1 /* Duplicate a wide string.
2 Copyright (C) 1999, 2011-2021 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 1999.
4
5 This file is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 3 of the
8 License, or (at your option) any later version.
9
10 This file is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17
18 wchar_t *
19 wcsdup (const wchar_t *s)
/* ![[previous]](../icons/n_left.png)
![[next]](../icons/n_right.png)
![[first]](../icons/n_first.png)
![[last]](../icons/n_last.png)
![[top]](../icons/top.png)
![[bottom]](../icons/bottom.png)
![[index]](../icons/index.png)
*/
20 {
21 size_t n = wcslen (s) + 1;
22 wchar_t *copy = (wchar_t *) malloc (n * sizeof (wchar_t));
23 if (copy != NULL)
24 return wmemcpy (copy, s, n);
25 else
26 /* The glibc documentation does not say that errno should be set to ENOMEM
27 here. */
28 return NULL;
29 }