bitringlib.h

环形缓冲库

#ifndef __BIT_RING_LIB
#define __BIT_RING_LIB

typedef enum
{
	BUFF_FULL,
	BUFF_EMPTY,
	BUFF_NORMAL,
} buffStatus;

typedef struct
{
	int              iReadOffset;
	int              iWriteOffset;
	int              iBufSize;
	buffStatus       enumBuffStatus;
	char            *pcBuffStart;
}strBitRing;

typedef strBitRing* BIT_RNG_ID;


BIT_RNG_ID bitRingCreate( int iNum );
int        bitRingDelete( BIT_RNG_ID bitRingId );
int        bitRingPut( BIT_RNG_ID bitRingId, unsigned char *pucDataBuff, int iDataBuffMaxLenth,
                       int iPutDataBitNum );
int        bitRingGet( BIT_RNG_ID bitRingId, unsigned char *pucDataBuff, int iDataBuffMaxLenth,
                       int iGetDataBitNum );
int        bitRingFlush  ( BIT_RNG_ID bitRingId );
int        bitRingIsEmpty( BIT_RNG_ID bitRingId );
int        bitRingIsFull ( BIT_RNG_ID bitRingId );

#endif