libmpeg3/video/mmxtest.c

   1 #include "mpeg3private.h"
   2 #include "mpeg3protos.h"
   3
   4 #include <stdio.h>
   5 #include <string.h>
   6
   7 int mpeg3_mmx_test()
   8 {
   9         int result = 0;
  10         FILE *proc;
  11         char string[MPEG3_STRLEN];
  12
  13
  14 #ifdef HAVE_MMX
  15         if(!(proc = fopen(MPEG3_PROC_CPUINFO, "r")))
  16         {
  17                 fprintf(stderr, "mpeg3_mmx_test: failed to open /proc/cpuinfo\n");
  18                 return 0;
  19         }
  20
  21         while(!feof(proc))
  22         {
  23                 fgets(string, MPEG3_STRLEN, proc);
  24 /* Got the flags line */
  25                 if(!strncasecmp(string, "flags", 5))
  26                 {
  27                         char *needle;
  28                         needle = strstr(string, "mmx");
  29                         if(!needle)
  30             {
  31                 fclose(proc);
  32                 return 0;
  33             }
  34                         if(!strncasecmp(needle, "mmx", 3))
  35             {
  36                 fclose(proc);
  37                 return 1;
  38             }
  39                 }
  40         }
  41         fclose(proc);
  42 #endif
  43
  44         return 0;
  45 }