36 lines
736 B
C
36 lines
736 B
C
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#ifndef ARENA_ALLOCATOR_H
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#define ARENA_ALLOCATOR_H
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#include "utils.h"
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#include "vector_impl.h"
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#include <stdint.h>
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#include <stdlib.h>
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#define ARENA_BLOCK_SIZE 4096
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typedef struct {
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size_t size;
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byte *data;
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byte *end;
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} ArenaBlock;
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void arena_block_drop(ArenaBlock block);
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VECTOR_IMPL(ArenaBlock, ArenaBlockVec, arena_block, arena_block_drop);
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// Simple growing arena allocator
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typedef struct {
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ArenaBlockVec blocks;
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ArenaBlock *last;
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byte *ptr;
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} ArenaAllocator;
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// Create a new arena allocator
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ArenaAllocator arena_init();
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// Allocate size bytes in the arena
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void *arena_alloc(ArenaAllocator *alloc, size_t size);
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// Destroy the arena, freeing its memory
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void arena_drop(ArenaAllocator arena);
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#endif
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