1 /* whoami -- print effective userid
3 Copyright (C) 89,90, 1991-1997, 1999-2002, 2004, 2005 Free Software
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20 /* Equivalent to `id -un'. */
21 /* Written by Richard Mlynarik. */
25 #include <sys/types.h>
31 #include "long-options.h"
34 /* The official name of this program (e.g., no `g' prefix). */
35 #define PROGRAM_NAME "whoami"
37 #define AUTHORS "Richard Mlynarik"
39 /* The name this program was run with. */
45 if (status
!= EXIT_SUCCESS
)
46 fprintf (stderr
, _("Try `%s --help' for more information.\n"),
50 printf (_("Usage: %s [OPTION]...\n"), program_name
);
52 Print the user name associated with the current effective user ID.\n\
56 fputs (HELP_OPTION_DESCRIPTION
, stdout
);
57 fputs (VERSION_OPTION_DESCRIPTION
, stdout
);
58 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT
);
64 main (int argc
, char **argv
)
69 initialize_main (&argc
, &argv
);
70 program_name
= argv
[0];
71 setlocale (LC_ALL
, "");
72 bindtextdomain (PACKAGE
, LOCALEDIR
);
75 atexit (close_stdout
);
77 parse_long_options (argc
, argv
, PROGRAM_NAME
, GNU_PACKAGE
, VERSION
,
78 usage
, AUTHORS
, (char const *) NULL
);
79 if (getopt_long (argc
, argv
, "", NULL
, NULL
) != -1)
84 error (0, 0, _("extra operand %s"), quote (argv
[optind
]));
95 fprintf (stderr
, _("%s: cannot find name for user ID %lu\n"),
96 program_name
, (unsigned long int) uid
);