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 |
26 | test (const char *name) |
27 | { |
28 | DIR *dirp; |
29 | struct dirent *entp; |
30 | int retval = 0; |
31 | |
32 | puts (s: name); |
33 | |
34 | dirp = opendir (name: name); |
35 | if (dirp == NULL) |
36 | { |
37 | perror ("opendir" ); |
38 | return 1; |
39 | } |
40 | |
41 | errno = 0; |
42 | while ((entp = readdir (dirp: dirp)) != NULL) |
43 | printf (format: "%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: dirp) < 0) |
53 | { |
54 | perror ("closedir" ); |
55 | retval = 1; |
56 | } |
57 | |
58 | return retval; |
59 | } |
60 | |
61 | int |
62 | main (int argc, char **argv) |
63 | { |
64 | int retval = 0; |
65 | --argc; |
66 | ++argv; |
67 | |
68 | if (argc == 0) |
69 | retval = test (name: "." ); |
70 | else |
71 | while (argc-- > 0) |
72 | retval |= test (name: *argv++); |
73 | |
74 | return retval; |
75 | } |
76 | |