1 /*	$NetBSD: wcsdup.c,v 1.3 2008/05/26 13:17:48 haad Exp $	*/
2 
3 /*
4  * Copyright (C) 2006 Aleksey Cheusov
5  *
6  * This material is provided "as is", with absolutely no warranty expressed
7  * or implied. Any use is at your own risk.
8  *
9  * Permission to use or copy this software for any purpose is hereby granted
10  * without fee. Permission to modify the code and to distribute modified
11  * code is also granted without any restrictions.
12  */
13 
14 #include <sys/cdefs.h>
15 
16 #if defined(LIBC_SCCS) && !defined(lint)
17 __RCSID("$NetBSD: wcsdup.c,v 1.3 2008/05/26 13:17:48 haad Exp $");
18 #endif /* LIBC_SCCS and not lint */
19 
20 #include "namespace.h"
21 #include <stdlib.h>
22 #include <assert.h>
23 #include <wchar.h>
24 
__weak_alias(wcsdup,_wcsdup)25 __weak_alias(wcsdup,_wcsdup)
26 
27 wchar_t *
28 wcsdup(const wchar_t *str)
29 {
30 	wchar_t *copy;
31 	size_t len;
32 
33 	_DIAGASSERT(str != NULL);
34 
35 	len = wcslen(str) + 1;
36 	copy = malloc(len * sizeof (wchar_t));
37 
38 	if (!copy)
39 		return NULL;
40 
41 	return wmemcpy(copy, str, len);
42 }
43