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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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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