xref: /illumos-gate/usr/src/lib/libc/port/i18n/wscmp.c (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*	Copyright (c) 1986 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 
33 /*	This module is created for NLS on Sep.03.86		*/
34 
35 /*
36  * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
37  */
38 
39 #pragma weak wcscmp = _wcscmp
40 #pragma weak wscmp = _wscmp
41 
42 #include "lint.h"
43 #include <stdlib.h>
44 #include <wchar.h>
45 
46 int
47 _wcscmp(const wchar_t *s1, const wchar_t *s2)
48 {
49 	if (s1 == s2)
50 		return (0);
51 
52 	while (*s1 == *s2++)
53 		if (*s1++ == 0)
54 			return (0);
55 	return (*s1 - *(s2 - 1));
56 }
57 
58 int
59 _wscmp(const wchar_t *s1, const wchar_t *s2)
60 {
61 	return (_wcscmp(s1, s2));
62 }
63