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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Karol Kosek <krkk@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/NumberFormat.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(Core::System::pledge("stdio rpath"));
auto file = TRY(Core::File::open("/sys/kernel/uptime"sv, Core::File::OpenMode::Read));
TRY(Core::System::pledge("stdio"));
Array<u8, BUFSIZ> buffer;
auto read_buffer = TRY(file->read_some(buffer));
auto maybe_seconds = AK::StringUtils::convert_to_uint(StringView(read_buffer));
if (!maybe_seconds.has_value())
return Error::from_string_literal("Couldn't convert to number");
auto seconds = maybe_seconds.release_value();
outln("Up {}", human_readable_time(seconds));
return 0;
}
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