circular-queue.h

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#ifndef UEL_CIRCULAR_QUEUE_H
#define UEL_CIRCULAR_QUEUE_H
 
#include <stdint.h>
#include <stdbool.h>
 
typedef struct uel_cqueue uel_cqueue_t;
struct uel_cqueue {
    void **buffer;
    uintptr_t size;
    uintptr_t mask;
    uintptr_t tail;
    uintptr_t count;
};
 
void uel_cqueue_init(uel_cqueue_t *queue, void **buffer, uintptr_t size_log2n);
 
void uel_cqueue_clear(uel_cqueue_t *queue, bool clear_buffer);
 
bool uel_cqueue_push(uel_cqueue_t *queue, void *element);
 
void *uel_cqueue_pop(uel_cqueue_t *queue);
 
void *uel_cqueue_peek_tail(uel_cqueue_t *queue);
 
void *uel_cqueue_peek_head(uel_cqueue_t *queue);
 
bool uel_cqueue_is_full(uel_cqueue_t *queue);
 
bool uel_cqueue_is_empty(uel_cqueue_t *queue);
 
uintptr_t uel_cqueue_count(uel_cqueue_t *queue);
 
#endif  /* UEL_CIRCULAR_QUEUE_H */