libvieter/include/vieter_heap.h

#ifndef VIETER_HEAP
#define VIETER_HEAP

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

typedef struct vieter_heap vieter_heap;

typedef enum vieter_heap_error {
  vieter_heap_ok = 0,
  vieter_heap_empty = 1
} vieter_heap_error;

vieter_heap *vieter_heap_init();

void vieter_heap_free(vieter_heap *heap);

uint64_t vieter_heap_size(vieter_heap *heap);

vieter_heap_error vieter_heap_insert(vieter_heap *heap, uint64_t key,
                                     void *data);

vieter_heap_error vieter_heap_pop(void **out, vieter_heap *heap);

vieter_heap_error vieter_heap_peek(void **out, vieter_heap *heap);

#endif