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/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
void *
libsimple_memrcasechr(const void *s_, int c, size_t n_)
{
char *s = *(char **)(void *)&s_;
ssize_t n = n_;
c = tolower(c);
while (n-- && tolower(s[n]) != c);
return n < 0 ? NULL : &s[n];
}
#else
#include "test.h"
int
main(void)
{
assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "ABC"));
assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "C"));
assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "ABC"));
assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "C"));
assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "abc"));
assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "c"));
assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "abc"));
assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "c"));
assert(!libsimple_memrcasechr("abcABCabcABC", 'x', sizeof("abcABCabcABC") - 1));
return 0;
}
#endif
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