rpm-build/rpmio/strcasecmp.c
2002-03-25 20:16:26 +00:00

49 lines
747 B
C

/** \ingroup rpmio
* \file rpmio/strcasecmp.c
*/
#include "system.h"
#include "rpmio.h"
#include "debug.h"
int xstrcasecmp(const char * s1, const char * s2)
{
const char * p1 = s1;
const char * p2 = s2;
char c1, c2;
if (p1 == p2)
return 0;
do
{
c1 = xtolower (*p1++);
c2 = xtolower (*p2++);
if (c1 == '\0')
break;
}
while (c1 == c2);
return (int)(c1 - c2);
}
int xstrncasecmp(const char *s1, const char *s2, size_t n)
{
const char * p1 = s1;
const char * p2 = s2;
char c1, c2;
if (p1 == p2 || n == 0)
return 0;
do
{
c1 = xtolower (*p1++);
c2 = xtolower (*p2++);
if (c1 == '\0' || c1 != c2)
break;
} while (--n > 0);
return (int)(c1 - c2);
}