pool_allocator.h

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#pragma once
 
#include "defines.h"
 
typedef struct pool_allocator_free_node {
    u64 offset;
    struct pool_allocator_free_node* next;
} pool_allocator_free_node;
 
typedef struct pool_allocator {
    void* memory;
    pool_allocator_free_node* free_list_nodes;
    u64 element_size;
    u64 capacity;
    pool_allocator_free_node* free_list_head;
} pool_allocator;
 
KAPI pool_allocator pool_allocator_create(u64 element_size, u64 capacity);
KAPI void pool_allocator_destroy(pool_allocator* allocator);
 
KAPI void* pool_allocator_allocate(pool_allocator* allocator, u32* out_index);
KAPI void pool_allocator_free(pool_allocator* allocator, void* block);
 
KAPI u32 pool_allocator_elements_free(const pool_allocator* allocator);
KAPI u64 pool_allocator_space_free(const pool_allocator* allocator);