60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
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#ifndef RR_GENERIC_ALLOCATOR_H
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#define RR_GENERIC_ALLOCATOR_H
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#include <librr/types.h>
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typedef struct rr_generic_allocator rr_generic_allocator_s;
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typedef struct rr_generic_pool rr_generic_pool_s;
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typedef struct rr_generic_arena rr_generic_arena_s;
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typedef rr_generic_arena_s (*rr_create_arena_fn) (usz_t capacity);
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typedef rr_generic_pool_s (*rr_create_pool_fn) (usz_t item_size, usz_t num_items);
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struct rr_generic_allocator
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{
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void * (*fn_alloc) (rr_generic_allocator_s *allocator, usz_t num_bytes);
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void (*fn_free) (rr_generic_allocator_s *allocator, void *block);
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void (*fn_destruct) (rr_generic_allocator_s *allocator);
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void *specifics;
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};
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struct rr_generic_pool
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{
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void * (*fn_alloc) (rr_generic_pool_s *pool);
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void (*fn_free) (rr_generic_pool_s *pool, void *block);
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void (*fn_destruct) (rr_generic_pool_s *pool);
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void *specifics;
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};
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struct rr_generic_arena
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{
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void * (*fn_alloc) (rr_generic_arena_s *arena, usz_t num_bytes);
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void (*fn_destruct) (rr_generic_arena_s *arena);
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void *specifics;
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};
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void * rr_alloc(rr_generic_allocator_s *allocator, usz_t size);
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void rr_free(rr_generic_allocator_s *allocator, void *allocation);
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void * rr_arena_alloc(rr_generic_arena_s *arena, usz_t size);
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void * rr_pool_alloc(rr_generic_pool_s *pool);
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void rr_pool_free(rr_generic_pool_s *pool, void *allocation);
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#ifndef __RR_AVOID_STDLIB
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rr_generic_allocator_s rr_provide_stdlib_allocator();
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#endif // __RR_AVOID_STDLIB
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rr_generic_arena_s rr_provide_arena(rr_generic_allocator_s *allocator, usz_t len_allocation);
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rr_generic_pool_s rr_provide_dynamic_pool(rr_generic_allocator_s *allocator, usz_t item_size, usz_t capacity);
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rr_generic_pool_s rr_provide_static_pool(rr_generic_allocator_s *allocator, usz_t item_size, usz_t capacity);
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rr_generic_arena_s rr_provide_arena_from_malloc(usz_t len_allocation);
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rr_generic_pool_s rr_provide_dynamic_pool_from_malloc(usz_t item_size, usz_t capacity);
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rr_generic_pool_s rr_provide_static_pool_from_malloc(usz_t item_size, usz_t capacity);
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#endif // RR_GENERIC_ALLOCATOR_H
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