/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
char *
libsimple_strrncasestr(const char *h_, const char *n, size_t len)
{
char *h = *(char **)(void *)&h_;
size_t hn = strlen(h);
size_t nn = strlen(n);
hn = MIN(hn, len);
nn = MIN(nn, len);
if (!nn)
return &h[hn];
if (hn < nn)
return NULL;
for (h += hn -= nn; hn--; h--)
if (!strncasecmp(h, n, nn))
return h;
if (!strncasecmp(h, n, nn))
return h;
return NULL;
}
#else
#include "test.h"
int
main(void)
{
assert(!strcmpnul(libsimple_strrncasestr("", "", 10), ""));
assert(!strcmpnul(libsimple_strrncasestr("test", "", 10), ""));
assert(!libsimple_strrncasestr("", "test", 10));
assert(!libsimple_strrncasestr("t", "test", 10));
assert(!strcmpnul(libsimple_strrncasestr("test", "t", 10), "t"));
assert(!strcmpnul(libsimple_strrncasestr("test", "e", 10), "est"));
assert(!strcmpnul(libsimple_strrncasestr("test", "s", 10), "st"));
assert(!libsimple_strrncasestr("test", "x", 10));
assert(!strcmpnul(libsimple_strrncasestr("test", "te", 10), "test"));
assert(!strcmpnul(libsimple_strrncasestr("test", "es", 10), "est"));
assert(!strcmpnul(libsimple_strrncasestr("test", "st", 10), "st"));
assert(!libsimple_strrncasestr("test", "xx", 10));
assert(!strcmpnul(libsimple_strrncasestr("abc", "c", 10), "c"));
assert(!strcmpnul(libsimple_strrncasestr("abc", "bc", 10), "bc"));
assert(!strcmpnul(libsimple_strrncasestr("abc", "abc", 10), "abc"));
assert(!strcmpnul(libsimple_strrncasestr("abcabc", "bc", 10), "bc"));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "", 10), ""));
assert(!libsimple_strrncasestr("T", "test", 10));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "t", 10), "T"));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "e", 10), "EST"));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "s", 10), "ST"));
assert(!libsimple_strrncasestr("TEST", "x", 10));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "te", 10), "TEST"));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "es", 10), "EST"));
assert(!strcmpnul(libsimple_strrncasestr("TEST", "st", 10), "ST"));
assert(!libsimple_strrncasestr("TEST", "xx", 10));
assert(!strcmpnul(libsimple_strrncasestr("ABC", "c", 10), "C"));
assert(!strcmpnul(libsimple_strrncasestr("ABC", "bc", 10), "BC"));
assert(!strcmpnul(libsimple_strrncasestr("ABC", "abc", 10), "ABC"));
assert(!strcmpnul(libsimple_strrncasestr("ABCABC", "bc", 10), "BC"));
assert(!libsimple_strrncasestr("", "TEST", 10));
assert(!libsimple_strrncasestr("t", "TEST", 10));
assert(!strcmpnul(libsimple_strrncasestr("test", "T", 10), "t"));
assert(!strcmpnul(libsimple_strrncasestr("test", "E", 10), "est"));
assert(!strcmpnul(libsimple_strrncasestr("test", "S", 10), "st"));
assert(!libsimple_strrncasestr("test", "X", 10));
assert(!strcmpnul(libsimple_strrncasestr("test", "TE", 10), "test"));
assert(!strcmpnul(libsimple_strrncasestr("test", "ES", 10), "est"));
assert(!strcmpnul(libsimple_strrncasestr("test", "ST", 10), "st"));
assert(!libsimple_strrncasestr("test", "XX", 10));
assert(!strcmpnul(libsimple_strrncasestr("abc", "C", 10), "c"));
assert(!strcmpnul(libsimple_strrncasestr("abc", "BC", 10), "bc"));
assert(!strcmpnul(libsimple_strrncasestr("abc", "ABC", 10), "abc"));
assert(!strcmpnul(libsimple_strrncasestr("abcabc", "BC", 10), "bc"));
assert(!libsimple_strrncasestr("abcdefgh", "def", 2));
assert(!libsimple_strrncasestr("abcdefgh", "DEF", 2));
assert(!libsimple_strrncasestr("ABCDEFGH", "def", 2));
return 0;
}
#endif
