haiku/headers/os/storage/SymLink.h

//----------------------------------------------------------------------
//  This software is part of the OpenBeOS distribution and is covered 
//  by the OpenBeOS license.
//
//  File Name: SymLink.h
//---------------------------------------------------------------------
/*!
	\file SymLink.h
	BSymLink interface declaration.
*/

#ifndef _SYM_LINK_H
#define _SYM_LINK_H

#include <Node.h>
#include <StorageDefs.h>

#ifdef USE_OPENBEOS_NAMESPACE
namespace OpenBeOS {
#endif

/*!
	\class BSymLink
	\brief A symbolic link in the filesystem
	
	Provides an interface for manipulating symbolic links.

	\author <a href='mailto:bonefish@users.sf.net'>Ingo Weinhold</a>
	
	\version 0.0.0
*/
class BSymLink : public BNode {
public:
	BSymLink();
	BSymLink(const BSymLink &link);
	BSymLink(const entry_ref *ref);
	BSymLink(const BEntry *entry);
	BSymLink(const char *path);
	BSymLink(const BDirectory *dir, const char *path);
	virtual ~BSymLink();

	ssize_t ReadLink(char *buf, size_t size);

	ssize_t MakeLinkedPath(const char *dirPath, BPath *path);
	ssize_t MakeLinkedPath(const BDirectory *dir, BPath *path);

	bool IsAbsolute();

private:
	virtual void _MissingSymLink1();
	virtual void _MissingSymLink2();
	virtual void _MissingSymLink3();
	virtual void _MissingSymLink4();
	virtual void _MissingSymLink5();
	virtual void _MissingSymLink6();

	uint32 _reservedData[4];
	BEntry *fSecretEntry;

private:
	int get_fd() const;
};

#ifdef USE_OPENBEOS_NAMESPACE
};		// namespace OpenBeOS
#endif

#endif	// _SYM_LINK_H