mirror of
https://github.com/moparisthebest/curl
synced 2024-11-08 18:45:05 -05:00
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
|
|
#include "setup.h"
|
|
|
|
#include "curl_memrchr.h"
|
|
|
|
#define _MPRINTF_REPLACE /* use our functions only */
|
|
#include <curl/mprintf.h>
|
|
|
|
#include "curl_memory.h"
|
|
/* The last #include file should be: */
|
|
#include "memdebug.h"
|
|
|
|
#ifndef HAVE_MEMRCHR
|
|
|
|
/*
|
|
* Curl_memrchr()
|
|
*
|
|
* Our memrchr() function clone for systems which lack this function. The
|
|
* memrchr() function is like the memchr() function, except that it searches
|
|
* backwards from the end of the n bytes pointed to by s instead of forward
|
|
* from the beginning.
|
|
*/
|
|
|
|
void *
|
|
Curl_memrchr(const void *s, int c, size_t n)
|
|
{
|
|
const unsigned char *p = s;
|
|
const unsigned char *q = s;
|
|
|
|
p += n - 1;
|
|
|
|
while (p >= q) {
|
|
if (*p == (unsigned char)c)
|
|
return (void *)p;
|
|
p--;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#endif /* HAVE_MEMRCHR */
|