xref: /dflybsd-src/lib/libc/string/wcsdup.c (revision 716024cd274740e5ee0a906854b489160f9f02f3)
1*716024cdSPeter Avalos /*-
2*716024cdSPeter Avalos  * Copyright (c) 2005 Tim J. Robbins.
3*716024cdSPeter Avalos  * All rights reserved.
4*716024cdSPeter Avalos  *
5*716024cdSPeter Avalos  * Redistribution and use in source and binary forms, with or without
6*716024cdSPeter Avalos  * modification, are permitted provided that the following conditions
7*716024cdSPeter Avalos  * are met:
8*716024cdSPeter Avalos  * 1. Redistributions of source code must retain the above copyright
9*716024cdSPeter Avalos  *    notice, this list of conditions and the following disclaimer.
10*716024cdSPeter Avalos  * 2. Redistributions in binary form must reproduce the above copyright
11*716024cdSPeter Avalos  *    notice, this list of conditions and the following disclaimer in the
12*716024cdSPeter Avalos  *    documentation and/or other materials provided with the distribution.
13*716024cdSPeter Avalos  *
14*716024cdSPeter Avalos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*716024cdSPeter Avalos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*716024cdSPeter Avalos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*716024cdSPeter Avalos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*716024cdSPeter Avalos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*716024cdSPeter Avalos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*716024cdSPeter Avalos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*716024cdSPeter Avalos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*716024cdSPeter Avalos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*716024cdSPeter Avalos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*716024cdSPeter Avalos  * SUCH DAMAGE.
25*716024cdSPeter Avalos  *
26*716024cdSPeter Avalos  * $FreeBSD: src/lib/libc/string/wcsdup.c,v 1.1 2005/08/13 05:54:33 tjr Exp $
27*716024cdSPeter Avalos  */
28*716024cdSPeter Avalos 
29*716024cdSPeter Avalos #include <stdlib.h>
30*716024cdSPeter Avalos #include <wchar.h>
31*716024cdSPeter Avalos 
32*716024cdSPeter Avalos wchar_t *
33*716024cdSPeter Avalos wcsdup(const wchar_t *s)
34*716024cdSPeter Avalos {
35*716024cdSPeter Avalos 	wchar_t *copy;
36*716024cdSPeter Avalos 	size_t len;
37*716024cdSPeter Avalos 
38*716024cdSPeter Avalos 	len = wcslen(s) + 1;
39*716024cdSPeter Avalos 	if ((copy = malloc(len * sizeof(wchar_t))) == NULL)
40*716024cdSPeter Avalos 		return (NULL);
41*716024cdSPeter Avalos 	return (wmemcpy(copy, s, len));
42*716024cdSPeter Avalos }
43