control/lib/lib_buffer.h

#ifndef __BUFFER
#define __BUFFER


typedef struct
{
    unsigned char  *pHead;//环形存储区的首地址
    unsigned char  *pTail;//环形存储区的结尾地址   
    unsigned char  *pValid;//已使用的缓冲区的首地址
    unsigned char  *pValidTail;//已使用的缓冲区的尾地址
    unsigned int pop_size;
    unsigned int push_size;
    unsigned int   size;
} TBuffferOBJ;

typedef TBuffferOBJ* TBufffer;

TBufffer TBuffer_Init(TBuffferOBJ *data, void *buffer, int buff_size);
void TBuffer_Fini(TBuffferOBJ *data);
int TBuffer_Push(TBufffer Object, const void *data, int size);
int TBuffer_Peek(TBufffer Object, void *data, int size); //返回实际尺寸
int TBuffer_Pop(TBufffer Object, void *data, int size);
#endif