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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <LibCore/ArgsParser.h>
#include <stdio.h>
#include <sys/utsname.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (pledge("stdio", nullptr) < 0) {
perror("pledge");
return 1;
}
bool flag_system = false;
bool flag_node = false;
bool flag_release = false;
bool flag_machine = false;
bool flag_all = false;
Core::ArgsParser args_parser;
args_parser.add_option(flag_system, "Print the system name (default)", nullptr, 's');
args_parser.add_option(flag_node, "Print the node name", nullptr, 'n');
args_parser.add_option(flag_release, "Print the system release", nullptr, 'r');
args_parser.add_option(flag_machine, "Print the machine hardware name", nullptr, 'm');
args_parser.add_option(flag_all, "Print all information (same as -snrm)", nullptr, 'a');
args_parser.parse(argc, argv);
if (flag_all)
flag_system = flag_node = flag_release = flag_machine = true;
if (!flag_system && !flag_node && !flag_release && !flag_machine)
flag_system = true;
utsname uts;
int rc = uname(&uts);
if (rc < 0) {
perror("uname() failed");
return 0;
}
Vector<String> parts;
if (flag_system)
parts.append(uts.sysname);
if (flag_node)
parts.append(uts.nodename);
if (flag_release)
parts.append(uts.release);
if (flag_machine)
parts.append(uts.machine);
StringBuilder builder;
builder.join(' ', parts);
puts(builder.to_string().characters());
return 0;
}
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