/* Stop reading the entries of a directory.

   Copyright (C) 2006-2018 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

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

   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */

#include <dirent.h>

#if REPLACE_FCHDIR

# include <unistd.h>

#endif

#if HAVE_CLOSEDIR

/* Override closedir(), to keep track of the open file descriptors.

   Needed because there is a function dirfd().  */

#else

# include <stdlib.h>

# include "dirent-private.h"

#endif

int

closedir (DIR *dirp)

{

# if REPLACE_FCHDIR || REPLACE_DIRFD

  int fd = dirfd (dirp);

# endif

  int retval;

#if HAVE_CLOSEDIR

# undef closedir

  retval = closedir (dirp);

# ifdef __KLIBC__

  if (!retval)

    _gl_unregister_dirp_fd (fd);

# endif

#else

  if (dirp->current != INVALID_HANDLE_VALUE)

    FindClose (dirp->current);

  free (dirp);

  retval = 0;

#endif

#if REPLACE_FCHDIR

  if (retval >= 0)

    _gl_unregister_fd (fd);

#endif

  return retval;

}