:false.
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1570
"/        StreamIOErrorSignal nameClass:self message:#streamIOErrorSignal.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1571
	StreamIOErrorSignal := StreamIOError.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1572
	StreamIOErrorSignal notifierString:'I/O error'.
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1573
    ].
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1574
31
75f2b9f78be2 *** empty log message ***
claus
parents: 25
diff changeset
  1575
    Lobby isNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1576
	Lobby := Registry new.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1577
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1578
	"want to get informed when returning from snapshot"
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1579
	ObjectMemory addDependent:self
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1580
    ].
5442
24b88d75396d only init once
Claus Gittinger <cg@exept.de>
parents: 5441
diff changeset
  1581
    DefaultEOLMode isNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1582
	self initDefaultEOLMode.
5442
24b88d75396d only init once
Claus Gittinger <cg@exept.de>
parents: 5441
diff changeset
  1583
    ].
24b88d75396d only init once
Claus Gittinger <cg@exept.de>
parents: 5441
diff changeset
  1584
    ReadMode isNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1585
	self initModeStrings.
5442
24b88d75396d only init once
Claus Gittinger <cg@exept.de>
parents: 5441
diff changeset
  1586
    ].
3474
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1587
    "Modified: / 21.5.1998 / 16:33:53 / cg"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1588
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1589
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1590
reOpenFiles
4108
8c4a45bc70eb perform reOpen of streams earlier (before doing the view-reinit)
Claus Gittinger <cg@exept.de>
parents: 4093
diff changeset
  1591
    "reopen all files (if possible) after a snapShot load.
8c4a45bc70eb perform reOpen of streams earlier (before doing the view-reinit)
Claus Gittinger <cg@exept.de>
parents: 4093
diff changeset
  1592
     This is invoked via the #earlyRestart change notification."
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1593
301
35e40a6fc72b *** empty log message ***
claus
parents: 269
diff changeset
  1594
    Lobby do:[:aFileStream |
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1595
	aFileStream reOpen
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1596
    ].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1597
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1598
1469
570ef7f8667b checkin from browser
Claus Gittinger <cg@exept.de>
parents: 1464
diff changeset
  1599
update:something with:aParameter from:changedObject
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1600
    "have to reopen files when returning from snapshot"
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1601
4108
8c4a45bc70eb perform reOpen of streams earlier (before doing the view-reinit)
Claus Gittinger <cg@exept.de>
parents: 4093
diff changeset
  1602
    something == #earlyRestart ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1603
	self reOpenFiles.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1604
	self initDefaultEOLMode
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1605
    ]
1469
570ef7f8667b checkin from browser
Claus Gittinger <cg@exept.de>
parents: 1464
diff changeset
  1606
570ef7f8667b checkin from browser
Claus Gittinger <cg@exept.de>
parents: 1464
diff changeset
  1607
    "Created: 15.6.1996 / 15:19:59 / cg"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1608
! !
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1609
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  1610
!ExternalStream class methodsFor:'instance creation'!
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1611
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1612
forFileDescriptor:aFileDescriptor mode:modeString
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1613
    "given a fileDescriptor, create an ExternalStream object
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1614
     to operate on this fd.
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1615
     The mode-argument is passed to the fdopen call.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1616
     This may be used to wrap fd's as returned by user
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1617
     primitive code, or to wrap pipe-fds into externalStreams."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1618
7002
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1619
    ^ self forFileDescriptor:aFileDescriptor mode:modeString buffered:true
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1620
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1621
    "
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1622
     the example below will probably fail (15 is a random FD):
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1623
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1624
     |s|
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1625
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1626
     s := ExternalStream forFileDescriptor:15 mode:'r'.
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1627
     s next.
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1628
    "
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1629
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1630
    "Created: 29.2.1996 / 18:05:00 / cg"
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1631
    "Modified: 29.2.1996 / 18:17:07 / cg"
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1632
!
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1633
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1634
forFileDescriptor:aFileDescriptor mode:modeString buffered:buffered
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1635
    "given a fileDescriptor, create an ExternalStream object
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1636
     to operate on this fd.
7002
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1637
     The mode-argument is passed to the fdopen call.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1638
     This may be used to wrap fd's as returned by user
7002
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1639
     primitive code, or to wrap pipe-fds into externalStreams."
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1640
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1641
    |newStream|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1642
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1643
    newStream := self basicNew.
7002
7a5d55f87cd7 make pseudoTTYs unbuffered (req'd for UNIXWARE)
penk
parents: 6812
diff changeset
  1644
    newStream text; buffered:buffered; eolMode:DefaultEOLMode; clearEOF.
3535
03890e8be43d added #makePTYPair
Claus Gittinger <cg@exept.de>
parents: 3490
diff changeset
  1645
    ^ newStream connectTo:aFileDescriptor withMode:modeString
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1646
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1647
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1648
     the example below will probably fail (15 is a random FD):
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1649
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1650
     |s|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1651
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1652
     s := ExternalStream forFileDescriptor:15 mode:'r'.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1653
     s next.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1654
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1655
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1656
    "Created: 29.2.1996 / 18:05:00 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1657
    "Modified: 29.2.1996 / 18:17:07 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1658
!
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1659
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1660
forReadWriteToFileDescriptor:aFileDescriptor
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1661
    "given a fileDescriptor, create an ExternalStream object
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1662
     to read/write from/to this fd. This may be used to wrap fd's
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1663
     as returned by user primitive code, or to wrap pipe-
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1664
     filedescriptors into externalStreams."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1665
3535
03890e8be43d added #makePTYPair
Claus Gittinger <cg@exept.de>
parents: 3490
diff changeset
  1666
    ^ (self forFileDescriptor:aFileDescriptor mode:ReadWriteMode) readwrite
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1667
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1668
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1669
     the example below will probably fail (15 is a random FD):
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1670
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1671
     |s|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1672
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1673
     s := ExternalStream forReadWriteToFileDescriptor:15.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1674
     s next.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1675
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1676
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1677
    "Created: 29.2.1996 / 18:15:08 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1678
    "Modified: 29.2.1996 / 18:16:25 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1679
!
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1680
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1681
forReadingFromFileDescriptor:aFileDescriptor
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1682
    "given a fileDescriptor, create an ExternalStream object
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1683
     to read from this fd. This may be used to wrap fd's
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1684
     as returned by user primitive code, or to wrap pipe-
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1685
     filedescriptors into externalStreams."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1686
3535
03890e8be43d added #makePTYPair
Claus Gittinger <cg@exept.de>
parents: 3490
diff changeset
  1687
    ^ (self forFileDescriptor:aFileDescriptor mode:ReadMode) readonly
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1688
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1689
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1690
     the example below will probably fail (15 is a random FD):
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1691
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1692
     |s|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1693
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1694
     s := ExternalStream forReadingFromFileDescriptor:15.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1695
     s next.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1696
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1697
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1698
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1699
     |pipe readFd writeFd rs ws|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1700
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1701
     'create OS pipe ...'.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1702
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1703
     pipe := OperatingSystem makePipe.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1704
     readFd := pipe at:1.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1705
     writeFd := pipe at:2.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1706
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1707
     'connect Smalltalk streams ...'.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1708
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1709
     rs := ExternalStream forReadingFromFileDescriptor:readFd.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1710
     ws := ExternalStream forWritingToFileDescriptor:writeFd.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1711
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1712
     'read ...'.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1713
     [
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1714
	 1 to:10 do:[:i |
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1715
	     Transcript showCR:rs nextLine
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1716
	 ].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1717
	 rs close.
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1718
     ] forkAt:7.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1719
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1720
     'write ...'.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1721
     [
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1722
	 1 to:10 do:[:i |
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1723
	     ws nextPutAll:'hello world '; nextPutAll:i printString; cr
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1724
	 ].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1725
	 ws close.
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1726
     ] fork.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1727
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1728
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1729
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1730
    "Created: 29.2.1996 / 18:14:24 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1731
    "Modified: 29.2.1996 / 18:25:02 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1732
!
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1733
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1734
forWritingToFileDescriptor:aFileDescriptor
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1735
    "given a fileDescriptor, create an ExternalStream object
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1736
     to write to this fd. This may be used to wrap fd's
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1737
     as returned by user primitive code, or to wrap pipe-
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1738
     filedescriptors into externalStreams."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1739
3535
03890e8be43d added #makePTYPair
Claus Gittinger <cg@exept.de>
parents: 3490
diff changeset
  1740
    ^ (self forFileDescriptor:aFileDescriptor mode:WriteMode) writeonly
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1741
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1742
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1743
     the example below will probably fail (15 is a random FD):
1048
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1744
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1745
     |s|
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1746
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1747
     s := ExternalStream forWritingToFileDescriptor:15.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1748
     s binary.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1749
     s nextPut:1.
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1750
    "
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1751
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1752
    "Created: 29.2.1996 / 18:14:43 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1753
    "Modified: 29.2.1996 / 18:15:54 / cg"
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1754
!
c535c5a73cba added facilities to connect to given Fd's and #makePipe
Claus Gittinger <cg@exept.de>
parents: 1044
diff changeset
  1755
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1756
new
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1757
    |newStream|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1758
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1759
    newStream := self basicNew.
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  1760
    newStream text; buffered:true; eolMode:DefaultEOLMode; clearEOF.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1761
    ^ newStream
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1762
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1763
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  1764
!ExternalStream class methodsFor:'Signal constants'!
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1765
1522
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1766
inaccessibleSignal
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1767
    "ST-80 compatibility: return openErrorSignal"
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1768
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1769
    ^ self openErrorSignal
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1770
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1771
    "Created: 2.7.1996 / 12:27:16 / stefan"
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1772
!
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  1773
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1774
invalidModeSignal
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1775
    "return the signal raised when doing text-I/O with a binary stream
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1776
     or binary-I/O with a text stream"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1777
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1778
    ^ InvalidModeError
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1779
!
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1780
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1781
invalidOperationSignal
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1782
    "return the signal raised when an unsupported or invalid
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1783
     I/O operation is attempted"
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1784
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1785
    ^ InvalidOperationError
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1786
!
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  1787
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1788
invalidReadSignal
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1789
    "return the signal raised when reading from writeonly streams"
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1790
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1791
    ^ InvalidReadError
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1792
!
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1793
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1794
invalidWriteSignal
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1795
    "return the signal raised when writing to readonly streams"
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1796
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1797
    ^ InvalidWriteError
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1798
!
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1799
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1800
openErrorSignal
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1801
    "return the signal raised when a file open failed"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1802
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1803
    ^ OpenErrorSignal
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1804
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1805
3474
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1806
streamIOErrorSignal
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1807
    "return the signal raised when an I/O error occurs.
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1808
     (for example, a device-IO-error, or reading an NFS-dir,
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1809
     which is no longer available and has been mounted soft)"
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1810
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1811
    ^ StreamIOError
3474
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1812
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1813
    "Created: / 21.5.1998 / 16:32:55 / cg"
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1814
!
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  1815
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1816
streamNotOpenSignal
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1817
    "return the signal raised on I/O with closed streams"
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1818
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  1819
    ^ StreamNotOpenError
2
claus
parents: 1
diff changeset
  1820
! !
claus
parents: 1
diff changeset
  1821
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  1822
!ExternalStream class methodsFor:'error handling'!
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1823
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1824
errorReporter
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1825
    "I know about error codes"
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1826
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1827
    ^ self
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1828
!
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1829
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1830
lastErrorNumber
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1831
    "return the errno of the last error"
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1832
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1833
    ^ LastErrorNumber
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1834
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1835
    "
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1836
     ExternalStream lastErrorNumber
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  1837
    "
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1838
!
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1839
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1840
lastErrorString
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1841
    "return a message string describing the last error"
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1842
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1843
    ^ OperatingSystem errorTextForNumber:LastErrorNumber
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1844
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1845
    "
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1846
     ExternalStream lastErrorString
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1847
    "
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1848
!
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1849
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1850
reportOn:anErrorSymbolOrNumber
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1851
    "an error occured.
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1852
     Report it via an Exception"
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1853
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1854
    anErrorSymbolOrNumber isInteger ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1855
	StreamError
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1856
	    raiseRequestWith:anErrorSymbolOrNumber
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1857
	    errorString:(' - os error:' , (OperatingSystem errorTextForNumber:anErrorSymbolOrNumber))
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1858
    ].
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1859
    (self respondsTo:anErrorSymbolOrNumber) ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1860
	self perform:anErrorSymbolOrNumber
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1861
    ] ifFalse:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1862
	StreamError
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1863
	    raiseRequestWith:anErrorSymbolOrNumber
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1864
	    errorString:(' - ' , anErrorSymbolOrNumber printString)
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1865
    ].
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  1866
    ^ false
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1867
! !
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  1868
7497
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1869
!ExternalStream class methodsFor:'obsolete'!
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1870
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1871
makePTYPair
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1872
    "obsolete since 12-07-2003"
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1873
    <resource:#obsolete>
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1874
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1875
    self obsoleteMethodWarning:'use NonPositionableExternalStream makePTYPair'.
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1876
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1877
    ^ NonPositionableExternalStream makePTYPair.
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1878
!
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1879
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1880
makePipe
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1881
    "obsolete since 12-07-2003"
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1882
    <resource:#obsolete>
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1883
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1884
    self obsoleteMethodWarning:'use NonPositionableExternalStream makePipe'.
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1885
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1886
    ^ NonPositionableExternalStream makePipe.
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1887
! !
cc29afd51151 Do not block when writing to pipes
Stefan Vogel <sv@exept.de>
parents: 7261
diff changeset
  1888
7261
f35fc9cee675 method category rename
Claus Gittinger <cg@exept.de>
parents: 7195
diff changeset
  1889
!ExternalStream methodsFor:'Compatibility-Dolphin'!
6474
92a666c5b104 dolphin compatibility
Claus Gittinger <cg@exept.de>
parents: 6461
diff changeset
  1890
92a666c5b104 dolphin compatibility
Claus Gittinger <cg@exept.de>
parents: 6461
diff changeset
  1891
beText
92a666c5b104 dolphin compatibility
Claus Gittinger <cg@exept.de>
parents: 6461
diff changeset
  1892
    self text
92a666c5b104 dolphin compatibility
Claus Gittinger <cg@exept.de>
parents: 6461
diff changeset
  1893
! !
92a666c5b104 dolphin compatibility
Claus Gittinger <cg@exept.de>
parents: 6461
diff changeset
  1894
7261
f35fc9cee675 method category rename
Claus Gittinger <cg@exept.de>
parents: 7195
diff changeset
  1895
!ExternalStream methodsFor:'Compatibility-Squeak'!
3044
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1896
3872
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1897
nextInto:aByteArrayOrString
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1898
    "read elements into the argument, whose size determines the amount
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1899
     of bytes to read. If not enough elements could be read, return
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1900
     a copy of the argument; otherwise, return the filled argument."
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1901
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1902
    |n nWanted|
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1903
4368
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1904
    nWanted := aByteArrayOrString byteSize.
3872
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1905
    n := self nextAvailableBytes:nWanted into:aByteArrayOrString startingAt:1.
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1906
    n == nWanted ifTrue:[^ aByteArrayOrString].
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1907
    ^ aByteArrayOrString copyTo:n
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1908
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1909
!
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1910
4368
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1911
readInto:aContainer startingAt:index count:nElements
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1912
    "same as #nextBytes:into:startingAt: for ByteArrays;
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1913
     for LongArrays, nelements longs are read.
3872
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1914
     Squeak compatibility."
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1915
4368
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1916
    |elementSize n|
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1917
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1918
    elementSize := aContainer class elementByteSize.
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1919
    n := self nextBytes:nElements*elementSize into:aContainer startingAt:1.
d69568f9ad95 squeak compatibility fixes
Claus Gittinger <cg@exept.de>
parents: 4161
diff changeset
  1920
    ^ n // elementSize
3872
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1921
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1922
!
cab901645d2a added #nextInto: and #readInto: for Squeak compatibility.
Claus Gittinger <cg@exept.de>
parents: 3863
diff changeset
  1923
3044
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1924
readOnly
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1925
    "Squeak compatibility: make the stream readOnly"
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1926
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1927
    mode := #readonly
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1928
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1929
    "Modified: 20.10.1997 / 19:23:04 / cg"
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1930
    "Created: 20.10.1997 / 19:23:19 / cg"
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1931
! !
a0bbac91639b *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3029
diff changeset
  1932
5187
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1933
!ExternalStream methodsFor:'Signal constants'!
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1934
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1935
invalidReadSignal
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1936
    ^ self class invalidReadSignal
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1937
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1938
    "Created: / 3.12.1998 / 15:12:06 / cg"
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1939
!
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1940
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1941
invalidWriteSignal
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1942
    ^ self class invalidWriteSignal
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1943
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1944
    "Created: / 3.12.1998 / 15:12:10 / cg"
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1945
! !
4bf3787cc63a category renamining
Claus Gittinger <cg@exept.de>
parents: 5120
diff changeset
  1946
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1947
!ExternalStream methodsFor:'accessing'!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1948
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1949
binary
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1950
    "switch to binary mode - default is text"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1951
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  1952
    binary := true
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1953
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1954
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1955
buffered:aBoolean
10
claus
parents: 5
diff changeset
  1956
    "turn buffering on or off - default is on"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1957
10
claus
parents: 5
diff changeset
  1958
    buffered := aBoolean
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1959
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1960
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1961
contents
2
claus
parents: 1
diff changeset
  1962
    "return the contents of the file from the current position up-to
claus
parents: 1
diff changeset
  1963
     the end. If the stream is in binary mode, a ByteArray containing
claus
parents: 1
diff changeset
  1964
     the byte values is returned.
claus
parents: 1
diff changeset
  1965
     In text-mode, a collection of strings, each representing one line,
claus
parents: 1
diff changeset
  1966
     is returned."
claus
parents: 1
diff changeset
  1967
claus
parents: 1
diff changeset
  1968
    |text l chunks sizes chunk byteCount cnt bytes offset|
claus
parents: 1
diff changeset
  1969
claus
parents: 1
diff changeset
  1970
    binary ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1971
	"adding to a ByteArray produces quadratic time-space
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1972
	 behavior - therefore we allocate chunks, and concatenate them
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1973
	 at the end."
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1974
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1975
	chunks := OrderedCollection new.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1976
	sizes := OrderedCollection new.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1977
	byteCount := 0.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1978
	[self atEnd] whileFalse:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1979
	    chunk := ByteArray uninitializedNew:4096.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1980
	    cnt := self nextBytes:(chunk size) into:chunk.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1981
	    cnt notNil ifTrue:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1982
		chunks add:chunk.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1983
		sizes add:cnt.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1984
		byteCount := byteCount + cnt
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1985
	    ]
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1986
	].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1987
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1988
	"now, create one big ByteArray"
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1989
	bytes := ByteArray uninitializedNew:byteCount.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1990
	offset := 1.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1991
	1 to:chunks size do:[:index |
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1992
	    chunk := chunks at:index.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  1993
	    cnt := sizes at:index.
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1994
	    bytes replaceFrom:offset to:(offset + cnt - 1) with:chunk.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1995
	    offset := offset + cnt
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1996
	].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  1997
	^ bytes
2
claus
parents: 1
diff changeset
  1998
    ].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  1999
244
9faa2da0650a Text <-> StringCollection
claus
parents: 223
diff changeset
  2000
    text := StringCollection new.
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2001
    [self atEnd] whileFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2002
	l := self nextLine.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2003
	l isNil ifTrue:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2004
	    ^ text
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2005
	].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2006
	text add:l
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2007
    ].
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2008
    ^ text
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2009
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2010
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2011
contentsOfEntireFile
3938
4e7d1880336b oops - #contentsOfEntireFile must return a byteArray if in binaryMode.
Claus Gittinger <cg@exept.de>
parents: 3906
diff changeset
  2012
    "ST-80 compatibility: return contents as a String (or byteArray, if in binary mode).
3876
a680b41a014c comment
Claus Gittinger <cg@exept.de>
parents: 3872
diff changeset
  2013
     See also #contents, which returns the lines as stringCollection for text files."
1522
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  2014
6305
53b87502fc21 Fix #contentsOfEntireFile
Stefan Vogel <sv@exept.de>
parents: 6269
diff changeset
  2015
    binary ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2016
	^ self contents.
3938
4e7d1880336b oops - #contentsOfEntireFile must return a byteArray if in binaryMode.
Claus Gittinger <cg@exept.de>
parents: 3906
diff changeset
  2017
    ].
6305
53b87502fc21 Fix #contentsOfEntireFile
Stefan Vogel <sv@exept.de>
parents: 6269
diff changeset
  2018
    ^ self upToEnd
1522
1d0b4bc2e563 ST-80 compatibility: #contentsOfEntireFile must return a String.
Stefan Vogel <sv@exept.de>
parents: 1515
diff changeset
  2019
3876
a680b41a014c comment
Claus Gittinger <cg@exept.de>
parents: 3872
diff changeset
  2020
    "Modified: / 3.7.1996 / 13:22:16 / stefan"
3938
4e7d1880336b oops - #contentsOfEntireFile must return a byteArray if in binaryMode.
