jedioutcast/CODE-mp/qcommon/MiniHeap.h

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2013-04-04 14:52:42 +00:00
#if !defined(MINIHEAP_H_INC)
#define MINIHEAP_H_INC
class CMiniHeap
{
private:
char *mHeap;
char *mCurrentHeap;
int mSize;
public:
// reset the heap back to the start
void ResetHeap()
{
mCurrentHeap = mHeap;
}
// initialise the heap
CMiniHeap(int size)
{
mHeap = (char *)malloc(size);
mSize = size;
if (mHeap)
{
ResetHeap();
}
}
// free up the heap
~CMiniHeap()
{
if (mHeap)
{
free(mHeap);
}
}
// give me some space from the heap please
char *MiniHeapAlloc(int size)
{
if (size < (mSize - ((int)mCurrentHeap - (int)mHeap)))
{
char *tempAddress = mCurrentHeap;
mCurrentHeap += size;
return tempAddress;
}
return NULL;
}
};
extern CMiniHeap *G2VertSpaceServer;
extern CMiniHeap *G2VertSpaceClient;
#endif //MINIHEAP_H_INC