Make Qt exception safer.

Squashed commit of the branch haralds-haralds-qt-s60-topics/topic/exceptions,
which also contains the full history.

Rev-By: Harald Fernengel
Rev-By: Ralf Engels

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gui/painting/qrasterizer.cpp b/src/gui/painting/qrasterizer.cpp
index 583885c..3c06bb4 100644
--- a/src/gui/painting/qrasterizer.cpp
+++ b/src/gui/painting/qrasterizer.cpp
@@ -436,8 +436,11 @@ void QScanConverter::end()
 inline void QScanConverter::allocate(int size)
 {
     if (m_alloc < size) {
-        m_alloc = qMax(size, 2 * m_alloc);
-        m_intersections = (Intersection *)realloc(m_intersections, m_alloc * sizeof(Intersection));
+        int newAlloc = qMax(size, 2 * m_alloc);
+        Intersection *newIntersections = (Intersection *)realloc(m_intersections, newAlloc * sizeof(Intersection));
+        Q_CHECK_PTR(newIntersections);
+        m_alloc = newAlloc;
+        m_intersections = newIntersections;
     }
 }