/*

  File: acl_extended_fd.c

  Copyright (C) 2000

  Andreas Gruenbacher, <a.gruenbacher@bestbits.at>

  This program 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.

  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

  Lesser General Public License for more details.

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

  License along with this library; if not, write to the Free Software

  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*/

#include "config.h"

#include <unistd.h>

#include <sys/xattr.h>

#include "libacl.h"

#include "byteorder.h"

#include "acl_ea.h"

int

acl_extended_fd(int fd)

{

	int base_size = sizeof(acl_ea_header) + 3 * sizeof(acl_ea_entry);

	int retval;

	retval = fgetxattr(fd, ACL_EA_ACCESS, NULL, 0);

	if (retval < 0 && errno != ENOATTR && errno != ENODATA)

		return -1;

	if (retval > base_size)

		return 1;

	retval = fgetxattr(fd, ACL_EA_DEFAULT, NULL, 0);

	if (retval < 0 && errno != ENOATTR && errno != ENODATA)

		return -1;

	if (retval >= base_size)

		return 1;

	return 0;

}