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// -*- C++ -*-
//=============================================================================
/**
* @file OS_Dirent.h
*
* $Id$
*
* @author Doug Schmidt <schmidt@cs.wustl.edu>
* @author Jesper S. M|ller<stophph@diku.dk>
* @author and a cast of thousands...
*/
//=============================================================================
#ifndef ACE_OS_DIRENT_H
#define ACE_OS_DIRENT_H
#include "ace/pre.h"
#include "ace/config-all.h"
#include "ace/OS_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (ACE_WIN32) && !defined (ACE_PSOS) && !defined (ACE_HAS_WINCE)
# include /**/ <sys/types.h>
# if !defined (ACE_LACKS_UNISTD_H)
# include /**/ <unistd.h> // VxWorks needs this to compile
# endif /* !ACE_LACKS_UNISTD_H */
# include /**/ <dirent.h>
#endif /* !ACE_WIN32 && !ACE_PSOS */
// At least compile on some of the platforms without <ACE_DIR> info yet.
# if !defined (ACE_HAS_DIRENT)
typedef int ACE_DIR;
struct dirent {
};
# endif /* ACE_HAS_DIRENT */
#if defined (ACE_LACKS_STRUCT_DIR)
struct dirent {
unsigned short d_ino;
unsigned short d_off;
unsigned short d_reclen;
ACE_TCHAR d_name[1];
};
struct ACE_DIR {
/// The name of the directory we are looking into
ACE_TCHAR *directory_name_;
/// Remember the handle between calls.
HANDLE current_handle_;
/// The struct for the results
dirent *dirent_;
/// The struct for intermediate results.
ACE_TEXT_WIN32_FIND_DATA fdata_;
/// A flag to remember if we started reading already.
int started_reading_;
};
#elif defined (ACE_PSOS) && !defined (ACE_PSOS_DIAB_PPC)
// Create our own definition of the DIR struct, like what
// is available in the newer DIAB PPC header files
struct ACE_DIR
{
/// The directory handle
XDIR xdir;
/// The directory entry
struct dirent dirent;
};
#else
typedef DIR ACE_DIR;
# endif /* ACE_LACKS_STRUCT_DIR */
#if defined rewinddir
# undef rewinddir
#endif /* rewinddir */
/**
* @class ACE_OS_Dirent
*
* @brief This class is a wrapper for the dirent.h operations
*
*/
class ACE_OS_Export ACE_OS_Dirent
{
public:
static ACE_DIR *opendir (const ACE_TCHAR *filename);
static void closedir (ACE_DIR *);
static dirent *readdir (ACE_DIR *);
static int readdir_r (ACE_DIR *dirp,
dirent *entry,
dirent **result);
static long telldir (ACE_DIR *);
static void seekdir (ACE_DIR *,
long loc);
static void rewinddir (ACE_DIR *);
static int scandir (const ACE_TCHAR *dirname,
dirent **namelist[],
int (*selector) (const dirent *filename),
int (*comparator) (const dirent **f1,
const dirent **f2));
private:
// Win32 emulation functions
static ACE_DIR *opendir_emulation (const ACE_TCHAR *filename);
static int scandir_emulation (const ACE_TCHAR *dirname,
dirent **namelist[],
int (*selector)(const dirent *entry),
int (*comparator)(const dirent **f1,
const dirent**f2));
static void closedir_emulation (ACE_DIR *);
static dirent *readdir_emulation (ACE_DIR *);
};
# if defined (ACE_HAS_INLINED_OSCALLS)
# if defined (ACE_INLINE)
# undef ACE_INLINE
# endif /* ACE_INLINE */
# define ACE_INLINE inline
# include "ace/OS_Dirent.inl"
# endif /* ACE_HAS_INLINED_OSCALLS */
#include "ace/post.h"
#endif /* ACE_OS_DIRENT_H */
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