summary refs log tree commit diff
path: root/sysdeps/x86_64/multiarch/memcmp.c
blob: 6f3ca43128c6629172bac0619d7c1c184159ebb8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* Multiple versions of memcmp.
   All versions must be listed in ifunc-impl-list.c.
   Copyright (C) 2017-2018 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
   <http://www.gnu.org/licenses/>.  */

/* Define multiple versions only for the definition in libc.  */
#if IS_IN (libc)
# define memcmp __redirect_memcmp
# include <string.h>
# undef memcmp

# define SYMBOL_NAME memcmp
# include "ifunc-memcmp.h"

libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ());
# undef bcmp
weak_alias (memcmp, bcmp)

# ifdef SHARED
__hidden_ver1 (memcmp, __GI_memcmp, __redirect_memcmp)
  __attribute__ ((visibility ("hidden")));
# endif
#endif