Claus Gittinger <cg@exept.de>
parents: 3906
diff changeset
  2021
    "Modified: / 27.11.1998 / 16:29:43 / cg"
2
claus
parents: 1
diff changeset
  2022
!
claus
parents: 1
diff changeset
  2023
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2024
contentsSpecies
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2025
    "return the kind of object to be returned by sub-collection builders
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2026
     (such as upTo)"
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2027
5441
e88302747bbd rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5431
diff changeset
  2028
    binary == true ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2029
	^ ByteArray
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2030
    ].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2031
    ^ String
2
claus
parents: 1
diff changeset
  2032
!
claus
parents: 1
diff changeset
  2033
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2034
eolMode:aSymbolOrNil
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2035
    "specify how end-of-line (EOL) is to be marked.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2036
     The argument may be one of:
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2037
	#crlf         -> add a CR-NL, as in MSDOS
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2038
	#cr           -> add a CR, as in VMS
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2039
	#nl           -> add a NL, as in Unix
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2040
	anyOther      -> like #nl
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2041
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2042
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2043
    eolMode := aSymbolOrNil
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2044
!
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2045
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2046
fileDescriptor
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2047
    "return the fileDescriptor of the receiver -
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2048
     notice: this one returns the underlying OSs fileDescriptor -
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2049
     this may not be available on all platforms (i.e. non unix systems)."
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2050
3971
aad506cdc5d9 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 3956
diff changeset
  2051
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2052
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2053
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2054
    if ((fp = __INST(filePointer)) != nil) {
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2055
	FILEPOINTER f;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2056
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2057
	f = __FILEVal(fp);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2058
	RETURN ( __MKINT(fileno(f)) );
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2059
    }
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  2060
%}.
5852
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2061
    filePointer isNil ifTrue:[^ self errorNotOpen].
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2062
    ^ self fileDescriptorOfFile:filePointer
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2063
!
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2064
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2065
fileDescriptorOfFile:filePointer
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2066
    "for migration to rel5 only:
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2067
     return the fileDescriptor of the argument filePointer -
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2068
     notice: this one returns the underlying OSs fileDescriptor -
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2069
     this may not be available on all platforms (i.e. non unix systems)."
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2070
338c6e0cab8f rel5 migration
Claus Gittinger <cg@exept.de>
parents: 5851
diff changeset
  2071
    self primitiveFailed
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2072
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2073
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2074
filePointer
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2075
    "return the filePointer of the receiver -
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2076
     notice: for portability stdio is used; this means you will get
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2077
     a FILE * - not a fileDescriptor.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2078
     (what you really get is a corresponding integer).
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2079
     You cannot do much with the returned value
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2080
     - except passing it to a primitive, for example."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2081
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2082
    ^ filePointer
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2083
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2084
5323
f4c3a230f42f more VW compatibility
Claus Gittinger <cg@exept.de>
parents: 5204
diff changeset
  2085
lineEndCRLF
f4c3a230f42f more VW compatibility
Claus Gittinger <cg@exept.de>
parents: 5204
diff changeset
  2086
    eolMode := #crlf
f4c3a230f42f more VW compatibility
Claus Gittinger <cg@exept.de>
parents: 5204
diff changeset
  2087
!
f4c3a230f42f more VW compatibility
Claus Gittinger <cg@exept.de>
parents: 5204
diff changeset
  2088
3016
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  2089
lineEndTransparent
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  2090
    eolMode := #cr
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  2091
!
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  2092
8069
fdf460457c96 acessing: pathName added (returns nil)
Michael Beyl <mb@exept.de>
parents: 8066
diff changeset
  2093
pathName
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2094
    "answer the pathName of the stream.
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2095
     Only FileStreams know the pathName, so we return an empty string here"
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2096
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2097
    ^ ''
8069
fdf460457c96 acessing: pathName added (returns nil)
Michael Beyl <mb@exept.de>
parents: 8066
diff changeset
  2098
!
fdf460457c96 acessing: pathName added (returns nil)
Michael Beyl <mb@exept.de>
parents: 8066
diff changeset
  2099
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2100
readonly
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2101
    "set access mode to readonly"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2102
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2103
    mode := #readonly
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2104
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2105
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2106
readwrite
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2107
    "set access mode to readwrite"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2108
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2109
    mode := #readwrite
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2110
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2111
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2112
text
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2113
    "switch to text mode - default is text"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2114
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2115
    binary := false
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2116
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2117
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2118
useCRLF:aBoolean
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2119
    "turn on or off CRLF sending (instead of LF only) - default is off.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2120
     This method is provided for backward compatibility - see #eolMode:
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2121
     which offers another choice."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2122
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2123
    aBoolean ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2124
	eolMode := #crlf
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2125
    ] ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2126
	eolMode := #nl
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2127
    ].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2128
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2129
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2130
writeonly
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2131
    "set access mode to writeonly"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2132
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2133
    mode := #writeonly
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2134
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2135
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2136
!ExternalStream methodsFor:'closing'!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2137
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2138
close
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2139
    "close the stream - tell operating system"
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2140
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2141
    self isOpen ifTrue:[
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2142
	Lobby unregister:self.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2143
	self closeFile.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2144
    ]
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2145
!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2146
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2147
shutDown
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2148
    "close the stream - added for protocol compatibility with PipeStream.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2149
     see comment there"
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2150
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2151
    self isOpen ifTrue:[
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2152
	Lobby unregister:self.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2153
	self closeFile
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2154
    ]
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2155
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2156
    "Modified: 30.8.1996 / 00:39:21 / cg"
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2157
! !
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  2158
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2159
!ExternalStream methodsFor:'error handling'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2160
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2161
argumentMustBeCharacter
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2162
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2163
8209
908ba4b9543e check for written characters to be in 00..FF
Claus Gittinger <cg@exept.de>
parents: 8074
diff changeset
  2164
    "report an error, that the argument must be a character in 0..FF"
908ba4b9543e check for written characters to be in 00..FF
Claus Gittinger <cg@exept.de>
parents: 8074
diff changeset
  2165
908ba4b9543e check for written characters to be in 00..FF
Claus Gittinger <cg@exept.de>
parents: 8074
diff changeset
  2166
    ^ self error:'argument must be a single byte character'
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2167
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2168
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2169
argumentMustBeInteger
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2170
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2171
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2172
    "report an error, that the argument must be an integer"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2173
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2174
    ^ self error:'argument must be an integer'
77
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  2175
!
6c38ca59927f *** empty log message ***
claus
parents: 68
diff changeset
  2176
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2177
argumentMustBeString
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2178
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2179
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2180
    "report an error, that the argument must be a string"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2181
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2182
    ^ self error:'argument must be a string'
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2183
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2184
4526
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2185
errorAlreadyOpen
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2186
    "{ Pragma: +optSpace }"
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2187
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2188
    "report an error, that the stream is already opened"
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2189
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2190
    ^ OpenError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2191
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2192
	errorString:' - stream is already open'
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2193
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2194
    "
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2195
      self new errorAlreadyOpen
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2196
    "
4526
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2197
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2198
    "Modified: / 8.5.1999 / 20:12:30 / cg"
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2199
!
a42dc8e09586 errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents: 4468
diff changeset
  2200
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2201
errorBinary
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2202
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2203
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2204
    "report an error, that the stream is in binary mode"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2205
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2206
    ^ InvalidModeError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2207
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2208
	errorString:(self class name , ' is in binary mode')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2209
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2210
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2211
    "Modified: / 8.5.1999 / 20:12:43 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2212
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2213
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2214
errorNotBinary
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2215
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2216
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2217
    "report an error, that the stream is not in binary mode"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2218
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2219
    ^ InvalidModeError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2220
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2221
	errorString:(self class name , ' is not in binary mode')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2222
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2223
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2224
    "Modified: / 8.5.1999 / 20:12:40 / cg"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2225
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2226
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2227
errorNotBuffered
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2228
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2229
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2230
    "report an error, that the stream is not in buffered mode"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2231
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2232
    ^ StreamError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2233
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2234
	errorString:(self class name , ' is unbuffered - operation not allowed')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2235
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2236
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2237
    "Modified: / 8.5.1999 / 20:12:36 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2238
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2239
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2240
errorNotOpen
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2241
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2242
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2243
    "report an error, that the stream has not been opened"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2244
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2245
    ^ StreamNotOpenError raiseRequestWith:self  "/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2246
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2247
    "Modified: / 8.5.1999 / 20:12:33 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2248
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2249
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2250
errorReadOnly
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2251
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2252
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2253
    "report an error, that the stream is a readOnly stream"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2254
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2255
    ^ InvalidWriteSignal raiseRequestWith:self "/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2256
4468
8c67b4f973d8 raise vs. raiseRequest
Claus Gittinger <cg@exept.de>
parents: 4456
diff changeset
  2257
    "Modified: / 30.7.1999 / 17:08:19 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2258
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2259
6255
d68343dc8288 Define #errorReporter and #reportError: (ST-80 protocol)
Stefan Vogel <sv@exept.de>
parents: 6012
diff changeset
  2260
errorReporter
d68343dc8288 Define #errorReporter and #reportError: (ST-80 protocol)
Stefan Vogel <sv@exept.de>
parents: 6012
diff changeset
  2261
    "ST-80 mimicry."
d68343dc8288 Define #errorReporter and #reportError: (ST-80 protocol)
Stefan Vogel <sv@exept.de>
parents: 6012
diff changeset
  2262
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  2263
    ^ self class
6255
d68343dc8288 Define #errorReporter and #reportError: (ST-80 protocol)
Stefan Vogel <sv@exept.de>
parents: 6012
diff changeset
  2264
!
d68343dc8288 Define #errorReporter and #reportError: (ST-80 protocol)
Stefan Vogel <sv@exept.de>
parents: 6012
diff changeset
  2265
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  2266
errorUnsupportedOperation
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2267
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2268
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  2269
    "report an error, that some unsupported operation was attempted"
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  2270
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2271
    ^ InvalidOperationError raiseRequestWith:self  "/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2272
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2273
    "Modified: / 8.5.1999 / 20:12:24 / cg"
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  2274
!
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  2275
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2276
errorWriteOnly
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2277
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2278
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2279
    "report an error, that the stream is a writeOnly stream"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2280
8511
eb02df149f42 Raise proceedable exception proceedable.
Stefan Vogel <sv@exept.de>
parents: 8472
diff changeset
  2281
    ^ InvalidReadError raiseRequestWith:self  "/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2282
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2283
    "Modified: / 8.5.1999 / 20:12:20 / cg"
2
claus
parents: 1
diff changeset
  2284
!
claus
parents: 1
diff changeset
  2285
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2286
ioError
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2287
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2288
3474
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  2289
    "report an error, that some I/O error occured.
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  2290
     (for example, a device-IO-error, or reading an NFS-dir,
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  2291
     which is no longer available and has been mounted soft)"
1af4d150dab4 added extra streamIOError signal.
Claus Gittinger <cg@exept.de>
parents: 3467
diff changeset
  2292
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2293
    ^ StreamIOError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2294
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2295
	errorString:(' : ' , self lastErrorString)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2296
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2297
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2298
    "Modified: / 8.5.1999 / 20:12:16 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2299
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2300
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2301
lastErrorNumber
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2302
    "return the last error"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2303
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2304
    ^ lastErrorNumber
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2305
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2306
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2307
lastErrorString
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2308
    "return a message string describing the last error"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2309
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2310
    (lastErrorNumber isNil or:[lastErrorNumber == 0]) ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2311
	^ 'I/O error'
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2312
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2313
    ^ OperatingSystem errorTextForNumber:lastErrorNumber
2
claus
parents: 1
diff changeset
  2314
!
claus
parents: 1
diff changeset
  2315
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2316
openError
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2317
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2318
8007
adfabcb563e0 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 7887
diff changeset
  2319
    "/ for backward compatibility, use:
adfabcb563e0 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 7887
diff changeset
  2320
    "/ self class openErrorSignal isHandled ifFalse:[^ nil].
adfabcb563e0 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 7887
diff changeset
  2321
8008
e80739d6c312 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 8007
diff changeset
  2322
    "/ or even:
e80739d6c312 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 8007
diff changeset
  2323
    "/ ^ nil.
e80739d6c312 openError backWard compatibility.
Claus Gittinger <cg@exept.de>
parents: 8007
diff changeset
  2324
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2325
    "report an error, that the open failed"
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2326
    ^ OpenError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2327
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2328
	errorString:(' : ' , self lastErrorString)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2329
	"/ in:thisContext sender
3235
cc254b307159 FileStream redefines #openErrorSignal.
Stefan Vogel <sv@exept.de>
parents: 3221
diff changeset
  2330
cc254b307159 FileStream redefines #openErrorSignal.
Stefan Vogel <sv@exept.de>
parents: 3221
diff changeset
  2331
    "Modified: / 28.1.1998 / 14:37:42 / stefan"
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2332
    "Modified: / 8.5.1999 / 20:12:12 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2333
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2334
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2335
readError
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2336
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2337
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2338
    "report an error, that some read error occured"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2339
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2340
    ^ ReadError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2341
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2342
	errorString:(' : ' , self lastErrorString)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2343
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2344
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2345
    "Modified: / 8.5.1999 / 20:12:00 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2346
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2347
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2348
writeError
1119
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2349
    "{ Pragma: +optSpace }"
956d62a5656c compile seldom used methods with optSpace (is this a good idea ?)
Claus Gittinger <cg@exept.de>
parents: 1079
diff changeset
  2350
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2351
    "report an error, that some write error occured"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2352
8074
4dce05d6d0a1 class based exceptions
Claus Gittinger <cg@exept.de>
parents: 8070
diff changeset
  2353
    ^ WriteError
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2354
	raiseRequestWith:self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2355
	errorString:(' : ' , self lastErrorString)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2356
	"/ in:thisContext sender
4161
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2357
3f2758cfeff5 raise errors in thisContext (not in sender context)
Claus Gittinger <cg@exept.de>
parents: 4152
diff changeset
  2358
    "Modified: / 8.5.1999 / 20:12:09 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2359
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2360
6461
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2361
!ExternalStream methodsFor:'finalization'!
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2362
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2363
finalizationLobby
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2364
    "answer the registry used for finalization.
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2365
     ExternalStreams have their own Registry"
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2366
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2367
    ^ Lobby
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2368
!
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2369
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2370
finalize
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2371
    "some Stream has been collected - close the file if not already done"
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2372
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2373
    self closeFile
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2374
! !
f5efaff3457b Allow #registerForFinalization for classes defining their own Lobby.
Stefan Vogel <sv@exept.de>
parents: 6441
diff changeset
  2375
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2376
!ExternalStream methodsFor:'instance release'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2377
6441
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2378
executor
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2379
    "return a copy for finalization-registration;
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2380
     since all we need at finalization time is the fileDescriptor,
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2381
     a cheaper copy is possible."
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2382
2be4aa0d2991 Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents: 6305
diff changeset
  2383
    ^ self class basicNew setFilePointer:filePointer
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2384
! !
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2385
2
claus
parents: 1
diff changeset
  2386
!ExternalStream methodsFor:'line reading/writing'!
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2387
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2388
nextLine
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2389
    "read the next line (characters up to newline).
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2390
     Return a string containing those characters excluding the newline.
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2391
     If the previous-to-last character is a cr, this is also removed,
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  2392
     so its possible to read alien (i.e. ms-dos) text as well.
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2393
     The line must be shorter than 16K characters - otherwise an error is signalled."
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2394
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2395
    |line|
971
eb70f5674303 max lineLength (in nextLine) increased to 16k
Claus Gittinger <cg@exept.de>
parents: 933
diff changeset
  2396
3029
aa14768e0e6a larger lineBuffer in #nextLine
Claus Gittinger <cg@exept.de>
parents: 3016
diff changeset
  2397
%{  /* STACK:34000 */
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2398
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2399
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  2400
    int len, ret;
3029
aa14768e0e6a larger lineBuffer in #nextLine
Claus Gittinger <cg@exept.de>
parents: 3016
diff changeset
  2401
    char buffer[32*1024];
521
70533ec40482 use new MKSTRING_L if length is known (avoids a useless strlen)
Claus Gittinger <cg@exept.de>
parents: 481
diff changeset
  2402
    char *rslt, *nextPtr, *limit;
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  2403
    int fd, ch;
1068
92fdcccf12a3 alles MIST - zurueck zu 1.89 und NOCONTEXT entfernt
Claus Gittinger <cg@exept.de>
parents: 1067
diff changeset
  2404
    int _buffered;
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  2405
    OBJ fp;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2406
    int lineTooLong = 0;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2407
    int cutOff = 0;
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2408
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2409
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2410
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2411
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2412
	&& (__INST(binary) != true)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  2413
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2414
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2415
	buffer[0] = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2416
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2417
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2418
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2419
	    __READING__(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2420
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2421
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2422
	rslt = nextPtr = buffer;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2423
	limit = buffer + sizeof(buffer) - 2;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2424
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2425
	for (;;) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2426
	    __READBYTE__(ret, f, nextPtr, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2427
	    if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2428
		if (nextPtr == buffer)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2429
		    rslt = NULL;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2430
		if (ret == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2431
		    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2432
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2433
		} else {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2434
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2435
		    goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2436
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2437
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2438
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2439
	    if (*nextPtr == '\n') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2440
		cutOff = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2441
		*nextPtr = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2442
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2443
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2444
	    if (*nextPtr == '\r') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2445
		char peekChar;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2446
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2447
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2448
		 * peek ahead for a newLine ...
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2449
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2450
		__READBYTE__(ret, f, &peekChar, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2451
		if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2452
		    cutOff = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2453
		    *nextPtr = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2454
		    if (ret == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2455
			__INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2456
			break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2457
		    }
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2458
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2459
		    goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2460
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2461
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2462
		if (peekChar == '\n') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2463
		    cutOff = 2;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2464
		    *nextPtr = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2465
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2466
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2467
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2468
		__UNGETC__(peekChar, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2469
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2470
		cutOff = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2471
		*nextPtr = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2472
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2473
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2474
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2475
	    nextPtr++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2476
	    if (nextPtr >= limit) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2477
		*nextPtr = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2478
		lineTooLong = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2479
		if (@global(InfoPrinting) == true) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2480
		    fprintf(stderr, "ExtStream [warning]: line truncated in nextLine\n");
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2481
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2482
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2483
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2484
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2485
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2486
	if (rslt != NULL) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2487
	    len = nextPtr-buffer;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2488
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2489
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2490
		INT np = __intVal(__INST(position)) + len + cutOff;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2491
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2492
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  2493
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2494
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2495
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2496
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2497
	    /* remove any EOL character */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2498
	    if (len != 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2499
		if (buffer[len-1] == '\n') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2500
		    buffer[--len] = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2501
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2502
		if ((len != 0) && (buffer[len-1] == '\r')) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2503
		    buffer[--len] = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2504
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2505
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2506
	    line = __MKSTRING_L(buffer, len);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2507
	    if (! lineTooLong) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2508
		RETURN ( line );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2509
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2510
	}
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2511
    }
1478
aae07192b7d1 labels in empty statements need a semi
Claus Gittinger <cg@exept.de>
parents: 1469
diff changeset
  2512
err: ;
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2513
%}.
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2514
    line notNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2515
	"/ the line as read is longer than 32k characters (boy - what a line)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2516
	"/ The exception could be handled by reading more and returning the
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2517
	"/ concatenation in your exception handler (the receiver and the partial
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2518
	"/ line are passed as parameter)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2519
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2520
	LineTooLongErrorSignal isHandled ifTrue:[
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2521
	    ^ LineTooLongErrorSignal
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2522
		raiseRequestWith:(Array with:self with:line)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2523
		     errorString:('line too long read error')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2524
	].
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2525
	^ line , self nextLine
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2526
    ].
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  2527
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  2528
    (hitEOF == true) ifTrue:[^ self pastEndRead].
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2529
    lastErrorNumber notNil ifTrue:[^ self readError].
2
claus
parents: 1
diff changeset
  2530
    filePointer isNil ifTrue:[^ self errorNotOpen].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2531
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
5431
24ce291c71f2 migration support
Claus Gittinger <cg@exept.de>
parents: 5430
diff changeset
  2532
    (binary == true) ifTrue:[^ self errorBinary].
