blob: 0bb67b2e5b9ed119f91659131f5abe2725bc7d08 (
plain)
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
|
/*
* Copyright (C) 2002 Manuel Novoa III
* Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include "_string.h"
libc_hidden_proto(memrchr)
void *memrchr(const void *s, int c, size_t n)
{
register const unsigned char *r;
#ifdef __BCC__
/* bcc can optimize the counter if it thinks it is a pointer... */
register const char *np = (const char *) n;
#else
#define np n
#endif
r = ((unsigned char *)s) + ((size_t) np);
while (np) {
if (*--r == ((unsigned char)c)) {
return (void *) r; /* silence the warning */
}
--np;
}
return NULL;
}
#undef np
libc_hidden_def(memrchr)
|
