OSAlloc.h

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#ifndef __DOLPHIN_OSALLOC_H_
#define __DOLPHIN_OSALLOC_H_
 
#include <platform.h>
 
typedef struct _HeapCell {
    struct _HeapCell* prev;
    struct _HeapCell* next;
    size_t size;
} HeapCell;
 
typedef struct _Heap {
    s32 size;
    struct _HeapCell* free;      // linked list of free cells
    struct _HeapCell* allocated; // linked list of allocated cells
} Heap;
 
typedef int OSHeapHandle;
 
extern volatile OSHeapHandle __OSCurrHeap;
 
void* OSInitAlloc(void*, void*, int);
OSHeapHandle OSCreateHeap(void*, void*);
void OSDestroyHeap(size_t idx);
OSHeapHandle OSSetCurrentHeap(OSHeapHandle);
void* OSAllocFromHeap(OSHeapHandle heap, size_t size);
size_t OSCheckHeap(OSHeapHandle);
void OSFreeToHeap(OSHeapHandle heap, void* ptr);
 
#define OSAlloc(size) OSAllocFromHeap(__OSCurrHeap, (size))
#define OSFree(ptr) OSFreeToHeap(__OSCurrHeap, (ptr))
 
#endif