xref: /illumos-gate/usr/src/lib/libc/port/i18n/wmemcmp.c (revision 86d949f9497332fe19be6b5d711d265eb957439f)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "lint.h"
28 #include <sys/types.h>
29 #include <wchar.h>
30 #include "libc.h"
31 
32 int
33 wmemcmp(const wchar_t *ws1, const wchar_t *ws2, size_t n)
34 {
35 	if ((ws1 != ws2) && (n != 0)) {
36 		do {
37 			if (*ws1 != *ws2)
38 				return (*ws1 - *ws2);
39 			ws1++;
40 			ws2++;
41 		} while (--n != 0);
42 	}
43 	return (0);
44 }
45