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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. | |
dff8da6b | 3 | Copyright (C) 1991-2024 Free Software Foundation, Inc. |
b5cc329c | 4 | This file is part of the GNU C Library. |
b5cc329c UD |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
b5cc329c UD |
19 | |
20 | #include <string.h> | |
21 | #include <memcopy.h> | |
b5cc329c UD |
22 | |
23 | void * | |
9d46370c | 24 | __memcpy_chk (void *dstpp, const void *srcpp, size_t len, size_t dstlen) |
b5cc329c | 25 | { |
a1ffb40e | 26 | if (__glibc_unlikely (dstlen < len)) |
b5cc329c UD |
27 | __chk_fail (); |
28 | ||
d674f0ef | 29 | return memcpy (dstpp, srcpp, len); |
b5cc329c | 30 | } |
dd8486ff | 31 | libc_hidden_builtin_def (__memcpy_chk) |