glibc/wcsmbs/wcsdup.c

/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.	 If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

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


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

  if (new == NULL)
    return NULL;

  memcpy (new, (void *) s, len);

  return (wchar_t *) new;
}