1 /* Multiple versions of memchr. 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 memchr __redirect_memchr 23 # include <string.h> 24 # undef memchr 25 26 # define SYMBOL_NAME memchr 27 # include "ifunc-sse2-bsf.h" 28 29 libc_ifunc_redirected (__redirect_memchr, __memchr, IFUNC_SELECTOR ()); 30 31 weak_alias (__memchr, memchr) 32 #endif 33