stream_buffer.h

#ifndef _STREAM_BUFFER_H_
#define _STREAM_BUFFER_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <inttypes.h>
#include <stddef.h>
//#include "common.h"
typedef struct
{
    void    *buf;
    uint32_t len;
    uint32_t index;
    uint64_t counter;
    size_t   itemSize;
} StreamBuffer;

StreamBuffer* stream_buffer_create (uint32_t len, size_t itemSize);
int stream_buffer_destroy (StreamBuffer* sb);
int stream_buffer_insert (StreamBuffer* sb, void * src);
int stream_buffer_reset (StreamBuffer* sb);
int stream_buffer_get (StreamBuffer* sb, void *buf, uint32_t* len);
int stream_buffer_resize (StreamBuffer *sb, uint32_t newLen);
int stream_buffer_counter_to_index (StreamBuffer* sb, uint64_t counter);
uint64_t stream_buffer_index_to_counter (StreamBuffer* sb, uint32_t index);

#ifdef __cplusplus
} /* end extern C */
#endif

#endif /* _STREAM_BUFFER_H_ */