Fixing some Visual C++ warnings

meteoio/BufferedIOHandler.cc

@@ -36,6 +36,22 @@ BufferedIOHandler::~BufferedIOHandler() throw()
 #endif
 {}
 
+BufferedIOHandler& BufferedIOHandler::operator=(const BufferedIOHandler& source) {
+	if(this != &source) {
+		iohandler = source.iohandler;
+		vec_buffer_meteo = source.vec_buffer_meteo;
+		mapBufferedGrids = source.mapBufferedGrids;
+		IndexBufferedGrids = source.IndexBufferedGrids;
+		buffer_start = source.buffer_start;
+		buffer_end = source.buffer_end;
+		chunk_size = source.chunk_size;
+		buff_before = source.buff_before;
+		chunks = source.chunks;
+		max_grids = source.max_grids;
+	}
+	return *this;
+}
+
 void BufferedIOHandler::bufferGrid(const Grid2DObject& in_grid2Dobj, const std::string& in_filename)
 {
 	if(IndexBufferedGrids.size() >= max_grids) { //we need to remove the oldest grid

meteoio/BufferedIOHandler.h

@@ -76,6 +76,8 @@ class BufferedIOHandler : public IOInterface {
 		virtual ~BufferedIOHandler() throw();
 	#endif
 
+		BufferedIOHandler& operator=(const BufferedIOHandler&); ///<Assignement operator
+
 		///Keywords for slope computation algorithm
 		typedef enum BUFFER_POLICY {
 			KEEP_NODATA, ///< when a data point is nodata in the buffer, return the buffered value

meteoio/IOHandler.cmake.cc

@@ -208,6 +208,16 @@ IOHandler::~IOHandler() throw(){
 	}
 }
 
+IOHandler& IOHandler::operator=(const IOHandler& source) {
+	if(this != &source) {
+		mapPlugins = source.mapPlugins;
+		copy_parameter = source.copy_parameter;
+		copy_name = source.copy_name;
+		enable_copying = source.enable_copying;
+	}
+	return *this;
+}
+
 IOInterface* IOHandler::getPlugin(const std::string& cfgkey, const std::string& cfgsection)
 {
 	std::string op_src="";

meteoio/IOHandler.h

@@ -49,6 +49,8 @@ class IOHandler : public IOInterface {
 		virtual ~IOHandler() throw();
 	#endif
 
+		IOHandler& operator=(const IOHandler&); ///<Assignement operator
+
 		//methods defined in the IOInterface class
 		virtual void read2DGrid(Grid2DObject& out_grid, const std::string& parameter="");
 		virtual void read2DGrid(Grid2DObject& grid_out, const MeteoGrids::Parameters& parameter, const Date& date);

meteoio/plugins/SNIO.cc

@@ -300,7 +300,7 @@ void SNIO::readMetaData()
 				}
 			}
 			vecAllStations.push_back(sd);
-			cerr << "\t[i] Read meta data for station ID \"" << station_id << "\"\n";
+			//cerr << "[i] Read meta data for station ID \"" << station_id << "\"\n";
 		}
 
 		current_stationnr++;