1/* Fortify macros for strings.h functions.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef __STRINGS_FORTIFIED
20# define __STRINGS_FORTIFIED 1
21
22__fortify_function void
23__NTH (bcopy (const void *__src, void *__dest, size_t __len))
24{
25 (void) __builtin___memmove_chk (__dest, __src, __len,
26 __glibc_objsize0 (__dest));
27}
28
29__fortify_function void
30__NTH (bzero (void *__dest, size_t __len))
31{
32 (void) __builtin___memset_chk (__dest, '\0', __len,
33 __glibc_objsize0 (__dest));
34}
35
36#endif
37

source code of glibc/string/bits/strings_fortified.h