/* Test for re_match with non-zero start.

   Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.

   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 <locale.h>

#include <stdio.h>

#include <string.h>

#include <regex.h>

int

main (void)

{

  struct re_pattern_buffer regex;

  struct re_registers regs;

  const char *s;

  int match;

  int result = 0;

  regs.num_regs = 1;

  memset (&regex, '\0', sizeof (regex));

  s = re_compile_pattern ("[abc]*d", 7, &regex);

  if (s != NULL)

    {

      puts ("re_compile_pattern return non-NULL value");

      result = 1;

    }

  else

    {

      match = re_match (&regex, "foacabdxy", 9, 2, ®s;;

      if (match != 5)

	{

	  printf ("re_match returned %d, expected 5\n", match);

	  result = 1;

	}

      else if (regs.start[0] != 2 || regs.end[0] != 7)

	{

	  printf ("re_match returned %d..%d, expected 2..7\n",

		  regs.start[0], regs.end[0]);

	  result = 1;

	}

	puts (" -> OK");

    }

  return result;

}