/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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 <errno.h>

#include <stddef.h>

#include <stdio.h>

#include <stdlib.h>

#include <dirent.h>

static int

test (const char *name)

{

  DIR *dirp;

  struct dirent *entp;

  int retval = 0;

  puts (name);

  dirp = opendir (name);

  if (dirp == NULL)

    {

      perror ("opendir");

      return 1;

    }

  errno = 0;

  while ((entp = readdir (dirp)) != NULL)

    printf ("%s\tfile number %lu\n",

	    entp->d_name, (unsigned long int) entp->d_fileno);

  if (errno)

    {

      perror ("readdir");

      retval = 1;

    }

  if (closedir (dirp) < 0)

    {

      perror ("closedir");

      retval = 1;

    }

  return retval;

}

int

main (int argc, char **argv)

{

  int retval = 0;

  --argc;

  ++argv;

  if (argc == 0)

    retval = test (".");

  else

    while (argc-- > 0)

      retval |= test (*argv++);

  return retval;

}