Add Q_DECL_OVERRIDE in the src subdirectory

Done automatically with clang-modernize on linux

(But does not add Q_DECL_OVERRIDE to the function that are marked
 as inline because it a compilation error with MSVC2010)

Change-Id: I2196ee26e3e6fe20816834ecea5ea389eeab3171
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

18 files changed, 99 insertions, 99 deletions

diff --git a/src/network/access/qhttpmultipart_p.h b/src/network/access/qhttpmultipart_p.h
index f00883afd0..307843ea27 100644
--- a/src/network/access/qhttpmultipart_p.h
+++ b/src/network/access/qhttpmultipart_p.h
@@ -117,30 +117,30 @@ public:
     ~QHttpMultiPartIODevice() {
     }
 
-    virtual bool atEnd() const {
+    virtual bool atEnd() const Q_DECL_OVERRIDE {
         return readPointer == size();
     }
 
-    virtual qint64 bytesAvailable() const {
+    virtual qint64 bytesAvailable() const Q_DECL_OVERRIDE {
         return size() - readPointer;
     }
 
-    virtual void close() {
+    virtual void close() Q_DECL_OVERRIDE {
         readPointer = 0;
         partOffsets.clear();
         deviceSize = -1;
         QIODevice::close();
     }
 
-    virtual qint64 bytesToWrite() const {
+    virtual qint64 bytesToWrite() const Q_DECL_OVERRIDE {
         return 0;
     }
 
-    virtual qint64 size() const;
-    virtual bool isSequential() const;
-    virtual bool reset();
-    virtual qint64 readData(char *data, qint64 maxSize);
-    virtual qint64 writeData(const char *data, qint64 maxSize);
+    virtual qint64 size() const Q_DECL_OVERRIDE;
+    virtual bool isSequential() const Q_DECL_OVERRIDE;
+    virtual bool reset() Q_DECL_OVERRIDE;
+    virtual qint64 readData(char *data, qint64 maxSize) Q_DECL_OVERRIDE;
+    virtual qint64 writeData(const char *data, qint64 maxSize) Q_DECL_OVERRIDE;
 
     QHttpMultiPartPrivate *multiPart;
     qint64 readPointer;
diff --git a/src/network/access/qhttpnetworkreply_p.h b/src/network/access/qhttpnetworkreply_p.h
index 6163f6c789..7a13358a4b 100644
--- a/src/network/access/qhttpnetworkreply_p.h
+++ b/src/network/access/qhttpnetworkreply_p.h
@@ -82,18 +82,18 @@ public:
     explicit QHttpNetworkReply(const QUrl &url = QUrl(), QObject *parent = 0);
     virtual ~QHttpNetworkReply();
 
-    QUrl url() const;
-    void setUrl(const QUrl &url);
+    QUrl url() const Q_DECL_OVERRIDE;
+    void setUrl(const QUrl &url) Q_DECL_OVERRIDE;
 
-    int majorVersion() const;
-    int minorVersion() const;
+    int majorVersion() const Q_DECL_OVERRIDE;
+    int minorVersion() const Q_DECL_OVERRIDE;
 
-    qint64 contentLength() const;
-    void setContentLength(qint64 length);
+    qint64 contentLength() const Q_DECL_OVERRIDE;
+    void setContentLength(qint64 length) Q_DECL_OVERRIDE;
 
-    QList<QPair<QByteArray, QByteArray> > header() const;
-    QByteArray headerField(const QByteArray &name, const QByteArray &defaultValue = QByteArray()) const;
-    void setHeaderField(const QByteArray &name, const QByteArray &data);
+    QList<QPair<QByteArray, QByteArray> > header() const Q_DECL_OVERRIDE;
+    QByteArray headerField(const QByteArray &name, const QByteArray &defaultValue = QByteArray()) const Q_DECL_OVERRIDE;
+    void setHeaderField(const QByteArray &name, const QByteArray &data) Q_DECL_OVERRIDE;
     void parseHeader(const QByteArray &header); // mainly for testing
 
