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
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
char *
libsimple_strrnchr(const char *s_, int c_, size_t n)
{
char *s = *(char **)(void *)&s_, c = (char)c_;
char *end = &s[n], *r = NULL;
for (; s != end; s++) {
if (*s == c)
r = s;
if (!*s)
break;
}
return r;
}
#else
#include "test.h"
int
main(void)
{
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", 'a', 13), "abcABC"));
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", 'c', 13), "cABC"));
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", 'A', 13), "ABC"));
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", 'C', 13), "C"));
assert(!strcmpnul(libsimple_strrnchr("ABCabcABCabc", 'a', 13), "abc"));
assert(!strcmpnul(libsimple_strrnchr("ABCabcABCabc", 'c', 13), "c"));
assert(!strcmpnul(libsimple_strrnchr("ABCabcABCabc", 'A', 13), "ABCabc"));
assert(!strcmpnul(libsimple_strrnchr("ABCabcABCabc", 'C', 13), "Cabc"));
assert(!libsimple_strrnchr("abcABCabcABC", 'x', 13));
assert(!libsimple_strrnchr("abcABCabcABC", 'x', 20));
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", '\0', 13), ""));
assert(!strcmpnul(libsimple_strrnchr("abcABCabcABC", '\0', 20), ""));
assert(!libsimple_strrnchr("abcABCabcABC", '\0', 3));
assert(!libsimple_strrnchr("abcdef", 'd', 3));
assert(!libsimple_strrnchr("abcdef", 'e', 3));
assert(!strcmpnul(libsimple_strrnchr("123123", '1', 7), "123"));
assert(!strcmpnul(libsimple_strrnchr("123123", '3', 7), "3"));
return 0;
}
#endif
|
