1 /* Multiple versions of strlen. 2 All versions must be listed in ifunc-impl-list.c. 3 Copyright (C) 2017-2022 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 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 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 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 25 26 # define SYMBOL_NAME strlen 27 # include "ifunc-avx2.h" 28 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 35