Examples of errors detected by the V670 diagnostic

V670. Uninitialized class member is used to initialize another member. Remember that members are initialized in the order of their declarations inside a class.

Tesseract

V670 The uninitialized class member 'fontinfo_table_' is used to initialize the 'samples_' member. Remember that members are initialized in the order of their declarations inside a class. libtesseract303 mastertrainer.cpp 58

class MasterTrainer {
  ....
  TrainingSampleSet samples_;
  ....
  FontInfoTable fontinfo_table_;
  ....
};

MasterTrainer::MasterTrainer(NormalizationMode norm_mode,
                             bool shape_analysis,
                             bool replicate_samples,
                             int debug_level)
  : norm_mode_(norm_mode),
    samples_(fontinfo_table_),
    junk_samples_(fontinfo_table_),
    verify_samples_(fontinfo_table_),
    charsetsize_(0),
    enable_shape_anaylsis_(shape_analysis),
    enable_replication_(replicate_samples),
    fragments_(NULL), prev_unichar_id_(-1),
    debug_level_(debug_level) {
}

Similar errors can be found in some other places:

• V670 The uninitialized class member 'fontinfo_table_' is used to initialize the 'junk_samples_' member. Remember that members are initialized in the order of their declarations inside a class. libtesseract303 mastertrainer.cpp 59
• V670 The uninitialized class member 'fontinfo_table_' is used to initialize the 'verify_samples_' member. Remember that members are initialized in the order of their declarations inside a class. libtesseract303 mastertrainer.cpp 59

.NET CoreCLR

V670 The uninitialized class member 'gcInfo' is used to initialize the 'regSet' member. Remember that members are initialized in the order of their declarations inside a class. ClrJit codegencommon.cpp 92

CodeGenInterface *getCodeGenerator(Compiler *comp);

class CodeGenInterface
{
    friend class emitter;

public:
    ....
    RegSet  regSet; // <= line 91
    ....
public:
    GCInfo  gcInfo; // <= line 322
....
};

// CodeGen constructor
CodeGenInterface::CodeGenInterface(Compiler* theCompiler) :
    compiler(theCompiler),
    gcInfo(theCompiler),
    regSet(theCompiler, gcInfo)
{
}

Unreal Engine 4

V670 The uninitialized class member 'bShouldThrottle' is used to initialize the 'CVarAllowThrottle' member. Remember that members are initialized in the order of their declarations inside a class. throttlemanager.cpp 10

class SLATECORE_API FSlateThrottleManager
{
  ....
  FAutoConsoleVariableRef CVarAllowThrottle;

  int32 bShouldThrottle;
};

FSlateThrottleManager::FSlateThrottleManager( )
  : CVarAllowThrottle(TEXT("Slate.bAllowThrottling"),
    bShouldThrottle, TEXT("....") )
  , bShouldThrottle(1)
  , ThrottleCount(0)
{ }

Similar errors can be found in some other places:

• V670 The uninitialized class member 'Bytes' is used to initialize the 'Writer' member. Remember that members are initialized in the order of their declarations inside a class. reloadobjectarc.cpp 6
• V670 The uninitialized class member 'Bytes' is used to initialize the 'Reader' member. Remember that members are initialized in the order of their declarations inside a class. reloadobjectarc.cpp 6
• V670 The uninitialized class member 'SerializedObjectData' is used to initialize the 'MemoryWriter' member. Remember that members are initialized in the order of their declarations inside a class. archiveobjectcrc32.cpp 14
• And 1 additional diagnostic messages.

Appleseed

V670 The uninitialized class member 'm_s0_cache' is used to initialize the 'm_s1_element_swapper' member. Remember that members are initialized in the order of their declarations inside a class. animatecamera cache.h 1009

class DualStageCache
  : public NonCopyable
{
  ....
    S1ElementSwapper    m_s1_element_swapper;     // <= line 679
    S1Cache             m_s1_cache;

    S0ElementSwapper    m_s0_element_swapper;
    S0Cache             m_s0_cache;               // <= line 683
};

FOUNDATION_DSCACHE_TEMPLATE_DEF(APPLESEED_EMPTY)
DualStageCache(
    KeyHasherType&      key_hasher,
    ElementSwapperType& element_swapper,
    const KeyType&      invalid_key,
    AllocatorType       allocator)
  : m_s1_element_swapper(m_s0_cache, element_swapper)
  , m_s1_cache(m_s1_element_swapper, allocator)
  , m_s0_element_swapper(m_s1_cache)
  , m_s0_cache(key_hasher, m_s0_element_swapper, invalid_key)
{
}

Mozilla Thunderbird

V670 The uninitialized class member 'mWorkerConnection' is used to initialize the 'mWorkerStatements' member. Remember that members are initialized in the order of their declarations inside a class. domstoragedbthread.cpp 50

DOMStorageDBThread::DOMStorageDBThread()
: mWorkerStatements(mWorkerConnection)
, ....
{}

class DOMStorageDBThread final : public DOMStorageDBBridge
{
private:
  ....
  StatementCache mWorkerStatements;                 // <=line 304
  ....
  nsCOMPtr<mozIStorageConnection> mWorkerConnection;// <=line 309
  ....
}

Similar errors can be found in some other places:

• V670 The uninitialized class member 'mReaderConnection' is used to initialize the 'mReaderStatements' member. Remember that members are initialized in the order of their declarations inside a class. domstoragedbthread.cpp 51