24ce291c71f2 migration support
Claus Gittinger <cg@exept.de>
parents: 5430
diff changeset
  2533
    ^ super nextLine
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2534
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2535
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2536
nextPutLine:aString
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2537
    "write the characters in aString and append an end-of-Line marker
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2538
     (LF, CR or CRLF - depending in the setting of eolMode)"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2539
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  2540
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2541
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  2542
    int len, cnt, len1, _buffered;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  2543
    OBJ fp;
537
dc4dad8a5ddd many ExtStream rewrites - has to be reevaluated in all platforms
Claus Gittinger <cg@exept.de>
parents: 530
diff changeset
  2544
    char *cp;
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  2545
    int o_offs;
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2546
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2547
    __INST(lastErrorNumber) = nil;
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2548
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2549
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2550
	&& (__INST(binary) != true)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2551
	&& __isString(aString)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  2552
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2553
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2554
	len = __stringSize(aString);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2555
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2556
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2557
	    __WRITING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2558
	}
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2559
#ifdef WIN32
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2560
	if ((f == stdout) || (f == stderr)) {
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2561
	    cnt = fwrite(__stringVal(aString), 1, len, f);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2562
	} else
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2563
#endif
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2564
	{
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  2565
#ifdef BUGGY
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2566
	    __WRITEBYTES__(cnt, f, __stringVal(aString), len, _buffered);
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  2567
#else
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2568
	    o_offs = (char *)__stringVal(aString)-(char *)aString;
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2569
	    __WRITEBYTES_OBJ__(cnt, f, aString, o_offs, len, _buffered);
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  2570
#endif
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2571
	}
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2572
	if (cnt == len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2573
	    OBJ mode = __INST(eolMode);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2574
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2575
	    len1 = len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2576
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2577
	    if (mode == @symbol(cr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2578
		cp = "\r"; len = 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2579
	    } else if (mode == @symbol(crlf)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2580
		cp = "\r\n"; len = 2;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2581
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2582
		cp = "\n"; len = 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2583
	    }
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2584
#ifdef WIN32
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2585
	    if ((f == stdout) || (f == stderr)) {
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2586
		cnt = fwrite(cp, 1, len, f);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2587
	    } else
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2588
#endif
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2589
	    {
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2590
		__WRITEBYTES__(cnt, f, cp, len, _buffered);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  2591
	    }
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2592
	    if (cnt > 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2593
		if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2594
		    INT np = __intVal(__INST(position)) + cnt;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2595
		    OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2596
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  2597
		    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2598
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2599
		    __INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2600
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2601
		RETURN ( self );
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2602
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2603
	}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2604
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2605
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2606
%}.
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  2607
    super nextPutLine:aString.
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2608
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2609
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2610
nextPutLinesFrom:aStream upToLineStartingWith:aStringOrNil
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  2611
    "read from aStream up to and including a line starting with aStringOrNil
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2612
     and append all lines to self.
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2613
     Can be used to copy/create large files or copy from a pipe/socket.
68
59faa75185ba *** empty log message ***
claus
parents: 54
diff changeset
  2614
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  2615
     If aStringOrNil is nil or not matched, copy preceeds to the end.
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  2616
     (this allows for example to read a Socket and transfer the data quickly
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  2617
      into a file - without creating zillions of temporary strings)"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2618
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2619
    |srcFilePointer readError line|
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2620
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  2621
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  2622
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2623
    srcFilePointer := aStream filePointer.
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  2624
    srcFilePointer isNil ifTrue:[aStream errorNotOpen. ^ self].
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2625
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2626
%{  /* STACK:2000 */
22
847106305963 *** empty log message ***
claus
parents: 12
diff changeset
  2627
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2628
#ifndef NO_STDIO
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2629
    FILEPOINTER dst;
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2630
    FILEPOINTER src;
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2631
    char *matchString;
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2632
    int matchLen = 0;
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2633
    char buffer[1024];
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2634
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2635
    __INST(lastErrorNumber) = nil;
249
claus
parents: 244
diff changeset
  2636
    if (__isSmallInteger(srcFilePointer)) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2637
	if ((aStringOrNil == nil) || __isString(aStringOrNil)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2638
	    if (aStringOrNil != nil) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2639
		matchString = (char *) __stringVal(aStringOrNil);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2640
		matchLen = __stringSize(aStringOrNil);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2641
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2642
	    dst = __FILEVal(__INST(filePointer));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2643
	    src = __FILEVal(srcFilePointer);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2644
	    __BEGIN_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2645
	    __threadErrno = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2646
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2647
	    __WRITING__(dst)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2648
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2649
	    for (;;) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2650
		if (fgets(buffer, sizeof(buffer)-1, src) == NULL) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2651
		    if (ferror(src)) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2652
			readError = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2653
			__END_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2654
			goto err;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2655
		    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2656
		    break;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2657
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2658
		if (fputs(buffer, dst) == EOF) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2659
		    if (ferror(dst)) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2660
			__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2661
			__END_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2662
			goto err;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2663
		    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2664
		    break;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2665
		}
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2666
#ifndef OLD
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2667
		if (__INST(buffered) == false) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2668
		    FFLUSH(dst);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2669
		}
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2670
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2671
		if (matchLen) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2672
		    if (strncmp(matchString, buffer, matchLen) == 0)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2673
			break;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2674
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2675
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2676
	    __END_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2677
	    __INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2678
	    RETURN (self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2679
	}
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2680
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2681
err: ;
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2682
#endif /* ! NO_STDIO */
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2683
%}.
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2684
    readError ifTrue:[
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2685
	aStream setLastErrorNumber:readError.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2686
	aStream readError.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2687
	^ self
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2688
    ].
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  2689
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  2690
    buffered ifFalse:[self errorNotBuffered. ^ self].
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2691
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2692
    "
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2693
     argument error or unimplemented; try it linewise
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2694
    "
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2695
    [aStream atEnd] whileFalse:[
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2696
	line := aStream nextLine.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2697
	line isNil ifTrue:[
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2698
	    ^ self.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2699
	].
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2700
	self nextPutLine:line.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2701
	(aStringOrNil notNil and:[line startsWith:aStringOrNil]) ifTrue:[
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2702
	    ^ self
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2703
	]
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2704
    ].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2705
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2706
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2707
peekForLineStartingWith:aString
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2708
    "read ahead for next line starting with aString;
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2709
     return the line-string if found, or nil if EOF is encountered.
7118
10b067555add *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7054
diff changeset
  2710
     If matched, do not advance position beyond that line
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2711
     i.e. nextLine will read the matched line.
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2712
     If not matched, reposition to original position for further reading."
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2713
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2714
    |firstPos lastPos line|
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2715
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2716
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2717
    filePointer isNil ifTrue:[^ self errorNotOpen].
2
claus
parents: 1
diff changeset
  2718
    binary ifTrue:[^ self errorBinary].
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  2719
    buffered ifFalse:[^ self errorNotBuffered].
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2720
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2721
%{  /* STACK: 2000 */
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2722
#ifndef NO_STDIO
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2723
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2724
    FILEPOINTER f;
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2725
    int l;
12
8e03bd717355 *** empty log message ***
claus
parents: 10
diff changeset
  2726
    char buffer[1024];
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2727
    char *cp;
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2728
    char *matchString;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2729
    int gotFirst = 0;
7883
1039acd0624b Large file support (off_t with 64 bits) for UNIX
Stefan Vogel <sv@exept.de>
parents: 7875
diff changeset
  2730
#if defined(__VMS__)
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2731
    fpos_t firstpos, lastpos;
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
  2732
#   define FTELL(__f__, __pos__)        fgetpos(__f__, &(__pos__))
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
  2733
#   define FSEEK(__f__, __pos__)        fsetpos(__f__, &(__pos__))
7883
1039acd0624b Large file support (off_t with 64 bits) for UNIX
Stefan Vogel <sv@exept.de>
parents: 7875
diff changeset
  2734
#elif defined(_LFS_LARGEFILE)
1039acd0624b Large file support (off_t with 64 bits) for UNIX
Stefan Vogel <sv@exept.de>
parents: 7875
diff changeset
  2735
    off_t firstpos, lastpos;
1039acd0624b Large file support (off_t with 64 bits) for UNIX
Stefan Vogel <sv@exept.de>
parents: 7875
diff changeset
  2736
#   define FTELL(__f__, __pos__)        __pos__ = ftello(__f__)
1039acd0624b Large file support (off_t with 64 bits) for UNIX
Stefan Vogel <sv@exept.de>
parents: 7875
diff changeset
  2737
#   define FSEEK(__f__, __pos__)        fseeko(__f__, __pos__, SEEK_SET)
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2738
#else
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2739
    long firstpos, lastpos;
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
  2740
#   define FTELL(__f__, __pos__)        __pos__ = ftell(__f__)
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
  2741
#   define FSEEK(__f__, __pos__)        fseek(__f__, __pos__, SEEK_SET)
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2742
#endif
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2743
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2744
    __INST(lastErrorNumber) = nil;
54
06dbdeeed4f9 *** empty log message ***
claus
parents: 44
diff changeset
  2745
    if (__isString(aString)) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2746
	matchString = (char *) __stringVal(aString);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2747
	l = __stringSize(aString);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2748
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2749
	f = __FILEVal(__INST(filePointer));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2750
	__READING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2751
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2752
	for (;;) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2753
	    FTELL(f, lastpos);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2754
	    if (!gotFirst) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2755
		firstpos = lastpos;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2756
		gotFirst = 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2757
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2758
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2759
	    __BEGIN_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2760
	    do {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2761
		cp = fgets(buffer, sizeof(buffer)-1, f);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2762
	    } while ((cp == NULL) && ferror(f) && (__threadErrno == EINTR) && (clearerr(f), 1));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2763
	    buffer[sizeof(buffer)-1] = '\0';
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2764
	    __END_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2765
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2766
	    if (cp == NULL) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2767
		if (ferror(f)) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2768
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2769
		    goto err;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2770
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2771
		    FSEEK(f, firstpos);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2772
		    RETURN (nil);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2773
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2774
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2775
	    if (strncmp(cp, matchString, l) == 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2776
		FSEEK(f, lastpos);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2777
		break;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2778
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2779
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2780
	/* remove EOL character */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2781
	cp = buffer;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2782
	while (*cp && (*cp != '\n') && (*cp != '\r')) cp++;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2783
	*cp = '\0';
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2784
	__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2785
	RETURN ( __MKSTRING(buffer) );
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2786
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2787
err: ;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2788
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2789
# undef FTELL
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2790
# undef FSEEK
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2791
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2792
#endif
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2793
%}.
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2794
    lastErrorNumber notNil ifTrue:[^ self readError].
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2795
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2796
    "/ try using generic code ...
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2797
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2798
    firstPos := self position.
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2799
    [self atEnd] whileFalse:[
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2800
	lastPos := self position.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2801
	line := self nextLine.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2802
	line isNil ifTrue:[
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2803
	    self position:firstPos.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2804
	    ^ nil
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2805
	].
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2806
	(line startsWith:aString) ifTrue:[
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2807
	    self position:lastPos.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2808
	    ^ line
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2809
	]
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2810
    ].
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2811
    self position:firstPos.
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2812
    ^ nil
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2813
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2814
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2815
peekForLineStartingWithAny:aCollectionOfStrings
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2816
    "read ahead for next line starting with any of aCollectionOfStrings;
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2817
     return the index in aCollection if found, nil otherwise..
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2818
     If no match, do not change position; otherwise advance right before the
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2819
     matched line so that nextLine will return this line."
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2820
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2821
    |line startPos linePos index|
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2822
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2823
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2824
    filePointer isNil ifTrue:[^ self errorNotOpen].
2
claus
parents: 1
diff changeset
  2825
    binary ifTrue:[^ self errorBinary].
claus
parents: 1
diff changeset
  2826
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2827
    startPos := self position.
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2828
    [self atEnd] whileFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2829
	linePos := self position.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2830
	line := self nextLine.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2831
	line notNil ifTrue:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2832
	    index := 1.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2833
	    aCollectionOfStrings do:[:prefix |
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2834
		(line startsWith:prefix) ifTrue:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2835
		    self position:linePos.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2836
		    ^ index
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2837
		].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2838
		index := index + 1
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2839
	    ]
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2840
	]
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2841
    ].
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2842
    self position:startPos.
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2843
    ^ nil
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2844
! !
a27a279701f8 Initial revision
claus
parents:
diff changeset
  2845
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2846
!ExternalStream methodsFor:'misc functions'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2847
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2848
async:aBoolean
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2849
    "set/clear the async attribute - if set, the availability of data on
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2850
     the receiver will trigger an ioInterrupt.
779
0e41a665038a commentary
Claus Gittinger <cg@exept.de>
parents: 730
diff changeset
  2851
     If cleared (which is the default) no special notification is made.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2852
     Notice:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2853
	not every OS supports this
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2854
	- check with OS>>supportsIOInterrupts before using"
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2855
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2856
    |fd|
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2857
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2858
    filePointer isNil ifTrue:[^ self errorNotOpen].
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2859
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2860
    OperatingSystem supportsIOInterrupts ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2861
	^ self errorUnsupportedOperation
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2862
    ].
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2863
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2864
    fd := self fileDescriptor.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2865
    aBoolean ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  2866
	^ OperatingSystem enableIOInterruptsOn:fd
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2867
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2868
    ^ OperatingSystem disableIOInterruptsOn:fd
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2869
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2870
    "Modified: 11.1.1997 / 17:50:21 / cg"
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2871
!
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2872
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2873
blocking:aBoolean
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2874
    "set/clear the blocking attribute - if set (which is the default)
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2875
     a read (using next) on the receiver will block until data is available.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2876
     If cleared, a read operation will immediately return with a value of
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2877
     nil.
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2878
     Turning off blocking is useful when reading from PipeStreams
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2879
     or Sockets, and the amount of data to be read is not known
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2880
     in advance. However, the data must then be read using #nextBytes:
8616
6014ed5c67f9 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8614
diff changeset
  2881
     methods, in order to avoid other (pastEndRead) exceptions."
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  2882
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  2883
    filePointer isNil ifTrue:[^ self errorNotOpen].
7499
53b7a86e1f0b ExternalStream>>blocking: returns previous blocking status
Stefan Vogel <sv@exept.de>
parents: 7497
diff changeset
  2884
    ^ OperatingSystem setBlocking:aBoolean on:self fileDescriptor.
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  2885
3174
668414a73de9 Typo in comment
Stefan Vogel <sv@exept.de>
parents: 3132
diff changeset
  2886
    "Modified: / 11.1.1997 / 17:48:01 / cg"
668414a73de9 Typo in comment
Stefan Vogel <sv@exept.de>
parents: 3132
diff changeset
  2887
    "Modified: / 15.1.1998 / 11:49:48 / stefan"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2888
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2889
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2890
copyToEndInto:outStream
7017
03f1bd57c001 no one cares about the signal in copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 7013
diff changeset
  2891
    "copy the data into another stream."
03f1bd57c001 no one cares about the signal in copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 7013
diff changeset
  2892
8362
e17d9ffb6fa8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8339
diff changeset
  2893
    |bufferSize|
7700
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2894
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2895
    OperatingSystem isMSDOSlike ifTrue:[
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  2896
	"/ mhmh - NT hangs, when copying bigger blocks to a network drive - why ?
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  2897
	bufferSize := 1 * 1024.
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2898
    ] ifFalse:[
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  2899
	bufferSize := 8 * 1024.
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2900
    ].
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2901
7017
03f1bd57c001 no one cares about the signal in copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 7013
diff changeset
  2902
    ^ self copyToEndInto:outStream bufferSize:bufferSize
7700
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2903
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2904
    "
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2905
     |in out|
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2906
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2907
     in := 'Makefile' asFilename readStream.
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2908
     out := Stdout.
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2909
     in copyToEndInto:out.
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2910
     in close.
767e11efc326 use sendfile if supported by OS
Claus Gittinger <cg@exept.de>
parents: 7685
diff changeset
  2911
    "
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2912
!
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  2913
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2914
create
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2915
    "create the stream
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2916
     - this must be redefined in subclass"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2917
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2918
    ^ self subclassResponsibility
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2919
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2920
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2921
ioctl:ioctlNumber
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2922
    "to provide a simple ioctl facility - an ioctl is performed
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2923
     on the underlying file; no arguments are passed."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2924
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2925
    ^ self ioctl:ioctlNumber with:nil
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2926
!
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2927
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2928
ioctl:ioctlNumber with:arg
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2929
    "to provide a simple ioctl facility - an ioctl is performed
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2930
     on the underlying file; the argument is passed as argument.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2931
     This is not used by ST/X, but provided for special situations
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2932
     - for example, to control proprietrary I/O devices.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2933
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2934
     Since the type of the argument depends on the ioctl being
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2935
     performed, different arg types are allowed here.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2936
     If the argument is nil, an ioctl without argument is performed.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2937
     If the argument is an integral number, its directly passed;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2938
     if its a kind of ByteArray (ByteArray, String or Structure),
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2939
     or external data (ExternalBytes or ExternalAddress),
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2940
     a pointer to the data is passed.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2941
     This allows performing most ioctls
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2942
     - however, it might be tricky to setup the buffer.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2943
     Be careful in what you pass - ST/X cannot validate its correctness."
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2944
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  2945
%{
2896
be30640b9012 VMS stuff
Claus Gittinger <cg@exept.de>
parents: 2875
diff changeset
  2946
#if !defined(MSDOS_LIKE)
be30640b9012 VMS stuff
Claus Gittinger <cg@exept.de>
parents: 2875
diff changeset
  2947
# if !defined(__openVMS__)
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  2948
    FILEPOINTER f;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2949
    int ret, ioNum;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2950
    OBJ fp;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2951
    INT ioArg;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2952
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2953
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  2954
    if ((fp = __INST(filePointer)) != nil) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2955
	if (__isSmallInteger(ioctlNumber)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  2956
	 && (__isSmallInteger(arg)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2957
	     || (arg == nil)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2958
	     || __isBytes(arg)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2959
	     || __isExternalBytesLike(arg)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2960
	     || __isExternalAddress(arg))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2961
	    f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2962
	    ioNum = __intVal(ioctlNumber);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2963
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2964
	    __BEGIN_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2965
	    do {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2966
		__threadErrno = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2967
		if (arg == nil) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2968
		    ioArg = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2969
		} else if (__isSmallInteger(arg)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2970
		    ioArg = __intVal(arg);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2971
		} else if (__isExternalBytesLike(arg)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2972
		    ioArg = (INT)(__externalBytesAddress(arg));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2973
		} else if (__isExternalAddress(arg)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2974
		    ioArg = (INT)(__externalAddressVal(arg));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2975
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2976
		    ioArg = (INT)(__ByteArrayInstPtr(arg)->ba_element);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2977
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2978
		ret = ioctl(fileno(f), ioNum, ioArg);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2979
	    } while ((ret < 0) && (__threadErrno == EINTR));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2980
	    __END_INTERRUPTABLE__
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2981
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2982
	    if (ret >= 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2983
		RETURN ( __mkSmallInteger(ret) );
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2984
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2985
	    __INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  2986
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  2987
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2988
    }
2896
be30640b9012 VMS stuff
Claus Gittinger <cg@exept.de>
parents: 2875
diff changeset
  2989
# endif
791
b1c153b1c719 WIN32 has no ioctl
Claus Gittinger <cg@exept.de>
parents: 779
diff changeset
  2990
#endif
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2991
%}.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2992
    lastErrorNumber notNil ifTrue:[^ self ioError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2993
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2994
    "
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2995
     argument is not an integer
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2996
    "
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2997
    (ioctlNumber isMemberOf:SmallInteger) ifFalse:[^ self primitiveFailed].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  2998
    "
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  2999
     the system does not support ioctl (MSDOS or VMS)
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3000
    "
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  3001
    ^ self errorUnsupportedOperation
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3002
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3003
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3004
reset
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3005
    "set the read position to the beginning of the collection"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3006
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  3007
    self position:ZeroPosition
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3008
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3009
1044
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3010
setToEnd
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3011
    "redefined since it must be implemented differently"
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3012
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3013
    ^ self subclassResponsibility
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3014
!
c2fb3818e097 ExtSTream>>next: did not work correct if interrupted.
Stefan Vogel <sv@exept.de>
parents: 971
diff changeset
  3015
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3016
truncateTo:newSize
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3017
    "truncate the underlying OS file to newSize.
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3018
     Warning: this may not be implemented on all platforms."
1066
cffbbdea7e01 care for GC while being interruptable
Claus Gittinger <cg@exept.de>
parents: 1048
diff changeset
  3019
1068
92fdcccf12a3 alles MIST - zurueck zu 1.89 und NOCONTEXT entfernt
Claus Gittinger <cg@exept.de>
parents: 1067
diff changeset
  3020
%{
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3021
#ifdef HAS_FTRUNCATE
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3022
    FILEPOINTER f;
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3023
    OBJ fp;
7887
c5df7cf8d667 LargeFile support for truncateTo:
Stefan Vogel <sv@exept.de>
parents: 7883
diff changeset
  3024
    off_t truncateSize;
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3025
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3026
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3027
	&& (__INST(mode) != @symbol(readonly))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3028
	if (__isSmallInteger(newSize)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3029
	    truncateSize = __intVal(newSize);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3030
	    if (truncateSize < 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3031
		goto getOutOfHere;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3032
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3033
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3034
	    truncateSize = __signedLongIntVal(newSize);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3035
	    if (truncateSize < 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3036
		goto getOutOfHere;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3037
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3038
	    if (truncateSize == 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3039
		if (sizeof(truncateSize) == 8) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3040
		    if (__signedLong64IntVal(newSize, &truncateSize) == 0 || truncateSize < 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3041
			goto getOutOfHere;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3042
		    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3043
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3044
		    goto getOutOfHere;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3045
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3046
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3047
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3048
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3049
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3050
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3051
	if (__INST(buffered) == true) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3052
	    __READING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3053
	    FFLUSH(f);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3054
	    OPT_FSEEK(f, 0L, SEEK_END); /* needed in stdio */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3055
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3056
	ftruncate(fileno(f), truncateSize);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3057
	RETURN (self);
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3058
    }
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3059
getOutOfHere: ;
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3060
#endif
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3061
%}.
