/* Test for ftw function searching in root directory.

   Copyright (C) 2001-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.

   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 <ftw.h>

#include <mcheck.h>

#include <stdio.h>

#include <string.h>

int result;

int cnt;

int sawroot;

static int

callback (const char *fname, const struct stat *st, int flag)

{

  if (++cnt >= 10)

    return 1;

  printf ("%d: \"%s\" -> ", cnt, fname);

  if (strcmp (fname, "/") == 0 && sawroot)

    {

      puts ("root directory reported twice");

      result = 1;

    }

  else if (fname[0] != '/')

    {

      puts ("missing '/' as first character");

      result = 1;

    }

  else if (fname[1] == '/')

    {

      puts ("double '/' at beginning");

      result = 1;

    }

  else

    {

      puts ("OK");

      sawroot |= strcmp (fname, "/") == 0;

    }

  return 0;

}

int

main (void)

{

  mtrace ();

  ftw ("/", callback, 10);

  if (! sawroot)

    {

      puts ("root directory wasn't reported");

      result = 1;

    }

  return result;

}