sysdeps/s390/strstr-vx.c

   1 /* Default strstr implementation with vector string functions for S/390.
   2    Copyright (C) 2018-2024 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-strstr.h>
  20
  21 #if HAVE_STRSTR_Z13
  22 # if HAVE_STRSTR_IFUNC || STRSTR_Z13_ONLY_USED_AS_FALLBACK
  23 #  define STRSTR STRSTR_Z13
  24 #  if defined SHARED && IS_IN (libc)
  25 #   undef libc_hidden_builtin_def
  26 #   if HAVE_STRSTR_C || STRSTR_Z13_ONLY_USED_AS_FALLBACK
  27 #    define libc_hidden_builtin_def(name)
  28 #   else
  29 #    define libc_hidden_builtin_def(name)               \
  30   __hidden_ver1 (__strstr_vx, __GI_strstr, __strstr_vx);
  31 #   endif
  32 #  endif
  33 # endif
  34
  35 # include <string.h>
  36
  37 # ifdef USE_MULTIARCH
  38 extern __typeof (strchr) __strchr_vx attribute_hidden;
  39 #  define strchr __strchr_vx
  40
  41 extern __typeof (strlen) __strlen_vx attribute_hidden;
  42 #  define strlen __strlen_vx
  43
  44 extern __typeof (__strnlen) __strnlen_vx attribute_hidden;
  45 #  define __strnlen __strnlen_vx
  46
  47 extern __typeof (memcmp) __memcmp_z196 attribute_hidden;
  48 #  define memcmp __memcmp_z196
  49 # endif
  50
  51 # include <string/strstr.c>
  52 #endif