fix some reported memory leaks

mostly straight gorward memory leaks

Filters/Core/Testing/Cxx/TestResampleToImage2D.cxx

@@ -25,7 +25,10 @@
 int TestResampleToImage2D(int argc, char* argv[])
 {
   vtkNew<vtkXMLUnstructuredGridReader> reader;
-  reader->SetFileName(vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/delaunay3d.vtu"));
+  char *fname =
+    vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/delaunay3d.vtu");
+  reader->SetFileName(fname);
+  delete [] fname;
 
   vtkNew<vtkResampleToImage> resample;
   resample->UseInputBoundsOff();

Filters/Texture/Testing/Cxx/TestScalarsToTexture.cxx

@@ -30,7 +30,10 @@
 int TestScalarsToTexture(int argc, char* argv[])
 {
   vtkNew<vtkXMLPolyDataReader> reader;
-  reader->SetFileName(vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/can_slice.vtp"));
+  char *fname =
+    vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/can_slice.vtp");
+  reader->SetFileName(fname);
+  delete [] fname;
 
   vtkNew<vtkColorTransferFunction> stc;
   stc->SetVectorModeToMagnitude();

IO/Export/vtkOBJExporter.cxx

@@ -46,6 +46,8 @@ vtkOBJExporter::vtkOBJExporter()
 
 vtkOBJExporter::~vtkOBJExporter()
 {
+  delete [] this->OBJFileComment;
+  delete [] this->MTLFileComment;
   delete [] this->FilePrefix;
 }
 

IO/Geometry/Testing/Cxx/TestOBJPolyDataWriter.cxx

@@ -40,11 +40,15 @@ int TestOBJPolyDataWriter(int argc, char* argv[])
   sphereSource->SetPhiResolution(16);
 
   vtkNew<vtkJPEGReader> textReader;
-  textReader->SetFileName(
-    vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/NE2_ps_bath_small.jpg"));
-
-  std::string tmpDir(
-    vtkTestUtilities::GetArgOrEnvOrDefault("-T", argc, argv, "VTK_TEMP_DIR", "Testing/Temporary"));
+  char *fname =
+    vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/NE2_ps_bath_small.jpg");
+  textReader->SetFileName(fname);
+  delete [] fname;
+
+  char *tname =
+    vtkTestUtilities::GetArgOrEnvOrDefault("-T", argc, argv, "VTK_TEMP_DIR", "Testing/Temporary");
+  std::string tmpDir(tname);
+  delete [] tname;
   std::string filename = tmpDir + "/TestOBJPolyDataWriter_write.obj";
 
   vtkNew<vtkOBJWriter> writer;

IO/PDAL/Testing/Cxx/TestPDALReader.cxx.in

@@ -41,6 +41,7 @@ int TestPDALReader_@VTK_PDAL_READER_POSTFIX@(int argc, char **argv)
   vtkNew<vtkPDALReader> reader;
   //Select source file
   reader->SetFileName(path);
+  delete [] path;
 
   //Read the output
   reader->Update();

IO/PDAL/vtkPDALReader.cxx

@@ -67,8 +67,10 @@ vtkPDALReader::vtkPDALReader()
 //----------------------------------------------------------------------------
 vtkPDALReader::~vtkPDALReader()
 {
-  if ( ! this->FileName )
-    delete[] this->FileName;
+  if ( this->FileName )
+  {
+    delete [] this->FileName;
+  }
 }
 
 //----------------------------------------------------------------------------

IO/XML/Testing/Cxx/TestXMLWriteRead.cxx

@@ -32,6 +32,7 @@ int TestXMLWriteRead(int argc, char* argv[])
   char* tempDir =
     vtkTestUtilities::GetArgOrEnvOrDefault("-T", argc, argv, "VTK_TEMP_DIR", "Testing/Temporary");
   std::string fileName(tempDir);
+  delete [] tempDir;
 
   int statusFloat, statusDouble;
 

IO/XMLParser/vtkXMLDataParser.cxx

@@ -1186,6 +1186,10 @@ void vtkXMLDataParser::FreeAsciiBuffer()
     vtkTemplateMacro(
       vtkXMLDataParserFreeAsciiBuffer(static_cast<VTK_TT*>(buffer))
       );
+
+    case VTK_BIT:
+      vtkXMLDataParserFreeAsciiBuffer(static_cast<unsigned char *>(buffer));
+      break;
   }
   this->AsciiDataBuffer = nullptr;
 }