Initial Commit

common/HEAP.HPP

@@ -0,0 +1,66 @@
+#ifndef _COMMON_HEAP_HPP_
+#define _COMMON_HEAP_HPP_
+#ifndef _COMMON_WINDOWS_HPP_
+#include <common/windows.hpp>
+#endif
+
+class Heap
+{
+public:
+  Heap(void);
+	Heap(DWORD initialSize);
+	virtual ~Heap();
+	LPVOID heapAlloc(DWORD allocLength);
+	BOOL heapFree(LPVOID pHeapData);
+  void heapDestroy(void);
+private:
+  enum {PageLength=4096};
+	Heap(const Heap& someHeap);
+	HANDLE mhHeap;
+};
+
+inline
+Heap::Heap(void)
+: mhHeap(::HeapCreate(0,PageLength,0))
+{  
+}
+
+inline
+Heap::Heap(DWORD initialSize)
+: mhHeap(::HeapCreate(0,initialSize,0))
+{
+}
+
+inline
+Heap::~Heap()
+{
+  heapDestroy();
+}
+
+inline
+LPVOID Heap::heapAlloc(DWORD allocLength)
+{
+  if(!mhHeap)return FALSE;
+	return ::HeapAlloc(mhHeap,0,allocLength);
+}
+
+inline
+BOOL Heap::heapFree(LPVOID pHeapData)
+{
+  if(!pHeapData||!mhHeap)return FALSE;
+	return ::HeapFree(mhHeap,0,pHeapData);
+}
+
+inline
+Heap::Heap(const Heap &/*someHeap*/)
+{
+}
+
+inline
+void Heap::heapDestroy(void)
+{
+  if(!mhHeap)return;
+	::HeapDestroy(mhHeap);
+	mhHeap=0;
+}
+#endif