src/pwd.c

   1 /* pwd - print current directory
   2    Copyright (C) 1994-1997, 1999, 2000 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 "closeout.h"
  26 #include "long-options.h"
  27 #include "error.h"
  28
  29 /* The official name of this program (e.g., no `g' prefix).  */
  30 #define PROGRAM_NAME "pwd"
  31
  32 #define AUTHORS "Jim Meyering"
  33
  34 char *xgetcwd ();
  35
  36 /* The name this program was run with. */
  37 char *program_name;
  38
  39 void
  40 usage (int status)
  41 {
  42   if (status != 0)
  43     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  44              program_name);
  45   else
  46     {
  47       printf (_("Usage: %s [OPTION]\n"), program_name);
  48       printf (_("\
  49 Print the full filename of the current working directory.\n\
  50 \n\
  51   --help      display this help and exit\n\
  52   --version   output version information and exit\n\
  53 "));
  54       puts (_("\nReport bugs to <bug-sh-utils@gnu.org>."));
  55     }
  56   exit (status);
  57 }
  58
  59 int
  60 main (int argc, char **argv)
  61 {
  62   char *wd;
  63
  64   program_name = argv[0];
  65   setlocale (LC_ALL, "");
  66   bindtextdomain (PACKAGE, LOCALEDIR);
  67   textdomain (PACKAGE);
  68
  69   atexit (close_stdout);
  70
  71   parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
  72                       AUTHORS, usage);
  73
  74   if (argc != 1)
  75     error (0, 0, _("ignoring non-option arguments"));
  76
  77   wd = xgetcwd ();
  78   if (wd == NULL)
  79     error (1, errno, _("cannot get current directory"));
  80   printf ("%s\n", wd);
  81
  82   exit (0);
  83 }