Line data    Source code

       1             : /* Exit with a status code indicating success.
       2             :    Copyright (C) 1999-2003, 2005, 2007 Free Software Foundation, Inc.
       3             : 
       4             :    This program is free software: you can redistribute it and/or modify
       5             :    it under the terms of the GNU General Public License as published by
       6             :    the Free Software Foundation, either version 3 of the License, or
       7             :    (at your option) any later version.
       8             : 
       9             :    This program is distributed in the hope that it will be useful,
      10             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :    GNU General Public License for more details.
      13             : 
      14             :    You should have received a copy of the GNU General Public License
      15             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16             : 
      17             : #include <config.h>
      18             : #include <stdio.h>
      19             : #include <sys/types.h>
      20             : #include "system.h"
      21             : 
      22             : /* Act like "true" by default; false.c overrides this.  */
      23             : #ifndef EXIT_STATUS
      24             : # define EXIT_STATUS EXIT_SUCCESS
      25             : #endif
      26             : 
      27             : #if EXIT_STATUS == EXIT_SUCCESS
      28             : # define PROGRAM_NAME "true"
      29             : #else
      30             : # define PROGRAM_NAME "false"
      31             : #endif
      32             : 
      33             : #define AUTHORS "Jim Meyering"
      34             : 
      35             : /* The name this program was run with. */
      36             : char *program_name;
      37             : 
      38             : void
      39           1 : usage (int status)
      40             : {
      41           1 :   printf (_("\
      42             : Usage: %s [ignored command line arguments]\n\
      43             :   or:  %s OPTION\n\
      44             : "),
      45             :           program_name, program_name);
      46           1 :   printf ("%s\n\n",
      47             :           _(EXIT_STATUS == EXIT_SUCCESS
      48             :             ? "Exit with a status code indicating success."
      49             :             : "Exit with a status code indicating failure."));
      50           1 :   fputs (HELP_OPTION_DESCRIPTION, stdout);
      51           1 :   fputs (VERSION_OPTION_DESCRIPTION, stdout);
      52           1 :   printf (USAGE_BUILTIN_WARNING, PROGRAM_NAME);
      53           1 :   emit_bug_reporting_address ();
      54           1 :   exit (status);
      55             : }
      56             : 
      57             : int
      58           6 : main (int argc, char **argv)
      59             : {
      60             :   initialize_main (&argc, &argv);
      61           6 :   program_name = argv[0];
      62           6 :   setlocale (LC_ALL, "");
      63             :   bindtextdomain (PACKAGE, LOCALEDIR);
      64             :   textdomain (PACKAGE);
      65             : 
      66           6 :   atexit (close_stdout);
      67             : 
      68             :   /* Recognize --help or --version only if it's the only command-line
      69             :      argument.  */
      70           6 :   if (argc == 2)
      71             :     {
      72           4 :       if (STREQ (argv[1], "--help"))
      73           1 :         usage (EXIT_STATUS);
      74             : 
      75           3 :       if (STREQ (argv[1], "--version"))
      76           1 :         version_etc (stdout, PROGRAM_NAME, PACKAGE_NAME, VERSION, AUTHORS,
      77             :                      (char *) NULL);
      78             :     }
      79             : 
      80           5 :   exit (EXIT_STATUS);
      81             : }