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 (c) 1996, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /*
28  * Copyright 1992 by Mortice Kern Systems Inc.  All rights reserved.
29  *
30  */
31 #ifdef M_RCSID
32 #ifndef lint
33 static char rcsID[] = "$Id: m_wcsdup.c 1.5 1994/08/17 15:32:51 jeffhe Exp $";
34 #endif
35 #endif
36 
37 #include <mks.h>
38 #include <string.h>
39 #include <stdlib.h>
40 
41 /*f
42  * Return a wide copy of the wide string `s', or NULL
43  */
44 LDEFN wchar_t *
m_wcsdup(s)45 m_wcsdup(s)
46 const wchar_t *s;
47 {
48 	wchar_t *cp;
49 	int len;
50 	extern char *_cmdname;
51 
52 	cp = (wchar_t *)malloc(len = (wcslen(s) + 1) * sizeof(wchar_t));
53 	if (cp == (wchar_t *)NULL) {
54 		return((wchar_t *)0);
55 	}
56 	return ((wchar_t *)memcpy((char *)cp, s, len));
57 }
58