ladybird/Userland/Utilities/lsjails.cpp
Tim Schumacher ed4c2f2f8e LibCore: Rename Stream::read_all to read_until_eof
This generally seems like a better name, especially if we somehow also
need a better name for "read the entire buffer, but not the entire file"
somewhere down the line.
2022-12-12 14:16:42 +01:00

36 lines
1.0 KiB
C++

/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibCore/Stream.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(Core::System::pledge("stdio rpath"));
TRY(Core::System::unveil("/sys/kernel/jails", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
auto jails_data = TRY(Core::Stream::File::open("/sys/kernel/jails"sv, Core::Stream::OpenMode::Read));
TRY(Core::System::pledge("stdio"));
outln("Index Name");
auto file_contents = TRY(jails_data->read_until_eof());
auto json = TRY(JsonValue::from_string(file_contents));
json.as_array().for_each([](auto& value) {
auto& jail = value.as_object();
auto index = jail.get("index"sv).to_deprecated_string();
auto name = jail.get("name"sv).to_deprecated_string();
outln("{:4} {:10}", index, name);
});
return 0;
}