1/* Default memmem implementation with vector string functions for S/390.
2 Copyright (C) 2018-2022 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
53extern __typeof (memchr) __memchr_vx attribute_hidden;
54# define memchr __memchr_vx
55
56extern __typeof (memcmp) __memcmp_z196 attribute_hidden;
57# define memcmp __memcmp_z196
58# endif
59
60# include <string/memmem.c>
61#endif
62

source code of glibc/sysdeps/s390/memmem-vx.c