rbuffer.h

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#ifndef __TBOX_RBUFFER_H__
#define __TBOX_RBUFFER_H__
 
#include <stdbool.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C"
{
#endif


typedef struct
{
    size_t write_pos;    
    size_t read_pos;     
    size_t capacity;     
    size_t element_size; 
    void*  buffer;       
} tbox_rbuffer_t;

int tbox_rbuffer_init(tbox_rbuffer_t* rbuffer, void* buffer, size_t buffer_size, size_t element_size);

void tbox_rbuffer_reset(tbox_rbuffer_t* rbuffer);

void tbox_rbuffer_reset_read(tbox_rbuffer_t* rbuffer);

bool tbox_rbuffer_initialized(const tbox_rbuffer_t* rbuffer);

size_t tbox_rbuffer_element_size(const tbox_rbuffer_t* rbuffer);

size_t tbox_rbuffer_capacity(const tbox_rbuffer_t* rbuffer);

size_t tbox_rbuffer_len(const tbox_rbuffer_t* rbuffer);

size_t tbox_rbuffer_avail(const tbox_rbuffer_t* rbuffer);

bool tbox_rbuffer_is_empty(const tbox_rbuffer_t* rbuffer);

bool tbox_rbuffer_is_full(const tbox_rbuffer_t* rbuffer);

size_t tbox_rbuffer_write(tbox_rbuffer_t* rbuffer, const void* data, size_t count);

size_t tbox_rbuffer_read(tbox_rbuffer_t* rbuffer, void* data, size_t count);

size_t tbox_rbuffer_peek(const tbox_rbuffer_t* rbuffer, void* data, size_t count);

size_t tbox_rbuffer_skip(tbox_rbuffer_t* rbuffer, size_t count);

 
#ifdef __cplusplus
}
#endif
 
#endif /* __TBOX_RBUFFER_H__ */