serenity/Userland/Utilities/nproc.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

31 lines
671 B
C++

/*
* Copyright (c) 2021, Peter Elliott <pelliott@ualberta.ca>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonObject.h>
#include <LibCore/File.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main()
{
if (pledge("stdio rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
auto file = Core::File::construct("/proc/cpuinfo");
if (!file->open(Core::IODevice::ReadOnly)) {
perror("Core::File::open()");
return 1;
}
auto json = JsonValue::from_string({ file->read_all() });
auto cpuinfo_array = json.value().as_array();
outln("{}", cpuinfo_array.size());
return 0;
}