#ifndef ARENA_H
#define ARENA_H

#include <stdint.h>

typedef struct {
    uint8_t *buffer;
    size_t capacity;
    size_t offset;
} Arena;

Arena *ArenaInit(size_t capacity);
void ArenaDestroy(Arena *arena);

void *ArenaAlloc(Arena *arena, size_t size);
void *ArenaAllocZero(Arena *arena, size_t size);

void ArenaFree(Arena *arena, size_t size);
void ArenaFreeAndNullify(Arena *arena, size_t size, void **ptrAddress);

// Fundamentally returns how many bytes have been allocated
size_t ArenaGetOffset(Arena *arena);

void ArenaSetOffsetBack(Arena *arena, size_t offset);
void ArenaClear(Arena *arena);

#endif // ARENA_H