mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 21:20:18 +00:00
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Copy memory to memory until the specified number of bytes
|
|
has been copied with error checking. Overlap is handled correctly.
|
|
Copyright (C) 1991-2015 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 (dest, src, len, destlen)
|
|
void *dest;
|
|
const void *src;
|
|
size_t len;
|
|
size_t destlen;
|
|
{
|
|
if (__glibc_unlikely (destlen < len))
|
|
__chk_fail ();
|
|
|
|
return memmove (dest, src, len);
|
|
}
|