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153 lines
4.4 KiB
C++
153 lines
4.4 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file OS_NS_dirent.h
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*
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* $Id: OS_NS_dirent.h 80826 2008-03-04 14:51:23Z wotte $
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*
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* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
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* @author Jesper S. M|ller<stophph@diku.dk>
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* @author and a cast of thousands...
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*
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* Originally in OS.h.
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*/
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//=============================================================================
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#ifndef ACE_OS_NS_DIRENT_H
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# define ACE_OS_NS_DIRENT_H
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# include /**/ "ace/pre.h"
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# include "ace/config-all.h"
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# if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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# endif /* ACE_LACKS_PRAGMA_ONCE */
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#include "ace/os_include/os_dirent.h"
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#include /**/ "ace/ACE_export.h"
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#if defined (ACE_EXPORT_MACRO)
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# undef ACE_EXPORT_MACRO
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#endif
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#define ACE_EXPORT_MACRO ACE_Export
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// Define the scandir() selector and comparator function types. Many platforms
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// define these in terms of const pointers to dirent arrays/structs. Some
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// platforms use void pointers instead. The ACE-exported API is defined in
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// terms of the dirent-using function types, and if the OS-native scandir()
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// uses void*, that's handled internal to the ACE_OS::scandir() wrapper using
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// the ACE_SCANDIR_OS_COMPARATOR.
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extern "C" {
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#if defined (ACE_SCANDIR_CMP_USES_VOIDPTR)
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typedef int (*ACE_SCANDIR_OS_COMPARATOR)(void *f1, void *f2);
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#elif defined (ACE_SCANDIR_CMP_USES_CONST_VOIDPTR)
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typedef int (*ACE_SCANDIR_OS_COMPARATOR)(const void *f1, const void *f2);
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#endif /* ACE_SCANDIR_CMP_USES_VOIDPTR */
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typedef int (*ACE_SCANDIR_COMPARATOR)(const ACE_DIRENT **f1,
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const ACE_DIRENT **f2);
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#if defined (ACE_SCANDIR_SEL_LACKS_CONST)
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typedef int (*ACE_SCANDIR_OS_SELECTOR)(ACE_DIRENT *filename);
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#endif /* ACE_SCANDIR_SEL_LACKS_CONST */
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typedef int (*ACE_SCANDIR_SELECTOR)(const ACE_DIRENT *filename);
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}
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/*
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* We inline and undef some functions that may be implemented
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* as macros on some platforms. This way macro definitions will
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* be usable later as there is no way to save the macro definition
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* using the pre-processor.
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*
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*/
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#if !defined (ACE_LACKS_REWINDDIR)
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# if !defined (ACE_HAS_WREWINDDIR) || !defined (ACE_USES_WCHAR)
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inline void ace_rewinddir_helper (ACE_DIR *dir)
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{
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# if defined (rewinddir)
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rewinddir (dir);
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# undef rewinddir
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# else
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::rewinddir (dir);
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# endif /* defined (rewinddir) */
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}
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# endif /* !defined (ACE_HAS_WREWINDDIR) && !defined (ACE_USES_WCHAR) */
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#endif /* ACE_LACKS_REWINDDIR */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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namespace ACE_OS {
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ACE_NAMESPACE_INLINE_FUNCTION
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void closedir (ACE_DIR *);
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ACE_NAMESPACE_INLINE_FUNCTION
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ACE_DIR *opendir (const ACE_TCHAR *filename);
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ACE_NAMESPACE_INLINE_FUNCTION
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struct ACE_DIRENT *readdir (ACE_DIR *);
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ACE_NAMESPACE_INLINE_FUNCTION
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int readdir_r (ACE_DIR *dirp,
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struct ACE_DIRENT *entry,
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struct ACE_DIRENT **result);
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ACE_NAMESPACE_INLINE_FUNCTION
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void rewinddir (ACE_DIR *);
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ACE_NAMESPACE_INLINE_FUNCTION
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int scandir (const ACE_TCHAR *dirname,
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struct ACE_DIRENT **namelist[],
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ACE_SCANDIR_SELECTOR selector,
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ACE_SCANDIR_COMPARATOR comparator);
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ACE_NAMESPACE_INLINE_FUNCTION
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int alphasort (const void *, const void *);
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ACE_NAMESPACE_INLINE_FUNCTION
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void seekdir (ACE_DIR *,
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long loc);
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ACE_NAMESPACE_INLINE_FUNCTION
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long telldir (ACE_DIR *);
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// Win32 emulation functions
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#if defined (ACE_LACKS_OPENDIR)
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extern ACE_Export
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ACE_DIR *opendir_emulation (const ACE_TCHAR *filename);
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#endif /* ACE_LACKS_OPENDIR */
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#if !defined (ACE_HAS_SCANDIR)
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extern ACE_Export
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int scandir_emulation (const ACE_TCHAR *dirname,
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ACE_DIRENT **namelist[],
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ACE_SCANDIR_SELECTOR selector,
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ACE_SCANDIR_COMPARATOR comparator);
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#endif /* !ACE_HAS_SCANDIR */
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#if defined (ACE_LACKS_CLOSEDIR)
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extern ACE_Export
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void closedir_emulation (ACE_DIR *);
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#endif /* ACE_LACKS_CLOSEDIR */
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#if defined (ACE_LACKS_READDIR)
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extern ACE_Export
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struct ACE_DIRENT *readdir_emulation (ACE_DIR *);
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#endif /* ACE_LACKS_READDIR */
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} /* namespace ACE_OS */
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ACE_END_VERSIONED_NAMESPACE_DECL
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# if defined (ACE_HAS_INLINED_OSCALLS)
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# if defined (ACE_INLINE)
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# undef ACE_INLINE
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# endif /* ACE_INLINE */
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# define ACE_INLINE inline
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# include "ace/OS_NS_dirent.inl"
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# endif /* ACE_HAS_INLINED_OSCALLS */
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# include /**/ "ace/post.h"
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#endif /* ACE_OS_NS_DIRENT_H */
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