fix #5487

jef-n · jef-n · commit cbd88ee00120 · 2012-05-30T18:39:07.000+02:00
diff --git a/src/core/qgsgeometry.cpp b/src/core/qgsgeometry.cpp
@@ -5572,8 +5572,11 @@ GEOSGeometry* QgsGeometry::reshapeLine( const GEOSGeometry* line, const GEOSGeom
   {
     //make sure there are at least two intersection between line and reshape geometry
     GEOSGeometry* intersectGeom = GEOSIntersection( line, reshapeLineGeos );
-    atLeastTwoIntersections = ( GEOSGeomTypeId( intersectGeom ) == GEOS_MULTIPOINT && GEOSGetNumGeometries( intersectGeom ) > 1 );
-    GEOSGeom_destroy( intersectGeom );
+    if ( intersectGeom )
+    {
+      atLeastTwoIntersections = ( GEOSGeomTypeId( intersectGeom ) == GEOS_MULTIPOINT && GEOSGetNumGeometries( intersectGeom ) > 1 );
+      GEOSGeom_destroy( intersectGeom );
+    }
   }
   catch ( GEOSException &e )
   {

Original file line number	Diff line number	Diff line change
`@@ -5572,8 +5572,11 @@ GEOSGeometry* QgsGeometry::reshapeLine( const GEOSGeometry* line, const GEOSGeom`
`5572`	`5572`	`{`
`5573`	`5573`	`//make sure there are at least two intersection between line and reshape geometry`
`5574`	`5574`	`GEOSGeometry* intersectGeom = GEOSIntersection( line, reshapeLineGeos );`
`5575`		`- atLeastTwoIntersections = ( GEOSGeomTypeId( intersectGeom ) == GEOS_MULTIPOINT && GEOSGetNumGeometries( intersectGeom ) > 1 );`
`5576`		`- GEOSGeom_destroy( intersectGeom );`
	`5575`	`+ if ( intersectGeom )`
	`5576`	`+ {`
	`5577`	`+ atLeastTwoIntersections = ( GEOSGeomTypeId( intersectGeom ) == GEOS_MULTIPOINT && GEOSGetNumGeometries( intersectGeom ) > 1 );`
	`5578`	`+ GEOSGeom_destroy( intersectGeom );`
	`5579`	`+ }`
`5577`	`5580`	`}`
`5578`	`5581`	`catch ( GEOSException &e )`
`5579`	`5582`	`{`