#ifndef MACRO_HEAD_FILE
#define MACRO_HEAD_FILE

//////////////////////////////////////////////////////////////////////////////////
//常用常量

//无效数值
#define INVALID_BYTE				((BYTE)(0xFF))						//无效数值
#define INVALID_WORD				((WORD)(0xFFFF))					//无效数值
#define INVALID_DWORD				((DWORD)(0xFFFFFFFF))				//无效数值

//////////////////////////////////////////////////////////////////////////////////

//数组维数
#define CountArray(Array) (sizeof(Array)/sizeof(Array[0]))

//无效地址
#define INVALID_IP_ADDRESS(IPAddress) (((IPAddress==0L)||(IPAddress==INADDR_NONE)))

//////////////////////////////////////////////////////////////////////////////////

//存储长度
#ifdef _UNICODE
	#define CountStringBuffer CountStringBufferW
#else
	#define CountStringBuffer CountStringBufferA
#endif

//存储长度
#define CountStringBufferA(String) ((UINT)((lstrlenA(String)+1)*sizeof(CHAR)))
#define CountStringBufferW(String) ((UINT)((lstrlenW(String)+1)*sizeof(WCHAR)))

//字符数组长度
#define CountStringW(sz)	(sizeof(sz)>>1)
#define CountStringA(sz)	(sizeof(sz))
#ifdef UNICODE
#define CountString		CountStringW
#else
#define CountString		CountStringA
#endif

//////////////////////////////////////////////////////////////////////////////////

//接口释放
#define SafeRelease(pObject) { if (pObject!=NULL) { pObject->Release(); pObject=NULL; } }

//删除指针
#define SafeDelete(pData) { try { delete pData; } catch (...) { ASSERT(FALSE); } pData=NULL; } 

//关闭句柄
#define SafeCloseHandle(hHandle) { if (hHandle!=NULL) { CloseHandle(hHandle); hHandle=NULL; } }

//删除数组
#define SafeDeleteArray(pData) { try { delete [] pData; } catch (...) { ASSERT(FALSE); } pData=NULL; } 

//校验宏
#define VERIFY_RETURN_FALSE(x)			{if (!(x)){ ASSERT(0); return false; }}
#define VERIFY_RETURN_TRUE(x)			{if (!(x)){ ASSERT(0); return true; }}
#define VERIFY_THROW(x,y)				{if (!(x)){ ASSERT(0); throw (y); }}
#define VERIFY_RETURN_VOID(x)			{if (!(x)){ ASSERT(0); return; }}
#define VERIFY_RETURN(x,y)				{if (!(x)){ ASSERT(0); return (y); }}

//////////////////////////////////////////////////////////////////////////////////

#endif