Avoid some (incorrect) use of uninitialized value warnings

qgis · Jan 17, 2022 · f4bf9cb · f4bf9cb
1 parent a33b56b
commit f4bf9cb
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Showing 3 changed files with 7 additions and 11 deletions.
diff --git a/src/core/geometry/qgsinternalgeometryengine.cpp b/src/core/geometry/qgsinternalgeometryengine.cpp
@@ -2242,10 +2242,8 @@ std::unique_ptr< QgsLineString > roundWavesAlongLine( const QgsLineString *line,
 
   int side = -1;
 
-  double xOutBuffer[4];
-  double yOutBuffer[4];
-  xOutBuffer[0] = prevX;
-  yOutBuffer[0] = prevY;
+  double xOutBuffer[4] { prevX, prevX, prevX, prevX };
+  double yOutBuffer[4] { prevY, prevY, prevY, prevY };
   bool isFirstPart = true;
 
   double distanceToNextPointFromStartOfSegment = wavelength / 8;
@@ -2369,10 +2367,8 @@ std::unique_ptr< QgsLineString > roundWavesRandomizedAlongLine( const QgsLineStr
 
   int side = -1;
 
-  double xOutBuffer[4];
-  double yOutBuffer[4];
-  xOutBuffer[0] = prevX;
-  yOutBuffer[0] = prevY;
+  double xOutBuffer[4] { prevX, prevX, prevX, prevX };
+  double yOutBuffer[4] { prevY, prevY, prevY, prevY };
   bool isFirstPart = true;
 
   double amplitude = uniformDist( mt ) * ( maximumAmplitude - minimumAmplitude ) + minimumAmplitude;

diff --git a/src/core/qgscolorrampimpl.cpp b/src/core/qgscolorrampimpl.cpp
@@ -62,7 +62,7 @@ static QColor _interpolateHsv( const QColor &c1, const QColor &c2, const double
 
   qreal hue1 = c1.hsvHueF();
   qreal hue2 = c2.hsvHueF();
-  qreal hue;
+  qreal hue = 0;
   if ( hue1 == -1 )
     hue = hue2;
   else if ( hue2 == -1 )
@@ -119,7 +119,7 @@ static QColor _interpolateHsl( const QColor &c1, const QColor &c2, const double
 
   qreal hue1 = c1.hslHueF();
   qreal hue2 = c2.hslHueF();
-  qreal hue;
+  qreal hue = 0;
   if ( hue1 == -1 )
     hue = hue2;
   else if ( hue2 == -1 )

diff --git a/src/core/symbology/qgsgeometrygeneratorsymbollayer.cpp b/src/core/symbology/qgsgeometrygeneratorsymbollayer.cpp
@@ -218,7 +218,7 @@ void QgsGeometryGeneratorSymbolLayer::drawPreviewIcon( QgsSymbolRenderContext &c
     }
     if ( patchShapeGeometry.isEmpty() )
     {
-      Qgis::SymbolType originalSymbolType;
+      Qgis::SymbolType originalSymbolType = Qgis::SymbolType::Hybrid;
       switch ( context.originalGeometryType() )
       {
         case QgsWkbTypes::PointGeometry: