/*
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;
}