util: introduce memcmp_safe()

[thirdparty/systemd.git] / src / basic / capability-util.h

diff --git a/src/basic/capability-util.h b/src/basic/capability-util.h
index be41475441a99bc89e797ed0a83c15b17525aede..4a4a86093a4b94756fb4ec94dc900bbecf0f4d04 100644 (file)
--- a/src/basic/capability-util.h
+++ b/src/basic/capability-util.h
@@ -1,26 +1,6 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-
-  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 <stdbool.h>
 #include <stdint.h>
 #include <sys/capability.h>
@@ -55,5 +35,7 @@ static inline void cap_free_charpp(char **p) {
 static inline bool cap_test_all(uint64_t caps) {
         uint64_t m;
         m = (UINT64_C(1) << (cap_last_cap() + 1)) - 1;
-        return (caps & m) == m;
+        return FLAGS_SET(caps, m);
 }
+
+bool ambient_capabilities_supported(void);