posix/bug-regex27.c

   1 /* Test REG_NEWLINE.
   2    Copyright (C) 2007-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <regex.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24 struct tests
  25 {
  26   const char *regex;
  27   const char *string;
  28   int cflags;
  29   int retval;
  30 } tests[] = {
  31   { "a.b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },
  32   { "a.b", "a\nb", REG_EXTENDED, 0 },
  33   { "a[^x]b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },
  34   { "a[^x]b", "a\nb", REG_EXTENDED, 0 }
  35 };
  36
  37 int
  38 main (void)
  39 {
  40   regex_t r;
  41   size_t i;
  42   int ret = 0;
  43
  44   for (i = 0; i < sizeof (tests) / sizeof (tests[i]); ++i)
  45     {
  46       memset (&r, 0, sizeof (r));
  47       if (regcomp (&r, tests[i].regex, tests[i].cflags))
  48         {
  49           printf ("regcomp %zd failed\n", i);
  50           ret = 1;
  51           continue;
  52         }
  53       int rv = regexec (&r, tests[i].string, 0, NULL, 0);
  54       if (rv != tests[i].retval)
  55         {
  56           printf ("regexec %zd unexpected value %d != %d\n",
  57                   i, rv, tests[i].retval);
  58           ret = 1;
  59         }
  60       regfree (&r);
  61     }
  62   return ret;
  63 }