81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/* Exit with a status code indicating success.
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Copyright (C) 1999-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include "system.h"
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/* Act like "true" by default; false.c overrides this. */
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#ifndef EXIT_STATUS
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# define EXIT_STATUS EXIT_SUCCESS
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#endif
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#if EXIT_STATUS == EXIT_SUCCESS
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# define PROGRAM_NAME "true"
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#else
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# define PROGRAM_NAME "false"
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#endif
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#define AUTHORS proper_name ("Jim Meyering")
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void
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usage (int status)
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{
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printf (_("\
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Usage: %s [ignored command line arguments]\n\
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or: %s OPTION\n\
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"),
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program_name, program_name);
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printf ("%s\n\n",
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_(EXIT_STATUS == EXIT_SUCCESS
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? N_("Exit with a status code indicating success.")
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: N_("Exit with a status code indicating failure.")));
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fputs (HELP_OPTION_DESCRIPTION, stdout);
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fputs (VERSION_OPTION_DESCRIPTION, stdout);
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printf (USAGE_BUILTIN_WARNING, PROGRAM_NAME);
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emit_ancillary_info (PROGRAM_NAME);
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exit (status);
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}
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int
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main (int argc, char **argv)
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{
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/* Recognize --help or --version only if it's the only command-line
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argument. */
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if (argc == 2)
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{
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initialize_main (&argc, &argv);
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set_program_name (argv[0]);
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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/* Note true(1) will return EXIT_FAILURE in the
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edge case where writes fail with GNU specific options. */
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atexit (close_stdout);
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if (STREQ (argv[1], "--help"))
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usage (EXIT_STATUS);
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if (STREQ (argv[1], "--version"))
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version_etc (stdout, PROGRAM_NAME, PACKAGE_NAME, Version, AUTHORS,
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(char *) nullptr);
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}
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return EXIT_STATUS;
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}
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