New Defects reported by Coverity Scan for LibreOffice

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Hi,

Please find the latest report on new defect(s) introduced to LibreOffice found with Coverity Scan.

4 new defect(s) introduced to LibreOffice found with Coverity Scan.


New defect(s) Reported-by: Coverity Scan
Showing 4 of 4 defect(s)


** CID 1518244:  Integer handling issues  (NEGATIVE_RETURNS)


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*** CID 1518244:  Integer handling issues  (NEGATIVE_RETURNS)
/sw/source/uibase/sidebar/ThemePanel.cxx: 224 in <unnamed>::changeColor(SwTextFormatColl *, const svx::ColorSet &, <unnamed>::StyleRedefinition *)()
218     void changeColor(SwTextFormatColl* pCollection, svx::ColorSet const& rColorSet, StyleRedefinition* /*pRedefinition*/)
219     {
220         SvxColorItem aColorItem(pCollection->GetColor());
221         auto nThemeIndex = aColorItem.GetThemeColor().GetThemeIndex();
222         if (nThemeIndex >= 0)
223         {
>>>     CID 1518244:  Integer handling issues  (NEGATIVE_RETURNS)
>>>     "svx::convertToThemeColorType(nThemeIndex)" is passed to a parameter that cannot be negative.
224             Color aColor = rColorSet.getColor(svx::convertToThemeColorType(nThemeIndex));
225             aColor.ApplyTintOrShade(aColorItem.GetThemeColor().GetTintOrShade());
226             aColorItem.SetValue(aColor);
227             pCollection->SetFormatAttr(aColorItem);
228         }
229     }

** CID 1518243:  Integer handling issues  (NEGATIVE_RETURNS)


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*** CID 1518243:  Integer handling issues  (NEGATIVE_RETURNS)
/sd/source/filter/eppt/pptx-epptooxml.cxx: 2190 in oox::core::PowerPointExport::WriteColorSets(const std::shared_ptr<sax_fastparser::FastSerializerHelper> &, svx::Theme *)()
2184     
2185         for (int nId = PredefinedClrSchemeId::dk1; nId < PredefinedClrSchemeId::Count; nId++)
2186         {
2187             sal_Int32 nToken = aPredefinedClrTokens[static_cast<PredefinedClrSchemeId>(nId)];
2188             pFS->startElementNS(XML_a, nToken);
2189             svx::ThemeColorType eType = svx::convertToThemeColorType(nId);
>>>     CID 1518243:  Integer handling issues  (NEGATIVE_RETURNS)
>>>     "eType" is passed to a parameter that cannot be negative.
2190             pFS->singleElementNS(XML_a, XML_srgbClr, XML_val, I32SHEX(static_cast<sal_Int32>(pColorSet->getColor(eType))));
2191             pFS->endElementNS(XML_a, nToken);
2192         }
2193     
2194         return true;
2195     }

** CID 1518242:  Control flow issues  (DEADCODE)
/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx: 178 in <unnamed>::createBitmapData(const BitmapEx &)()


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*** CID 1518242:  Control flow issues  (DEADCODE)
/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx: 178 in <unnamed>::createBitmapData(const BitmapEx &)()
172         std::vector<sal_uInt8> aData(nStride * rSizePixel.Height());
173     
174         if (bAlpha)
175         {
176             Bitmap aSrcAlpha(rBitmapEx.GetAlpha().GetBitmap());
177             Bitmap::ScopedReadAccess pReadAccess(const_cast<Bitmap&>(rBitmapEx.GetBitmap()));
>>>     CID 1518242:  Control flow issues  (DEADCODE)
>>>     Execution cannot reach the expression "NULL" inside this statement: "pAlphaReadAccess.ScopedBitm...".
178             Bitmap::ScopedReadAccess pAlphaReadAccess(bAlpha ? aSrcAlpha.AcquireReadAccess() : nullptr,
179                                                       aSrcAlpha);
180             const tools::Long nHeight(pReadAccess->Height());
181             const tools::Long nWidth(pReadAccess->Width());
182     
183             for (tools::Long y = 0; y < nHeight; ++y)

** CID 1518241:    (NEGATIVE_RETURNS)


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*** CID 1518241:    (NEGATIVE_RETURNS)
/sw/source/uibase/sidebar/ThemePanel.cxx: 400 in <unnamed>::GenerateColorPreview(const svx::ColorSet &)()
394     
395         for (sal_uInt32 i = 0; i < 12; i += 2)
396         {
397             pVirtualDev->SetFillColor(rColorSet.getColor(svx::convertToThemeColorType(i)));
398             pVirtualDev->DrawRect(tools::Rectangle(x, y1, x + SIZE, y1 + SIZE));
399     
>>>     CID 1518241:    (NEGATIVE_RETURNS)
>>>     "svx::convertToThemeColorType(i + 1U)" is passed to a parameter that cannot be negative.
400             pVirtualDev->SetFillColor(rColorSet.getColor(svx::convertToThemeColorType(i + 1)));
401             pVirtualDev->DrawRect(tools::Rectangle(x, y2, x + SIZE, y2 + SIZE));
402     
403             x += SIZE + BORDER;
404             if (i == 2 || i == 8)
405                 x += BORDER;
/sw/source/uibase/sidebar/ThemePanel.cxx: 397 in <unnamed>::GenerateColorPreview(const svx::ColorSet &)()
391     
392         pVirtualDev->SetLineColor(COL_LIGHTGRAY);
393         pVirtualDev->SetFillColor();
394     
395         for (sal_uInt32 i = 0; i < 12; i += 2)
396         {
>>>     CID 1518241:    (NEGATIVE_RETURNS)
>>>     "svx::convertToThemeColorType(i)" is passed to a parameter that cannot be negative.
397             pVirtualDev->SetFillColor(rColorSet.getColor(svx::convertToThemeColorType(i)));
398             pVirtualDev->DrawRect(tools::Rectangle(x, y1, x + SIZE, y1 + SIZE));
399     
400             pVirtualDev->SetFillColor(rColorSet.getColor(svx::convertToThemeColorType(i + 1)));
401             pVirtualDev->DrawRect(tools::Rectangle(x, y2, x + SIZE, y2 + SIZE));
402     


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To view the defects in Coverity Scan visit, https://u15810271.ct.sendgrid.net/ls/click?upn=HRESupC-2F2Czv4BOaCWWCy7my0P0qcxCbhZ31OYv50ypSs1kiFPuCn2xFdlMIFBirii0zZ9j2-2F9F2XPBcBm2BNgi9duPy3v-2FzgFDd2LJ-2BDKI-3DMLtP_OTq2XUZbbipYjyLSo6GRo-2FpVxQ9OzkDINu9UTS-2FQhSdO0F0jQniitrGlNxDIzPJiDLZhcYABB15pzDA0Yl5uY7wW6u4nI-2FqsfP57rKNPJXajtRofHnQMbo3WMCJbR-2Fy96zpd1aONLr34zeBMS3atjczQQZFcS1JS-2Bg8lPlIj7WnQZHpLDaGAmisPNy-2B5MdpxlWC0SV87X-2FdFuDqbk-2Fbu8H2-2Fy4Hd4-2FNO4FPzl4JaBKU-3D