stricmp

stricmp

int ftg_stricmp(const char *s1, const char *s2)
{
	int result;
	const char *p1;
	const char *p2;
    if ( s1==s2)
        return 0;
    
    p1 = s1;
    p2 = s2;
    result = 0;
    if ( p1 == p2 )
        return result;
    
    while (!result)
    {
        result = tolower(*p1) - tolower(*p2);
        if ( *p1 == '\0' )
            break;
        ++p1;
        ++p2;
    }
    
    return result;		
}

ifdef WIN32

void perf_stricmp_w32(void)
{
const unsigned long REPS=10000000; /* default is 10mil */
char s1[] = "dogeatdogisSTORYOFMYLIFE";
char s2[] = "DOGEATDOGISSTORYOFMYLIFE";
unsigned long i;
LARGE_INTEGER frequency;
LARGE_INTEGER start;
LARGE_INTEGER end;
double interval;

printf("running perf_stricmp %lu times\n", REPS);

QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&start);

for (i = 0; i < REPS; ++i)
{
    int result = ftg_stricmp(s1, s2);
}

QueryPerformanceCounter(&end);

interval = (double) (end.QuadPart - start.QuadPart) / frequency.QuadPart;
printf("interval: %f\n", interval);

}

endif