GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/string/memrchr.c Lines: 0 7 0.0 %
Date: 2017-11-13 Branches: 0 6 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: memrchr.c,v 1.3 2015/08/31 02:53:57 guenther Exp $	*/
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/*
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 * Copyright (c) 2007 Todd C. Miller <Todd.Miller@courtesan.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <string.h>
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/*
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 * Reverse memchr()
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 * Find the last occurrence of 'c' in the buffer 's' of size 'n'.
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 */
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void *
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memrchr(const void *s, int c, size_t n)
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{
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	const unsigned char *cp;
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	if (n != 0) {
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		cp = (unsigned char *)s + n;
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		do {
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			if (*(--cp) == (unsigned char)c)
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				return((void *)cp);
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		} while (--n != 0);
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	}
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	return(NULL);
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}
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DEF_WEAK(memrchr);