Fix a few Coverity warnings

common/plotters/GERBER_plotter.cpp

@@ -60,6 +60,11 @@ GERBER_PLOTTER::GERBER_PLOTTER()
     m_gerberUnitFmt = 6;
     m_useX2format = true;
     m_useNetAttributes = true;
+
+    m_hasApertureRoundRect = false;     // true is at least one round rect aperture is in use
+    m_hasApertureRotOval = false;       // true is at least one oval rotated aperture is in use
+    m_hasApertureRotRect = false;       // true is at least one rect. rotated aperture is in use
+    m_hasApertureOutline = false;       // true is at least one rotated rect/trapezoid aperture is in use
 }
 
 
@@ -71,10 +76,6 @@ void GERBER_PLOTTER::SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
     plotOffset = aOffset;
     wxASSERT( aScale == 1 );            // aScale parameter is not used in Gerber
     plotScale = 1;                      // Plot scale is *always* 1.0
-    m_hasApertureRoundRect = false;     // true is at least one round rect aperture is in use
-    m_hasApertureRotOval = false;       // true is at least one oval rotated aperture is in use
-    m_hasApertureRotRect = false;       // true is at least one rect. rotated aperture is in use
-    m_hasApertureOutline = false;     // true is at least one rotated rect/trapezoid aperture is in use
 
     m_IUsPerDecimil = aIusPerDecimil;
     // gives now a default value to iuPerDeviceUnit (because the units of the caller is now known)
@@ -184,6 +185,11 @@ void GERBER_PLOTTER::formatNetAttribute( GBR_NETLIST_METADATA* aData )
 
 bool GERBER_PLOTTER::StartPlot()
 {
+    m_hasApertureRoundRect = false;     // true is at least one round rect aperture is in use
+    m_hasApertureRotOval = false;       // true is at least one oval rotated aperture is in use
+    m_hasApertureRotRect = false;       // true is at least one rect. rotated aperture is in use
+    m_hasApertureOutline = false;       // true is at least one rotated rect/trapezoid aperture is in use
+
     wxASSERT( outputFile );
 
     finalFile = outputFile;     // the actual gerber file will be created later

eeschema/sch_iref.cpp

@@ -37,6 +37,8 @@ SCH_IREF::SCH_IREF( const wxPoint& pos, const wxString& text, SCH_GLOBALLABEL* a
     m_Layer  = LAYER_GLOBLABEL;
     m_parent = aParent;
     SetMultilineAllowed( false );
+    m_ownPageNumber = 0;
+    m_screen = nullptr;
 }
 
 

pcbnew/class_dimension.cpp

@@ -692,6 +692,7 @@ ORTHOGONAL_DIMENSION::ORTHOGONAL_DIMENSION( BOARD_ITEM* aParent ) :
 {
     // To preserve look of old dimensions, initialize extension height based on default arrow length
     m_extensionHeight = static_cast<int>( m_arrowLength * std::sin( DEG2RAD( s_arrowAngle ) ) );
+    m_orientation = DIR::HORIZONTAL;
 }
 
 

pcbnew/drc/drc_test_provider_silk_to_pad.cpp

@@ -51,7 +51,9 @@ namespace test {
 class DRC_TEST_PROVIDER_SILK_TO_PAD : public ::DRC_TEST_PROVIDER
 {
 public:
-    DRC_TEST_PROVIDER_SILK_TO_PAD ()
+    DRC_TEST_PROVIDER_SILK_TO_PAD ():
+            m_board( nullptr ),
+            m_largestClearance( 0 )
     {
     }