34 lines
854 B
C
34 lines
854 B
C
#ifndef FREELIST_H
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#define FREELIST_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#define FL_FREE ((uint8_t)0x00)
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#define FL_USED ((uint8_t)0x01)
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typedef struct FreeListBlock {
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struct FreeListBlock *next;
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uint8_t block_state;
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} FreeListBlock;
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typedef struct {
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uintptr_t start;
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uintptr_t end;
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FreeListBlock *free;
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size_t size;
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size_t allocated;
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} FreeList;
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int fl_init(FreeList *fl, uintptr_t start, uintptr_t end, size_t itemsize);
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int fl_free(FreeList *fl, void *ptr);
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int fl_is_managed(FreeList *fl, void *ptr);
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void *fl_alloc(FreeList *fl);
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size_t fl_check(FreeList *fl);
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size_t fl_allocated(FreeList *fl);
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size_t fl_available(FreeList *fl);
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size_t fl_capacity(FreeList *fl);
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float fl_utilization(FreeList *fl, size_t itemsize);
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#endif // FREELIST_H
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