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[glibc.git] / sysdeps / x86_64 / multiarch / strlen.c
blob24958938ec9d79cd87fb570d25ab617bac46c36f
1 /* Multiple versions of strlen.
2 All versions must be listed in ifunc-impl-list.c.
3 Copyright (C) 2017-2023 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
20 /* Define multiple versions only for the definition in libc. */
21 #if IS_IN (libc)
22 # define strlen __redirect_strlen
23 # include <string.h>
24 # undef strlen
26 # define SYMBOL_NAME strlen
27 # include "ifunc-avx2.h"
29 libc_ifunc_redirected (__redirect_strlen, strlen, IFUNC_SELECTOR ());
30 # ifdef SHARED
31 __hidden_ver1 (strlen, __GI_strlen, __redirect_strlen)
32 __attribute__((visibility ("hidden"))) __attribute_copy__ (strlen);
33 # endif
34 #endif