/* Test REG_NEWLINE.

   Copyright (C) 2007-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <regex.h>

#include <stdio.h>

#include <string.h>

struct tests

{

  const char *regex;

  const char *string;

  int cflags;

  int retval;

} tests[] = {

  { "a.b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },

  { "a.b", "a\nb", REG_EXTENDED, 0 },

  { "a[^x]b", "a\nb", REG_EXTENDED | REG_NEWLINE, REG_NOMATCH },

  { "a[^x]b", "a\nb", REG_EXTENDED, 0 }

};

int

main (void)

{

  regex_t r;

  size_t i;

  int ret = 0;

  for (i = 0; i < sizeof (tests) / sizeof (tests[i]); ++i)

    {

      memset (&r, 0, sizeof (r));

      if (regcomp (&r, tests[i].regex, tests[i].cflags))

	{

	  printf ("regcomp %zd failed\n", i);

	  ret = 1;

	  continue;

	}

      int rv = regexec (&r, tests[i].string, 0, NULL, 0);

      if (rv != tests[i].retval)

	{

	  printf ("regexec %zd unexpected value %d != %d\n",

		  i, rv, tests[i].retval);

	  ret = 1;

	}

      regfree (&r);

    }

  return ret;

}