| 1 | /* logname -- print user's login name
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| 2 | Copyright (C) 1990-1997, 1999-2005 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software Foundation,
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| 16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 17 |
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| 18 | #include <config.h>
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| 19 | #include <stdio.h>
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| 20 | #include <sys/types.h>
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| 21 | #include <getopt.h>
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| 22 |
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| 23 | #include "system.h"
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| 24 | #include "error.h"
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| 25 | #include "long-options.h"
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| 26 | #include "quote.h"
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| 27 |
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| 28 | /* The official name of this program (e.g., no `g' prefix). */
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| 29 | #define PROGRAM_NAME "logname"
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| 30 |
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| 31 | #define AUTHORS "FIXME: unknown"
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| 32 |
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| 33 | /* The name this program was run with. */
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| 34 | char *program_name;
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| 35 |
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| 36 | void
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| 37 | usage (int status)
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| 38 | {
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| 39 | if (status != EXIT_SUCCESS)
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| 40 | fprintf (stderr, _("Try `%s --help' for more information.\n"),
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| 41 | program_name);
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| 42 | else
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| 43 | {
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| 44 | printf (_("Usage: %s [OPTION]\n"), program_name);
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| 45 | fputs (_("\
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| 46 | Print the name of the current user.\n\
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| 47 | \n\
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| 48 | "), stdout);
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| 49 | fputs (HELP_OPTION_DESCRIPTION, stdout);
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| 50 | fputs (VERSION_OPTION_DESCRIPTION, stdout);
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| 51 | printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
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| 52 | }
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| 53 | exit (status);
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| 54 | }
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| 55 |
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| 56 | int
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| 57 | main (int argc, char **argv)
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| 58 | {
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| 59 | char *cp;
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| 60 |
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| 61 | initialize_main (&argc, &argv);
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| 62 | program_name = argv[0];
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| 63 | setlocale (LC_ALL, "");
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| 64 | bindtextdomain (PACKAGE, LOCALEDIR);
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| 65 | textdomain (PACKAGE);
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| 66 |
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| 67 | atexit (close_stdout);
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| 68 |
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| 69 | parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
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| 70 | usage, AUTHORS, (char const *) NULL);
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| 71 | if (getopt_long (argc, argv, "", NULL, NULL) != -1)
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| 72 | usage (EXIT_FAILURE);
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| 73 |
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| 74 | if (optind < argc)
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| 75 | {
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| 76 | error (0, 0, _("extra operand %s"), quote (argv[optind]));
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| 77 | usage (EXIT_FAILURE);
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| 78 | }
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| 79 |
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| 80 | /* POSIX requires using getlogin (or equivalent code). */
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