jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/StringView.h>
8#include <AK/Try.h>
9#include <LibCore/ArgsParser.h>
10#include <LibCore/System.h>
11#include <LibMain/Main.h>
12#include <LibTimeZone/TimeZone.h>
13
14ErrorOr<int> serenity_main(Main::Arguments arguments)
15{
16 TRY(Core::System::pledge("stdio rpath wpath cpath"));
17 TRY(Core::System::unveil("/etc/timezone", "rwc"));
18 TRY(Core::System::unveil(nullptr, nullptr));
19
20 StringView time_zone;
21 bool list_time_zones = false;
22
23 Core::ArgsParser args_parser;
24 args_parser.add_option(list_time_zones, "List all available time zones", "list-time-zones", 'l');
25 args_parser.add_positional_argument(time_zone, "The time zone to set", "time-zone", Core::ArgsParser::Required::No);
26 args_parser.parse(arguments);
27
28 if (list_time_zones) {
29 for (auto time_zone : TimeZone::all_time_zones())
30 outln("{}", time_zone);
31 return 0;
32 }
33
34 if (time_zone.is_empty()) {
35 outln("{}", TimeZone::system_time_zone());
36 return 0;
37 }
38
39 TRY(TimeZone::change_time_zone(time_zone));
40 return 0;
41}