wcsmbs/wcsdup.c

   1 /* Copyright (C) 1995-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <wchar.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22
  23
  24 /* Duplicate S, returning an identical malloc'd string.  */
  25 wchar_t *
  26 wcsdup (const wchar_t *s)
  27 {
  28   size_t len = (__wcslen (s) + 1) * sizeof (wchar_t);
  29   void *new = malloc (len);
  30
  31   if (new == NULL)
  32     return NULL;
  33
  34   return (wchar_t *) memcpy (new, (void *) s, len);
  35 }