xref: /titanic_51/usr/src/lib/libc/port/i18n/wsdup.c (revision ac823a0f31ed9c8cbe505cee2def262ac92ea6cd)
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 (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*	Copyright (c) 1986 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 /*
30  *	string duplication
31  *	returns pointer to a new string which is the duplicate of string
32  *	pointed to by s1
33  *	NULL is returned if new string can't be created
34  */
35 
36 #include "lint.h"
37 #include <stdlib.h>
38 #include <widec.h>
39 #include "libc.h"
40 
41 wchar_t *
42 wcsdup(const wchar_t *s1)
43 {
44 	wchar_t *s2;
45 
46 	s2 = malloc((wcslen(s1) + 1) * sizeof (wchar_t));
47 	return (s2 == NULL ? NULL : wcscpy(s2, s1));
48 }
49 
50 wchar_t *
51 wsdup(const wchar_t *s1)
52 {
53 	return (wcsdup(s1));
54 }
55