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88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/* print the hexadecimal identifier for the current host
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Copyright (C) 1997, 1999, 2000, 2001, 2002 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 2, or (at your option)
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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, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Jim Meyering. */
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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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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "system.h"
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#include "closeout.h"
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#include "long-options.h"
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#include "error.h"
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/* The official name of this program (e.g., no `g' prefix). */
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#define PROGRAM_NAME "hostid"
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#define AUTHORS "Jim Meyering"
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/* The name this program was run with, for error messages. */
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char *program_name;
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void
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usage (int status)
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{
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if (status != 0)
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fprintf (stderr, _("Try `%s --help' for more information.\n"),
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program_name);
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else
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{
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printf (_("\
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Usage: %s\n\
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or: %s OPTION\n\
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Print the numeric identifier (in hexadecimal) for the current host.\n\
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\n\
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"),
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program_name, program_name);
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fputs (HELP_OPTION_DESCRIPTION, stdout);
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fputs (VERSION_OPTION_DESCRIPTION, stdout);
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printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
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}
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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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long int id;
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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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atexit (close_stdout);
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parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
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AUTHORS, usage);
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if (argc > 1)
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{
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error (0, 0, _("too many arguments"));
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usage (EXIT_FAILURE);
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}
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id = gethostid ();
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printf ("%lx\n", id);
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exit (EXIT_SUCCESS);
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}
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