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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
38 lines
970 B
C++
38 lines
970 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.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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const char* hostname = nullptr;
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Core::ArgsParser args_parser;
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args_parser.add_positional_argument(hostname, "Hostname to set", "hostname", Core::ArgsParser::Required::No);
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args_parser.parse(argc, argv);
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if (!hostname) {
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char buffer[HOST_NAME_MAX];
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int rc = gethostname(buffer, sizeof(buffer));
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if (rc < 0) {
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perror("gethostname");
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return 1;
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}
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printf("%s\n", buffer);
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} else {
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if (strlen(hostname) >= HOST_NAME_MAX) {
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fprintf(stderr, "Hostname must be less than %i characters\n", HOST_NAME_MAX);
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return 1;
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}
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sethostname(hostname, strlen(hostname));
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}
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return 0;
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}
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