Pcbnew IDF and VRML exporter Coverity scan error fixes.

pcbnew/exporters/export_vrml.cpp

@@ -185,7 +185,11 @@ public:
         colors[ VRML_COLOR_TIN ]    = VRML_COLOR( .749, .756, .761, .749, .756, .761,
                                                   0, 0, 0, 0.8, 0, 0.8 );
 
-        precision = 5;
+        plainPCB = false;
+        SetScale( 1.0 );
+        SetOffset( 0.0, 0.0 );
+        s_text_layer = F_Cu;
+        s_text_width = 1;
     }
 
     VRML_COLOR& GetColor( VRML_COLOR_INDEX aIndex )
@@ -889,11 +893,11 @@ static void export_vrml_zones( MODEL_VRML& aModel, BOARD* aPcb )
         const CPOLYGONS_LIST& poly = zone->GetFilledPolysList();
         int nvert = poly.GetCornersCount();
         int i = 0;
+        bool cutout = false;
 
         while( i < nvert )
         {
             int seg = vl->NewContour();
-            bool first = true;
 
             if( seg < 0 )
                 break;
@@ -914,10 +918,10 @@ static void export_vrml_zones( MODEL_VRML& aModel, BOARD* aPcb )
 
             // KiCad ensures that the first polygon is the outline
             // and all others are holes
-             vl->EnsureWinding( seg, first ? false : true );
+             vl->EnsureWinding( seg, cutout );
 
-            if( first )
-                first = false;
+             if( !cutout )
+                 cutout = true;
 
             ++i;
         }

utils/idftools/idf_parser.cpp

@@ -2425,12 +2425,18 @@ void IDF3_BOARD::readLibSection( std::ifstream& aLibFile, IDF3::FILE_STATE& aLib
         while( !FetchIDFLine( aLibFile, iline, isComment, pos ) && aLibFile.good() );
 
         if( !aLibFile.good() && !aLibFile.eof() )
+        {
+            delete pout;
             throw( IDF_ERROR( __FILE__, __FUNCTION__, __LINE__,
                               "problems reading library section" ) );
+        }
 
         // no data was read; this only happens at eof()
         if( iline.empty() )
+        {
+            delete pout;
             return;
+        }
 
         if( isComment )
         {
@@ -2448,6 +2454,7 @@ void IDF3_BOARD::readLibSection( std::ifstream& aLibFile, IDF3::FILE_STATE& aLib
             ostr << "* Violation of specification: quoted string where .ELECTRICAL or .MECHANICAL expected\n";
             ostr << "* line: '" << iline << "'\n";
             ostr << "* pos: " << pos;
+            delete pout;
 
             throw( IDF_ERROR( __FILE__, __FUNCTION__, __LINE__, ostr.str() ) );
         }
@@ -2509,6 +2516,8 @@ void IDF3_BOARD::readLibSection( std::ifstream& aLibFile, IDF3::FILE_STATE& aLib
         }
     }
 
+    delete pout;
+
     if( !aLibFile.eof() )
         throw( IDF_ERROR( __FILE__, __FUNCTION__, __LINE__,
                           "problems reading IDF library file" ) );