neptune/kern/libkern/freelist.h
2025-09-09 11:11:28 +02:00

28 lines
718 B
C

#ifndef FREELIST_H
#define FREELIST_H
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
typedef struct FreeListBlock FreeListBlock;
typedef struct {
FreeListBlock *free;
uintptr_t start;
uintptr_t end;
size_t size;
size_t allocated;
} FreeList;
int fl_init(FreeList *fl, uintptr_t start, size_t size_bytes, size_t itemsize);
int fl_free(FreeList *fl, void *ptr);
int fl_is_managed(FreeList *fl, void *ptr);
void *fl_alloc(FreeList *fl);
size_t fl_check(FreeList *fl);
size_t fl_allocated(FreeList *fl);
size_t fl_available(FreeList *fl);
size_t fl_capacity(FreeList *fl);
float fl_utilization(FreeList *fl, size_t itemsize);
#endif // FREELIST_H