68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
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/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2005 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/**@file memccpy.c
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* @brief The memccpy() replacement function.
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*
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* @author Pekka Pessi <Pekka.Pessi@nokia.com>
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*
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* @date Created: Thu Nov 17 17:45:51 EET 2005 ppessi
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*/
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#include "config.h"
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#include <string.h>
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#include <limits.h>
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/**Copy memory until @a c is found.
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*
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* Copies no more than @a n bytes from memory area @a src to memory area @a
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* dest, stopping after the character @a c is copied and found.
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*
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* @param dest pointer to destination area
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*<EFBFBD>@param src pointer to source area
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* @param c terminating byte
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* @param n size of destination area
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*
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* @return
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* Returns a pointer to the next character in @a dest after @a c,
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* or NULL if @a c was not found in the first @a n characters of @a src.
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*/
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void *memccpy(void *dest, const void *src, int c, size_t n)
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{
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char *d;
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char const *s;
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if (!src || !dest)
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return dest;
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for (d = dest, s = src; n-- > 0;) {
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if (c == (*d++ = *s++))
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return d;
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}
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return NULL;
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}
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