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93 lines
3.1 KiB
C++
93 lines
3.1 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 <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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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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bool flag_s = false;
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bool flag_n = false;
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bool flag_r = false;
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bool flag_m = false;
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if (argc == 1) {
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flag_s = true;
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} else {
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for (int i = 1; i < argc; ++i) {
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if (argv[i][0] == '-') {
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for (const char* o = &argv[i][1]; *o; ++o) {
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switch (*o) {
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case 's':
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flag_s = true;
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break;
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case 'n':
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flag_n = true;
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break;
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case 'r':
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flag_r = true;
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break;
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case 'm':
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flag_m = true;
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break;
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case 'a':
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flag_s = flag_n = flag_r = flag_m = true;
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break;
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}
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}
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}
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}
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}
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if (!flag_s && !flag_n && !flag_r && !flag_m)
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flag_s = true;
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Vector<String> parts;
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if (flag_s)
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parts.append(uts.sysname);
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if (flag_n)
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parts.append(uts.nodename);
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if (flag_r)
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parts.append(uts.release);
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if (flag_m)
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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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