ACE/ace/os_include/os_dirent.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    os_dirent.h
   6  *
   7  *  format of directory entries
   8  *
   9  *  @author Don Hinton <dhinton@dresystems.com>
  10  *  @author This code was originally in various places including ace/OS.h.
  11  */
  12 //=============================================================================
  13
  14 #ifndef ACE_OS_INCLUDE_OS_DIRENT_H
  15 #define ACE_OS_INCLUDE_OS_DIRENT_H
  16
  17 #include /**/ "ace/pre.h"
  18
  19 #include /**/ "ace/config-all.h"
  20
  21 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  22 # pragma once
  23 #endif /* ACE_LACKS_PRAGMA_ONCE */
  24
  25 #include "ace/os_include/sys/os_types.h"
  26 #include "ace/os_include/os_limits.h"
  27
  28 #if !defined (ACE_LACKS_DIRENT_H)
  29 # include /**/ <dirent.h>
  30 #endif /* !ACE_LACKS_DIRENT_H */
  31
  32 // Place all additions (especially function declarations) within extern "C" {}
  33 #ifdef __cplusplus
  34 extern "C"
  35 {
  36 #endif /* __cplusplus */
  37
  38 #if !defined (MAXNAMLEN)
  39 #  define MAXNAMLEN NAME_MAX
  40 #endif /* !MAXNAMLEN */
  41
  42 // At least compile on some of the platforms without <ACE_DIR> info yet.
  43 #if !defined (ACE_HAS_DIRENT)
  44 typedef int ACE_DIR;
  45 struct dirent {
  46 };
  47 #endif /* ACE_HAS_DIRENT */
  48
  49 #if defined (ACE_LACKS_STRUCT_DIR)
  50 struct dirent {
  51   unsigned short d_ino;
  52   unsigned short d_off;
  53   unsigned short d_reclen;
  54   // This must be a ACE_TCHAR * and not a one element
  55   // ACE_TCHAR array.  It causes problems on wide
  56   // character builds with Visual C++ 6.0.
  57   ACE_TCHAR *d_name;
  58 };
  59
  60 #define ACE_DIRENT dirent
  61 #define ACE_HAS_TCHAR_DIRENT
  62
  63 struct ACE_DIR {
  64   /// The name of the directory we are looking into
  65   ACE_TCHAR *directory_name_;
  66
  67 #if !defined (ACE_MQX)
  68   /// Remember the handle between calls.
  69   HANDLE current_handle_;
  70 #endif
  71
  72   /// The struct for the results
  73   ACE_DIRENT *dirent_;
  74
  75   /// The struct for intermediate results.
  76   ACE_TEXT_WIN32_FIND_DATA fdata_;
  77
  78   /// A flag to remember if we started reading already.
  79   int started_reading_;
  80 };
  81 #elif defined (ACE_WIN32) && (__BORLANDC__) && defined (ACE_USES_WCHAR)
  82 #define ACE_HAS_TCHAR_DIRENT
  83 #if defined(__MINGW64__)
  84 # define ACE_DIRENT _wdirent
  85 typedef _WDIR ACE_DIR;
  86 #else
  87 # define ACE_DIRENT wdirent
  88 typedef wDIR ACE_DIR;
  89 #endif
  90 #else
  91 #define ACE_DIRENT dirent
  92 typedef DIR ACE_DIR;
  93 #endif /* ACE_LACKS_STRUCT_DIR */
  94
  95 #if defined (ACE_LACKS_SCANDIR_PROTOTYPE)
  96 int scandir (const char *,
  97              struct dirent ***,
  98              int (*) (const struct dirent *),
  99              int (*) (const void *, const void *));
 100 #endif /* ACE_LACKS_SCANDIR_PROTOTYPE */
 101
 102 #if defined (ACE_LACKS_ALPHASORT_PROTOTYPE)
 103 int alphasort (const void *, const void *);
 104 #endif /* ACE_LACKS_ALPHASORT_PROTOTYPE */
 105
 106 #ifdef __cplusplus
 107 }
 108 #endif /* __cplusplus */
 109
 110 #include /**/ "ace/post.h"
 111 #endif /* ACE_OS_INCLUDE_OS_DIRENT_H */