xref: /titanic_44/usr/src/lib/libc/port/i18n/wsdup.c (revision 2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1f)
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  *	string duplication
34  *	returns pointer to a new string which is the duplicate of string
35  *	pointed to by s1
36  *	NULL is returned if new string can't be created
37  */
38 
39 #include "lint.h"
40 #include <stdlib.h>
41 #include <widec.h>
42 #include "libc.h"
43 
44 wchar_t *
45 wsdup(const wchar_t *s1)
46 {
47 	wchar_t *s2;
48 
49 	s2 = malloc((wcslen(s1) + 1) * sizeof (wchar_t));
50 	return (s2 == NULL ? NULL : wcscpy(s2, s1));
51 }
52