echo befehl funktioniert

drv/driverexception.h

@@ -0,0 +1,32 @@
+#ifndef DRIVEREXCEPTION_H
+#define DRIVEREXCEPTION_H
+
+#include <exception>
+
+// SOURCE: https://stackoverflow.com/a/8152888
+
+class DriverException: public std::exception
+{
+public:
+	explicit DriverException(const char* message) : msg_(message)
+	{
+      	}
+
+	explicit DriverException(const std::string& message) : msg_(message)
+	{
+	}
+
+    	virtual ~DriverException() throw ()
+	{
+	}
+
+	virtual const char* what() const throw ()
+	{
+		return msg_.c_str();
+	}
+
+protected:
+	std::string msg_;
+};
+
+#endif