/* Multiple versions of strlen. AARCH64 version. Copyright (C) 2018-2023 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 . */ /* Define multiple versions only for the definition in libc. */ #if IS_IN (libc) /* Redefine strlen so that the compiler won't complain about the type mismatch with the IFUNC selector in strong_alias, below. */ # undef strlen # define strlen __redirect_strlen # include # include extern __typeof (__redirect_strlen) __strlen; extern __typeof (__redirect_strlen) __strlen_mte attribute_hidden; extern __typeof (__redirect_strlen) __strlen_asimd attribute_hidden; libc_ifunc (__strlen, (mte ? __strlen_mte : __strlen_asimd)); # undef strlen strong_alias (__strlen, strlen); #endif