Fix missing class initialization in constructors.

Modernize deleted copy constructor and copy assignment.
Mark cppcheck detected duplicate inherited update() method as fine.

src/emc/canterp/canterp.cc

@@ -67,7 +67,7 @@ static char the_command_args[LINELEN] = { 0 };	// just the args part
 
 class Canterp : public InterpBase {
 public:
-    Canterp () : f(0) {}
+    Canterp () : f(0), filename{} {}
     char *error_text(int errcode, char *buf, size_t buflen) override;
     char *stack_name(int index, char *buf, size_t buflen) override;
     char *line_text(char *buf, size_t buflen) override;

src/emc/nml_intf/canon.hh

@@ -150,7 +150,28 @@ typedef struct {
 } CanonSpindle_t;
 
 typedef struct CanonConfig_t {
-    CanonConfig_t() : rotary_unlock_for_traverse(-1) {}
+    CanonConfig_t()
+        : xy_rotation(0.0),
+          rotary_unlock_for_traverse(-1),
+          g5xOffset{},
+          g92Offset{},
+          endPoint{},
+          lengthUnits(CANON_UNITS_INCHES),
+          activePlane(CANON_PLANE::XY),
+          toolOffset{},
+          motionMode(CANON_EXACT_STOP),
+          motionTolerance(0.0),
+          naivecamTolerance(0.0),
+          feed_mode(0),
+          spindle_num(0),
+          spindle{},
+          linearFeedRate(0.0),
+          angularFeedRate(0.0),
+          optional_program_stop(false),
+          block_delete(false),
+          cartesian_move(0),
+          angular_move(0)
+    {}
 
     double xy_rotation;
     int rotary_unlock_for_traverse; // jointnumber or -1