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) 1986 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * Compare strings (at most n characters)
34 * 	returns:  s1>s2: >0  s1==s2: 0  s1<s2: <0
35 */
36
37#pragma weak _wcsncmp = wcsncmp
38#pragma weak _wsncmp = wsncmp
39
40#include "lint.h"
41#include <stdlib.h>
42#include <wchar.h>
43
44int
45wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
46{
47	if (s1 == s2)
48		return (0);
49
50	n++;
51	while (--n > 0 && *s1 == *s2++)
52		if (*s1++ == 0)
53			return (0);
54	return ((n == 0) ? 0 : (*s1 - *(s2 - 1)));
55}
56
57int
58wsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
59{
60	return (wcsncmp(s1, s2, n));
61}
62