43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef LIBFLINT_H_MEMORY
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#define LIBFLINT_H_MEMORY
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#include <stddef.h>
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#include "lflinkedlist.h"
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#ifndef DEFAULT_ALIGNMENT
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#define LF_DEFAULT_ALIGNMENT (2*sizeof(void*))
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#endif // DEFAULT_ALIGNMENT
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typedef struct {
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unsigned char* buf;
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size_t buf_sz;
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size_t offset_cur;
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size_t offset_prev;
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} ArenaAllocator;
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void arena_init(ArenaAllocator *allocator, size_t buf_sz);
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void arena_free(ArenaAllocator *allocator);
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void *arena_malloc(ArenaAllocator* allocator, size_t size);
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void arena_resize_buf(ArenaAllocator *allocator, size_t new_sz);
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void *arena_resize(ArenaAllocator *allocator, void *mem, size_t old_sz, size_t new_sz);
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void arena_clear(ArenaAllocator *allocator);
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typedef struct {
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unsigned char *buf;
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size_t buf_sz;
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size_t chunk_size;
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List *free_list;
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} PoolAllocator;
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void pool_init(PoolAllocator *allocator, size_t buf_sz, size_t chunk_sz, size_t chunk_align);
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void pool_free(PoolAllocator *allocator, void *ptr);
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void pool_free_all(PoolAllocator *allocator);
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void *pool_alloc(PoolAllocator *allocator);
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void pool_destroy(PoolAllocator *allocator);
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#define pool_count_available(x) (x)->free_list->size
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#endif // LIBFLINT_H_MEMORY
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