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  3062
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  3063
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
7887
c5df7cf8d667 LargeFile support for truncateTo:
Stefan Vogel <sv@exept.de>
parents: 7883
diff changeset
  3064
    newSize < 0 ifTrue:[
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3065
	self error:'wrong arg'.
7887
c5df7cf8d667 LargeFile support for truncateTo:
Stefan Vogel <sv@exept.de>
parents: 7883
diff changeset
  3066
    ].
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  3067
    self errorUnsupportedOperation
932
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3068
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3069
    "
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3070
     |s|
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3071
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3072
     s := 'test' asFilename writeStream.
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3073
     s next:1000 put:$a.
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3074
     s truncateTo:100.
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3075
     s close.
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3076
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3077
     ('test' asFilename fileSize) printNL
f57ec42ceb44 added interface to truncate & ftruncate (req. by Mr. Olberding)
Claus Gittinger <cg@exept.de>
parents: 872
diff changeset
  3078
    "
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3079
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3080
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3081
!ExternalStream methodsFor:'non homogenous reading'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3082
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3083
nextAvailable:count
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3084
    "return the next count elements of the stream as aCollection.
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3085
     If the stream reaches the end before count elements have been read,
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3086
     return what is available. (i.e. a shorter collection).
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3087
     The type of collection is specified in #contentsSpecies."
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3088
3956
51f1a9a4d63f changes for egcs (stdio uses __new / utsname)
Claus Gittinger <cg@exept.de>
parents: 3949
diff changeset
  3089
    |buffer n|
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3090
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3091
    binary ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3092
	buffer := ByteArray uninitializedNew:count
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3093
    ] ifFalse:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3094
	buffer := String uninitializedNew:count
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3095
    ].
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3096
    n := self nextAvailableBytes:count into:buffer startingAt:1.
5202
e8130049b18f #nextAvailableBytes:into:startingAt: may NOT set EOF flag,
Claus Gittinger <cg@exept.de>
parents: 5187
diff changeset
  3097
    n == 0 ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3098
	binary ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3099
	    ^ #[]
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3100
	].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3101
	^ ''
5202
e8130049b18f #nextAvailableBytes:into:startingAt: may NOT set EOF flag,
Claus Gittinger <cg@exept.de>
parents: 5187
diff changeset
  3102
    ].
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3103
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3104
    n ~~ count ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  3105
	^ buffer copyTo:n
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3106
    ].
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3107
    ^ buffer.
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3108
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3109
    "
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3110
     (ReadStream on:#(1 2 3 4 5)) nextAvailable:3
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3111
     (ReadStream on:#(1 2 3 4 5)) nextAvailable:10
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3112
     (ReadStream on:'hello') nextAvailable:3
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3113
     (ReadStream on:'hello') nextAvailable:10
3674
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3114
    "
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3115
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3116
    "Modified: / 16.6.1998 / 15:52:41 / cg"
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3117
!
c51550d1df17 added #nextAvailable:
Claus Gittinger <cg@exept.de>
parents: 3672
diff changeset
  3118
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3119
nextAvailableBytes:count into:anObject startingAt:start
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3120
    "read the next count bytes into an object and return the number of
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3121
     bytes read or the number of bytes read, if EOF is encountered before,
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3122
     or no more bytes are available for reading (from the pipe/socket).
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3123
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3124
     If the receiver is some socket/pipe-like stream, an exception
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3125
     is raised if the connection is broken.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3126
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3127
     Notice, that in contrast to other methods,
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3128
     this does NOT return nil on EOF, but the actual count.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3129
     Thus allowing read of partial blocks.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3130
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3131
     The object must have non-pointer indexed instvars
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3132
     (i.e. it must be a ByteArray, String, Float- or DoubleArray).
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3133
     If anObject is a string or byteArray and reused, this provides the
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3134
     fastest possible physical I/O (since no new objects are allocated).
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3135
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3136
     Use with care - non object oriented I/O.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3137
     Warning: in general, you cannot use this method to pass data from other
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3138
     architectures since it does not care for byte order or float representation."
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3139
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3140
%{
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3141
    FILEPOINTER f;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3142
    int cnt, offs, ret, _buffered;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3143
    int objSize, nInstVars, nInstBytes;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3144
    char *cp;
3445
2639c1e3fd0b nextAvail also for externalBytes
Claus Gittinger <cg@exept.de>
parents: 3432
diff changeset
  3145
    char *extPtr;
7195
755c46f9b774 also handle subclasses of ExternalBytes (Mapped..)
Claus Gittinger <cg@exept.de>
parents: 7118
diff changeset
  3146
    OBJ fp;
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3147
    int o_offs;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3148
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3149
    __INST(lastErrorNumber) = nil;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3150
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3151
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3152
	&& __bothSmallInteger(count, start)
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3153
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3154
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3155
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3156
	cnt = __intVal(count);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3157
	offs = __intVal(start) - 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3158
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3159
	if (__isExternalBytesLike(anObject)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3160
	    OBJ sz;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3161
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3162
	    nInstBytes = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3163
	    extPtr = (char *)(__externalBytesAddress(anObject));
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3164
	    sz = __externalBytesSize(anObject);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3165
	    if (__isSmallInteger(sz)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3166
		objSize = __intVal(sz);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3167
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3168
		objSize = 0; /* unknown */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3169
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3170
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3171
	    OBJ oClass;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3172
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3173
	    oClass = __Class(anObject);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3174
	    switch (__intVal(__ClassInstPtr(oClass)->c_flags) & ARRAYMASK) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3175
		case BYTEARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3176
		case WORDARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3177
		case LONGARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3178
		case SWORDARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3179
		case SLONGARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3180
		case FLOATARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3181
		case DOUBLEARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3182
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3183
		default:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3184
		    goto bad;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3185
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3186
	    extPtr = (char *)0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3187
	    nInstVars = __intVal(__ClassInstPtr(oClass)->c_ninstvars);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3188
	    nInstBytes = OHDR_SIZE + __OBJS2BYTES__(nInstVars);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3189
	    objSize = __Size(anObject) - nInstBytes;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3190
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3191
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3192
	if ((offs >= 0) && (cnt >= 0) && (objSize >= (cnt + offs))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3193
	    _buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3194
	    if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3195
		__READING__(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3196
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3197
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3198
	    if (extPtr) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3199
		__READAVAILBYTES__(ret, f, extPtr+offs, cnt, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3200
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3201
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3202
		 * on interrupt, anObject may be moved to another location.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3203
		 * So we pass (char *)__InstPtr(anObject) + nInstBytes + offs to the macro __READ_BYTES__,
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3204
		 * to get a new address.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3205
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3206
		offs += nInstBytes;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3207
		__READAVAILBYTES_OBJ__(ret, f, anObject, offs, cnt, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3208
	    }
5202
e8130049b18f #nextAvailableBytes:into:startingAt: may NOT set EOF flag,
Claus Gittinger <cg@exept.de>
parents: 5187
diff changeset
  3209
#ifdef PRE_22_jan_2000
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3210
	    if (ret > 0)
5202
e8130049b18f #nextAvailableBytes:into:startingAt: may NOT set EOF flag,
Claus Gittinger <cg@exept.de>
parents: 5187
diff changeset
  3211
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3212
	    /* 0 is NOT an EOF condition here ... */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3213
	    if (ret >= 0)
5202
e8130049b18f #nextAvailableBytes:into:startingAt: may NOT set EOF flag,
Claus Gittinger <cg@exept.de>
parents: 5187
diff changeset
  3214
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3215
	    {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3216
		if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3217
		    INT np = __intVal(__INST(position)) + ret;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3218
		    OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3219
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3220
		    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3221
		} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3222
		    __INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3223
		}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3224
		RETURN (__mkSmallInteger(ret));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3225
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3226
#ifdef PRE_22_jan_2000
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3227
	    if (ret == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3228
		__INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3229
	    } else /* ret < 0 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3230
#endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3231
	    {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3232
		__INST(position) = nil;
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3233
		__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3234
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3235
	}
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3236
    }
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3237
bad: ;
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3238
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3239
    (hitEOF and:[self pastEndRead isNil]) ifTrue:[^ 0].
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3240
    lastErrorNumber notNil ifTrue:[^ self readError].
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3241
    filePointer isNil ifTrue:[^ self errorNotOpen].
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3242
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3243
    "
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3244
     count not integer or arg not bit-like (String, ByteArray etc)
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3245
    "
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3246
    ^ self primitiveFailed
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3247
!
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3248
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3249
nextByte
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3250
    "read the next byte and return it as an Integer; return nil on error.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3251
     This is allowed in both text and binary modes, always returning the
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3252
     bytes binary value as an integer in 0..255."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3253
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3254
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3255
    FILEPOINTER f;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3256
    unsigned char byte;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3257
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3258
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3259
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3260
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3261
    if (((fp = __INST(filePointer)) != nil)
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3262
     && (__INST(mode) != @symbol(writeonly))) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3263
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3264
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3265
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3266
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3267
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3268
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3269
	__READBYTE__(ret, f, &byte, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3270
	if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3271
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3272
		INT np = __intVal(__INST(position)) + 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3273
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3274
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3275
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3276
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3277
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3278
	    }
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3279
	    RETURN (__mkSmallInteger(byte));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3280
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3281
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3282
	if (ret == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3283
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3284
	} else /* ret < 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3285
	    __INST(position) = nil;
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3286
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3287
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3288
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3289
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3290
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3291
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3292
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3293
    ^ self errorWriteOnly
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3294
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3295
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3296
nextBytes:count into:anObject startingAt:start
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3297
    "read the next count bytes into an object and return the number of
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  3298
     bytes read or the number of bytes read, if EOF is encountered before.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3299
     If the receiver is some socket/pipe-like stream, an exception
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3300
     is raised if the connection is broken.
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  3301
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3302
     Warning: if used with a pipe/socket, this blocks until the requested number
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3303
     of bytes have been read. See #nextAvailableBytes:into:startingAt:
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3304
     to only read whats there.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  3305
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  3306
     Notice, that in contrast to other methods,
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  3307
     this does NOT return nil on EOF, but the actual count.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3308
     Thus allowing read of partial blocks.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3309
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3310
     The object must have non-pointer indexed instvars
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3311
     (i.e. it must be a ByteArray, String, Float- or DoubleArray),
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3312
     or an externalBytes object (with known size).
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3313
     If anObject is a string or byteArray and reused, this provides the
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3314
     fastest possible physical I/O (since no new objects are allocated).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3315
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3316
     Use with care - non object oriented I/O.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3317
     Warning: in general, you cannot use this method to pass data from other
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3318
     architectures (unless you prepared the buffer with care),
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3319
     since it does not care for byte order or float representation."
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3320
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3321
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3322
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3323
    int cnt, offs, ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3324
    int objSize, nInstVars, nInstBytes;
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3325
    char *extPtr;
7195
755c46f9b774 also handle subclasses of ExternalBytes (Mapped..)
Claus Gittinger <cg@exept.de>
parents: 7118
diff changeset
  3326
    OBJ fp;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3327
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3328
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3329
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3330
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3331
	&& __bothSmallInteger(count, start)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3332
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3333
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3334
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3335
	cnt = __intVal(count);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3336
	offs = __intVal(start) - 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3337
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3338
	if (__isExternalBytesLike(anObject)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3339
	    OBJ sz;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3340
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3341
	    nInstBytes = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3342
	    extPtr = (char *)(__externalBytesAddress(anObject));
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3343
	    sz = __externalBytesSize(anObject);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3344
	    if (__isSmallInteger(sz)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3345
		objSize = __intVal(sz);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3346
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3347
		objSize = 0; /* unknown */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3348
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3349
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3350
	    OBJ oClass;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3351
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3352
	    oClass = __Class(anObject);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3353
	    switch (__intVal(__ClassInstPtr(oClass)->c_flags) & ARRAYMASK) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3354
		case BYTEARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3355
		case WORDARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3356
		case LONGARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3357
		case SWORDARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3358
		case SLONGARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3359
		case FLOATARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3360
		case DOUBLEARRAY:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3361
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3362
		default:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3363
		    goto bad;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3364
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3365
	    extPtr = (char *)0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3366
	    nInstVars = __intVal(__ClassInstPtr(oClass)->c_ninstvars);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3367
	    nInstBytes = OHDR_SIZE + __OBJS2BYTES__(nInstVars);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3368
	    objSize = __Size(anObject) - nInstBytes;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3369
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3370
	if ((offs >= 0) && (cnt >= 0) && (objSize >= (cnt + offs))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3371
	    _buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3372
	    if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3373
		__READING__(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3374
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3375
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3376
	    if (extPtr) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3377
		__READBYTES__(ret, f, extPtr+offs, cnt, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3378
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3379
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3380
		 * on interrupt, anObject may be moved to another location.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3381
		 * So we pass anObject, and the offset to the __READBYTES_OBJ__ macro.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3382
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3383
		offs += nInstBytes;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3384
		__READBYTES_OBJ__(ret, f, anObject, offs, cnt, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3385
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3386
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3387
	    if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3388
		if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3389
		    INT np = __intVal(__INST(position)) + ret;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3390
		    OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3391
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3392
		    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3393
		} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3394
		    __INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3395
		}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3396
		RETURN (__mkSmallInteger(ret));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3397
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3398
	    if (ret == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3399
		__INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3400
	    } else /* ret < 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3401
		__INST(position) = nil;
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3402
		__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3403
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3404
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3405
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3406
bad: ;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3407
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3408
    (hitEOF and:[self pastEndRead isNil]) ifTrue:[^ 0].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3409
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3410
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3411
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3412
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3413
     count not integer or arg not bit-like (String, ByteArray etc)
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3414
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3415
    ^ self primitiveFailed
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  3416
!
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  3417
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3418
nextLong
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3419
    "Read four bytes (msb-first) and return the value as a 32-bit signed Integer.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3420
     The returned value may be a LargeInteger.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3421
     (msb-first for compatibility with other smalltalks)"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3422
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3423
    ^ self nextUnsignedLongMSB:true
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3424
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3425
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3426
nextLongMSB:msbFlag
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3427
    "Read four bytes and return the value as a 32-bit signed Integer,
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3428
     which may be a LargeInteger.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3429
     If msbFlag is true, value is read with most-significant byte first,
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3430
     otherwise least-significant byte comes first.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3431
     A nil is returned, if EOF is hit before all 4 bytes have been read.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3432
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3433
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3434
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3435
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3436
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3437
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3438
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3439
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3440
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3441
	FILEPOINTER f;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3442
	int ret, _buffered;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3443
	int value;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3444
	union {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3445
	    unsigned char buffer[4];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3446
	    int intVal;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3447
	} u;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3448
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3449
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3450
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3451
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3452
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3453
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3454
	__READBYTES__(ret, f, u.buffer, 4, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3455
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3456
	if (ret == 4) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3457
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3458
		INT np = __intVal(__INST(position)) + 4;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3459
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3460
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3461
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3462
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3463
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3464
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3465
	    if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3466
#if defined(__MSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3467
		value = u.intVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3468
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3469
		value = (u.buffer[0] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3470
		value = (value << 8) | (u.buffer[1] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3471
		value = (value << 8) | (u.buffer[2] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3472
		value = (value << 8) | (u.buffer[3] & 0xFF);
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3473
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3474
	    } else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3475
#if defined(__LSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3476
		value = u.intVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3477
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3478
		value = (u.buffer[3] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3479
		value = (value << 8) | (u.buffer[2] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3480
		value = (value << 8) | (u.buffer[1] & 0xFF);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3481
		value = (value << 8) | (u.buffer[0] & 0xFF);
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3482
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3483
	    }
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3484
#if __POINTER_SIZE__ == 8
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3485
	    RETURN ( __mkSmallInteger(value));
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3486
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3487
	    if ((value >= _MIN_INT) && (value <= _MAX_INT)) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3488
		RETURN ( __mkSmallInteger(value));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3489
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3490
	    RETURN ( __MKLARGEINT(value) );
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3491
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3492
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3493
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3494
	if (ret < 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3495
	    __INST(position) = nil;
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3496
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3497
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3498
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3499
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3500
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3501
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3502
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3503
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3504
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3505
    ^ self readError.
362
claus
parents: 360
diff changeset
  3506
!
claus
parents: 360
diff changeset
  3507
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3508
nextShortMSB:msbFlag
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3509
    "Read two bytes and return the value as a 16-bit signed Integer.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3510
     If msbFlag is true, value is read with most-significant byte first,
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3511
     otherwise least-significant byte comes first.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3512
     A nil is returned if EOF is reached (also when EOF is hit after the first byte).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3513
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3514
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3515
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3516
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3517
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3518
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3519
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3520
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3521
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3522
	FILEPOINTER f;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3523
	int ret, _buffered;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3524
	short value;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3525
	union {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3526
	    unsigned char buffer[2];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3527
	    short shortVal;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3528
	} u;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3529
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3530
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3531
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3532
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3533
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3534
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3535
	__READBYTES__(ret, f, u.buffer, 2, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3536
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3537
	if (ret == 2) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3538
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3539
		INT np = __intVal(__INST(position)) + 2;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3540
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3541
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3542
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3543
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3544
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3545
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3546
	    if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3547
#if defined(__MSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3548
		value = u.shortVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3549
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3550
		value = ((u.buffer[0] & 0xFF) << 8) | (u.buffer[1] & 0xFF);
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3551
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3552
	    } else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3553
#if defined(__LSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3554
		value = u.shortVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3555
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3556
		value = ((u.buffer[1] & 0xFF) << 8) | (u.buffer[0] & 0xFF);
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3557
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3558
	    }
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3559
	    RETURN (__mkSmallInteger(value));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3560
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3561
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3562
	if (ret < 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3563
	    __INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3564
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3565
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3566
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3567
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3568
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3569
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3570
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3571
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3572
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3573
    ^ self readError.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3574
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3575
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3576
nextUnsignedLongMSB:msbFlag
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3577
    "Read four bytes and return the value as a 32-bit unsigned Integer, which may be
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3578
     a LargeInteger.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3579
     If msbFlag is true, value is read with most-significant byte first, otherwise
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3580
     least-significant byte comes first.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3581
     A nil is returned, if endOfFile occurs before all 4 bytes have been read.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3582
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3583
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3584
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3585
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3586
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3587
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3588
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3589
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3590
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3591
	FILEPOINTER f;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3592
	int ret, _buffered;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3593
	unsigned INT value;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3594
	union {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3595
	    unsigned char buffer[4];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3596
	    unsigned int intVal;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3597
	} u;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3598
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3599
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3600
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3601
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3602
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3603
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3604
	__READBYTES__(ret, f, u.buffer, 4, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3605
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3606
	if (ret == 4) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3607
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3608
		INT np = __intVal(__INST(position)) + 4;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3609
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3610
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3611
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3612
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3613
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3614
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3615
	    if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3616
#if defined(__MSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3617
		value = u.intVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3618
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3619
		value = u.buffer[0];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3620
		value = (value << 8) | u.buffer[1];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3621
		value = (value << 8) | u.buffer[2];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3622
		value = (value << 8) | u.buffer[3];
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3623
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3624
	    } else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3625
#if defined(__LSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3626
		value = u.intVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3627
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3628
		value = u.buffer[3];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3629
		value = (value << 8) | u.buffer[2];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3630
		value = (value << 8) | u.buffer[1];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3631
		value = (value << 8) | u.buffer[0];
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3632
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3633
	    }
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3634
#if __POINTER_SIZE__ == 8
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3635
	    value &= 0xFFFFFFFF;
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3636
	    RETURN (__mkSmallInteger(value));
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3637
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3638
	    if (value <= _MAX_INT) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3639
		RETURN (__mkSmallInteger(value));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3640
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3641
	    RETURN (__MKULARGEINT(value) );
3456
0cdf451360b9 oops - nextUnsignedLong:MSB: on alpha.
Claus Gittinger <cg@exept.de>
parents: 3445
diff changeset
  3642
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3643
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3644
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3645
	if (ret < 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3646
	    __INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3647
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3648
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3649
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3650
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3651
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3652
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3653
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3654
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3655
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3656
    ^ self readError.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3657
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3658
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3659
nextUnsignedShortMSB:msbFlag
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3660
    "Read two bytes and return the value as a 16-bit unsigned Integer.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3661
     If msbFlag is true, value is read with most-significant byte first,
1079
d47cd86b487b Make methods signal-proof.
Stefan Vogel <sv@exept.de>
parents: 1068
diff changeset
  3662
     otherwise least-significant byte comes first.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3663
     A nil is returned if EOF is reached (also when EOF is hit after the first byte).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3664
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3665
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3666
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3667
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3668
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3669
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3670
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3671
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3672
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3673
	FILEPOINTER f;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3674
	int ret, _buffered;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3675
	unsigned int value;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3676
	union {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3677
	    unsigned char buffer[2];
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3678
	    unsigned short shortVal;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3679
	} u;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3680
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3681
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3682
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3683
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3684
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3685
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3686
	__READBYTES__(ret, f, u.buffer, 2, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3687
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3688
	if (ret == 2) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3689
	    if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3690
		INT np = __intVal(__INST(position)) + 2;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3691
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3692
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3693
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3694
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3695
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3696
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3697
	    if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3698
#if defined(__MSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3699
		value = u.shortVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3700
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3701
		value = (u.buffer[0] << 8) | u.buffer[1];
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3702
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3703
	    } else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3704
#if defined(__LSBFIRST__)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3705
		value = u.shortVal;
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3706
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3707
		value = (u.buffer[1] << 8) | u.buffer[0];
4383
7a5abc09fb39 slightly tuned nextXXXLongMSB: and nextUnsignedXXXMSB:
Claus Gittinger <cg@exept.de>
parents: 4368
diff changeset
  3708
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3709
	    }
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3710
	    RETURN (__mkSmallInteger(value));
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3711
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3712
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3713
	if (ret < 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3714
	    __INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3715
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3716
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3717
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3718
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3719
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3720
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  3721
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3722
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3723
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3724
    ^ self readError.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3725
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3726
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3727
nextWord
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3728
    "in text-mode:
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  3729
	 read the alphaNumeric next word (i.e. up to non letter-or-digit).
