/* gdbmclose.c - Close a previously opened dbm file. */

/* This file is part of GDBM, the GNU data base manager.

   Copyright (C) 1990-2025 Free Software Foundation, Inc.

   GDBM 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, or (at your option)

   any later version.

   GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>.   */

/* Include system configuration before all else. */

#include "autoconf.h"

#include "gdbmdefs.h"

/* Close the dbm file and free all memory associated with the file DBF.

 */

int

gdbm_close (GDBM_FILE dbf)

{

  int syserrno;

  gdbm_set_errno (dbf, GDBM_NO_ERROR, FALSE);

  if (dbf->desc != -1)

    {

      /* Make sure the database is all on disk. */

      if (dbf->read_write != GDBM_READER)

  gdbm_file_sync (dbf);

      _gdbmsync_done (dbf);

      /* Close the file and free all malloc'ed memory. */

#if HAVE_MMAP

      _gdbm_mapped_unmap (dbf);

#endif

      if (dbf->file_locking)

  _gdbm_unlock_file (dbf);

      if (close (dbf->desc))

  GDBM_SET_ERRNO (dbf, GDBM_FILE_CLOSE_ERROR, FALSE);

    }

  syserrno = gdbm_last_syserr (dbf);

  gdbm_clear_error (dbf);

  free (dbf->name);

  free (dbf->dir);

  _gdbm_cache_free (dbf);

  free (dbf->header);

  free (dbf);

  if (gdbm_errno)

    {

      errno = syserrno;

      return -1;

    }

  return 0;

}