#ifndef AOC_2021_QUEUE_H
#define AOC_2021_QUEUE_H

#include <stdint.h>
#include <stddef.h>

typedef enum {
    QUEUE_OK,
    QUEUE_FULL = -1,
    QUEUE_EMPTY = -1,
    QUEUE_DATA_INVALID = -1,
} queue_ret_t;

typedef struct {
    void * data;
    size_t push_ndx;
    size_t pop_ndx;
    size_t queued_elements;
    size_t max_data_size;
    size_t element_size;
} queue_t;

queue_ret_t init(queue_t * queue, void * data, size_t max_data_size, size_t element_size);
queue_ret_t push(queue_t * queue, void * element);
queue_ret_t pop(queue_t * queue, void * store_to);


#endif //AOC_2021_QUEUE_H