搞不定offsetof警告，改用指针，屏蔽sizeof隐式截断

Net/Ethernet.h

@@ -177,8 +177,11 @@ typedef struct _TCP_HEADER
 
 	void Init(bool recursion = false)
 	{
+#pragma  GCC diagnostic ignored  "-Woverflow"
 		Length = (byte)sizeof(this[0]);
 		//Length	= (byte)0x14;
+#pragma  GCC diagnostic warning  "-Woverflow"
+
 		reserved_1 = 0;
 		reserved_2 = 0;
 		//WindowSize = _REV16(8192);

TinyNet/Device.cpp

@@ -43,7 +43,10 @@ void Device::Write(Stream& ms) const
 {
 	TS("Device::Write");
 
+/*#pragma  GCC diagnostic ignored  "-Winvalid-offsetof"
 	Buffer bs((void*)&Address, offsetof(Device, Cfg) - offsetof(Device, Address));
+#pragma  GCC diagnostic warning  "-Winvalid-offsetof"*/
+	Buffer bs((void*)&Address, (byte*)&Cfg - (byte*)&Address);
 	ms.WriteArray(bs);
 }
 
@@ -52,7 +55,8 @@ void Device::Read(Stream& ms)
 	TS("Device::Read");
 
 	// 为了避免不同版本的配置兼容，指定长度避免覆盖过头
-	Buffer bs(&Address, offsetof(Device, Cfg) - offsetof(Device, Address));
+	//Buffer bs(&Address, offsetof(Device, Cfg) - offsetof(Device, Address));
+	Buffer bs(&Address, (byte*)&Cfg - (byte*)&Address);
 	//bs	= ms.ReadArray();
 	// 为了减少一个临时对象，直接传入外部包装给内部拷贝
 	uint len 	= ms.ReadEncodeInt();

TokenNet/TokenMessage.cpp

@@ -538,8 +538,9 @@ TokenStat::TokenStat()
 	_Last		= nullptr;
 	_Total		= nullptr;*/
 
-	int start	= offsetof(TokenStat, SendRequest);
-	Buffer((byte*)this + start, sizeof(TokenStat) - start).Clear();
+	/*int start	= offsetof(TokenStat, SendRequest);
+	Buffer((byte*)this + start, sizeof(TokenStat) - start).Clear();*/
+	Buffer(&SendRequest, (byte*)&WriteReply + sizeof(WriteReply) - (byte*)&SendRequest).Clear();
 }
 
 TokenStat::~TokenStat()

Tool/GCC.cs

@@ -693,7 +693,7 @@ namespace NewLife.Reflection
 
         private String GetObjPath(String file)
         {
-            var objName = "Obj";
+            var objName = "Gcc";
             if (Tiny)
                 objName += "T";
             else if (Debug)