/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2011, 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. * ***************************************************************************/ #include "curl_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 */