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61 lines
1.7 KiB
61 lines
1.7 KiB
/*************************************************************************** |
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* _ _ ____ _ |
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* Project ___| | | | _ \| | |
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* / __| | | | |_) | | |
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* | (__| |_| | _ <| |___ |
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* \___|\___/|_| \_\_____| |
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* |
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* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al. |
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* |
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* This software is licensed as described in the file COPYING, which |
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* you should have received as part of this distribution. The terms |
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* are also available at https://curl.haxx.se/docs/copyright.html. |
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* |
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell |
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* copies of the Software, and permit persons to whom the Software is |
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* furnished to do so, under the terms of the COPYING file. |
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* |
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
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* KIND, either express or implied. |
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* |
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***************************************************************************/ |
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#include "curl_setup.h" |
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#include <curl/curl.h> |
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#include "curl_memrchr.h" |
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#include "curl_memory.h" |
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/* The last #include file should be: */ |
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#include "memdebug.h" |
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#ifndef HAVE_MEMRCHR |
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/* |
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* Curl_memrchr() |
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* |
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* Our memrchr() function clone for systems which lack this function. The |
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* memrchr() function is like the memchr() function, except that it searches |
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* backwards from the end of the n bytes pointed to by s instead of forward |
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* from the beginning. |
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*/ |
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void * |
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Curl_memrchr(const void *s, int c, size_t n) |
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{ |
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const unsigned char *p = s; |
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const unsigned char *q = s; |
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p += n - 1; |
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while(p >= q) { |
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if(*p == (unsigned char)c) |
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return (void *)p; |
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p--; |
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} |
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return NULL; |
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} |
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#endif /* HAVE_MEMRCHR */
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