1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
void *
libsimple_memrchr(const void *s_, int c_, size_t n_)
{
char *s = *(char **)(void *)&s_, c = (char)c_;
ssize_t n = (ssize_t)n_;
while (n-- && s[n] != c);
return n < 0 ? NULL : &s[n];
}
#else
#include "test.h"
int
main(void)
{
assert(!strcmpnul(libsimple_memrchr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "abcABC"));
assert(!strcmpnul(libsimple_memrchr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "cABC"));
assert(!strcmpnul(libsimple_memrchr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "ABC"));
assert(!strcmpnul(libsimple_memrchr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "C"));
assert(!strcmpnul(libsimple_memrchr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "abc"));
assert(!strcmpnul(libsimple_memrchr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "c"));
assert(!strcmpnul(libsimple_memrchr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "ABCabc"));
assert(!strcmpnul(libsimple_memrchr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "Cabc"));
assert(!libsimple_memrchr("abcABCabcABC", 'x', sizeof("abcABCabcABC") - 1));
return 0;
}
#endif
|
