/* whoami -- print effective userid
- Copyright (C) 89,90,91,92,93,94,95,96,1997 Free Software Foundation, Inc.
+ Copyright (C) 89,90, 1991-1997, 1999-2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <getopt.h>
#include "system.h"
+#include "long-options.h"
-/* The name this program was run with. */
-char *program_name;
+/* The official name of this program (e.g., no `g' prefix). */
+#define PROGRAM_NAME "whoami"
-/* If nonzero, display usage information and exit. */
-static int show_help;
+#define WRITTEN_BY _("Written by Richard Mlynarik.")
-/* If nonzero, print the version on standard output and exit. */
-static int show_version;
+/* The name this program was run with. */
+char *program_name;
static struct option const long_options[] =
{
- {"help", no_argument, &show_help, 1},
- {"version", no_argument, &show_version, 1},
{0, 0, 0, 0}
};
-static void
+void
usage (int status)
{
if (status != 0)
else
{
printf (_("Usage: %s [OPTION]...\n"), program_name);
- printf (_("\
+ fputs (_("\
Print the user name associated with the current effective user id.\n\
Same as id -un.\n\
\n\
- --help display this help and exit\n\
- --version output version information and exit\n"));
- puts (_("\nReport bugs to <sh-utils-bugs@gnu.ai.mit.edu>."));
+"), stdout);
+ fputs (HELP_OPTION_DESCRIPTION, stdout);
+ fputs (VERSION_OPTION_DESCRIPTION, stdout);
+ printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
}
exit (status);
}
register uid_t uid;
int c;
+ initialize_main (&argc, &argv);
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ atexit (close_stdout);
+
+ parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
+ WRITTEN_BY, usage);
+
while ((c = getopt_long (argc, argv, "", long_options, NULL)) != -1)
{
switch (c)
break;
default:
- usage (1);
+ usage (EXIT_FAILURE);
}
}
- if (show_version)
- {
- printf ("whoami (%s) %s\n", GNU_PACKAGE, VERSION);
- exit (0);
- }
-
- if (show_help)
- usage (0);
-
-
if (optind != argc)
- usage (1);
+ usage (EXIT_FAILURE);
uid = geteuid ();
pw = getpwuid (uid);
if (pw)
{
puts (pw->pw_name);
- exit (0);
+ exit (EXIT_SUCCESS);
}
fprintf (stderr, _("%s: cannot find username for UID %u\n"),
program_name, (unsigned) uid);
- exit (1);
+ exit (EXIT_FAILURE);
}