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  3730
	 return a string containing those characters.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3731
     in binary-mode:
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3732
	 read two bytes (msb-first) and return the value as a 16-bit
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  3733
	 unsigned Integer (for compatibility with other smalltalks)"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3734
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3735
    binary ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  3736
	^ self nextUnsignedShortMSB:true
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  3737
    ].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3738
    ^ self nextAlphaNumericWord
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3739
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3740
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3741
!ExternalStream methodsFor:'non homogenous writing'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3742
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3743
nextPutByte:aByteValue
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3744
    "write a byte.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3745
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3746
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3747
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3748
    FILEPOINTER f;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3749
    char c;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  3750
    OBJ fp;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3751
    int cnt, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3752
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3753
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3754
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3755
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3756
	&& __isSmallInteger(aByteValue)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3757
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3758
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3759
	c = __intVal(aByteValue);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3760
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3761
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3762
	    __WRITING__(f)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3763
	}
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3764
#ifdef WIN32
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3765
	if ((f == stdout) || (f == stderr)) {
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3766
	    cnt = fwrite(&c, 1, 1, f);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3767
	} else
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3768
#endif
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3769
	{
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3770
	    __WRITEBYTE__(cnt, f, &c, _buffered);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  3771
	}
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3772
	if (cnt == 1) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3773
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3774
		INT np = __intVal(__INST(position)) + 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3775
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3776
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3777
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3778
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3779
		__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3780
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3781
	    RETURN (self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3782
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3783
	if (cnt < 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3784
	    __INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3785
	}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3786
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3787
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3788
%}.
7801
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  3789
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  3790
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  3791
    self writeError.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3792
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3793
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3794
nextPutBytes:count from:anObject startingAt:start
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3795
    "write count bytes from an object starting at index start.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3796
     return the number of bytes written - which could be 0.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3797
     The object must have non-pointer indexed instvars
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3798
     (i.e. be a ByteArray, String, Float- or DoubleArray),
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3799
     or an externalBytes object (with known size).
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3800
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3801
     Use with care - non object oriented i/o.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3802
     Warning:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3803
	in general, you cannot use this method to pass non-byte data to other
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3804
	architectures (unless you prepared the buffer with care),
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3805
	since it does not care for byte order or float representation."
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3806
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3807
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3808
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3809
    int cnt, len, offs, ret;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3810
    int objSize, nInstVars, nInstBytes, _buffered;
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  3811
    char *extPtr;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  3812
    OBJ fp;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3813
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3814
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3815
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3816
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3817
	&& __bothSmallInteger(count, start)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3818
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3819
	len = __intVal(count);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3820
	offs = __intVal(start) - 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3821
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3822
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3823
	if (__isExternalBytesLike(anObject)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3824
	    OBJ sz;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3825
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3826
	    nInstBytes = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3827
	    extPtr = (char *)__externalBytesAddress(anObject);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3828
	    sz = __externalBytesSize(anObject);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3829
	    if (__isSmallInteger(sz)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3830
		objSize = __intVal(sz);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3831
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3832
		objSize = 0; /* unknown */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3833
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3834
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3835
	    OBJ oClass;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3836
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3837
	    oClass = __Class(anObject);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3838
	    switch (__intVal(__ClassInstPtr(oClass)->c_flags) & ARRAYMASK) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3839
		case BYTEARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3840
		case WORDARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3841
		case LONGARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3842
		case SWORDARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3843
		case SLONGARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3844
		case FLOATARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3845
		case DOUBLEARRAY:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3846
		    break;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3847
		default:
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3848
		    goto bad;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3849
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3850
	    extPtr = (char *)0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3851
	    nInstVars = __intVal(__ClassInstPtr(oClass)->c_ninstvars);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3852
	    nInstBytes = OHDR_SIZE + __OBJS2BYTES__(nInstVars);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3853
	    objSize = __Size(anObject) - nInstBytes;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3854
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3855
	if ( (offs >= 0) && (len >= 0) && (objSize >= (len + offs)) ) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3856
	    if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3857
		__WRITING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3858
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3859
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3860
	    if (extPtr) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3861
		__WRITEBYTES__(cnt, f, extPtr+offs, len, _buffered);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3862
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3863
		/*
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3864
		 * on interrupt, anObject may be moved to another location.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3865
		 * So we pass anObject, and the offset to the __WRITEBYTES_OBJ__ macro.
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3866
		 */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3867
		offs += nInstBytes;
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3868
		__WRITEBYTES_OBJ__(cnt, f, anObject, offs, len, _buffered);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3869
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3870
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3871
	    if (cnt >= 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3872
		if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3873
		    INT np = __intVal(__INST(position)) + cnt;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3874
		    OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3875
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3876
		    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3877
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3878
		    __INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3879
		}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3880
		RETURN ( __mkSmallInteger(cnt) );
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3881
	    }
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3882
	    if (
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3883
#ifdef EWOULDBLOCK
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3884
		(__threadErrno == EWOULDBLOCK) ||
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3885
#endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3886
		(__threadErrno == EAGAIN)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3887
	    ) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3888
		RETURN ( __mkSmallInteger(0) );
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3889
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3890
	    __INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3891
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3892
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3893
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3894
bad: ;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3895
%}.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3896
    lastErrorNumber notNil ifTrue:[^ self writeError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3897
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3898
    (mode == #readonly) ifTrue:[^ self errorReadOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3899
    ^ self primitiveFailed
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3900
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3901
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3902
nextPutLong:aNumber MSB:msbFlag
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3903
    "Write the argument, aNumber as a long (four bytes). If msbFlag is
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3904
     true, data is written most-significant byte first; otherwise least
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3905
     first.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3906
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3907
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3908
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3909
    int num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3910
    union {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3911
	char bytes[4];
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3912
	int intVal;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3913
    } u;
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  3914
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3915
    int cnt, _buffered;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3916
    OBJ fp;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3917
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3918
    __INST(lastErrorNumber) = nil;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3919
    if (__isSmallInteger(aNumber)) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3920
	num = __intVal(aNumber);
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3921
    } else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3922
#if __POINTER_SIZE__ == 8
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3923
	goto badArg;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3924
#else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3925
	num = __longIntVal(aNumber);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3926
	if (num == 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3927
	    num = __signedLongIntVal(aNumber);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3928
	    if (num == 0) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3929
		/* bad arg or out-of-range integer
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3930
		 * (handled by the fallBack code)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3931
		 */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3932
		goto badArg;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3933
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3934
	}
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3935
#endif
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3936
    }
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3937
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  3938
    if (((fp = __INST(filePointer)) != nil)
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3939
     && (__INST(mode) != @symbol(readonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  3940
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3941
	if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3942
#if defined(__MSBFIRST__)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3943
	    u.intVal = num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3944
#else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3945
	    u.bytes[0] = (num >> 24) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3946
	    u.bytes[1] = (num >> 16) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3947
	    u.bytes[2] = (num >> 8) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3948
	    u.bytes[3] = num & 0xFF;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3949
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3950
	} else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  3951
#if defined(__LSBFIRST__)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3952
	    u.intVal = num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3953
#else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3954
	    u.bytes[3] = (num >> 24) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3955
	    u.bytes[2] = (num >> 16) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3956
	    u.bytes[1] = (num >> 8) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3957
	    u.bytes[0] = num & 0xFF;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3958
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3959
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3960
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3961
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3962
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3963
	    __WRITING__(f)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  3964
	}
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3965
	__WRITEBYTES__(cnt, f, u.bytes, 4, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3966
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3967
	if (cnt == 4) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3968
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3969
		INT np = __intVal(__INST(position)) + 4;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3970
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3971
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  3972
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3973
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3974
		__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3975
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3976
	    RETURN ( self );
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3977
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3978
	__INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  3979
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3980
    }
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  3981
badArg: ;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3982
%}.
7801
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  3983
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  3984
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  3985
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3986
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3987
    aNumber isInteger ifTrue:[
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  3988
	^ super nextPutLong:aNumber MSB:msbFlag
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  3989
    ].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3990
    self argumentMustBeInteger
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3991
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3992
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3993
nextPutShort:aNumber MSB:msbFlag
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3994
    "Write the argument, aNumber as a short (two bytes). If msbFlag is
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3995
     true, data is written most-significant byte first; otherwise least
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3996
     first.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3997
     Works in both binary and text modes."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  3998
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  3999
%{
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4000
    int num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4001
    union {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4002
	char bytes[2];
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4003
	short shortVal;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4004
    } u;
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4005
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4006
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4007
    int cnt, _buffered;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4008
    OBJ fp;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4009
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4010
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4011
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4012
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4013
	&& __isSmallInteger(aNumber)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4014
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4015
	num = __intVal(aNumber);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4016
	if (msbFlag == true) {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  4017
#if defined(__MSBFIRST__)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4018
	    u.shortVal = num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4019
#else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4020
	    u.bytes[0] = (num >> 8) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4021
	    u.bytes[1] = num & 0xFF;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4022
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4023
	} else {
8901
824a89d0b5c7 alpha64 vs. POINTER_SIZE cleanup
Claus Gittinger <cg@exept.de>
parents: 8881
diff changeset
  4024
#if defined(__LSBFIRST__)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4025
	    u.shortVal = num;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4026
#else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4027
	    u.bytes[1] = (num >> 8) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4028
	    u.bytes[0] = num & 0xFF;
4384
f8e779b99b14 slightly tuned nextPutLongMSB: and nextPutShortMSB:
Claus Gittinger <cg@exept.de>
parents: 4383
diff changeset
  4029
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4030
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4031
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4032
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4033
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4034
	    __WRITING__(f)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4035
	}
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4036
	__WRITEBYTES__(cnt, f, u.bytes, 2, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4037
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4038
	if (cnt == 2) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4039
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4040
		INT np = __intVal(__INST(position)) + 2;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4041
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4042
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  4043
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4044
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4045
		__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4046
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4047
	    RETURN ( self );
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4048
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4049
	__INST(position) = nil; /* i.e. do not know */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4050
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4051
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4052
%}.
7801
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  4053
    lastErrorNumber notNil ifTrue:[self writeError. ^ self.].
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  4054
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  4055
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4056
    self argumentMustBeInteger
10
claus
parents: 5
diff changeset
  4057
! !
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4058
7053
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4059
!ExternalStream methodsFor:'positioning'!
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4060
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4061
position0Based
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4062
    self subclassResponsibility
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4063
!
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4064
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4065
position0Based:index0Based
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4066
    self subclassResponsibility
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4067
! !
13e04c48e23c prep for 0-based stream position
Claus Gittinger <cg@exept.de>
parents: 7051
diff changeset
  4068
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4069
!ExternalStream methodsFor:'private'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4070
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4071
clearEOF
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4072
    hitEOF := false
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4073
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4074
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4075
!ExternalStream protectedMethodsFor:'private'!
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4076
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4077
closeFile
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4078
    "low level close - may be redefined in subclasses
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4079
     Don't send this message, send #close instead"
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4080
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4081
    |fp|
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4082
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4083
%{
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4084
    if ((fp = __INST(filePointer)) != nil) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4085
	FILEPOINTER f;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4086
	int rslt;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4087
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4088
	__INST(filePointer) = nil;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4089
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4090
	if (@global(FileOpenTrace) == true) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4091
	    fprintf(stderr, "fclose [ExternalStream] %x\n", f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4092
	}
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4093
#ifdef WIN32
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4094
	do {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4095
	    __threadErrno = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4096
	    rslt = __STX_C_CALL1("fclose", fclose, f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4097
	} while((rslt < 0) && (__threadErrno == EINTR));
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4098
#else
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4099
	__BEGIN_INTERRUPTABLE__
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4100
	fclose(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4101
	__END_INTERRUPTABLE__
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4102
#endif
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4103
    }
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4104
    RETURN (self);
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4105
%}.
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4106
    "/ fallback for rel5
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4107
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4108
    fp := filePointer.
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4109
    fp notNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4110
	filePointer := nil.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4111
	self closeFile:fp
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4112
    ]
8472
5e8d452b5d75 Mark methods as private
Stefan Vogel <sv@exept.de>
parents: 8471
diff changeset
  4113
! !
5e8d452b5d75 Mark methods as private
Stefan Vogel <sv@exept.de>
parents: 8471
diff changeset
  4114
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4115
!ExternalStream methodsFor:'private'!
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4116
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4117
closeFile:filePointer
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4118
    "for rel5 only"
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4119
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4120
    self primitiveFailed
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4121
!
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4122
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4123
connectTo:aFileDescriptor withMode:openmode
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4124
    "connect a fileDescriptor; openmode is the string defining the way to open.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4125
     This can be used to connect an externally provided fileDescriptor (from
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4126
     primitive code) or a pipeFileDescriptor (as returned by makePipe) to
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4127
     a Stream object.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4128
     The openMode ('r', 'w' etc.) must match the mode in which
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4129
     the fileDescriptor was originally opened (otherwise i/o errors will be reported later)."
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4130
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4131
    |retVal|
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4132
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4133
    filePointer notNil ifTrue:[^ self errorAlreadyOpen].
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4134
%{
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4135
    FILEPOINTER f;
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4136
    OBJ fp;
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4137
    FILE *fdopen();
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4138
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4139
    if (__isSmallInteger(aFileDescriptor) && __isStringLike(openmode)) {
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4140
	f = (FILEPOINTER) fdopen(__intVal(aFileDescriptor), (char *)__stringVal(openmode));
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4141
	if (f == NULL) {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4142
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4143
	    __INST(position) = nil;
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4144
	} else {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4145
	    if (@global(FileOpenTrace) == true) {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4146
		fprintf(stderr, "fdopen [ExternalStream] %d -> %x\n", __intVal(aFileDescriptor), f);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4147
	    }
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4148
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4149
	    fp = __MKFILEPOINTER(f); __INST(filePointer) = fp; __STORE(self, fp);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4150
	    __INST(position) = @global(PositionableStream:ZeroPosition);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4151
	    retVal = self;
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4152
	}
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4153
    }
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4154
%}.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4155
    retVal notNil ifTrue:[
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4156
	buffered := true.       "default is buffered"
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4157
	Lobby register:self
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4158
    ].
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4159
    lastErrorNumber notNil ifTrue:[
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4160
	"
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4161
	 the open failed for some reason ...
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4162
	"
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4163
	^ self openError
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4164
    ].
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4165
    ^ retVal
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4166
!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4167
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4168
open:aPath withMode:openModeString
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4169
    "low level open; opens the file/device and sets the filePointer instance
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4170
     variable. Careful: this does not care for any other state."
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4171
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4172
    |ok|
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4173
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4174
    ok := false.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4175
%{
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4176
    FILE *f;
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4177
    OBJ fp;
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4178
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4179
    if (__isStringLike(aPath) && __isStringLike(openModeString)) {
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4180
#ifdef WIN32
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4181
# ifdef NO_STDIO
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4182
       f = fopen((char *) __stringVal(aPath), (char *) __stringVal(openModeString));
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4183
# else
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4184
	__BEGIN_INTERRUPTABLE__
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4185
	do {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4186
	    f = fopen((char *) __stringVal(aPath), (char *) __stringVal(openModeString));
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4187
	} while ((f == NULL) && (__threadErrno == EINTR));
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4188
	__END_INTERRUPTABLE__
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4189
# endif
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4190
#else /* UNIX */
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4191
	__BEGIN_INTERRUPTABLE__
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4192
	do {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4193
	    f = fopen((char *) __stringVal(aPath), (char *) __stringVal(openModeString));
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4194
	} while ((f == NULL) && (__threadErrno == EINTR));
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4195
	__END_INTERRUPTABLE__
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4196
#endif /* UNIX */
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4197
	if (f == NULL) {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4198
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4199
	} else {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4200
	    if (@global(FileOpenTrace) == true) {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4201
		fprintf(stderr, "fopen %s [ExternalStream] -> %x\n", __stringVal(aPath), f);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4202
	    }
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4203
	    fp = __MKFILEPOINTER(f); __INST(filePointer) = fp; __STORE(self, fp);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4204
	    ok = true;
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4205
	}
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4206
    }
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4207
%}.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4208
    ok ifFalse:[
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4209
	"
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4210
	 the open failed for some reason ...
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4211
	"
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4212
	^ self openError
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4213
    ].
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4214
    position := ZeroPosition.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4215
    Lobby register:self.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4216
!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4217
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4218
reOpen
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4219
    "USERS WILL NEVER INVOKE THIS METHOD
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4220
     sent after snapin to reopen streams.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4221
     cannot reopen here since I am abstract and have no device knowledge"
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4222
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4223
    self class name errorPrint. ' [warning]: automatic reOpen not supported - stream closed' errorPrintCR.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4224
    filePointer := nil.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4225
    Lobby unregister:self.
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4226
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4227
    "Modified: 10.1.1997 / 17:50:44 / cg"
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4228
!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4229
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4230
setFileDescriptor:anInteger mode:openMode
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4231
    "set the filePointer based upon a given fileDescriptor -
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4232
     notice: this one is based on the underlying OSs fileDescriptor -
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4233
     this may not be available on all platforms (i.e. non unix systems)."
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4234
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4235
%{
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4236
    FILEPOINTER f;
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4237
    OBJ fp;
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4238
    FILE *fdopen();
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4239
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4240
    if (__isSmallInteger(anInteger) &&
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4241
	__isStringLike(openMode) &&
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4242
	(f = fdopen(__intVal(anInteger), __stringVal(openMode))) != 0
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4243
    ) {
9023
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4244
	if (@global(FileOpenTrace) == true) {
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4245
	    fprintf(stderr, "fdopen [ExternalStream] %d -> %x\n", __intVal(anInteger), f);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4246
	}
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4247
	fp = __MKFILEPOINTER(f); __INST(filePointer) = fp; __STORE(self, fp);
7919c66b8fb0 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 9002
diff changeset
  4248
	RETURN (self);
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4249
    }
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4250
%}.
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4251
    ^ self primitiveFailed
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4252
!
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4253
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4254
setFilePointer:something
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4255
    "set the filePointer to the given one;
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4256
     low level private & friend interface; may also be used to connect to some
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4257
     externally provided file handle."
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4258
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4259
    filePointer := something
8966
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4260
!
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4261
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4262
setLastError:aNumber
0b299dd8759c Allow Symbols as pathname and openMode
Stefan Vogel <sv@exept.de>
parents: 8913
diff changeset
  4263
    lastErrorNumber := aNumber
8471
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4264
! !
e061e503bf03 Documentation: users shold never send #closeFile
Stefan Vogel <sv@exept.de>
parents: 8362
diff changeset
  4265
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4266
!ExternalStream methodsFor:'queries'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4267
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4268
isBinary
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4269
    "return true, if the stream is in binary (as opposed to text-) mode.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4270
     The default when created is false."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4271
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4272
    ^ binary
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4273
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4274
7804
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4275
isBlocking
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4276
    "return true, if O_NONBLOCK is NOT set in the fileDescriptor (propably UNIX specific)"
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4277
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4278
    filePointer isNil ifTrue:[^ self errorNotOpen].
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4279
    ^ OperatingSystem isBlockingOn:self fileDescriptor
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4280
!
7128efd3b504 isNonBlocking -> isBlocking
Claus Gittinger <cg@exept.de>
parents: 7801
diff changeset
  4281
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4282
isExternalStream
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4283
    "return true, if the receiver is some kind of externalStream;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4284
     true is returned here - the method redefined from Object."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4285
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4286
    ^ true
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4287
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4288
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4289
isOpen
3863
af67e6995a4a added #isOpen query
Claus Gittinger <cg@exept.de>
parents: 3682
diff changeset
  4290
    "return true, if this stream is open"
af67e6995a4a added #isOpen query
Claus Gittinger <cg@exept.de>
parents: 3682
diff changeset
  4291
af67e6995a4a added #isOpen query
Claus Gittinger <cg@exept.de>
parents: 3682
diff changeset
  4292
    ^ filePointer notNil
af67e6995a4a added #isOpen query
Claus Gittinger <cg@exept.de>
parents: 3682
diff changeset
  4293
!
af67e6995a4a added #isOpen query
Claus Gittinger <cg@exept.de>
parents: 3682
diff changeset
  4294
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4295
isReadable
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4296
    "return true, if this stream can be read from"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4297
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4298
    ^ (mode ~~ #writeonly)
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4299
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4300
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4301
isWritable
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4302
    "return true, if this stream can be written to"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4303
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4304
    ^ (mode ~~ #readonly)
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4305
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4306
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4307
!ExternalStream methodsFor:'reading'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4308
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4309
next
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4310
    "return the next element; advance read position.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4311
     In binary mode, an integer is returned, otherwise a character.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4312
     If there are no more elements, nil is returned."
