1 /* Multiple versions of stpncpy.
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-stpncpy.h>
20 
21 #if HAVE_STPNCPY_IFUNC
22 # define stpncpy __redirect_stpncpy
23 # define __stpncpy __redirect___stpncpy
24 # include <string.h>
25 # undef stpncpy
26 # undef __stpncpy
27 # include <ifunc-resolve.h>
28 
29 # if HAVE_STPNCPY_C
30 extern __typeof (__redirect_stpncpy) STPNCPY_C attribute_hidden;
31 # endif
32 
33 # if HAVE_STPNCPY_Z13
34 extern __typeof (__redirect_stpncpy) STPNCPY_Z13 attribute_hidden;
35 # endif
36 
37 s390_libc_ifunc_expr (__redirect___stpncpy, __stpncpy,
38 		      (HAVE_STPNCPY_Z13 && (hwcap & HWCAP_S390_VX))
39 		      ? STPNCPY_Z13
40 		      : STPNCPY_DEFAULT
41 		      )
42 weak_alias (__stpncpy, stpncpy)
43 #endif
44