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/* Copy memory to memory until the specified number of bytes
has been copied with error checking. Overlap is NOT handled correctly.
Copyright (C) 1991-2014 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>
#include <pagecopy.h>
void *
__memcpy_chk (dstpp, srcpp, len, dstlen)
void *dstpp;
const void *srcpp;
size_t len;
size_t dstlen;
{
if (__builtin_expect (dstlen < len, 0))
__chk_fail ();
return memcpy (dstpp, srcpp, len);
}
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