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4313
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4314
    |c|
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  4315
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4316
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4317
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4318
    OBJ pos, fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4319
    unsigned char ch;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4320
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4321
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4322
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4323
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4324
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4325
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4326
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4327
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4328
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4329
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4330
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4331
	__READBYTE__(ret, f, &ch, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4332
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4333
	if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4334
	    pos = __INST(position);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4335
	    if (__isSmallInteger(pos)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4336
		OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4337
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  4338
		t = __MKINT(__intVal(pos) + 1); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4339
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4340
		__INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4341
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4342
	    if (__INST(binary) == true) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4343
		RETURN ( __mkSmallInteger(ch) );
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4344
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4345
	    RETURN ( __MKCHARACTER(ch) );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4346
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4347
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4348
	__INST(position) = nil;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4349
	if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4350
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4351
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4352
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4353
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4354
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4355
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  4356
    hitEOF == true ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4357
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4358
    filePointer isNil ifTrue:[^ self errorNotOpen].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4359
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4360
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4361
    readAhead notNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4362
	c := readAhead.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4363
	readAhead := nil.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4364
	^ c.
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4365
    ].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4366
    c := self nextByteFromFile:filePointer.
5430
7d0aa5fc6c22 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5420
diff changeset
  4367
    c isNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4368
	^ self pastEndRead.
5430
7d0aa5fc6c22 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5420
diff changeset
  4369
    ].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4370
    binary == true ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4371
	^ c
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4372
    ].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4373
    ^ Character value:c
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4374
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4375
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4376
next:count
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4377
    "return the next count elements of the stream as a collection.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4378
     Redefined to return a String or ByteArray instead of the default: Array."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4379
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4380
    |coll nRead|
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4381
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4382
    binary ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4383
	coll := ByteArray uninitializedNew:count
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4384
    ] ifFalse:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4385
	coll := String new:count
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4386
    ].
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4387
    nRead := self nextBytes:count into:coll startingAt:1.
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4388
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4389
    "/ for readStream protocol compatibility,
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4390
    "/ we must raise an exception here.
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4391
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4392
    nRead < count ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4393
	^ self pastEndRead
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4394
    ].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4395
    ^ coll
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4396
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4397
    "Modified: 11.1.1997 / 17:44:17 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4398
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4399
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4400
peek
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4401
    "return the element to be read next without advancing read position.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4402
     In binary mode, an integer is returned, otherwise a character.
2151
5f1fd65f8c3b next: must raise pastEnd, if EOF is hit;
Claus Gittinger <cg@exept.de>
parents: 2134
diff changeset
  4403
     If there are no more elements, nil is returned."
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4404
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  4405
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4406
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4407
    unsigned char c;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4408
    int ret, _buffered;
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4409
    OBJ fp;
3672
49dff0652a2c fixed readAhead in peek with non-binary mode
Claus Gittinger <cg@exept.de>
parents: 3569
diff changeset
  4410
    OBJ ra;
49dff0652a2c fixed readAhead in peek with non-binary mode
Claus Gittinger <cg@exept.de>
parents: 3569
diff changeset
  4411
49dff0652a2c fixed readAhead in peek with non-binary mode
Claus Gittinger <cg@exept.de>
parents: 3569
diff changeset
  4412
    if ((ra = __INST(readAhead)) != nil) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4413
	if (__INST(binary) == true) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4414
	    RETURN ( ra );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4415
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4416
	c = __intVal(ra);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4417
	RETURN ( __MKCHARACTER(c) );
3029
aa14768e0e6a larger lineBuffer in #nextLine
Claus Gittinger <cg@exept.de>
parents: 3016
diff changeset
  4418
    }
aa14768e0e6a larger lineBuffer in #nextLine
Claus Gittinger <cg@exept.de>
parents: 3016
diff changeset
  4419
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4420
    __INST(lastErrorNumber) = nil;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4421
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4422
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4423
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4424
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4425
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4426
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4427
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4428
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4429
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4430
	__READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4431
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4432
	if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4433
	    __UNGETC__(c, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4434
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4435
	    if (__INST(binary) == true) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4436
		RETURN ( __mkSmallInteger(c) );
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4437
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4438
	    RETURN ( __MKCHARACTER(c) );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4439
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4440
	if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4441
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4442
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4443
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4444
	}
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4445
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4446
%}.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4447
    hitEOF == true ifTrue:[^ self pastEndRead].
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4448
    lastErrorNumber notNil ifTrue:[^ self readError].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4449
    filePointer isNil ifTrue:[^ self errorNotOpen].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4450
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4451
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4452
    readAhead notNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4453
	^ readAhead
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4454
    ].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4455
    self atEnd ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4456
	^ self pastEndRead
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4457
    ].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4458
    readAhead := self next.
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4459
    ^ readAhead
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4460
!
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4461
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4462
upToEnd
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4463
    "return a collection of the elements up-to the end.
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4464
     Return nil if the stream-end is reached before."
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4465
6569
f8336e46ec9f Speedup #upToEnd
Stefan Vogel <sv@exept.de>
parents: 6563
diff changeset
  4466
    |answerStream buffer count|
f8336e46ec9f Speedup #upToEnd
Stefan Vogel <sv@exept.de>
parents: 6563
diff changeset
  4467
f8336e46ec9f Speedup #upToEnd
Stefan Vogel <sv@exept.de>
parents: 6563
diff changeset
  4468
    buffer := self contentsSpecies new:4096.
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4469
    [self atEnd] whileFalse:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4470
	count := self nextAvailableBytes:4096 into:buffer startingAt:1.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4471
	count ~~ 0 ifTrue:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4472
	    answerStream isNil ifTrue:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4473
		answerStream := WriteStream with:buffer.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4474
		answerStream position0Based:count.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4475
		buffer := self contentsSpecies new:4096.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4476
	    ] ifFalse:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4477
		answerStream nextPutAll:buffer startingAt:1 to:count.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4478
	    ].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  4479
	].
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4480
    ].
6758
bc933037a1dc oops - upToEnd failed if already at the end
Claus Gittinger <cg@exept.de>
parents: 6661
diff changeset
  4481
    answerStream isNil ifTrue:[^ self contentsSpecies new].
1295
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4482
    ^ answerStream contents
83f594f05c52 documentation
Claus Gittinger <cg@exept.de>
parents: 1281
diff changeset
  4483
7054
685d359f9847 code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents: 7053
diff changeset
  4484
    "
685d359f9847 code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents: 7053
diff changeset
  4485
     ('smalltalk.rc' asFilename readStream upToEnd)
685d359f9847 code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents: 7053
diff changeset
  4486
     =
685d359f9847 code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents: 7053
diff changeset
  4487
     ('smalltalk.rc' asFilename readStream contentsOfEntireFile)
685d359f9847 code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents: 7053
diff changeset
  4488
    "
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4489
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4490
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4491
!ExternalStream methodsFor:'reimplemented for speed'!
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4492
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4493
nextAlphaNumericWord
379
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4494
    "read the next word (i.e. up to non letter-or-digit) after first
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4495
     skipping any whiteSpace.
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4496
     Return a string containing those characters.
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4497
     There is a limit of 1023 characters in the word - if longer,
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4498
     it is truncated."
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4499
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4500
%{  /* STACK: 2000 */
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4501
    FILEPOINTER f;
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4502
    int len;
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4503
    char buffer[1024];
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4504
    unsigned char ch;
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4505
    int cnt = 0;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4506
    int ret, _buffered;
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4507
    OBJ fp;
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4508
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4509
    if (((fp = __INST(filePointer)) != nil)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4510
     && (__INST(mode) != @symbol(writeonly))
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4511
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4512
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4513
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4514
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4515
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4516
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4517
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4518
	/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4519
	 * skip whiteSpace first ...
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4520
	 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4521
	do {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4522
	    __READBYTE__(ret, f, &ch, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4523
	    if (ret > 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4524
		cnt++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4525
	    else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4526
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4527
	} while (
379
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4528
#ifndef NON_ASCII
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4529
		 (ch < ' ') ||
379
5b5a130ccd09 revision added
claus
parents: 372
diff changeset
  4530
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4531
		 (ch == ' ' ) || (ch == '\t') || (ch == '\r')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4532
	      || (ch == '\n') || (ch == 0x0b));
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4533
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4534
	len = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4535
	while (ret > 0 &&
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4536
	       (((ch >= 'a') && (ch <= 'z')) ||
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4537
		((ch >= 'A') && (ch <= 'Z')) ||
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4538
		((ch >= '0') && (ch <= '9')))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4539
	) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4540
	    buffer[len++] = ch;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4541
	    if (len >= (sizeof(buffer)-1)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4542
		/* emergency */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4543
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4544
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4545
	    __READBYTE__(ret, f, &ch, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4546
	    if (ret > 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4547
		cnt++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4548
	    else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4549
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4550
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4551
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4552
	if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4553
	    if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4554
		__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4555
		goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4556
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4557
	    else if (ret == 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4558
		__INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4559
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4560
	    __UNGETC__(ch, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4561
	    cnt--;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4562
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4563
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4564
	if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4565
	    INT np = __intVal(__INST(position)) + cnt;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4566
	    OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4567
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  4568
	    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4569
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4570
	    __INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4571
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4572
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4573
	if (len != 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4574
	    buffer[len] = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4575
	    RETURN ( __MKSTRING_L(buffer, len) );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4576
	}
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4577
    }
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4578
err: ;
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4579
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  4580
    hitEOF ifTrue:[^ self pastEndRead].
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4581
    lastErrorNumber notNil ifTrue:[^ self readError].
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4582
    filePointer isNil ifTrue:[^ self errorNotOpen].
5414
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  4583
    mode == #writeonly ifTrue:[^ self errorWriteOnly].
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  4584
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  4585
    ^ super nextAlphaNumericWord
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4586
!
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4587
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4588
nextChunk
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4589
    "return the next chunk, i.e. all characters up to the next
668
73165201a9da nextChunk: %{ is only recognized if at begin-of-line
Claus Gittinger <cg@exept.de>
parents: 665
diff changeset
  4590
     exclamation mark. Within the chunk, exclamation marks have to be doubled -
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4591
     except within primitive code (this exception was added to make it easier
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4592
     to edit primitive code with external editors). This means, that other
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4593
     Smalltalks cannot always read chunks containing primitive code - but that
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4594
     doesnt really matter, since C-primitives are an ST/X feature anyway.
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4595
     Reimplemented here for more speed."
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4596
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4597
    |retVal outOfMemory buffer|
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4598
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4599
    filePointer isNil ifTrue:[^ self errorNotOpen].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  4600
    binary == true ifTrue:[^ self errorBinary].
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4601
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4602
2854
3c8bf66e4e7d give nextChunk a bit more stack
Claus Gittinger <cg@exept.de>
parents: 2766
diff changeset
  4603
%{  /* STACK: 12000 */
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4604
    /*
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4605
     * the main trick (and a bit of complication) here
2874
020627074c9e oops - nextChunk could access invalid memory due
Claus Gittinger <cg@exept.de>
parents: 2861
diff changeset
  4606
     * is to read the first 8k into a stack-buffer.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4607
     * Since most chunks fit into that,
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4608
     * this avoids creating lots of garbage for thos small chunks.
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4609
     */
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4610
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4611
    int nread = 0, done = 0;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4612
    unsigned char c, lastC, peekC;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4613
    int ret;
1823
51ffb7231437 type casts
Claus Gittinger <cg@exept.de>
parents: 1688
diff changeset
  4614
    unsigned char *bufferPtr = (unsigned char *)0;
2874
020627074c9e oops - nextChunk could access invalid memory due
Claus Gittinger <cg@exept.de>
parents: 2861
diff changeset
  4615
    unsigned char fastBuffer[8000];
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4616
    REGISTER int index;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4617
    int currSize, fastFlag, _buffered;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4618
    int atBeginOfLine = 1, inPrimitive = 0;
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4619
    int haveCR = 0, haveNL = 0;
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4620
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4621
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4622
    f = __FILEVal(__INST(filePointer));
668
73165201a9da nextChunk: %{ is only recognized if at begin-of-line
Claus Gittinger <cg@exept.de>
parents: 665
diff changeset
  4623
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4624
    _buffered = (__INST(buffered) == true);
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4625
    if (_buffered) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4626
	__READING__(f)
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4627
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4628
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4629
    /*
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4630
     * skip spaces
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4631
     */
673
2c3a4a536cd1 oops - handling of exclas within primitives was wrong
Claus Gittinger <cg@exept.de>
parents: 671
diff changeset
  4632
    c = '\n';
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4633
    while (! done) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4634
	lastC = c;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4635
	__READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4636
	if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4637
	    goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4638
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4639
	nread++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4640
	atBeginOfLine = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4641
	switch (c) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4642
	    case '\n':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4643
	    case ' ':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4644
	    case '\t':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4645
	    case '\r':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4646
	    case '\b':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4647
	    case '\014':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4648
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4649
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4650
	    default:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4651
		atBeginOfLine = (lastC == '\n');
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4652
		done = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4653
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4654
	}
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4655
    }
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4656
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4657
    /*
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4658
     * read chunk into a buffer
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4659
     */
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4660
    bufferPtr = fastBuffer; fastFlag = 1;
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4661
    currSize = sizeof(fastBuffer);
362
claus
parents: 360
diff changeset
  4662
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4663
    index = 0;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4664
    for (;;) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4665
	__READBYTE__(ret, f, &peekC, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4666
	if ((c == '%') && atBeginOfLine && ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4667
	    if (peekC == '{') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4668
		inPrimitive = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4669
	    } else if (peekC == '}') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4670
		inPrimitive = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4671
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4672
	} else if (c == '!' && !inPrimitive) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4673
	    if (ret > 0 && peekC == '!') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4674
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4675
		 * convert double-! to a single !
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4676
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4677
		__READBYTE__(ret, f, &peekC, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4678
		if (ret > 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4679
		    nread++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4680
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4681
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4682
		 * End of chunk, push back lookahead character
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4683
		 * and leave loop.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4684
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4685
		if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4686
		    __UNGETC__(peekC, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4687
		} else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4688
		    ret = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4689
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4690
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4691
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4692
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4693
	/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4694
	 * do we have to resize the buffer ?
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4695
	 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4696
	if ((index+2) >= currSize) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4697
	    OBJ newBuffer;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4698
	    unsigned char *nbp;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4699
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4700
	    newBuffer = __MKEMPTYSTRING(currSize * 2);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4701
	    if (!fastFlag) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4702
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4703
		 * refetch - buffer could be moved by GC
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4704
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4705
		bufferPtr = __stringVal(buffer);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4706
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4707
	    if (newBuffer == nil) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4708
		/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4709
		 * mhmh - chunk seems to be very big ....
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4710
		 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4711
		outOfMemory = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4712
		goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4713
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4714
	    nbp = __stringVal(newBuffer);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4715
	    bcopy(bufferPtr, nbp, index);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4716
	    bufferPtr = nbp;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4717
	    bufferPtr[index] = '\0';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4718
	    buffer = newBuffer;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4719
	    fastFlag = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4720
	    currSize = currSize * 2;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4721
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4722
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4723
	if (!fastFlag) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4724
	    /*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4725
	     * old buffer may have moved (interrupt while reading)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4726
	     * - refetch pointer
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4727
	     */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4728
	    bufferPtr = __stringVal(buffer);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4729
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4730
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4731
	/*
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4732
	 * filter out cr-nl; make it nl
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4733
	 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4734
	if (c == '\n') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4735
	    haveNL = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4736
	    if (index > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4737
		if (bufferPtr[index-1] == '\r') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4738
		    index--;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4739
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4740
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4741
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4742
	    if (c == '\r') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4743
		haveCR = 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4744
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4745
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4746
	bufferPtr[index++] = c;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4747
	if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4748
	    if (ret == 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4749
		break;          /* End of chunk reached */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4750
	    goto err;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4751
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4752
	nread++;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4753
	atBeginOfLine = (c == '\n');
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4754
	c = peekC;
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4755
    }
92
0c73b48551ac *** empty log message ***
claus
parents: 88
diff changeset
  4756
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4757
    /*
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4758
     * care for CR-limited files.
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4759
     * Replace CR's by NL's
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4760
     */
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4761
    if (!haveNL && haveCR) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4762
	int i;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4763
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4764
	for (i=index-1; i>=0; i--) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4765
	    if (bufferPtr[i] == '\r') {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4766
		bufferPtr[i] = '\n';
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4767
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4768
	}
2920
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4769
    }
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4770
9c10b66e1ba8 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 2903
diff changeset
  4771
    /*
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4772
     * make it a string
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4773
     * be careful here - allocating a new string may make the
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4774
     * existing buffer move around. Need to check if copying from
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4775
     * fast (C) buffer or from real (ST) buffer.
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4776
     */
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4777
    if (fastFlag) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4778
	retVal = __MKSTRING_L(bufferPtr, index);
665
429936f8e6e7 fixed nextChunk; it was not reentrant due to freeing of the static
Claus Gittinger <cg@exept.de>
parents: 612
diff changeset
  4779
    } else {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4780
	retVal = __MKSTRING_ST_L(buffer, index);
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4781
    }
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4782
1478
aae07192b7d1 labels in empty statements need a semi
Claus Gittinger <cg@exept.de>
parents: 1469
diff changeset
  4783
err: ;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4784
    if (ret <= 0) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4785
	if (ret == 0)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4786
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4787
	else /* ret < 0 */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4788
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4789
    }
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  4790
    if (__isSmallInteger(__INST(position))) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4791
	INT np = __intVal(__INST(position)) + nread;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4792
	OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4793
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  4794
	t = __MKINT(np); __INST(position) = t; __STORE(self, t);
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  4795
    } else {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4796
	__INST(position) = nil; /* i.e. do not know */
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4797
    }
159
514c749165c3 *** empty log message ***
claus
parents: 108
diff changeset
  4798
%}.
370
claus
parents: 369
diff changeset
  4799
    retVal isNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4800
	"/
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4801
	"/ arrive here with retVal==nil either on error or premature EOF
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4802
	"/ or if running out of malloc-memory
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4803
	"/
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4804
	hitEOF == true ifTrue:[^ self pastEndRead].
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4805
	lastErrorNumber notNil ifTrue:[^ self readError].
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4806
	outOfMemory == true ifTrue:[
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4807
	    "
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4808
	     buffer memory allocation failed.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4809
	     When we arrive here, there was no memory available for the
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4810
	     chunk. (seems to be too big of a chunk ...)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4811
	     Bad luck - you should increase the ulimit and/or swap space on your machine.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4812
	    "
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4813
	    ^ ObjectMemory allocationFailureSignal raise.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4814
	].
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4815
	^ super nextChunk
216
a8abff749575 *** empty log message ***
claus
parents: 213
diff changeset
  4816
    ].
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  4817
    ^ retVal
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4818
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4819
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4820
nextMatchFor:anObject
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4821
    "skip all objects up-to and including anObject, return anObject on success,
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4822
     nil if end-of-file is reached before. The next read operation will return
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4823
     the element after anObject.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4824
     Only single byte characters are currently supported."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4825
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  4826
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4827
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4828
    int ret, peekValue;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4829
    char c;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4830
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4831
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4832
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4833
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4834
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4835
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4836
	if ((__INST(binary) == true) && __isSmallInteger(anObject)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4837
	    peekValue = __intVal(anObject) & 0xFF;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4838
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4839
	    if ((__INST(binary) != true) && __isCharacter(anObject)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4840
		peekValue = __intVal(_characterVal(anObject)) & 0xFF;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4841
	    } else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4842
		peekValue = -1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4843
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4844
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4845
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4846
	if (peekValue >= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4847
	    int _buffered;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4848
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4849
	    __INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4850
	    f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4851
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4852
	    if (_buffered = (__INST(buffered) == true)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4853
		__READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4854
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4855
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4856
	    for (;;) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4857
		__READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4858
		if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4859
		    if (ret < 0)
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4860
			__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4861
		    else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4862
			__INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4863
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4864
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4865
		if (c == peekValue) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4866
		    RETURN (anObject);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4867
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4868
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4869
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4870
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4871
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  4872
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4873
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4874
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4875
    ^ super nextMatchFor:anObject
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4876
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4877
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4878
peekFor:anObject
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4879
    "return true and move past next element, if next == something.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4880
     Otherwise, stay and return false. False is also returned
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4881
     when EOF is encountered.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4882
     The argument must be an integer if in binary, a character if in
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4883
     text mode; only single byte characters are currently supported."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4884
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  4885
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4886
    FILEPOINTER f;
3029
aa14768e0e6a larger lineBuffer in #nextLine
Claus Gittinger <cg@exept.de>
parents: 3016
diff changeset
  4887
    unsigned char c;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4888
    int ret, peekValue, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4889
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4890
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4891
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4892
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4893
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4894
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4895
	if (__INST(binary) == true) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4896
	    if (__isSmallInteger(anObject)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4897
		peekValue = __intVal(anObject) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4898
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4899
		goto bad;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4900
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4901
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4902
	    if (__isCharacter(anObject)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4903
		peekValue = __intVal(_characterVal(anObject)) & 0xFF;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4904
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4905
		goto bad;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4906
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4907
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4908
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4909
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4910
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4911
	_buffered = (__INST(buffered) == true);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4912
	if (_buffered) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4913
	    __READING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4914
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4915
	__READBYTE__(ret, f, &c, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4916
	if (ret > 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4917
	    if (c == peekValue) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4918
		if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4919
		    INT np = __intVal(__INST(position)) + 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4920
		    OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4921
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  4922
		    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4923
		} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4924
		    __INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4925
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4926
		RETURN (true);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4927
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4928
	    __UNGETC__(c, f, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4929
	    RETURN (false);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4930
	}
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4931
	if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4932
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4933
	} else /* ret == 0 */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4934
	    __INST(hitEOF) = true;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  4935
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4936
bad: ;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4937
%}.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4938
    ^ super peekFor:anObject
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4939
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4940
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4941
skipLine
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4942
    "read the next line (characters up to newline) skip only;
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4943
     return nil if EOF reached, self otherwise.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4944
     Not allowed in binary mode."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4945
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4946
%{  /* STACK:2000 */
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4947
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4948
    FILEPOINTER f;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4949
    OBJ fp;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4950
    int ret, _buffered;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4951
    char c;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4952
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4953
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4954
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4955
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4956
	&& (__INST(binary) != true)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4957
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4958
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4959
	if (_buffered = (__INST(buffered) == true)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4960
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4961
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4962
	for (;;) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4963
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4964
	    if (ret > 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4965
		if (c == '\n')
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4966
		    RETURN(self)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4967
	    } else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4968
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4969
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4970
	if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  4971
	    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4972
	} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4973
	    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4974
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4975
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4976
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  4977
    hitEOF ifTrue:[^ self pastEndRead].
