File: wmemcpy_chk.c

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glibc 2.19-13
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/* Copyright (C) 1996-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

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


wchar_t *
__wmemcpy_chk (wchar_t *s1, const wchar_t *s2, size_t n, size_t ns1)
{
  if (__builtin_expect (ns1 < n, 0))
    __chk_fail ();
  return (wchar_t *) memcpy ((char *) s1, (char *) s2, n * sizeof (wchar_t));
}