1 #include <sys/stat.h>

     2 #include <stdlib.h>

     3 #include <stdio.h>

     4 #include <time.h>

     5 #include "expat.h"

     6 

     7 #if defined(__amigaos__) && defined(__USE_INLINE__)

     8 #include <proto/expat.h>

     9 #endif

    10 

    11 #ifdef XML_LARGE_SIZE

    12 #define XML_FMT_INT_MOD "ll"

    13 #else

    14 #define XML_FMT_INT_MOD "l"

    15 #endif

    16 

    17 static void

    18 usage(const char *prog, int rc)

    19 {

    20   fprintf(stderr,

    21           "usage: %s [-n] filename bufferSize nr_of_loops\n", prog);

    22   exit(rc);

    23 }

    24 

    25 int main (int argc, char *argv[]) 

    26 {

    27   XML_Parser  parser;

    28   char        *XMLBuf, *XMLBufEnd, *XMLBufPtr;

    29   FILE        *fd;

    30   struct stat fileAttr;

    31   int         nrOfLoops, bufferSize, fileSize, i, isFinal;

    32   int         j = 0, ns = 0;

    33   clock_t     tstart, tend;

    34   double      cpuTime = 0.0;

    35 

    36   if (argc > 1) {

    37     if (argv[1][0] == '-') {

    38       if (argv[1][1] == 'n' && argv[1][2] == '\0') {

    39         ns = 1;

    40         j = 1;

    41       }

    42       else

    43         usage(argv[0], 1);

    44     }

    45   }

    46 

    47   if (argc != j + 4)

    48     usage(argv[0], 1);

    49 

    50   if (stat (argv[j + 1], &fileAttr) != 0) {

    51     fprintf (stderr, "could not access file '%s'\n", argv[j + 1]);

    52     return 2;

    53   }

    54   

    55   fd = fopen (argv[j + 1], "r");

    56   if (!fd) {

    57     fprintf (stderr, "could not open file '%s'\n", argv[j + 1]);

    58     exit(2);

    59   }

    60   

    61   bufferSize = atoi (argv[j + 2]);

    62   nrOfLoops = atoi (argv[j + 3]);

    63   if (bufferSize <= 0 || nrOfLoops <= 0) {

    64     fprintf (stderr, 

    65              "buffer size and nr of loops must be greater than zero.\n");

    66     exit(3);

    67   }

    68 

    69   XMLBuf = malloc (fileAttr.st_size);

    70   fileSize = fread (XMLBuf, sizeof (char), fileAttr.st_size, fd);

    71   fclose (fd);

    72   

    73   if (ns)

    74     parser = XML_ParserCreateNS(NULL, '!');

    75   else

    76     parser = XML_ParserCreate(NULL);

    77 

    78   i = 0;

    79   XMLBufEnd = XMLBuf + fileSize;

    80   while (i < nrOfLoops) {

    81     XMLBufPtr = XMLBuf;

    82     isFinal = 0;

    83     tstart = clock();

    84     do {

    85       int parseBufferSize = XMLBufEnd - XMLBufPtr;

    86       if (parseBufferSize <= bufferSize)

    87         isFinal = 1;

    88       else

    89         parseBufferSize = bufferSize;

    90       if (!XML_Parse (parser, XMLBufPtr, parseBufferSize, isFinal)) {

    91         fprintf (stderr, "error '%s' at line %" XML_FMT_INT_MOD \

    92                      "u character %" XML_FMT_INT_MOD "u\n",

    93                  XML_ErrorString (XML_GetErrorCode (parser)),

    94                  XML_GetCurrentLineNumber (parser),

    95                  XML_GetCurrentColumnNumber (parser));

    96         free (XMLBuf);

    97         XML_ParserFree (parser);

    98         exit (4);

    99       }

   100       XMLBufPtr += bufferSize;

   101     } while (!isFinal);

   102     tend = clock();

   103     cpuTime += ((double) (tend - tstart)) / CLOCKS_PER_SEC;

   104     XML_ParserReset(parser, NULL);

   105     i++;

   106   }

   107 

   108   XML_ParserFree (parser);

   109   free (XMLBuf);

   110       

   111   printf ("%d loops, with buffer size %d. Average time per loop: %f\n", 

   112           nrOfLoops, bufferSize, cpuTime / (double) nrOfLoops);

   113   return 0;

   114 }