ringbuffer.h

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#ifndef __RINGBUFFER_H__
#define __RINGBUFFER_H__

#include <windows.h>

class RingBuffer
{
public:
	RingBuffer();
	RingBuffer(unsigned int size);
	virtual ~RingBuffer();

	void InitState();

	void Init(unsigned int size);
	void Init(char *data, unsigned int size, unsigned int start);

	void Write(char *data, unsigned int &size);
	void Write(char *data, long *plsize);
	void Read(char *data, unsigned int &size);

	int RestSize();
	int	DataSize();
	void Empty();

private:
	char *m_pBuf;
	unsigned int m_Size;
	unsigned int m_ReadPos;
	unsigned int m_WritePos;
	BOOL		 m_bOwnerBuf;
	CRITICAL_SECTION	m_mSecData;

private:


};



#endif //__RINGBUFFER_H__