     QHttpNetworkRequest request() const;
diff --git a/src/network/access/qhttpnetworkrequest_p.h b/src/network/access/qhttpnetworkrequest_p.h
index d6683afa20..f39f3c7b6f 100644
--- a/src/network/access/qhttpnetworkrequest_p.h
+++ b/src/network/access/qhttpnetworkrequest_p.h
@@ -81,18 +81,18 @@ public:
     QHttpNetworkRequest &operator=(const QHttpNetworkRequest &other);
     bool operator==(const QHttpNetworkRequest &other) const;
 
-    QUrl url() const;
-    void setUrl(const QUrl &url);
+    QUrl url() const Q_DECL_OVERRIDE;
+    void setUrl(const QUrl &url) Q_DECL_OVERRIDE;
 
-    int majorVersion() const;
-    int minorVersion() const;
+    int majorVersion() const Q_DECL_OVERRIDE;
+    int minorVersion() const Q_DECL_OVERRIDE;
 
-    qint64 contentLength() const;
-    void setContentLength(qint64 length);
+    qint64 contentLength() const Q_DECL_OVERRIDE;
+    void setContentLength(qint64 length) Q_DECL_OVERRIDE;
 
-    QList<QPair<QByteArray, QByteArray> > header() const;
-    QByteArray headerField(const QByteArray &name, const QByteArray &defaultValue = QByteArray()) const;
-    void setHeaderField(const QByteArray &name, const QByteArray &data);
+    QList<QPair<QByteArray, QByteArray> > header() const Q_DECL_OVERRIDE;
+    QByteArray headerField(const QByteArray &name, const QByteArray &defaultValue = QByteArray()) const Q_DECL_OVERRIDE;
+    void setHeaderField(const QByteArray &name, const QByteArray &data) Q_DECL_OVERRIDE;
 
     Operation operation() const;
     void setOperation(Operation operation);
diff --git a/src/network/access/qhttpthreaddelegate.cpp b/src/network/access/qhttpthreaddelegate.cpp
index 522f8d9891..8651efab86 100644
--- a/src/network/access/qhttpthreaddelegate.cpp
+++ b/src/network/access/qhttpthreaddelegate.cpp
@@ -187,7 +187,7 @@ public:
         setShareable(true);
     }
 
-    virtual void dispose()
+    virtual void dispose() Q_DECL_OVERRIDE
     {
 #if 0  // sample code; do this right with the API
         Q_ASSERT(!isWorking());
diff --git a/src/network/access/qhttpthreaddelegate_p.h b/src/network/access/qhttpthreaddelegate_p.h
index 16610828cb..b1367fec0c 100644
--- a/src/network/access/qhttpthreaddelegate_p.h
+++ b/src/network/access/qhttpthreaddelegate_p.h
@@ -202,7 +202,7 @@ public:
     {
     }
 
-    const char* readPointer(qint64 maximumLength, qint64 &len)
+    const char* readPointer(qint64 maximumLength, qint64 &len) Q_DECL_OVERRIDE
     {
         if (m_amount > 0) {
             len = m_amount;
@@ -222,7 +222,7 @@ public:
         return 0;
     }
 
-    bool advanceReadPointer(qint64 a)
+    bool advanceReadPointer(qint64 a) Q_DECL_OVERRIDE
     {
         if (m_data == 0)
             return false;
@@ -238,7 +238,7 @@ public:
         return true;
     }
 
-    bool atEnd()
+    bool atEnd() Q_DECL_OVERRIDE
     {
         if (m_amount > 0)
             return false;
@@ -246,7 +246,7 @@ public:
             return m_atEnd;
     }
 
-    bool reset()
+    bool reset() Q_DECL_OVERRIDE
     {
         m_amount = 0;
         m_data = 0;
@@ -257,7 +257,7 @@ public:
         return b;
     }
 
-    qint64 size()
+    qint64 size() Q_DECL_OVERRIDE
     {
         return m_size;
     }
diff --git a/src/network/access/qnetworkaccessauthenticationmanager.cpp b/src/network/access/qnetworkaccessauthenticationmanager.cpp
index c8ba8ae978..622ec6c082 100644
--- a/src/network/access/qnetworkaccessauthenticationmanager.cpp
+++ b/src/network/access/qnetworkaccessauthenticationmanager.cpp
@@ -89,7 +89,7 @@ public:
         }
     }
 
