UninterpretedBytes.st
author claus
Tue, 16 May 1995 19:09:45 +0200
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 COPYRIGHT (c) 1993 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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ByteArray subclass:#UninterpretedBytes
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       instanceVariableNames:''
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       classVariableNames:''
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       poolDictionaries:''
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       category:'Kernel-Objects'
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!
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UninterpretedBytes comment:'
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COPYRIGHT (c) 1993 by Claus Gittinger
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	      All Rights Reserved
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$Header: /cvs/stx/stx/libbasic/UninterpretedBytes.st,v 1.10 1995-03-18 05:06:37 claus Exp $
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'!
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!UninterpretedBytes class methodsFor:'documentation'!
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copyright
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 COPYRIGHT (c) 1993 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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version
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$Header: /cvs/stx/stx/libbasic/UninterpretedBytes.st,v 1.10 1995-03-18 05:06:37 claus Exp $
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documentation
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    this class has been added for ST-80 compatibility.
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    Notice, that in ST/X all functionality is inherited from 
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    ByteArray - have a look at this for more.
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! !
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!UninterpretedBytes class methodsFor:'queries'!
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isBigEndian
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    "return true, if words/shorts store the most-significant
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     byte first (MSB), false if least-sign.-first (LSB). 
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     I.e. false for vax, intel; true for m68k, sun."
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%{  /* NOCONTEXT */
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    /*
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     * I dont like ifdefs - you always forget some ...
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     * therefore we look into a structure at run-time
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     */
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    union {
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	unsigned int   u_l;
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	char           u_c[sizeof(int)];
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    } u;
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    u.u_l = 0x87654321;
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    if (u.u_c[0] == 0x21) RETURN (false);
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    RETURN (true);
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%}
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    "UninterpretedBytes isBigEndian"
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! !