jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibCore/File.h>
8#include <LibCore/System.h>
9#include <LibMain/Main.h>
10
11ErrorOr<int> serenity_main(Main::Arguments)
12{
13 TRY(Core::System::pledge("stdio rpath"));
14 TRY(Core::System::unveil("/sys/kernel/dmesg", "r"));
15 TRY(Core::System::unveil(nullptr, nullptr));
16
17 auto file = TRY(Core::File::open("/sys/kernel/dmesg"sv, Core::File::OpenMode::Read));
18 auto buffer = TRY(file->read_until_eof());
19 out("{}", StringView { buffer });
20 return 0;
21}