sysdeps/s390/wmemchr-c.c

   1 /* Default wmemchr implementation for S/390.
   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-wmemchr.h>
  20
  21 #if HAVE_WMEMCHR_C
  22 # if HAVE_WMEMCHR_IFUNC || HAVE_WMEMCHR_Z13
  23 #  define WMEMCHR WMEMCHR_C
  24
  25 #  undef weak_alias
  26 #  define weak_alias(name, alias)
  27
  28 #  if defined SHARED && IS_IN (libc)
  29 #   undef libc_hidden_weak
  30 #   define libc_hidden_weak(name)
  31 #   undef libc_hidden_def
  32 #   if ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
  33 #    define libc_hidden_def(name)                                       \
  34   __hidden_ver1 (__wmemchr_c, __GI_wmemchr, __wmemchr_c)  __attribute__((weak)); \
  35   strong_alias (__wmemchr_c, __wmemchr_c_1);                            \
  36   __hidden_ver1 (__wmemchr_c_1, __GI___wmemchr, __wmemchr_c_1);
  37 #   else
  38 #    define libc_hidden_def(name)
  39 #   endif
  40 #  endif
  41 # endif
  42
  43 # include <wcsmbs/wmemchr.c>
  44 #endif