jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/DeprecatedString.h>
8#include <AK/StringBuilder.h>
9#include <AK/Vector.h>
10#include <LibCore/ArgsParser.h>
11#include <LibCore/System.h>
12#include <stdio.h>
13#include <sys/utsname.h>
14#include <unistd.h>
15
16ErrorOr<int> serenity_main(Main::Arguments arguments)
17{
18 TRY(Core::System::pledge("stdio"));
19
20 bool flag_system = false;
21 bool flag_node = false;
22 bool flag_release = false;
23 bool flag_version = false;
24 bool flag_machine = false;
25 bool flag_all = false;
26
27 Core::ArgsParser args_parser;
28 args_parser.add_option(flag_system, "Print the system name (default)", nullptr, 's');
29 args_parser.add_option(flag_node, "Print the node name", nullptr, 'n');
30 args_parser.add_option(flag_release, "Print the system release", nullptr, 'r');
31 args_parser.add_option(flag_version, "Print the version of the release", nullptr, 'v');
32 args_parser.add_option(flag_machine, "Print the machine hardware name", nullptr, 'm');
33 args_parser.add_option(flag_all, "Print all information (same as -snrm)", nullptr, 'a');
34 args_parser.parse(arguments);
35
36 if (flag_all)
37 flag_system = flag_node = flag_release = flag_machine = flag_version = true;
38
39 if (!flag_system && !flag_node && !flag_release && !flag_machine && !flag_version)
40 flag_system = true;
41
42 utsname uts = TRY(Core::System::uname());
43
44 Vector<DeprecatedString> parts;
45 if (flag_system)
46 parts.append(uts.sysname);
47 if (flag_node)
48 parts.append(uts.nodename);
49 if (flag_release)
50 parts.append(uts.release);
51 if (flag_version)
52 parts.append(uts.version);
53 if (flag_machine)
54 parts.append(uts.machine);
55 StringBuilder builder;
56 builder.join(' ', parts);
57 puts(builder.to_deprecated_string().characters());
58 return 0;
59}