mes-m2/lib/dirent/closedir.c

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright (C) 1991, 1993, 1995, 1996, 1998 Free Software Foundation, Inc.
 * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of GNU Mes.
 *
 * GNU Mes 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.
 *
 * GNU Mes 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 GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
 */

// Taken from GNU C Library 2.2.5

#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>

#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <dirstream.h>

/* Close the directory stream DIRP.
   Return 0 if successful, -1 if not.  */
int
closedir (DIR * dirp)
{
  int filedes;

  if (dirp == NULL)
    {
      errno = EINVAL;
      return -1;
    }

  filedes = dirp->fd;
  free (dirp);

  return close (filedes);
}