/* Test re_search with multi-byte characters in EUC-JP.

   Copyright (C) 2012-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Stanislav Brabec <sbrabec@suse.cz>, 2012.

   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/>.  */

#define _GNU_SOURCE 1

#include <locale.h>

#include <regex.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

static int

do_test (void)

{

  struct re_pattern_buffer r;

  struct re_registers s;

  int e, rc = 0;

  if (setlocale (LC_CTYPE, "ja_JP.EUC-JP") == NULL)

    {

      puts ("setlocale failed");

      return 1;

    }

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

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

  /* The bug cannot be reproduced without initialized fastmap (it is SBC_MAX

     value from regex_internal.h).  */

  r.fastmap = malloc (UCHAR_MAX + 1);

                     /* 圭 */

  re_compile_pattern ("\xb7\xbd", 2, &r);

                /* aaaaa件a新処, \xb7\xbd constitutes a false match */

  e = re_search (&r, "\x61\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",

                 12, 0, 12, &s);

  if (e != -1)

    {

      printf ("bug-regex33.1: false match or error: re_search() returned %d, should return -1\n", e);

      rc = 1;

    }

                /* aaaa件a新処, \xb7\xbd constitutes a false match,

                 * this is a reproducer of BZ #13637 */

  e = re_search (&r, "\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",

                 11, 0, 11, &s);

  if (e != -1)

    {

      printf ("bug-regex33.2: false match or error: re_search() returned %d, should return -1\n", e);

      rc = 1;

    }

                /* aaa件a新処, \xb7\xbd constitutes a false match,

                 * this is a reproducer of BZ #13637 */

  e = re_search (&r, "\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",

                 10, 0, 10, &s);

  if (e != -1)

    {

      printf ("bug-regex33.3: false match or error: re_search() returned %d, should return -1\n", e);

      rc = 1;

    }

                /* aa件a新処, \xb7\xbd constitutes a false match */

  e = re_search (&r, "\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",

                 9, 0, 9, &s);

  if (e != -1)

    {

      printf ("bug-regex33.4: false match or error: re_search() returned %d, should return -1\n", e);

      rc = 1;

    }

                /* a件a新処, \xb7\xbd constitutes a false match */

  e = re_search (&r, "\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",

                 8, 0, 8, &s);

  if (e != -1)

    {

      printf ("bug-regex33.5: false match or error: re_search() returned %d, should return -1\n", e);

      rc = 1;

    }

                /* 新処圭新処, \xb7\xbd here really matches 圭, but second occurrence is a false match,

                 * this is a reproducer of bug-regex25 and BZ #13637 */

  e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7\xbd\xe8",

                 10, 0, 10, &s);

  if (e != 4)

    {

      printf ("bug-regex33.6: no match or false match: re_search() returned %d, should return 4\n", e);

      rc = 1;

    }

                /* 新処圭新, \xb7\xbd here really matches 圭,

                 * this is a reproducer of bug-regex25 */

  e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7",

                 10, 0, 10, &s);

  if (e != 4)

    {

      printf ("bug-regex33.7: no match or false match: re_search() returned %d, should return 4\n", e);

      rc = 1;

    }

  return rc;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"