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/***
This file is part of eudev, forked from systemd.
Copyright 2013 Intel Corporation
Author: Auke Kok <auke-jan.h.kok@intel.com>
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <unistd.h>
#include <string.h>
#ifdef HAVE_XATTR
#include <attr/xattr.h>
#endif
#include "smack-util.h"
bool use_smack(void) {
#ifdef HAVE_SMACK
static int use_smack_cached = -1;
if (use_smack_cached < 0)
use_smack_cached = access("/sys/fs/smackfs/", F_OK) >= 0;
return use_smack_cached;
#else
return false;
#endif
}
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