1/* Multiple versions of strcspn.
2 Copyright (C) 2015-2022 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-strcspn.h>
20
21#if HAVE_STRCSPN_IFUNC
22# define strcspn __redirect_strcspn
23/* Omit the strcspn inline definitions because it would redefine strcspn. */
24# define __NO_STRING_INLINES
25# include <string.h>
26# undef strcspn
27# include <ifunc-resolve.h>
28
29# if HAVE_STRCSPN_C
30extern __typeof (__redirect_strcspn) STRCSPN_C attribute_hidden;
31# endif
32
33# if HAVE_STRCSPN_Z13
34extern __typeof (__redirect_strcspn) STRCSPN_Z13 attribute_hidden;
35# endif
36
37s390_libc_ifunc_expr (__redirect_strcspn, strcspn,
38 (HAVE_STRCSPN_Z13 && (hwcap & HWCAP_S390_VX))
39 ? STRCSPN_Z13
40 : STRCSPN_DEFAULT
41 )
42#endif /* HAVE_STRCSPN_IFUNC */
43

source code of glibc/sysdeps/s390/strcspn.c