posix/tst-regexloc.c

   1 /* Copyright (C) 2001-2022 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <sys/types.h>
  19 #include <regex.h>
  20 #include <locale.h>
  21 #include <stdio.h>
  22
  23 static int
  24 do_test (void)
  25 {
  26   regex_t re;
  27   regmatch_t mat[1];
  28   int res = 1;
  29
  30   if (setlocale (LC_ALL, "de_DE.ISO-8859-1") == NULL)
  31     puts ("cannot set locale");
  32   /* Range expressions in non-POSIX locales are unspecified, but
  33      for now in glibc we maintain lowercase/uppercase distinction
  34      in our collation element order (but not in collation weights
  35      which means strcoll_l still collates as expected).  */
  36   else if (regcomp (&re, "[a-f]*", 0) != REG_NOERROR)
  37     puts ("cannot compile expression \"[a-f]*\"");
  38   else if (regexec (&re, "abcdefCDEF", 1, mat, 0) == REG_NOMATCH)
  39     puts ("no match");
  40   else
  41     {
  42       printf ("match from %d to %d\n", mat[0].rm_so, mat[0].rm_eo);
  43       res = mat[0].rm_so != 0 || mat[0].rm_eo != 6;
  44     }
  45
  46   return res;
  47 }
  48
  49 #define TEST_FUNCTION do_test ()
  50 #include "../test-skeleton.c"