src/pwd.c

   1 /* pwd - print current directory
   2    Copyright (C) 94, 95, 1996 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 /* Jim Meyering <meyering@comco.com> */
  19
  20 #include <config.h>
  21 #include <stdio.h>
  22 #include <sys/types.h>
  23
  24 #include "system.h"
  25 #include "long-options.h"
  26 #include "error.h"
  27
  28 char *xgetcwd ();
  29
  30 /* The name this program was run with. */
  31 char *program_name;
  32
  33 static void
  34 usage (int status)
  35 {
  36   if (status != 0)
  37     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  38              program_name);
  39   else
  40     {
  41       printf (_("Usage: %s [OPTION]\n"), program_name);
  42       printf (_("\
  43 Print the full filename of the current working directory.\n\
  44 \n\
  45   --help      display this help and exit\n\
  46   --version   output version information and exit\n\
  47 "));
  48     }
  49   exit (status);
  50 }
  51
  52 int
  53 main (int argc, char **argv)
  54 {
  55   char *wd;
  56
  57   program_name = argv[0];
  58   setlocale (LC_ALL, "");
  59   bindtextdomain (PACKAGE, LOCALEDIR);
  60   textdomain (PACKAGE);
  61
  62   parse_long_options (argc, argv, "pwd", PACKAGE_VERSION, usage);
  63
  64   if (argc != 1)
  65     error (0, 0, _("ignoring non-option arguments"));
  66
  67   wd = xgetcwd ();
  68   if (wd == NULL)
  69     error (1, errno, _("cannot get current directory"));
  70   printf ("%s\n", wd);
  71
  72   exit (0);
  73 }