summaryrefslogtreecommitdiff
path: root/dirent/list.c
blob: b82a30c77c2dddd58718022be0db93f4cf63fcff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>


static int
test (const char *name)
{
  DIR *dirp;
  struct dirent *entp;
  int retval = 0;

  puts (name);

  dirp = opendir (name);
  if (dirp == NULL)
    {
      perror ("opendir");
      return 1;
    }

  errno = 0;
  while ((entp = readdir (dirp)) != NULL)
    printf ("%s\tfile number %lu\n",
	    entp->d_name, (unsigned long int) entp->d_fileno);

  if (errno)
    {
      perror ("readdir");
      retval = 1;
    }

  if (closedir (dirp) < 0)
    {
      perror ("closedir");
      retval = 1;
    }

  return retval;
}

int
main (int argc, char **argv)
{
  int retval = 0;
  --argc;
  ++argv;

  if (argc == 0)
    retval = test (".");
  else
    while (argc-- > 0)
      retval |= test (*argv++);

  return retval;
}