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  4978
    lastErrorNumber notNil ifTrue:[self readError. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  4979
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  4980
    binary ifTrue:[self errorBinary. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  4981
    self errorWriteOnly
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4982
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4983
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4984
skipSeparators
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4985
    "skip all whitespace; next will return next non-white-space character
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4986
     or nil if endOfFile reached. Not allowed in binary mode.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4987
     - reimplemented for speed"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4988
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  4989
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  4990
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4991
    char c;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  4992
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4993
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  4994
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4995
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  4996
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4997
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  4998
	&& (__INST(binary) != true)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  4999
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5000
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5001
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5002
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5003
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5004
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5005
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5006
	while (1) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5007
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5008
	    if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5009
		if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5010
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5011
		} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5012
		    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5013
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5014
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5015
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5016
	    switch (c) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5017
		case ' ':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5018
		case '\t':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5019
		case '\n':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5020
		case '\r':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5021
		case '\b':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5022
		case '\f':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5023
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5024
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5025
		default:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5026
		    __UNGETC__(c, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5027
		    RETURN ( __MKCHARACTER(c & 0xFF) );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5028
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5029
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5030
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5031
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  5032
    hitEOF == true ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5033
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5034
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5035
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5036
    (binary == true) ifTrue:[^ self errorBinary].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5037
    ^ super skipSeparators.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5038
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5039
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5040
skipSeparatorsExceptCR
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5041
    "skip all whitespace but no newlines;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5042
     next will return next non-white-space character
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5043
     or nil if endOfFile reached. Not allowed in binary mode.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5044
     - reimplemented for speed"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5045
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5046
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5047
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5048
    char c;
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  5049
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5050
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5051
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5052
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5053
    if (((fp = __INST(filePointer)) != nil)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5054
	&& (__INST(mode) != @symbol(writeonly))
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5055
	&& (__INST(binary) != true)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5056
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5057
	f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5058
	_buffered = (__INST(buffered) == true);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5059
	if (_buffered) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5060
	    __READING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5061
	}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5062
	while (1) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5063
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5064
	    if (ret <= 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5065
		if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5066
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5067
		} else /* ret == 0 */ {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5068
		    __INST(hitEOF) = true;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5069
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5070
		break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5071
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5072
	    switch (c) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5073
		case ' ':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5074
		case '\t':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5075
		case '\b':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5076
		case '\f':
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5077
		    break;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5078
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5079
		default:
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5080
		    __UNGETC__(c, f, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5081
		    RETURN ( __MKCHARACTER(c & 0xFF) );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5082
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5083
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5084
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5085
%}.
8614
88421fbd4ab6 pastEnd -> pastEndRead
Claus Gittinger <cg@exept.de>
parents: 8604
diff changeset
  5086
    hitEOF ifTrue:[^ self pastEndRead].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5087
    lastErrorNumber notNil ifTrue:[^ self readError].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5088
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5089
    (mode == #writeonly) ifTrue:[^ self errorWriteOnly].
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5090
    ^ self errorBinary.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5091
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5092
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5093
skipThrough:aCharacter
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5094
    "skip all characters up-to and including aCharacter.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5095
     Return the receiver if skip was successful,
6012
21eebe6e6997 fixed: return nil if skipThrough: hits EOF
Claus Gittinger <cg@exept.de>
parents: 5961
diff changeset
  5096
     otherwise (i.e. if not found) return nil and leave the stream positioned at the end.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5097
     The next read operation will return the character after aCharacter.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5098
     The argument, aCharacter must be character, or integer when in binary mode.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5099
     Only single byte characters are currently supported."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5100
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5101
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5102
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5103
    REGISTER int cSearch;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5104
    unsigned char c;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5105
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5106
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5107
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5108
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5109
    if (((fp = __INST(filePointer)) != nil)
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5110
	&& (__INST(mode) != @symbol(writeonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5111
    ) {
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5112
	if (__INST(binary) == true) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5113
	    /* searched for object must be a smallInteger */
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5114
	    if (! __isSmallInteger(aCharacter)) goto badArgument;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5115
	    cSearch = __intVal(aCharacter);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5116
	} else {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5117
	    /* searched for object must be a character */
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5118
	    if (! __isCharacter(aCharacter)) goto badArgument;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5119
	    cSearch = __intVal(_characterVal(aCharacter));
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5120
	}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5121
	/* Q: should we just say: "not found" ? */
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5122
	if ((cSearch < 0) || (cSearch > 255)) goto badArgument;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5123
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5124
	f = __FILEVal(fp);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5125
	if (_buffered = (__INST(buffered) == true)) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5126
	    __READING__(f)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5127
	}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5128
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5129
	while (1) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5130
	    __READBYTE__(ret, f, &c, _buffered);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5131
	    if (ret <= 0) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5132
		if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5133
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5134
		} else /* ret == 0 */ {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5135
		    __INST(hitEOF) = true;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5136
		}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5137
		break;
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5138
	    }
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5139
	    if (c == cSearch) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5140
		RETURN (self);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5141
	    }
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5142
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5143
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5144
badArgument: ;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5145
%}.
6012
21eebe6e6997 fixed: return nil if skipThrough: hits EOF
Claus Gittinger <cg@exept.de>
parents: 5961
diff changeset
  5146
    hitEOF ifTrue:[^ nil].
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5147
    lastErrorNumber notNil ifTrue:[self readError. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5148
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5149
    (mode == #writeonly) ifTrue:[self errorWriteOnly. ^ self].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5150
    "
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5151
     argument must be integer/character in binary mode,
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5152
     character in text mode
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5153
    "
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5154
    self error:'invalid argument'.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5155
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5156
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5157
     |s|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5158
     s := 'Makefile' asFilename readStream.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5159
     s skipThrough:$=.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5160
     s next:10
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5161
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5162
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5163
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5164
skipToAll:aString
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5165
    "skip for the sequence given by the argument, aCollection;
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5166
     return nil if not found, self otherwise.
1490
713852290c8b use skipThroughAll from superclass.
Claus Gittinger <cg@exept.de>
parents: 1478
diff changeset
  5167
     On a successful match, the next read will return characters of aString."
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5168
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5169
    |oldPos|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5170
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5171
    oldPos := self position.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5172
    (self skipThroughAll:aString) isNil ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5173
	"
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5174
	 restore position
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5175
	"
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5176
	self position:oldPos.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5177
	^ nil
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5178
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5179
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5180
     position before match-string
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5181
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5182
    self position:(self position - aString size).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5183
    ^ self
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5184
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5185
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5186
     |s|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5187
     s := 'Makefile' asFilename readStream.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5188
     s skipToAll:'are'.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5189
     s next:10
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5190
    "
1490
713852290c8b use skipThroughAll from superclass.
Claus Gittinger <cg@exept.de>
parents: 1478
diff changeset
  5191
713852290c8b use skipThroughAll from superclass.
Claus Gittinger <cg@exept.de>
parents: 1478
diff changeset
  5192
    "Modified: 26.6.1996 / 09:22:05 / cg"
1
a27a279701f8 Initial revision
claus
parents:
diff changeset
  5193
! !
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5194
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5195
!ExternalStream methodsFor:'rel5 protocol'!
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5196
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5197
atEndFile:filePointer
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5198
    "for migration to rel5 only"
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5199
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5200
    self primitiveFailed
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5201
!
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5202
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5203
nextByteFromFile:filePointer
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5204
    "for migration to rel5 only"
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5205
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5206
    self primitiveFailed
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5207
!
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5208
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5209
nextPutByte:aByte toFile:filePointer
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5210
    "for migration to rel5 only"
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5211
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5212
    self primitiveFailed
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5213
! !
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5214
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5215
!ExternalStream methodsFor:'testing'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5216
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5217
atEnd
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5218
    "return true, if position is at end"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5219
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5220
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5221
    FILEPOINTER f;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5222
    OBJ fp, pos, lim;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5223
    char c;
2861
c098e5766682 Fix #atEnd: for signed chars.
Stefan Vogel <sv@exept.de>
parents: 2854
diff changeset
  5224
    int ret, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5225
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5226
    if (__INST(hitEOF) == true) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5227
	RETURN (true);
3906
7f2d4a3b63e2 oops - readLimit was not handled in #atEnd
Claus Gittinger <cg@exept.de>
parents: 3878
diff changeset
  5228
    }
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5229
    pos = __INST(position);
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5230
    lim = __INST(readLimit);
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5231
    if (lim != nil) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5232
	off_t _pos, _readLimit;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5233
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5234
	_pos = __signedLongIntVal(pos);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5235
	_pos = _pos - __intVal( @global(PositionableStream:ZeroPosition)) + 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5236
	_readLimit = __signedLongIntVal(lim);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5237
	if (_pos > _readLimit) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5238
	    RETURN (true);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5239
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5240
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5241
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5242
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5243
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5244
    if ((fp = __INST(filePointer)) != nil) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5245
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5246
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5247
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5248
	    __READING__(f);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5249
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5250
	    if (__INST(readAhead) != nil) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5251
		RETURN (false);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5252
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5253
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5254
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5255
	/*
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5256
	 * read ahead ...
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5257
	 */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5258
	do {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5259
#ifdef WIN32
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5260
# ifdef NO_STDIO
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5261
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5262
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5263
# else
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5264
	    __BEGIN_INTERRUPTABLE__
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5265
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5266
	    __END_INTERRUPTABLE__
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5267
# endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5268
#else /* not WIN32 */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5269
	    __BEGIN_INTERRUPTABLE__
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5270
	    __READBYTE__(ret, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5271
	    __END_INTERRUPTABLE__
4914
Claus Gittinger <cg@exept.de>
parents: 4913
diff changeset
  5272
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5273
	} while ((ret < 0) && (__threadErrno == EINTR));
4152
0c1780ae527f dont return an error when interrupted in NEXTAVAILBYTES (return 0)
Claus Gittinger <cg@exept.de>
parents: 4108
diff changeset
  5274
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5275
#if defined(WIN32) && defined(EPIPE)
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5276
	if (ret < 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5277
	    if (__threadErrno == EPIPE) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5278
		ret = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5279
		__threadErrno = 0;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5280
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5281
	    if (__threadErrno == 0) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5282
		ret = 0;   /* how comes ? */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5283
	    }
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5284
	}
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5285
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5286
	if (ret > 0) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5287
	    __UNGETC__(c&0xff, f, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5288
	    RETURN (false);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5289
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5290
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5291
	if (ret == 0) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5292
	    __INST(hitEOF) = true;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5293
	    RETURN (true);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5294
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5295
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5296
	/* ret < 0 */
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5297
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5298
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5299
%}.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5300
    lastErrorNumber notNil ifTrue:[^ self readError].
5420
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5301
    filePointer isNil ifTrue:[^ self errorNotOpen].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5302
    mode == #writeonly ifTrue:[^ self errorWriteOnly].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5303
    readAhead notNil ifTrue:[^ false].
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5304
cec8306dff39 migration
Claus Gittinger <cg@exept.de>
parents: 5417
diff changeset
  5305
    "/ migration support
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5306
    ^ self
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5307
	atEndFile:filePointer
3906
7f2d4a3b63e2 oops - readLimit was not handled in #atEnd
Claus Gittinger <cg@exept.de>
parents: 3878
diff changeset
  5308
7f2d4a3b63e2 oops - readLimit was not handled in #atEnd
Claus Gittinger <cg@exept.de>
parents: 3878
diff changeset
  5309
    "Modified: / 30.10.1998 / 20:16:06 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5310
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5311
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5312
canReadWithoutBlocking
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5313
    "return true, if any data is available for reading (i.e.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5314
     a read operation will not block the smalltalk process), false otherwise."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5315
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5316
    |fd|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5317
2986
c6957cf6128f Handle readAhead in #canReadWithoutBlocking
Stefan Vogel <sv@exept.de>
parents: 2963
diff changeset
  5318
    readAhead notNil ifTrue:[^ true].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5319
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5320
    mode == #writeonly ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5321
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5322
    fd := self fileDescriptor.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5323
    ^ OperatingSystem readCheck:fd
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5324
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5325
    "
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5326
     |pipe|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5327
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5328
     pipe := PipeStream readingFrom:'(sleep 10; echo hello)'.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5329
     pipe canReadWithoutBlocking ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5330
	 Transcript showCR:'data available'
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5331
     ] ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5332
	 Transcript showCR:'no data available'
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5333
     ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5334
     pipe close
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5335
    "
2986
c6957cf6128f Handle readAhead in #canReadWithoutBlocking
Stefan Vogel <sv@exept.de>
parents: 2963
diff changeset
  5336
c6957cf6128f Handle readAhead in #canReadWithoutBlocking
Stefan Vogel <sv@exept.de>
parents: 2963
diff changeset
  5337
    "Modified: 25.9.1997 / 13:08:45 / stefan"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5338
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5339
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5340
canWriteWithoutBlocking
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5341
    "return true, if data can be written into the stream
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5342
     (i.e. a write operation will not block the smalltalk process)."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5343
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5344
    |fd|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5345
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5346
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5347
    mode == #readonly ifTrue:[^ self errorReadOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5348
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5349
    fd := self fileDescriptor.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5350
    ^ OperatingSystem writeCheck:fd
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5351
!
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5352
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5353
nextError
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5354
    "return the error by trying to read something.
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5355
     Should only be used, when we know, that a read operation
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5356
     will return an error (otherwise a character may be lost).
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5357
     Return an integer (error number), 0 (EOF) or nil (no error)"
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5358
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5359
%{ /*NOCONTEXT*/
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5360
    FILEPOINTER f;
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5361
    int ret, _buffered;
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5362
    OBJ fp;
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5363
    unsigned char ch;
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5364
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5365
    if (((fp = __INST(filePointer)) != nil)
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5366
	&& (__INST(mode) != @symbol(writeonly))
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5367
    ) {
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5368
	f = __FILEVal(fp);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5369
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5370
	_buffered = (__INST(buffered) == true);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5371
	if (_buffered) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5372
	    __READING__(f)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5373
	}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5374
	__READBYTE__(ret, f, &ch, _buffered);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5375
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5376
	if (ret > 0) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5377
	    RETURN(nil)
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5378
	}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5379
	if (ret < 0) {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5380
	    RETURN(__mkSmallInteger(__threadErrno));
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5381
	} else /* ret == 0 */ {
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5382
	    RETURN(__mkSmallInteger(0)); /* EOF */
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5383
	}
6269
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5384
    }
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5385
%}.
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5386
!
3a888523e3a6 #errorReporter and #reportOn class-methods
Stefan Vogel <sv@exept.de>
parents: 6255
diff changeset
  5387
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5388
numAvailable
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5389
    "return the number of bytes available for reading"
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5390
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5391
    |fd|
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5392
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5393
    filePointer isNil ifTrue:[^ self errorNotOpen].
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5394
    mode == #writeonly ifTrue:[^ self errorWriteOnly].
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5395
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5396
    fd := self fileDescriptor.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5397
    ^ OperatingSystem numAvailableForReadOn:fd.
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5398
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5399
"/    self atEnd ifTrue:[^ 0].
3432
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  5400
"/    self canReadWithoutBlocking ifTrue:[
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  5401
"/        ^ 1
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  5402
"/    ].
1228d4ba9518 allow reading/writing from/to ExternalBytes
Claus Gittinger <cg@exept.de>
parents: 3420
diff changeset
  5403
"/    ^ 0
3274
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5404
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5405
    "Created: / 4.2.1998 / 16:56:01 / cg"
92a24829f14a added #nextAvailableBytes - very useful for pipes & sockets.
Claus Gittinger <cg@exept.de>
parents: 3255
diff changeset
  5406
    "Modified: / 4.2.1998 / 17:31:11 / cg"
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5407
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5408
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5409
!ExternalStream methodsFor:'waiting for I/O'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5410
5101
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5411
canBeSelected
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5412
    "return true, if this stream can be selected upon"
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5413
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5414
    ^ OperatingSystem supportsSelect
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5415
!
901c91d6dd50 support to poll write-fds
Claus Gittinger <cg@exept.de>
parents: 4968
diff changeset
  5416
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5417
readWait
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5418
    "suspend the current process, until the receiver
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5419
     becomes ready for reading. If data is already available,
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5420
     return immediate.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5421
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5422
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5423
    self readWaitWithTimeoutMs:nil
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5424
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5425
3016
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5426
readWaitTimeoutMs:timeout
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5427
    "ST-80 compatibility"
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5428
    ^ self readWaitWithTimeoutMs:timeout
3016
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5429
!
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5430
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5431
readWaitWithTimeout:timeout
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5432
    "suspend the current process, until the receiver
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5433
     becomes ready for reading or a timeout (in seconds) expired.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5434
     If data is already available, return immediate.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5435
     Return true if a timeout occured (i.e. false, if data is available).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5436
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5437
4640
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5438
    |ms|
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5439
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5440
    timeout notNil ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5441
	ms := timeout * 1000
4640
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5442
    ].
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5443
    ^ self readWaitWithTimeoutMs:ms
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5444
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5445
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5446
readWaitWithTimeoutMs:timeout
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5447
    "suspend the current process, until the receiver
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5448
     becomes ready for reading or a timeout (in milliseconds) expired.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5449
     If data is already available, return immediate.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5450
     Return true if a timeout occured (i.e. false, if data is available).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5451
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5452
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5453
    |fd inputSema hasData wasBlocked|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5454
2120
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  5455
    readAhead notNil ifTrue:[^ false].
71c1870df7ba implemented 1-character readAhead for unbuffered streams;
Claus Gittinger <cg@exept.de>
parents: 2045
diff changeset
  5456
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5457
    filePointer isNil ifTrue:[^ self errorNotOpen].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5458
    mode == #writeonly ifTrue:[^ self errorWriteOnly].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5459
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5460
    fd := self fileDescriptor.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5461
    (OperatingSystem readCheck:fd) ifTrue:[^ false].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5462
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5463
    wasBlocked := OperatingSystem blockInterrupts.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5464
    hasData := OperatingSystem readCheck:fd.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5465
    hasData ifFalse:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5466
	inputSema := Semaphore new name:'readWait'.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5467
	[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5468
	    timeout notNil ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5469
		Processor signal:inputSema afterMilliseconds:timeout
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5470
	    ].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5471
	    Processor signal:inputSema onInput:fd.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5472
	    Processor activeProcess state:#ioWait.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5473
	    inputSema wait.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5474
	    Processor disableSemaphore:inputSema.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5475
	    hasData := OperatingSystem readCheck:fd
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5476
	] ifCurtailed:[
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5477
	    Processor disableSemaphore:inputSema.
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5478
	    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5479
	]
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5480
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5481
    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5482
    ^ hasData not
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5483
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5484
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5485
readWriteWait
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5486
    "suspend the current process, until the receiver
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5487
     becomes ready for writing or reading.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5488
     Return immediate if the receiver is already ready.
5506
ffa0d32f4a51 Comment
Stefan Vogel <sv@exept.de>
parents: 5494
diff changeset
  5489
     The other threads are not affected by the wait."
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5491
    self readWriteWaitWithTimeoutMs:nil
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5492
!
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5493
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5494
readWriteWaitWithTimeoutMs:timeout
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5495
    "suspend the current process, until the receiver
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5496
     becomes ready for reading or writing or a timeout (in milliseconds) expired.
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5497
     Return true if a timeout occured (i.e. false, if data is available).
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5498
     Return immediate if the receiver is already ready.
5506
ffa0d32f4a51 Comment
Stefan Vogel <sv@exept.de>
parents: 5494
diff changeset
  5499
     The other threads are not affected by the wait."
