ladybird/Userland/Utilities/arp.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

37 lines
991 B
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/ByteBuffer.h>
#include <AK/JsonObject.h>
#include <AK/String.h>
#include <LibCore/File.h>
#include <stdio.h>
int main()
{
auto file = Core::File::construct("/proc/net/arp");
if (!file->open(Core::IODevice::ReadOnly)) {
fprintf(stderr, "Error: %s\n", file->error_string());
return 1;
}
printf("Address HWaddress\n");
auto file_contents = file->read_all();
auto json = JsonValue::from_string(file_contents);
VERIFY(json.has_value());
json.value().as_array().for_each([](auto& value) {
auto if_object = value.as_object();
auto ip_address = if_object.get("ip_address").to_string();
auto mac_address = if_object.get("mac_address").to_string();
printf("%-15s ", ip_address.characters());
printf("%-17s ", mac_address.characters());
printf("\n");
});
return 0;
}