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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
void *
libsimple_memcasechr_inv(const void *s_, int c, size_t n)
{
char *s = *(char **)(void *)&s_;
size_t i = 0;
c = tolower(c);
for (; i < n && tolower(s[i]) == c; i++);
return i < n ? &s[i] : NULL;
}
#else
#include "test.h"
int
main(void)
{
assert(!strcmpnul(libsimple_memcasechr_inv("xxoxx", 'x', 5), "oxx"));
assert(!strcmpnul(libsimple_memcasechr_inv("xxXxx", 'x', 5), NULL));
assert(!strcmpnul(libsimple_memcasechr_inv("XXoxx", 'x', 5), "oxx"));
assert(!strcmpnul(libsimple_memcasechr_inv("zzzzz", 'z', 5), NULL));
assert(!strcmpnul(libsimple_memcasechr_inv("zzzzx", 'z', 3), NULL));
return 0;
}
#endif
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