1 /* Copyright (C) 1991-2022 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 Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the 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    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <errno.h>
19 #include <stddef.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <dirent.h>
23 
24 
25 static int
test(const char * name)26 test (const char *name)
27 {
28   DIR *dirp;
29   struct dirent *entp;
30   int retval = 0;
31 
32   puts (name);
33 
34   dirp = opendir (name);
35   if (dirp == NULL)
36     {
37       perror ("opendir");
38       return 1;
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     {
48       perror ("readdir");
49       retval = 1;
50     }
51 
52   if (closedir (dirp) < 0)
53     {
54       perror ("closedir");
55       retval = 1;
56     }
57 
58   return retval;
59 }
60 
61 int
main(int argc,char ** argv)62 main (int argc, char **argv)
63 {
64   int retval = 0;
65   --argc;
66   ++argv;
67 
68   if (argc == 0)
69     retval = test (".");
70   else
71     while (argc-- > 0)
72       retval |= test (*argv++);
73 
74   return retval;
75 }
76