1 files changed, 86 insertions, 0 deletions

diff --git a/private/unimodem/new/mic/alloc.h b/private/unimodem/new/mic/alloc.h
new file mode 100644
index 000000000..ae5637608
--- /dev/null
+++ b/private/unimodem/new/mic/alloc.h
@@ -0,0 +1,86 @@
+//
+//		Copyright (c) 1996 Microsoft Corporation
+//
+//
+//		ALLOC.H		-- Header for Classes:
+//							CAllococator
+//							
+//
+//		History:
+//			05/22/96	JosephJ		Created
+//
+//
+#if (TODO) 
+
+
+class CAllocator
+{
+	Allocator(UINT uSize)	: m_uSize(uSize)
+	{
+		ASSERT(!(uSize %sizeof(void *)));
+		m_uBlockSize = (uSize+sizeof(void *))
+		if (uSize<1000)
+			m_uBlockSize = m_uBlockSize*10 + sizeof(void *)
+
+		m_uBlockSize += sizeof (void*);
+	}
+
+	~Allocator()
+	{
+		void *pList = m_pBlockList;
+		while(pList)
+		{
+	 		void *pOld = pList;
+			pList = (void *) *pList;
+			GlobalFree(pOld);
+		}
+	}
+
+	void * Alloc(void)
+	{
+		m_sync.EnterCrit();
+
+		void *pvRet = m_pFreeList;
+
+		if (!m_pFreeList)
+		{
+			void *pv = GlobalAlloc(LPTR, m_uBlockSize);
+			void *pvEnd = pv+m_uBlockSize;
+			if (pv)
+			{
+				*pv  = m_pvBlockList;
+				m_pvBlockList = pv;
+				m_pFreeList = ++pv;
+				for(;;pv = *pv)
+				{
+					*pv = pv + m_uSize + sizeof (void *);
+					if (*pv >= pvEnd) {*pv=NULL;break;}
+					pv = *pv;
+				}
+				pvRet = m_pFreeList;
+			}
+		}
+
+		m_sync.LeaveCrit();
+
+		return pvRet;
+	}
+
+	void Free(void *pv)
+	{
+		m_sync.EnterCrit();
+		pv--;
+		*pv = m_pFreeList;
+		m_pFreeList=*pv;
+		m_sync.LeaveCrit();
+	}
+
+private:
+
+	void *	m_pFreeList;
+	void *	m_pBlockList;
+	const	UINT	m_uSize;
+	UINT	m_uBlockSize;
+	CSync	m_sync;
+}
+#endif (TODO)