#ifndef DEF_HEAP_H
#define DEF_HEAP_H

#include "types.h"

struct heap_header {
	uint32_t magic;
	uint32_t is_hole;
	size_t size;
};

struct heap_footer {
	uint32_t magic;
	struct heap_header *header;
};

struct heap {
	struct heap_header **idx;
	uint32_t idxused;
	size_t start_addr, end_addr, max_end;
};

void heap_create(struct heap *heap, size_t start, size_t idxsize, size_t datasize, size_t maxdatasize);
void* heap_alloc(struct heap *heap, size_t sz);
void heap_free(struct heap *heap, void* ptr);

#endif