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83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include <AK/Vector.h>
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#include <LibCore/ArgsParser.h>
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#include <stdio.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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int main(int argc, char** argv)
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{
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if (pledge("stdio", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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bool flag_system = false;
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bool flag_node = false;
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bool flag_release = false;
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bool flag_machine = false;
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bool flag_all = false;
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Core::ArgsParser args_parser;
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args_parser.add_option(flag_system, "Print the system name (default)", nullptr, 's');
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args_parser.add_option(flag_node, "Print the node name", nullptr, 'n');
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args_parser.add_option(flag_release, "Print the system release", nullptr, 'r');
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args_parser.add_option(flag_machine, "Print the machine hardware name", nullptr, 'm');
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args_parser.add_option(flag_all, "Print all information (same as -snrm)", nullptr, 'a');
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args_parser.parse(argc, argv);
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if (flag_all)
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flag_system = flag_node = flag_release = flag_machine = true;
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if (!flag_system && !flag_node && !flag_release && !flag_machine)
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flag_system = true;
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utsname uts;
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int rc = uname(&uts);
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if (rc < 0) {
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perror("uname() failed");
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return 0;
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}
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Vector<String> parts;
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if (flag_system)
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parts.append(uts.sysname);
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if (flag_node)
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parts.append(uts.nodename);
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if (flag_release)
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parts.append(uts.release);
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if (flag_machine)
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parts.append(uts.machine);
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StringBuilder builder;
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builder.join(' ', parts);
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puts(builder.to_string().characters());
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return 0;
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}
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