Commit 6f0d992a authored by baire's avatar baire
Browse files

fixed possible overflow

parent adb6de0f

codec/c++/sip_codets.cpp

+4 −1
Original line number Diff line number Diff line
@@ -1227,7 +1227,10 @@ void Payload::PreDecode(Buffer& buffer) throw (DecodeError) 
{

	// FIXME: this is not very clean

	// 	  -> should provide a way to skip a field in the decoder

	buffer.SetPosition(buffer.GetPosition() - Get_payloadlength().GetLength());

	int offset=buffer.GetPosition() - Get_payloadlength().GetLength();

	if (offset < 0)

		throw DecodeError (this, "Unable to decode Payload");

	buffer.SetPosition(offset);

}



void Payload::PostDecode(Buffer& buffer) throw (DecodeError)