1 /* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <wchar.h>
19 #include <string.h>
20 #include <stdlib.h>
21
22
23 /* Duplicate S, returning an identical malloc'd string. */
24 wchar_t *
wcsdup(const wchar_t * s)25 wcsdup (const wchar_t *s)
26 {
27 size_t len = (__wcslen (s) + 1) * sizeof (wchar_t);
28 void *new = malloc (len);
29
30 if (new == NULL)
31 return NULL;
32
33 return (wchar_t *) memcpy (new, (void *) s, len);
34 }
35