1/* Copy memory to memory until the specified number of bytes
2 has been copied with error checking. Overlap is handled correctly.
3 Copyright (C) 1991-2016 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Torbjorn Granlund (tege@sics.se).
6
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <http://www.gnu.org/licenses/>. */
20
21#include <string.h>
22#include <memcopy.h>
23
24#ifndef MEMMOVE_CHK
25# define MEMMOVE_CHK __memmove_chk
26#endif
27
28void *
29MEMMOVE_CHK (void *dest, const void *src, size_t len, size_t destlen)
30{
31 if (__glibc_unlikely (destlen < len))
32 __chk_fail ();
33
34 return memmove (dest, src, len);
35}
36