src/sync.c

   1 /* sync - update the super block
   2    Copyright (C) 1994-1999 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 2, or (at your option)
   7    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, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 /* Written by Jim Meyering */
  19
  20 #include <config.h>
  21 #include <stdio.h>
  22 #include <sys/types.h>
  23
  24 #include "system.h"
  25 #include "error.h"
  26 #include "long-options.h"
  27
  28 /* The official name of this program (e.g., no `g' prefix).  */
  29 #define PROGRAM_NAME "sync"
  30
  31 #define AUTHORS "Jim Meyering"
  32
  33 /* The name this program was run with. */
  34 char *program_name;
  35
  36 void
  37 usage (int status)
  38 {
  39   if (status != 0)
  40     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  41              program_name);
  42   else
  43     {
  44       printf (_("Usage: %s [OPTION]\n"), program_name);
  45       printf (_("\
  46 Force changed blocks to disk, update the super block.\n\
  47 \n\
  48   --help      display this help and exit\n\
  49   --version   output version information and exit\n\
  50 "));
  51       puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
  52       close_stdout ();
  53     }
  54   exit (status);
  55 }
  56
  57 int
  58 main (int argc, char **argv)
  59 {
  60   program_name = argv[0];
  61   setlocale (LC_ALL, "");
  62   bindtextdomain (PACKAGE, LOCALEDIR);
  63   textdomain (PACKAGE);
  64
  65   parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
  66                       AUTHORS, usage);
  67
  68   if (argc != 1)
  69     error (0, 0, _("ignoring all arguments"));
  70
  71   sync ();
  72   exit (0);
  73 }