-    virtual void dispose() { delete this; }
+    virtual void dispose() Q_DECL_OVERRIDE { delete this; }
 };
 
 #ifndef QT_NO_NETWORKPROXY
diff --git a/src/network/access/qnetworkaccesscache_p.h b/src/network/access/qnetworkaccesscache_p.h
index 171c2cda86..66b2e509bf 100644
--- a/src/network/access/qnetworkaccesscache_p.h
+++ b/src/network/access/qnetworkaccesscache_p.h
@@ -99,7 +99,7 @@ signals:
     void entryReady(QNetworkAccessCache::CacheableObject *);
 
 protected:
-    void timerEvent(QTimerEvent *);
+    void timerEvent(QTimerEvent *) Q_DECL_OVERRIDE;
 
 private:
     // idea copied from qcache.h
diff --git a/src/network/access/qnetworkaccesscachebackend_p.h b/src/network/access/qnetworkaccesscachebackend_p.h
index f298b84471..c91e5a9206 100644
--- a/src/network/access/qnetworkaccesscachebackend_p.h
+++ b/src/network/access/qnetworkaccesscachebackend_p.h
@@ -58,12 +58,12 @@ public:
     QNetworkAccessCacheBackend();
     ~QNetworkAccessCacheBackend();
 
-    void open();
-    void closeDownstreamChannel();
+    void open() Q_DECL_OVERRIDE;
+    void closeDownstreamChannel() Q_DECL_OVERRIDE;
     void closeUpstreamChannel();
 
     void upstreamReadyRead();
-    void downstreamReadyWrite();
+    void downstreamReadyWrite() Q_DECL_OVERRIDE;
 
 private:
     bool sendCacheContents();
diff --git a/src/network/access/qnetworkaccessdebugpipebackend_p.h b/src/network/access/qnetworkaccessdebugpipebackend_p.h
index da8cc9a8d2..cb5a12722f 100644
--- a/src/network/access/qnetworkaccessdebugpipebackend_p.h
+++ b/src/network/access/qnetworkaccessdebugpipebackend_p.h
@@ -61,10 +61,10 @@ public:
     QNetworkAccessDebugPipeBackend();
     virtual ~QNetworkAccessDebugPipeBackend();
 
-    virtual void open();
-    virtual void closeDownstreamChannel();
+    virtual void open() Q_DECL_OVERRIDE;
+    virtual void closeDownstreamChannel() Q_DECL_OVERRIDE;
 
-    virtual void downstreamReadyWrite();
+    virtual void downstreamReadyWrite() Q_DECL_OVERRIDE;
 
 protected:
     void pushFromSocketToDownstream();
@@ -96,7 +96,7 @@ class QNetworkAccessDebugPipeBackendFactory: public QNetworkAccessBackendFactory
 public:
     virtual QStringList supportedSchemes() const Q_DECL_OVERRIDE;
     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
-                                          const QNetworkRequest &request) const;
+                                          const QNetworkRequest &request) const Q_DECL_OVERRIDE;
 };
 
 #endif  // QT_BUILD_INTERNAL
diff --git a/src/network/access/qnetworkaccessfilebackend_p.h b/src/network/access/qnetworkaccessfilebackend_p.h
index e0fe148aa0..3109bb55e7 100644
--- a/src/network/access/qnetworkaccessfilebackend_p.h
+++ b/src/network/access/qnetworkaccessfilebackend_p.h
@@ -59,10 +59,10 @@ public:
     QNetworkAccessFileBackend();
     virtual ~QNetworkAccessFileBackend();
 
-    virtual void open();
-    virtual void closeDownstreamChannel();
+    virtual void open() Q_DECL_OVERRIDE;
+    virtual void closeDownstreamChannel() Q_DECL_OVERRIDE;
 
-    virtual void downstreamReadyWrite();
+    virtual void downstreamReadyWrite() Q_DECL_OVERRIDE;
 
 public slots:
     void uploadReadyReadSlot();
@@ -82,7 +82,7 @@ class QNetworkAccessFileBackendFactory: public QNetworkAccessBackendFactory
 public:
     virtual QStringList supportedSchemes() const Q_DECL_OVERRIDE;
     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
-                                          const QNetworkRequest &request) const;
+                                          const QNetworkRequest &request) const Q_DECL_OVERRIDE;
 };
 
