include/std/arena_allocator.h


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#ifndef AMALGAM_ARENA_ALLOCATOR_H
#define AMALGAM_ARENA_ALLOCATOR_H

#include "defs.h"
#include "misc.h"
#include "types.h"
#include "buffer.h"

struct ArenaAllocatorNode {
    char *data;
    usize size;
    ArenaAllocatorNode *next;
};

struct ArenaAllocator {
    ArenaAllocatorNode head;
    ArenaAllocatorNode *current;
    Buffer/*<void*>*/ mems;
};

CHECK_RESULT int arena_allocator_node_init(ArenaAllocatorNode *self);
void arena_allocator_node_deinit(ArenaAllocatorNode *self);

CHECK_RESULT int arena_allocator_init(ArenaAllocator *self);
void arena_allocator_deinit(ArenaAllocator *self);
CHECK_RESULT int arena_allocator_alloc(ArenaAllocator *self, usize size, void **mem);
CHECK_RESULT int arena_allocator_add_mem(ArenaAllocator *self, usize *result_index);

#endif