Get rid of Versions.def source file
[glibc.git] / debug / memcpy_chk.c
blob9bf5d9f6c0b9cf3d52375ea91204e080fff878d9
1 /* Copy memory to memory until the specified number of bytes
2 has been copied with error checking. Overlap is NOT handled correctly.
3 Copyright (C) 1991-2014 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Torbjorn Granlund (tege@sics.se).
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.
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.
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/>. */
21 #include <string.h>
22 #include <memcopy.h>
23 #include <pagecopy.h>
25 void *
26 __memcpy_chk (dstpp, srcpp, len, dstlen)
27 void *dstpp;
28 const void *srcpp;
29 size_t len;
30 size_t dstlen;
32 if (__glibc_unlikely (dstlen < len))
33 __chk_fail ();
35 return memcpy (dstpp, srcpp, len);