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Examples of errors detected by the V678…

Examples of errors detected by the V678 diagnostic

V678. Object is used as an argument to its own method. Consider checking the first actual argument of the 'Foo' function.


Shareaza

V678 An object is used as an argument to its own method. Consider checking the first actual argument of the 'CompareNoCase' function. downloadwithsources.cpp 1281


void CDownloadWithSources::MergeMetadata(
  const CXMLElement* pXML)
{
  CQuickLock pLock( Transfers.m_pSection );

  CXMLAttribute* pAttr1 =
    m_pXML->GetAttribute(CXMLAttribute::schemaName);
  CXMLAttribute* pAttr2 =
    pXML->GetAttribute(CXMLAttribute::schemaName);

  if (pAttr1 && pAttr2 &&
      !pAttr1->GetValue().CompareNoCase(pAttr1->GetValue()))
    ....
}

Mozilla Thunderbird

V678 An object is used as an argument to its own method. Consider checking the first actual argument of the 'Assign' function. nsgenerichtmlelement.h 411


class nsGenericHTMLElement : public nsGenericHTMLElementBase,
                             public nsIDOMHTMLElement
{
  ....
  NS_IMETHOD GetItemId(nsAString& aId) final override {
    nsString id;
    GetItemId(id);
    aId.Assign(aId);
    return NS_OK;
  }
  ....
}

ROOT

V678 An object is used as an argument to its own method. Consider checking the first actual argument of the 'Copy' function. TFormLeafInfo.cxx 2414


TFormLeafInfoMultiVarDim::TFormLeafInfoMultiVarDim(
  const TFormLeafInfoMultiVarDim& orig) : TFormLeafInfo(orig)
{
   fNsize = orig.fNsize;
   fSizes.Copy(fSizes);   // <=
   fCounter2 = orig.fCounter2?orig.fCounter2->DeepCopy():0;
   fSumOfSizes = orig.fSumOfSizes;
   fDim = orig.fDim;
   fVirtDim = orig.fVirtDim;
   fPrimaryIndex = orig.fPrimaryIndex;
   fSecondaryIndex = orig.fSecondaryIndex;
}

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