ace/Dirent.i


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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

/* -*- C++ -*- */
// $Id$

#include "ace/Log_Msg.h"

ACE_INLINE int
ACE_Dirent::open (const ACE_TCHAR *dirname) 
{
  // If the directory stream is already open, close it to prevent
  // possible resource leaks.

  if (this->dirp_ != 0) 
    {
      ACE_OS_Dirent::closedir (this->dirp_);
      this->dirp_ = 0;
    }

  this->dirp_ = ACE_OS_Dirent::opendir (dirname);

  if (this->dirp_ == 0)
    return -1;
  else
    return 0;
}

ACE_INLINE 
ACE_Dirent::ACE_Dirent (void)
  : dirp_ (0)
{
}

ACE_INLINE 
ACE_Dirent::ACE_Dirent (const ACE_TCHAR *dirname) 
  : dirp_ (0)
{
  if (this->open (dirname) == -1)
    ACE_ERROR ((LM_ERROR,
                ACE_LIB_TEXT ("%p\n"), 
                ACE_LIB_TEXT ("Dirent::Dirent")));
}

ACE_INLINE 
ACE_Dirent::~ACE_Dirent (void)
{
  if (this->dirp_ != 0)
    ACE_OS_Dirent::closedir (this->dirp_);
}

ACE_INLINE dirent *
ACE_Dirent::read (void)
{
  return this->dirp_ ? ACE_OS_Dirent::readdir (this->dirp_) : 0;
}

ACE_INLINE int
ACE_Dirent::read (struct dirent *entry,
                  struct dirent **result)
{
  return this->dirp_
         ? ACE_OS_Dirent::readdir_r (this->dirp_, entry, result)
         : 0;
}

ACE_INLINE void
ACE_Dirent::close (void)
{
  if (this->dirp_ != 0) 
    {
      ACE_OS_Dirent::closedir (this->dirp_);

      // Prevent double closure
      this->dirp_ = 0;
    }
}

ACE_INLINE void
ACE_Dirent::rewind (void)
{
  if (this->dirp_)
    ACE_OS_Dirent::rewinddir (this->dirp_);
}

ACE_INLINE void
ACE_Dirent::seek (long loc)
{
  if (this->dirp_)
    ACE_OS_Dirent::seekdir (this->dirp_, loc);
}

ACE_INLINE long
ACE_Dirent::tell (void)
{
  return this->dirp_ ? ACE_OS_Dirent::telldir (this->dirp_) : 0;
}