1 /* Multiple versions of wcslen.
2    Copyright (C) 2015-2021 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-wcslen.h>
20 
21 #if HAVE_WCSLEN_IFUNC
22 # include <wchar.h>
23 # include <ifunc-resolve.h>
24 
25 # if HAVE_WCSLEN_C
26 extern __typeof (__wcslen) WCSLEN_C attribute_hidden;
27 # endif
28 
29 # if HAVE_WCSLEN_Z13
30 extern __typeof (__wcslen) WCSLEN_Z13 attribute_hidden;
31 # endif
32 
33 s390_libc_ifunc_expr (__wcslen, __wcslen,
34 		      (HAVE_WCSLEN_Z13 && (hwcap & HWCAP_S390_VX))
35 		      ? WCSLEN_Z13
36 		      : WCSLEN_DEFAULT
37 		      )
38 weak_alias (__wcslen, wcslen)
39 #endif
40