/* date = December 1st 2024 0:45 pm */

#ifndef ARENA_H

#define ARENA_H

typedef struct MArena {

u8 *mem;

psize size;

psize commit_size;

psize capacity;

MArena *next;

} MArena;

typedef struct MTempArena {

MArena *arena;

MArena *current;

psize offset;

} MTempArena;

#define ArenaPushStruct(arena, type) (type*)ArenaPush(arena, sizeof(type))

#define ArenaPushArray(arena, type, num) (type*)ArenaPush(arena, sizeof(type) * num)

MArena* ArenaNew(psize size);

u8 *ArenaPush(MArena *arena, psize size, bool zero = true);

void ArenaPop(MArena *arena, psize size);

void ArenaDestroy(MArena *arena);

void ArenaClear(MArena *arena);

inline MTempArena BeginTempArena(MArena *arena)

{

return {arena, arena->next, arena->next->size};

}

void EndTempArena(MTempArena *temp);

#endif //ARENA_H