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  #ifndef HAVE_WCSDUP
15  
16  #include "config.h"
17  
18  #if defined(LIBC_SCCS) && !defined(lint)
19  __RCSID("$NetBSD: wcsdup.c,v 1.3 2008/05/26 13:17:48 haad Exp $");
20  #endif /* LIBC_SCCS and not lint */
21  
22  #include <stdlib.h>
23  #include <assert.h>
24  #include <wchar.h>
25  
26  wchar_t *
27  wcsdup(const wchar_t *str)
28  {
29  	wchar_t *copy;
30  	size_t len;
31  
32  	_DIAGASSERT(str != NULL);
33  
34  	len = wcslen(str) + 1;
35  	copy = malloc(len * sizeof (wchar_t));
36  
37  	if (!copy)
38  		return NULL;
39  
40  	return wmemcpy(copy, str, len);
41  }
42  
43  #endif