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  1. Oct 15, 2017
    • Sean McBride's avatar
      Fixed numerous warnings from the new cppcheck 1.81 · 442381f5
      Sean McBride authored
      Specifically:
      
      very strange braces!
      syntaxError,Common/DataModel/vtkHyperTreeGrid.cxx:699,error,syntax error
      
      changed size()>0 to !empty()
      stlSize,Filters/General/vtkLoopBooleanPolyDataFilter.cxx:1426,performance,Possible inefficient checking for 'nocellregion' emptiness.
      
      This useless flag has been there since code was added in 2000 in f50b0909
      knownConditionTrueFalse,Common/DataModel/vtkPointLocator.cxx:323,style,Condition 'flag' is always true
      knownConditionTrueFalse,Common/DataModel/vtkPointLocator.cxx:415,style,Condition 'flag' is always true
      knownConditionTrueFalse,Common/DataModel/vtkStaticPointLocator.cxx:788,style,Condition 'flag' is always true
      knownConditionTrueFalse,Common/DataModel/vtkStaticPointLocator.cxx:879,style,Condition 'flag' is always true
      
      This useless 'result' has been there since code was added in 2003 in dd39b9e4
      knownConditionTrueFalse,IO/XML/vtkXMLRectilinearGridReader.cxx:236,style,Condition 'result' is always true
      knownConditionTrueFalse,IO/XML/vtkXMLRectilinearGridReader.cxx:245,style,Condition 'result' is always true
      knownConditionTrueFalse,IO/XML/vtkXMLRectilinearGridReader.cxx:254,style,Condition 'result' is always true
      
      New check in cppcheck 1.81, block is indeed dead code:
      oppositeInnerCondition,Rendering/OpenGL/vtkXOpenGLRenderWindow.cxx:272,warning,Opposite inner 'if' condition leads to a dead code block.
      oppositeInnerCondition,Rendering/OpenGL/vtkXOpenGLRenderWindow.cxx:293,warning,Opposite inner 'if' condition leads to a dead code block.
      oppositeInnerCondition,Rendering/OpenGL/vtkXOpenGLRenderWindow.cxx:349,warning,Opposite inner 'if' condition leads to a dead code block.
      
      false positive, suppressed with zero initialization:
      uninitvar,Filters/Statistics/vtkKMeansStatistics.cxx:810,error,Uninitialized variable: curDistance
      uninitvar,Filters/Statistics/vtkKMeansStatistics.cxx:812,error,Uninitialized variable: curDistance
      
      free(NULL) is allowed, so just remove null check
      knownConditionTrueFalse,IO/Geometry/Testing/Cxx/TestIncrementalOctreePointLocator.cxx:920,style,Condition 'truthIds' is always false
      knownConditionTrueFalse,IO/Geometry/Testing/Cxx/TestIncrementalOctreePointLocator.cxx:956,style,Condition 'diskFile' is always false
      
      Simplified the calculation, verified same codegen on x86_64 with godbolt
      shiftTooManyBitsSigned,Rendering/Volume/vtkHAVSVolumeMapper.cxx:53,error,Shifting signed 32-bit value by 31 bits is undefined behaviour
      
      These have all been thus since their inception, but a global search find the same pattern in TestDijkstraGraphGeodesicPath.cxx, from which I copied the apparent solution
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestPolygonalRepresentationHandleWidget.cxx:119,style,Condition 'distanceOffsetSpecified' is always false
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestPolygonalRepresentationHandleWidget.cxx:199,style,Condition 'distanceOffsetSpecified' is always false
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestPolygonalSurfaceConstrainedDistanceWidget.cxx:244,style,Condition 'distanceOffsetSpecified' is always false
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestPolygonalSurfaceConstrainedDistanceWidget.cxx:325,style,Condition 'distanceOffsetSpecified' is always false
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestSurfaceConstrainedHandleWidget.cxx:117,style,Condition 'distanceOffsetSpecified' is always false
      knownConditionTrueFalse,Interaction/Widgets/Testing/Cxx/TestSurfaceConstrainedHandleWidget.cxx:189,style,Condition 'distanceOffsetSpecified' is always false
      
      Toggle with #if instead
      knownConditionTrueFalse,Imaging/Hybrid/vtkSurfaceReconstructionFilter.cxx:300,style,Condition 'orientationPropagation' is always true
      
      Added parens
      clarifyCalculation,Common/DataModel/vtkLagrangeWedge.cxx:906,style,Clarify calculation precedence for '/' and '?'.
      442381f5
  2. Oct 14, 2017
  3. Oct 13, 2017
  4. Oct 12, 2017
  5. Oct 11, 2017
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