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/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
void *
libsimple_memrchr(const void *s_, int c, size_t n_)
{
char *s = *(char **)(void *)&s_;
ssize_t n = n_;
while (n-- && (int)s[n] != c);
return n < 0 ? NULL : &s[n];
}
#ifdef TEST
#include <assert.h>
int
main(void)
{
assert(!strcmp(libsimple_memrchr("1234512345", '3', sizeof("1234512345") - 1), "345"));
assert(!strcmp(libsimple_memrchr("1234512345", '5', sizeof("1234512345") - 1), "5"));
assert(!libsimple_memrchr("1234512345", 'x', sizeof("1234512345") - 1));
return 0;
}
#endif
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