#ifndef memory_h
#define memory_h

typedef struct {
	char* buffer;
	int size, blocks;
	int usage;
} Heap;

void memory_init(void* memory);

void* stack_alloc(int size);
void* stack_alloc_aligned(int size, unsigned align);

void heap_print_blocks();

int get_stack_usage();
int get_heap_usage();

void init_heap(Heap* heap, char* buf, int size);
void heap_print_blocks(const Heap* h);
void* heap_alloc_aligned(Heap* h, int size, int align);
void heap_free_aligned(Heap* h, void* ptr);
void* heap_alloc(Heap* h, int size);
void heap_free(Heap* h, void* ptr);
int heap_block_size(void* ptr);

void* galloc(int size);
void gfree(void* ptr);

typedef struct {
	char* buffer;
	int size, ptr;
} Arena;

void init_arena(Arena* arena, char* buffer, int size);
void* arena_alloc(Arena* arena, int size);
void* arena_alloc_aligned(
	Arena* arena,
	int size,
	int align
);

#endif