wcsmbs/wcsdup.c

   1 /* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3 Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
   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
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, 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 }