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

4 files changed, 10 insertions, 3 deletions

diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
index 36b9282..2e3ef38 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
@@ -935,7 +935,13 @@ static HB_Stream getTableStream(void *font, HB_GetFontTableFunc tableFunc, HB_Ta
     if (error)
         return 0;
     stream = (HB_Stream)malloc(sizeof(HB_StreamRec));
+    if (!stream)
+        return 0;
     stream->base = (HB_Byte*)malloc(length);
+    if (!stream->base) {
+        free(stream);
+        return 0;
+    }
     error = tableFunc(font, tag, stream->base, &length);
     if (error) {
         _hb_close_stream(stream);
@@ -950,6 +956,8 @@ static HB_Stream getTableStream(void *font, HB_GetFontTableFunc tableFunc, HB_Ta
 HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc)
 {
     HB_Face face = (HB_Face )malloc(sizeof(HB_FaceRec));
+    if (!face)
+        return 0;
 
     face->isSymbolFont = false;
     face->gdef = 0;
diff --git a/src/3rdparty/phonon/phonon/abstractmediastream.cpp b/src/3rdparty/phonon/phonon/abstractmediastream.cpp
index a661702..5b860f3 100644
--- a/src/3rdparty/phonon/phonon/abstractmediastream.cpp
+++ b/src/3rdparty/phonon/phonon/abstractmediastream.cpp
@@ -49,7 +49,6 @@ AbstractMediaStream::AbstractMediaStream(AbstractMediaStreamPrivate &dd, QObject
 
 AbstractMediaStream::~AbstractMediaStream()
 {
-    delete d_ptr;
 }
 
 qint64 AbstractMediaStream::streamSize() const
diff --git a/src/3rdparty/phonon/phonon/abstractmediastream.h b/src/3rdparty/phonon/phonon/abstractmediastream.h
index 0daa92a..c4cde85 100644
--- a/src/3rdparty/phonon/phonon/abstractmediastream.h
+++ b/src/3rdparty/phonon/phonon/abstractmediastream.h
@@ -214,7 +214,7 @@ class PHONON_EXPORT AbstractMediaStream : public QObject
         virtual void seekStream(qint64 offset);
 
         AbstractMediaStream(AbstractMediaStreamPrivate &dd, QObject *parent);
-        AbstractMediaStreamPrivate *d_ptr;
+        QScopedPointer<AbstractMediaStreamPrivate> d_ptr;
 };
 
 } // namespace Phonon
diff --git a/src/3rdparty/phonon/phonon/abstractmediastream_p.h b/src/3rdparty/phonon/phonon/abstractmediastream_p.h
index a9d6489..0e87c4d 100644
--- a/src/3rdparty/phonon/phonon/abstractmediastream_p.h
+++ b/src/3rdparty/phonon/phonon/abstractmediastream_p.h
@@ -45,6 +45,7 @@ class PHONON_EXPORT AbstractMediaStreamPrivate : private MediaNodeDestructionHan
     public:
         void setStreamInterface(StreamInterface *);
         void setMediaObjectPrivate(MediaObjectPrivate *);
+        ~AbstractMediaStreamPrivate();
 
     protected:
         AbstractMediaStreamPrivate()
@@ -56,7 +57,6 @@ class PHONON_EXPORT AbstractMediaStreamPrivate : private MediaNodeDestructionHan
             errorType(NoError)
         {
         }
-        ~AbstractMediaStreamPrivate();
 
         virtual void setStreamSize(qint64 newSize);
         virtual void setStreamSeekable(bool s);