wcsmbs/wcsdup.c

   1 /* Copyright (C) 1995-2023 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 *
  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 }