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glibc  2.9
list.c
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00001 /* Copyright (C) 1991, 1993, 1997, 1998, 2000 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <stddef.h>
00021 #include <stdio.h>
00022 #include <stdlib.h>
00023 #include <dirent.h>
00024 
00025 
00026 static int
00027 test (const char *name)
00028 {
00029   DIR *dirp;
00030   struct dirent *entp;
00031   int retval = 0;
00032 
00033   puts (name);
00034 
00035   dirp = opendir (name);
00036   if (dirp == NULL)
00037     {
00038       perror ("opendir");
00039       return 1;
00040     }
00041 
00042   errno = 0;
00043   while ((entp = readdir (dirp)) != NULL)
00044     printf ("%s\tfile number %lu\n",
00045            entp->d_name, (unsigned long int) entp->d_fileno);
00046 
00047   if (errno)
00048     {
00049       perror ("readdir");
00050       retval = 1;
00051     }
00052 
00053   if (closedir (dirp) < 0)
00054     {
00055       perror ("closedir");
00056       retval = 1;
00057     }
00058 
00059   return retval;
00060 }
00061 
00062 int
00063 main (int argc, char **argv)
00064 {
00065   int retval = 0;
00066   --argc;
00067   ++argv;
00068 
00069   if (argc == 0)
00070     retval = test (".");
00071   else
00072     while (argc-- > 0)
00073       retval |= test (*argv++);
00074 
00075   return retval;
00076 }