hvirtual/libmpeg3/video/mmxtest.c

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#include "mpeg3private.h"
#include "mpeg3protos.h"

#include <stdio.h>
#include <string.h>

int mpeg3_mmx_test()
{
        int result = 0;
        FILE *proc;
        char string[MPEG3_STRLEN];


#ifdef HAVE_MMX
        if(!(proc = fopen(MPEG3_PROC_CPUINFO, "r")))
        {
                fprintf(stderr, "mpeg3_mmx_test: failed to open /proc/cpuinfo\n");
                return 0;
        }
        
        while(!feof(proc))
        {
                fgets(string, MPEG3_STRLEN, proc);
/* Got the flags line */
                if(!strncasecmp(string, "flags", 5))
                {
                        char *needle;
                        needle = strstr(string, "mmx");
                        if(!needle)
            {
                fclose(proc);
                return 0;
            }
                        if(!strncasecmp(needle, "mmx", 3))
            {
                fclose(proc);
                return 1;
            }
                }
        }
        fclose(proc);
#endif

        return 0;
}

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