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/* Get standard diskfs run-time options

   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.

   Written by Miles Bader <miles@gnu.ai.mit.edu>

   This file is part of the GNU Hurd.

   The GNU Hurd 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 2, or (at
   your option) any later version.

   The GNU Hurd 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */

#include <stdio.h>
#include <argz.h>

#include "priv.h"

error_t
diskfs_append_std_options (char **argz, unsigned *argz_len)
{
  error_t err;
  extern int diskfs_sync_interval;

  if (diskfs_readonly)
    err = argz_add (argz, argz_len, "--readonly");
  else
    err = argz_add (argz, argz_len, "--writable");

  if (!err && _diskfs_nosuid)
    err = argz_add (argz, argz_len, "--no-suid");
  if (!err && _diskfs_noexec)
    err = argz_add (argz, argz_len, "--no-exec");

  if (! err)
    if (diskfs_synchronous)
      err = argz_add (argz, argz_len, "--sync");
    else if (diskfs_sync_interval == 0)
      err = argz_add (argz, argz_len, "--no-sync");
    else
      {
	char buf[80];
	sprintf (buf, "--sync=%d", diskfs_sync_interval);
	err = argz_add (argz, argz_len, buf);
      }

  return err;
}