sysdeps/s390/stpcpy.c

   1 /* Multiple versions of stpcpy.
   2    Copyright (C) 2015-2023 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-stpcpy.h>
  20
  21 #if HAVE_STPCPY_IFUNC
  22 # define stpcpy __redirect_stpcpy
  23 # define __stpcpy __redirect___stpcpy
  24 /* Omit the stpcpy inline definitions because it would redefine stpcpy.  */
  25 # define __NO_STRING_INLINES
  26 # define NO_MEMPCPY_STPCPY_REDIRECT
  27 # include <string.h>
  28 # undef stpcpy
  29 # undef __stpcpy
  30 # include <ifunc-resolve.h>
  31
  32 # if HAVE_STPCPY_C
  33 extern __typeof (__redirect_stpcpy) STPCPY_C attribute_hidden;
  34 # endif
  35
  36 # if HAVE_STPCPY_Z13
  37 extern __typeof (__redirect_stpcpy) STPCPY_Z13 attribute_hidden;
  38 # endif
  39
  40 s390_libc_ifunc_expr (__redirect___stpcpy, __stpcpy,
  41                       (HAVE_STPCPY_Z13 && (hwcap & HWCAP_S390_VX))
  42                       ? STPCPY_Z13
  43                       : STPCPY_DEFAULT
  44                       )
  45 weak_alias (__stpcpy, stpcpy)
  46 #endif