1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifndef _KMDB
33#pragma weak _memccpy = memccpy
34
35#include "lint.h"
36#endif /* !_KMDB */
37#include <sys/types.h>
38#include <string.h>
39#include <stddef.h>
40#include <memory.h>
41
42/*
43 * Copy s0 to s, stopping if character c is copied. Copy no more than n bytes.
44 * Return a pointer to the byte after character c in the copy,
45 * or NULL if c is not found in the first n bytes.
46 */
47void *
48memccpy(void *s, const void *s0, int c, size_t n)
49{
50	if (n != 0) {
51		unsigned char *s1 = s;
52		const unsigned char *s2 = s0;
53		do {
54			if ((*s1++ = *s2++) == (unsigned char)c)
55				return (s1);
56		} while (--n != 0);
57	}
58	return (NULL);
59}
60