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
48
|
/*
* Copyright (c) 2007 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <config.h>
#include <compat.h>
#ifndef lint
__unused static const char rcsid[] = "$Sudo: memrchr.c,v 1.1.2.2 2007/06/19 21:00:35 millert Exp $";
#endif /* lint */
#include <sys/types.h>
#include <config.h>
/*
* Reverse memchr()
* Find the last occurence of 'c' in the buffer 's' of size 'n'.
*/
VOID *
memrchr(s, c, n)
const VOID *s;
int c;
size_t n;
{
const unsigned char *cp;
if (n != 0) {
cp = (unsigned char *)s + n;
do {
if (*(--cp) == (unsigned char)c)
return((VOID *)cp);
} while (--n != 0);
}
return((VOID *)0);
}
|
