Memory leak cleanups.

[libplp.git] / src / SensorDevice.hh

diff --git a/src/SensorDevice.hh b/src/SensorDevice.hh
index 1eea03165a57f229ab0527b499c114fab99aa0d8..b6830344bfd516270392c6bc86fc0807e69ec0d5 100644 (file)
--- a/src/SensorDevice.hh
+++ b/src/SensorDevice.hh
@@ -19,7 +19,8 @@ namespace plp {
        class SensorDevice : public Device {
                public:
                        SensorDevice(std::string id_param, std::string type_param) : Device(id_param, type_param) {}
-                       virtual DataReader *get_device_data() = 0;
+                       virtual ~SensorDevice() {}
+                       virtual const DataReader *get_device_data() = 0;
                        virtual string get_unit() = 0;
                        virtual plp::Data *get_data() = 0;
        };