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      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 }
    115