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5500
3672
49dff0652a2c fixed readAhead in peek with non-binary mode
Claus Gittinger <cg@exept.de>
parents: 3569
diff changeset
  5501
    |fd sema canReadWrite wasBlocked|
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5502
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5503
    filePointer isNil ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5504
	^ self errorNotOpen
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5505
    ].
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5506
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5507
    fd := self fileDescriptor.
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5508
    (OperatingSystem readWriteCheck:fd) ifTrue:[^ false].
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5509
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5510
    wasBlocked := OperatingSystem blockInterrupts.
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5511
    canReadWrite := OperatingSystem readWriteCheck:fd.
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5512
    canReadWrite ifFalse:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5513
	sema := Semaphore new name:'readWriteWait'.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5514
	[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5515
	    timeout notNil ifTrue:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5516
		Processor signal:sema afterMilliseconds:timeout
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5517
	    ].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5518
	    Processor signal:sema onOutput:fd.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5519
	    Processor signal:sema onInput:fd.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5520
	    Processor activeProcess state:#ioWait.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5521
	    sema wait.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5522
	    Processor disableSemaphore:sema.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5523
	    canReadWrite := OperatingSystem readWriteCheck:fd
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5524
	] ifCurtailed:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5525
	    Processor disableSemaphore:sema.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5526
	    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5527
	]
3490
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5528
    ].
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5529
    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5530
    ^ canReadWrite not
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5531
!
6a87c2b37fd4 added #readWriteWait methods.
Claus Gittinger <cg@exept.de>
parents: 3474
diff changeset
  5532
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5533
writeWait
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5534
    "suspend the current process, until the receiver
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5535
     becomes ready for writing.
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5536
     Return immediate if the receiver is already ready.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5537
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5538
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5539
    self writeWaitWithTimeoutMs:nil
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5540
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5541
3016
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5542
writeWaitTimeoutMs:timeout
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5543
    "ST-80 compatibility"
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5544
    ^ self writeWaitWithTimeoutMs:timeout
3016
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5545
!
42466b291fae more ST80 compatibility
ca
parents: 2999
diff changeset
  5546
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5547
writeWaitWithTimeout:timeout
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5548
    "suspend the current process, until the receiver
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5549
     becomes ready for writing or a timeout (in seconds) expired.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5550
     Return true if a timeout occured (i.e. false, if data is available).
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5551
     Return immediate if the receiver is already ready.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5552
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5553
4640
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5554
    |ms|
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5555
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5556
    timeout notNil ifTrue:[
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5557
	ms := timeout * 1000
4640
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5558
    ].
034c028a5463 care for nil arg in readWaitWithTimeout / writeWaitWithTimeout
Claus Gittinger <cg@exept.de>
parents: 4627
diff changeset
  5559
    ^ self writeWaitWithTimeoutMs:ms
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5560
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5561
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5562
writeWaitWithTimeoutMs:timeout
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5563
    "suspend the current process, until the receiver
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5564
     becomes ready for writing or a timeout (in milliseconds) expired.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5565
     Return true if a timeout occured (i.e. false, if data is available).
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5566
     Return immediate if the receiver is already ready.
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5567
     The other threads are not affected by the wait."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5568
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5569
    |fd outputSema canWrite wasBlocked|
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5570
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5571
    filePointer isNil ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5572
	^ self errorNotOpen
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5573
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5574
    mode == #readonly ifTrue:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5575
	^ self errorReadOnly
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5576
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5577
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5578
    fd := self fileDescriptor.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5579
    (OperatingSystem writeCheck:fd) ifTrue:[^ false].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5580
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5581
    wasBlocked := OperatingSystem blockInterrupts.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5582
    canWrite := OperatingSystem writeCheck:fd.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5583
    canWrite ifFalse:[
7832
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5584
	outputSema := Semaphore new name:'writeWait'.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5585
	[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5586
	    timeout notNil ifTrue:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5587
		Processor signal:outputSema afterMilliseconds:timeout
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5588
	    ].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5589
	    Processor signal:outputSema onOutput:fd.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5590
	    Processor activeProcess state:#ioWait.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5591
	    outputSema wait.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5592
	    Processor disableSemaphore:outputSema.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5593
	    canWrite := OperatingSystem writeCheck:fd
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5594
	] ifCurtailed:[
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5595
	    Processor disableSemaphore:outputSema.
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5596
	    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
f8a02752ca28 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 7806
diff changeset
  5597
	]
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5598
    ].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5599
    wasBlocked ifFalse:[OperatingSystem unblockInterrupts].
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5600
    ^ canWrite not
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5601
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5602
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5603
!ExternalStream methodsFor:'writing'!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5604
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5605
cr
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5606
    "append an end-of-line character (or CRLF if in crlf mode).
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5607
     reimplemented for speed"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5608
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5609
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5610
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5611
    int len, cnt, _buffered;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5612
    OBJ fp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5613
    char *cp;
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5614
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5615
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5616
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5617
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5618
	&& (__INST(binary) != true)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5619
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5620
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5621
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5622
	if (_buffered = (__INST(buffered) == true)) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5623
	    __WRITING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5624
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5625
	{
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5626
	    OBJ mode = __INST(eolMode);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5627
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5628
	    if (mode == @symbol(cr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5629
		cp = "\r"; len = 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5630
	    } else if (mode == @symbol(crlf)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5631
		cp = "\r\n"; len = 2;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5632
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5633
		cp = "\n"; len = 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5634
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5635
	}
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5636
#ifdef WIN32
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5637
	if ((f == stdout) || (f == stderr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5638
	    cnt = fwrite(cp, 1, len, f);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5639
	} else
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5640
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5641
	{
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5642
	    __WRITEBYTES__(cnt, f, cp, len, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5643
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5644
	if (cnt == len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5645
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5646
		INT np = __intVal(__INST(position)) + len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5647
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5648
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  5649
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5650
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5651
		__INST(position) = nil; /* i.e: dont know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5652
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5653
	    RETURN ( self );
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5654
	}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5655
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5656
    }
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5657
%}.
2326
01fa309e48d9 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 2325
diff changeset
  5658
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
01fa309e48d9 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 2325
diff changeset
  5659
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
01fa309e48d9 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 2325
diff changeset
  5660
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
5414
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  5661
    (binary==true) ifTrue:[self errorBinary. ^ self].
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  5662
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  5663
    (eolMode == #cr) ifTrue:[self nextPut:(Character return). ^ self].
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  5664
    (eolMode ~~ #crlf) ifTrue:[self nextPut:(Character nl). ^ self].
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5665
    self nextPut:(Character return).
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5666
    self nextPut:(Character nl).
5414
8557e4e71e51 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 5323
diff changeset
  5667
    ^ self
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5668
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5669
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5670
flush
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5671
    "write all buffered data - ignored if unbuffered"
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5672
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5673
%{
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5674
    OBJ fp;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5675
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5676
    __INST(lastErrorNumber) = nil;
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5677
    if ((fp = __INST(filePointer)) != nil) {
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5678
	if (__INST(mode) != @symbol(readonly)) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5679
	    if (__INST(buffered) == true) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5680
		FILEPOINTER f = __FILEVal(fp);
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5681
#ifdef WIN32
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5682
		if ((f == stdout) || (f == stderr)) {
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5683
		    fflush(f);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5684
		} else
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5685
#endif
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5686
		{
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5687
#ifdef WIN32
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5688
# ifdef NO_STDIO
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5689
		    FFLUSH(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5690
# else
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5691
		    __BEGIN_INTERRUPTABLE__
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5692
		    FFLUSH(f);
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5693
		    __END_INTERRUPTABLE__
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5694
# endif
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5695
#else
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5696
		    __BEGIN_INTERRUPTABLE__
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5697
		    FFLUSH(f);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5698
		    __END_INTERRUPTABLE__
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5699
#endif
7051
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5700
		}
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5701
	    }
984d8271d06b preps for 0-based stream positions
Claus Gittinger <cg@exept.de>
parents: 7017
diff changeset
  5702
	}
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5703
    }
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5704
%}
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5705
!
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5706
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5707
nextPut:aCharacter
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5708
    "write the argument, aCharacter - return nil if failed, self if ok.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5709
     Only single-byte characters are currently supported"
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5710
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5711
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5712
    FILEPOINTER f;
8209
908ba4b9543e check for written characters to be in 00..FF
Claus Gittinger <cg@exept.de>
parents: 8074
diff changeset
  5713
    unsigned codePoint;
908ba4b9543e check for written characters to be in 00..FF
Claus Gittinger <cg@exept.de>
parents: 8074
diff changeset
  5714
    unsigned char c;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5715
    int cnt, _buffered;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5716
    OBJ fp;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5717
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5718
    __INST(lastErrorNumber) = nil;
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5719
    if (((fp = __INST(filePointer)) != nil)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5720
	&& (__INST(mode) != @symbol(readonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5721
    ) {
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5722
	if (__INST(binary) != true) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5723
	    if (__isCharacter(aCharacter)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5724
		codePoint = __intVal(__characterVal(aCharacter));
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5725
		if (codePoint <= 0xFF) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5726
		    c = codePoint;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5727
    doWrite:
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5728
		    f = __FILEVal(fp);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5729
		    if (! f) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5730
			fprintf(stderr, "oops - fileHandle is NULL in nextPut:\n");
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5731
			__INST(filePointer) = nil;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5732
			goto out;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5733
		    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5734
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5735
		    if (_buffered = (__INST(buffered) == true)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5736
			__WRITING__(f)
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5737
		    }
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5738
#ifdef WIN32
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5739
		    if ((f == stdout) || (f == stderr)) {
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5740
			cnt = fwrite(&c, 1, 1, f);
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5741
		    } else
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5742
#endif
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5743
		    __WRITEBYTE__(cnt, f, &c, _buffered);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5744
		    if (cnt == 1) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5745
			if (__isSmallInteger(__INST(position))) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5746
			    INT np = __intVal(__INST(position)) + 1;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5747
			    OBJ t;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5748
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  5749
			    t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5750
			} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5751
			    __INST(position) = nil; /* i.e. do not know */
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5752
			}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5753
			RETURN ( self );
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5754
		    }
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5755
		    __INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5756
		}
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5757
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5758
	} else {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5759
	    if (__isSmallInteger(aCharacter)) {
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5760
		c = __intVal(aCharacter);
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5761
		goto doWrite;
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5762
	    }
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5763
	}
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5764
    }
7737
616d849b7838 fileHandle check
Claus Gittinger <cg@exept.de>
parents: 7700
diff changeset
  5765
out: ;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5766
%}.
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5767
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5768
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5769
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
5417
0478ac31e042 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 5414
diff changeset
  5770
    binary == true ifFalse:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5771
	(aCharacter isCharacter not
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5772
	or:[aCharacter codePoint > 16rFF]) ifTrue:[
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5773
	    self argumentMustBeCharacter.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5774
	    ^ self.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5775
	].
5417
0478ac31e042 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 5414
diff changeset
  5776
    ] ifTrue:[
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5777
	aCharacter isInteger ifFalse:[
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5778
	    self argumentMustBeInteger.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5779
	    ^ self.
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5780
	].
5417
0478ac31e042 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 5414
diff changeset
  5781
    ].
0478ac31e042 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 5414
diff changeset
  5782
    "/ migration support
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5783
    self
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5784
	nextPutByte:aCharacter asInteger
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5785
	toFile:filePointer
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5786
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5787
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5788
nextPutAll:aCollection
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5789
    "write all elements of the argument, aCollection.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5790
     Reimplemented for speed when writing strings or byteArrays.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5791
     For others, falls back to general method in superclass."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5792
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5793
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5794
    FILEPOINTER f;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5795
    int len, cnt;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5796
    OBJ fp;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5797
    int _buffered;
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5798
    int o_offs;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5799
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5800
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5801
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5802
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5803
	&& (__INST(mode) != @symbol(readonly))
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5804
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5805
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5806
	if (! f) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5807
	    fprintf(stderr, "oops - fileHandle is NULL in nextPutAll:\n");
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5808
	    __INST(filePointer) = nil;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5809
	    goto out;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5810
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5811
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5812
	    __WRITING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5813
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5814
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5815
	if (__isString(aCollection) || __isSymbol(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5816
	    len = __stringSize(aCollection);
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5817
#ifdef WIN32
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5818
	    if ((f == stdout) || (f == stderr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5819
		cnt = fwrite(__stringVal(aCollection), 1, len, f);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5820
	    } else
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5821
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5822
	    {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5823
		o_offs = (char *)__stringVal(aCollection)-(char *)__InstPtr(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5824
		__WRITEBYTES_OBJ__(cnt, f, aCollection, o_offs, len, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5825
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5826
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5827
	    if (__INST(binary) == true) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5828
		int offs;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5829
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5830
		if (__isByteArray(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5831
		    offs = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5832
		    len = __byteArraySize(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5833
		} else if (__isBytes(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5834
		    offs = __OBJS2BYTES__(__intVal(__ClassInstPtr(__qClass(aCollection))->c_ninstvars));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5835
		    len = __byteArraySize(aCollection) - offs;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5836
		} else
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5837
		    goto out;
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5838
#ifdef WIN32
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5839
		if ((f == stdout) || (f == stderr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5840
		    cnt = fwrite(__stringVal(aCollection), 1, len, f);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5841
		} else
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5842
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5843
		{
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5844
		    o_offs = (char *)(__ByteArrayInstPtr(aCollection)->ba_element) - (char *)__InstPtr(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5845
		    o_offs += offs;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5846
		    __WRITEBYTES_OBJ__(cnt, f, aCollection, o_offs, len, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5847
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5848
	    } else
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5849
		goto out;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5850
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5851
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5852
	if (cnt == len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5853
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5854
		INT np = __intVal(__INST(position)) + len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5855
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5856
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  5857
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5858
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5859
		__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5860
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5861
	    RETURN (self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5862
	}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5863
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5864
    }
1478
aae07192b7d1 labels in empty statements need a semi
Claus Gittinger <cg@exept.de>
parents: 1469
diff changeset
  5865
out: ;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5866
%}.
2331
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5867
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5868
    filePointer isNil ifTrue:[self errorNotOpen. ^ self].
d6ddf452adc9 return codes in error cases
Claus Gittinger <cg@exept.de>
parents: 2326
diff changeset
  5869
    (mode == #readonly) ifTrue:[self errorReadOnly. ^ self].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5870
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5871
    ^ super nextPutAll:aCollection
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5872
!
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5873
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5874
nextPutAll:aCollection startingAt:start to:stop
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5875
    "write a range of elements of the argument, aCollection.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5876
     Reimplemented for speed when writing strings or byteArrays.
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5877
     For others, falls back to general method in superclass."
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5878
1067
1e7959af0821 removed all NOCONTEXT (last version did no good - PROTECT-stack overflow ...)
Claus Gittinger <cg@exept.de>
parents: 1066
diff changeset
  5879
%{
2593
d678527ef34e changes for NT; prepare to use HANDLES instead of FILES (NT)
Claus Gittinger <cg@exept.de>
parents: 2591
diff changeset
  5880
    FILEPOINTER f;
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5881
    int offs, len, cnt, iStart, iStop, _buffered;
7875
eb7d48b0425d made all position-handling code 32bit save
Claus Gittinger <cg@exept.de>
parents: 7832
diff changeset
  5882
    OBJ fp;
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5883
    int o_offs;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5884
1133
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5885
    __INST(lastErrorNumber) = nil;
961f2b095c22 underline cleanup
Claus Gittinger <cg@exept.de>
parents: 1119
diff changeset
  5886
    if (((fp = __INST(filePointer)) != nil)
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5887
	&& (__INST(mode) != @symbol(readonly))
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5888
	&& __bothSmallInteger(start, stop)
1463
ace6b72b6f4a Use common macros to make interruptable system calls signal proof.
Stefan Vogel <sv@exept.de>
parents: 1422
diff changeset
  5889
    ) {
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5890
	f = __FILEVal(fp);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5891
	if (_buffered = (__INST(buffered) == true)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5892
	    __WRITING__(f)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5893
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5894
	iStart = __intVal(start);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5895
	iStop = __intVal(stop);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5896
	if ((iStart < 1) || (iStop < iStart)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5897
	    RETURN(self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5898
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5899
	if (__isString(aCollection) || __isSymbol(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5900
	    len = __stringSize(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5901
	    if (iStop > len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5902
		RETURN(self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5903
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5904
	    if (iStop > len)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5905
		iStop = len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5906
	    len = iStop - iStart + 1;
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5907
#ifdef WIN32
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5908
	    if ((f == stdout) || (f == stderr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5909
		cnt = fwrite(__stringVal(aCollection)+iStart-1, 1, len, f);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5910
	    } else
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5911
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5912
	    {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5913
		o_offs = (char *)__stringVal(aCollection)-(char *)__InstPtr(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5914
		__WRITEBYTES_OBJ__(cnt, f, aCollection, o_offs+iStart-1, len, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5915
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5916
	} else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5917
	    if (__INST(binary) == true) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5918
		int offs;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5919
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5920
		if (__isByteArray(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5921
		    offs = 0;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5922
		    len = __byteArraySize(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5923
		} else if (__isBytes(aCollection)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5924
		    offs = __OBJS2BYTES__(__intVal(__ClassInstPtr(__qClass(aCollection))->c_ninstvars));
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5925
		    len = __byteArraySize(aCollection) - offs;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5926
		} else
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5927
		    goto out;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5928
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5929
		if (iStop > len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5930
		    RETURN(self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5931
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5932
		if (iStop > len)
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5933
		    iStop = len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5934
		len = iStop - iStart + 1;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5935
		offs += iStart - 1;
4913
4964b2c71d31 remerged ExtSTream_win32 into ExtStream.
Claus Gittinger <cg@exept.de>
parents: 4640
diff changeset
  5936
#ifdef WIN32
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5937
		if ((f == stdout) || (f == stderr)) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5938
		    cnt = fwrite(__stringVal(aCollection)+iStart-1, 1, len, f);
8818
4b1ffc19e3ce remerged WIN32 and Unix versions into common source
Claus Gittinger <cg@exept.de>
parents: 8616
diff changeset
  5939
		} else
2513
a589586a3828 big bug: READBYTES & WRITEBYTES did not care for moving objects when interrupted.
Claus Gittinger <cg@exept.de>
parents: 2331
diff changeset
  5940
#endif
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5941
		{
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5942
		    o_offs = (char *)(__ByteArrayInstPtr(aCollection)->ba_element)-(char *)__InstPtr(aCollection);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5943
		    __WRITEBYTES_OBJ__(cnt, f,  aCollection, o_offs+offs, len, _buffered);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5944
		}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5945
	    } else
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5946
		goto out;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5947
	}
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5948
	if (cnt == len) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5949
	    if (__isSmallInteger(__INST(position))) {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5950
		INT np = __intVal(__INST(position)) + len;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5951
		OBJ t;
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5952
8881
53e94478133f STORE macro fix (gcc3.4 bug)
Claus Gittinger <cg@exept.de>
parents: 8818
diff changeset
  5953
		t = __MKINT(np); __INST(position) = t; __STORE(self, t);
8070
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5954
	    } else {
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5955
		__INST(position) = nil; /* i.e. do not know */
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5956
	    }
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5957
	    RETURN (self);
2fec8e67e119 *** empty log message ***
Claus Gittinger <cg@exept.de>
parents: 8069
diff changeset
  5958
	}
8913
b9498d27a554 64bit; mkSmallInteger
Claus Gittinger <cg@exept.de>
parents: 8901
diff changeset
  5959
	__INST(lastErrorNumber) = __mkSmallInteger(__threadErrno);
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5960
    }
1478
aae07192b7d1 labels in empty statements need a semi
Claus Gittinger <cg@exept.de>
parents: 1469
diff changeset
  5961
out: ;
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5962
%}.
7801
d930c353588d writeError: care for EWOULDBLOCK in nonBlocking case.
penk
parents: 7737
diff changeset
  5963
    lastErrorNumber notNil ifTrue:[self writeError. ^ self].
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5964
    ^ super nextPutAll:aCollection startingAt:start to:stop
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5965
! !
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5966
2045
1ad17ca6520f fall back to super>>nextPutLine: if argument is not a string.
Claus Gittinger <cg@exept.de>
parents: 2044
diff changeset
  5967
!ExternalStream class methodsFor:'documentation'!
730
62643519bf68 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 711
diff changeset
  5968
62643519bf68 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 711
diff changeset
  5969
version
9053
f3f3d48d6f44 fix writing to stdout/stderr for winstx non-console operation
Claus Gittinger <cg@exept.de>
parents: 9024
diff changeset
  5970
    ^ '$Header: /cvs/stx/stx/libbasic/ExternalStream.st,v 1.297 2005-12-23 16:25:53 cg Exp $'
730
62643519bf68 checkin from browser
Claus Gittinger <cg@exept.de>
parents: 711
diff changeset
  5971
! !
6804
caf6a4521d4c added utility: ExternalStream >> copyToEndInto:
Claus Gittinger <cg@exept.de>
parents: 6758
diff changeset
  5972
612
e640bef6170e checkin from browser
Claus Gittinger <cg@exept.de>
parents: 593
diff changeset
  5973
ExternalStream initialize!