about summary refs log tree commit diff
path: root/wcsmbs/wcsdup.c
blob: 7eb9e9cb1b5d53d65cc361814d336490507586e5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <wchar.h>
#include <string.h>
#include <stdlib.h>


/* Duplicate S, returning an identical malloc'd string.	 */
wchar_t *
wcsdup (const wchar_t *s)
{
  size_t len = (__wcslen (s) + 1) * sizeof (wchar_t);
  void *new = malloc (len);

  if (new == NULL)
    return NULL;

  return (wchar_t *) memcpy (new, (void *) s, len);
}