wcsmbs/wcsdup.c

   1 /* Copyright (C) 1995, 1996, 1997 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 Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    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    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <wchar.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24
  25 /* Duplicate S, returning an identical malloc'd string.  */
  26 wchar_t *
  27 wcsdup (s)
  28      const wchar_t *s;
  29 {
  30   size_t len = (wcslen (s) + 1) * sizeof (wchar_t);
  31   void *new = malloc (len);
  32
  33   if (new == NULL)
  34     return NULL;
  35
  36   memcpy (new, (void *) s, len);
  37
  38   return (wchar_t *) new;
  39 }