dirent/list.c

   1 /* Copyright (C) 1991, 1993, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <dirent.h>
  24
  25
  26 void
  27 test (const char *name)
  28 {
  29   DIR *dirp;
  30   struct dirent *entp;
  31
  32   puts (name);
  33
  34   dirp = opendir (name);
  35   if (dirp == NULL)
  36     {
  37       perror ("opendir");
  38       return;
  39     }
  40
  41   errno = 0;
  42   while ((entp = readdir (dirp)) != NULL)
  43     printf ("%s\tfile number %lu\n",
  44             entp->d_name, (unsigned long int) entp->d_fileno);
  45
  46   if (errno)
  47     perror ("readdir");
  48
  49   if (closedir (dirp) < 0)
  50     perror ("closedir");
  51 }
  52
  53 int
  54 main (int argc, char **argv)
  55 {
  56   --argc;
  57   ++argv;
  58
  59   if (argc == 0)
  60     test (".");
  61   else
  62     while (argc-- > 0)
  63       test (*argv++);
  64
  65   exit (0);
  66   return 0;
  67 }