1 /* Default memmem implementation with vector string functions for S/390. 2 Copyright (C) 2018-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <ifunc-memmem.h> 20 21 #if HAVE_MEMMEM_Z13 22 # include <string.h> 23 # if HAVE_MEMMEM_IFUNC || MEMMEM_Z13_ONLY_USED_AS_FALLBACK 24 25 # ifndef _LIBC 26 # define memmem MEMMEM_Z13 27 # else 28 # define __memmem MEMMEM_Z13 29 # endif 30 31 # if defined SHARED && IS_IN (libc) 32 # undef libc_hidden_def 33 # undef libc_hidden_weak 34 35 # if HAVE_MEMMEM_C || MEMMEM_Z13_ONLY_USED_AS_FALLBACK 36 # define libc_hidden_def(name) 37 # define libc_hidden_weak(name) 38 # else 39 # define libc_hidden_def(name) \ 40 strong_alias (__memmem_vx, __memmem_vx_1); \ 41 __hidden_ver1 (__memmem_vx, __GI___memmem, __memmem_vx); 42 43 # define libc_hidden_weak(name) \ 44 __hidden_ver1 (__memmem_vx_1, __GI_memmem, __memmem_vx_1) __attribute__((weak)); 45 # endif 46 # endif 47 48 # undef weak_alias 49 # define weak_alias(a, b) 50 # endif 51 52 # ifdef USE_MULTIARCH 53 extern __typeof (memchr) __memchr_vx attribute_hidden; 54 # define memchr __memchr_vx 55 56 extern __typeof (memcmp) __memcmp_z196 attribute_hidden; 57 # define memcmp __memcmp_z196 58 # endif 59 60 # include <string/memmem.c> 61 #endif 62