ladybird/Userland/Utilities/nproc.cpp
2021-08-01 08:10:16 +02:00

31 lines
651 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 <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::OpenMode::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;
}