/* Copy memory to memory until the specified number of bytes

   has been copied with error checking.  Overlap is handled correctly.

   Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Torbjorn Granlund (tege@sics.se).

   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 <string.h>

#include <memcopy.h>

#ifndef MEMMOVE_CHK

# define MEMMOVE_CHK __memmove_chk

#endif

void *

MEMMOVE_CHK (void *dest, const void *src, size_t len, size_t destlen)

{

  if (__glibc_unlikely (destlen < len))

    __chk_fail ();

  return memmove (dest, src, len);

}