12350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn/*
22350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * Copyright (C) 2017 The Android Open Source Project
32350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn *
42350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * Licensed under the Apache License, Version 2.0 (the "License");
52350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * you may not use this file except in compliance with the License.
62350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * You may obtain a copy of the License at
72350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn *
82350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn *      http://www.apache.org/licenses/LICENSE-2.0
92350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn *
102350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * Unless required by applicable law or agreed to in writing, software
112350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * distributed under the License is distributed on an "AS IS" BASIS,
122350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
132350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * See the License for the specific language governing permissions and
142350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn * limitations under the License.
152350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn */
162350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
172350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn/* Miniature version of a header-only keyutils.h (no library required) */
182350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
192350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#ifndef _INIT_KEYUTILS_H_
202350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#define _INIT_KEYUTILS_H_
212350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
222350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#ifndef KEYUTILS_H /* walk away if the _real_ one exists */
232350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
242350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#include <linux/keyctl.h>
252350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#include <stdarg.h>
262350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#include <sys/syscall.h>
272350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#include <unistd.h>
282350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
292350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzynstatic inline long keyctl(int cmd, ...) {
302350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    va_list va;
312350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    unsigned long arg2, arg3, arg4, arg5;
322350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
332350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    va_start(va, cmd);
342350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    arg2 = va_arg(va, unsigned long);
352350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    arg3 = va_arg(va, unsigned long);
362350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    arg4 = va_arg(va, unsigned long);
372350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    arg5 = va_arg(va, unsigned long);
382350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    va_end(va);
392350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn    return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
402350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn}
412350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
422350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#endif
432350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn
442350391b8d9e1431e6d768c45e4751c3faf7e2f2Mark Salyzyn#endif
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