glibc/sysdeps/x86_64/multiarch/memcpy_chk.c

32 lines
1.2 KiB
C

/* Multiple versions of __memcpy_chk
All versions must be listed in ifunc-impl-list.c.
Copyright (C) 2017-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
/* Define multiple versions only for the definition in libc.so. */
#if IS_IN (libc) && defined SHARED
# define __memcpy_chk __redirect_memcpy_chk
# include <string.h>
# undef __memcpy_chk
# define SYMBOL_NAME memcpy_chk
# include "ifunc-memmove.h"
libc_ifunc_redirected (__redirect_memcpy_chk, __memcpy_chk,
IFUNC_SELECTOR ());
#endif