Rosegarden

V670 The uninitialized class member 'm_intervals' is used to initialize the 'm_size' member. Remember that members are initialized in the order of their declarations inside a class. Tuning.cpp 394

class Tuning {
  ....
  int m_size;                      // line 138
  const IntervalList *m_intervals; // line 139
  ....
}

Tuning::Tuning(const Tuning *tuning) :
  m_name(tuning->getName()),
  m_rootPitch(tuning->getRootPitch()),
  m_refPitch(tuning->getRefPitch()),
  m_size(m_intervals->size()),
  m_intervals(tuning->getIntervalList()),
  m_spellings(tuning->getSpellingList())
{
  ....
}

NCBI Genome Workbench

V670 The uninitialized class member 'm_OutBlobIdOrData' is used to initialize the 'm_StdOut' member. Remember that members are initialized in the order of their declarations inside a class. remote_app.hpp 215

class NCBI_XCONNECT_EXPORT CRemoteAppResult
{
public:
  CRemoteAppResult(CNetCacheAPI::TInstance netcache_api,
          size_t max_inline_size = kMaxBlobInlineSize) :
      m_NetCacheAPI(netcache_api),
      m_RetCode(-1),
      m_StdOut(netcache_api, m_OutBlobIdOrData, m_OutBlobSize),
      m_OutBlobSize(0),
      m_StdErr(netcache_api, m_ErrBlobIdOrData, m_ErrBlobSize),
      m_ErrBlobSize(0),
      m_StorageType(eBlobStorage),
      m_MaxInlineSize(max_inline_size)
  {
  }
  ....
};

LibreOffice

V670 The uninitialized class member 'm_aMutex' is used to initialize the 'm_aModifyListeners' member. Remember that members are initialized in the order of their declarations inside a class. fmgridif.cxx 1033

FmXGridPeer::FmXGridPeer(const Reference< XComponentContext >& _rxContext)
            :m_aModifyListeners(m_aMutex)
            ,m_aUpdateListeners(m_aMutex)
            ,m_aContainerListeners(m_aMutex)
            ,m_aSelectionListeners(m_aMutex)
            ,m_aGridControlListeners(m_aMutex)
            ,m_aMode( getDataModeIdentifier() )
            ,m_nCursorListening(0)
            ,m_bInterceptingDispatch(false)
            ,m_xContext(_rxContext)
{
    // Create must be called after this constructor
    m_pGridListener.reset( new GridListenerDelegator( this ) );
}

class  __declspec(dllexport) FmXGridPeer:
    public cppu::ImplInheritanceHelper<....>
{
    ....
    ::comphelper::OInterfaceContainerHelper2 m_aModifyListeners,
                                             m_aUpdateListeners,
                                             m_aContainerListeners,
                                             m_aSelectionListeners,
                                             m_aGridControlListeners;
    ....
protected:
    css::uno::Reference< css::uno::XComponentContext >  m_xContext;
    ::osl::Mutex                                        m_aMutex;
    ....
};
OInterfaceContainerHelper2( ::osl::Mutex & rMutex );

Haiku Operation System

V670 The uninitialized class member 'fPatternHandler' is used to initialize the 'fInternal' member. Remember that members are initialized in the order of their declarations inside a class. Painter.cpp 184

Painter::Painter()
  :
  fInternal(fPatternHandler),
  ....
  fPatternHandler(),
  ....
{
  ....
};

class Painter {
  ....
private:
  mutable PainterAggInterface fInternal; // line 336

  bool fSubpixelPrecise : 1;
  bool fValidClipping : 1;
  bool fDrawingText : 1;
  bool fAttached : 1;
  bool fIdentityTransform : 1;

  Transformable fTransform;
  float fPenSize;
  const BRegion* fClippingRegion;
  drawing_mode fDrawingMode;
  source_alpha fAlphaSrcMode;
  alpha_function fAlphaFncMode;
  cap_mode fLineCapMode;
  join_mode fLineJoinMode;
  float fMiterLimit;

  PatternHandler fPatternHandler;        // line 355
  mutable AGGTextRenderer fTextRenderer;
};

Qt Creator

V670 [CWE-457, CERT-EXP53-CPP] The uninitialized class member 'm_undoStack' is used to initialize the 'm_document' member. Remember that members are initialized in the order of their declarations inside a class. compilerexplorereditor.cpp 774

class Editor : public Core::IEditor
{
public:
  Editor(TextEditor::TextEditorActionHandler &actionHandler);
  ~Editor();

  Core::IDocument *document() const override { return m_document.data(); }
  QWidget *toolBar() override;

  QSharedPointer<JsonSettingsDocument> m_document;
  QUndoStack m_undoStack;
  std::unique_ptr<QToolBar> m_toolBar;
};
Editor::Editor(TextEditorActionHandler &actionHandler)
  : m_document(new JsonSettingsDocument(&m_undoStack))
{
  setContext(Core::Context(Constants::CE_EDITOR_ID));
  setWidget(new EditorWidget(m_document, &m_undoStack, actionHandler));

  connect(&m_undoStack, &QUndoStack::canUndoChanged, this,
          [&actionHandler] { actionHandler.updateActions(); });

  connect(&m_undoStack, &QUndoStack::canRedoChanged, this,
          [&actionHandler] { actionHandler.updateActions(); });
}