diskfile.h

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// DiskFile.h: interface for the DiskFile class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DISKFILE_H__2DB9DB49_32C1_4313_AD41_198B7EAABE94__INCLUDED_)
#define AFX_DISKFILE_H__2DB9DB49_32C1_4313_AD41_198B7EAABE94__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <stdio.h>
#include "FileDescriptor.h"

#define FILE_ERROR -1
#define FILE_EOF 0

enum fileOpenBit
{
	READ_BIT,
	WRITE_BIT,
	APPEND_BIT,
	BITSTREAM_BIT
};

enum fileOpenType
{
	READ = 1 << READ_BIT,
	WRITE = 1 << WRITE_BIT,
	APPEND = 1 <<APPEND_BIT,
	BITFORMAT = 1 << BITSTREAM_BIT
};

class DiskFile : public FileDescriptor  
{
public:
	DiskFile(const char *fname,const char *mode);
	virtual ~DiskFile();
	virtual bool open(const char *fname,const char *mode);
	virtual int write(const void* aBuffer, int aLen);
	virtual int read(void* aBuffer, int aBufLen);
	virtual void close();
	virtual int getLastError();
	virtual long size();
protected:
	FILE *f;
	int err;
	virtual void setLastError(int errCode);
};

#endif // !defined(AFX_DISKFILE_H__2DB9DB49_32C1_4313_AD41_198B7EAABE94__INCLUDED_)