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b5cc329c UD |
1 | /* Copy memory to memory until the specified number of bytes |
2 | has been copied with error checking. Overlap is NOT handled correctly. | |
04277e02 | 3 | Copyright (C) 1991-2019 Free Software Foundation, Inc. |
b5cc329c UD |
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 | |
59ba27a6 | 18 | License along with the GNU C Library; if not, see |
5a82c748 | 19 | <https://www.gnu.org/licenses/>. */ |
b5cc329c UD |
20 | |
21 | #include <string.h> | |
22 | #include <memcopy.h> | |
b5cc329c UD |
23 | |
24 | void * | |
9d46370c | 25 | __memcpy_chk (void *dstpp, const void *srcpp, size_t len, size_t dstlen) |
b5cc329c | 26 | { |
a1ffb40e | 27 | if (__glibc_unlikely (dstlen < len)) |
b5cc329c UD |
28 | __chk_fail (); |
29 | ||
d674f0ef | 30 | return memcpy (dstpp, srcpp, len); |
b5cc329c | 31 | } |