 QT_END_NAMESPACE
diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index 317d9f90d5..60dcf0f49e 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -90,7 +90,7 @@ public:
         setShareable(false);
     }
 
-    void dispose()
+    void dispose() Q_DECL_OVERRIDE
     {
         connect(this, SIGNAL(done(bool)), this, SLOT(deleteLater()));
         close();
diff --git a/src/network/access/qnetworkaccessftpbackend_p.h b/src/network/access/qnetworkaccessftpbackend_p.h
index 0371c456f3..d49ed2afdf 100644
--- a/src/network/access/qnetworkaccessftpbackend_p.h
+++ b/src/network/access/qnetworkaccessftpbackend_p.h
@@ -77,10 +77,10 @@ public:
     QNetworkAccessFtpBackend();
     virtual ~QNetworkAccessFtpBackend();
 
-    virtual void open();
-    virtual void closeDownstreamChannel();
+    virtual void open() Q_DECL_OVERRIDE;
+    virtual void closeDownstreamChannel() Q_DECL_OVERRIDE;
 
-    virtual void downstreamReadyWrite();
+    virtual void downstreamReadyWrite() Q_DECL_OVERRIDE;
 
     enum CacheCleanupMode {
         ReleaseCachedConnection,
@@ -110,7 +110,7 @@ class QNetworkAccessFtpBackendFactory: public QNetworkAccessBackendFactory
 public:
     virtual QStringList supportedSchemes() const Q_DECL_OVERRIDE;
     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
-                                          const QNetworkRequest &request) const;
+                                          const QNetworkRequest &request) const Q_DECL_OVERRIDE;
 };
 
 QT_END_NAMESPACE
diff --git a/src/network/access/qnetworkdiskcache.h b/src/network/access/qnetworkdiskcache.h
index 8984c640e7..426c71b6d6 100644
--- a/src/network/access/qnetworkdiskcache.h
+++ b/src/network/access/qnetworkdiskcache.h
@@ -56,18 +56,18 @@ public:
     qint64 maximumCacheSize() const;
     void setMaximumCacheSize(qint64 size);
 
-    qint64 cacheSize() const;
-    QNetworkCacheMetaData metaData(const QUrl &url);
-    void updateMetaData(const QNetworkCacheMetaData &metaData);
-    QIODevice *data(const QUrl &url);
-    bool remove(const QUrl &url);
-    QIODevice *prepare(const QNetworkCacheMetaData &metaData);
-    void insert(QIODevice *device);
+    qint64 cacheSize() const Q_DECL_OVERRIDE;
+    QNetworkCacheMetaData metaData(const QUrl &url) Q_DECL_OVERRIDE;
+    void updateMetaData(const QNetworkCacheMetaData &metaData) Q_DECL_OVERRIDE;
+    QIODevice *data(const QUrl &url) Q_DECL_OVERRIDE;
+    bool remove(const QUrl &url) Q_DECL_OVERRIDE;
+    QIODevice *prepare(const QNetworkCacheMetaData &metaData) Q_DECL_OVERRIDE;
+    void insert(QIODevice *device) Q_DECL_OVERRIDE;
 
     QNetworkCacheMetaData fileMetaData(const QString &fileName) const;
 
 public Q_SLOTS:
-    void clear();
+    void clear() Q_DECL_OVERRIDE;
 
 protected:
     virtual qint64 expire();
diff --git a/src/network/access/qnetworkreply.h b/src/network/access/qnetworkreply.h
index 4a32131775..453116ea0e 100644
--- a/src/network/access/qnetworkreply.h
+++ b/src/network/access/qnetworkreply.h
@@ -104,8 +104,8 @@ public:
     ~QNetworkReply();
 
     // reimplemented from QIODevice
-    virtual void close();
-    virtual bool isSequential() const;
+    virtual void close() Q_DECL_OVERRIDE;
+    virtual bool isSequential() const Q_DECL_OVERRIDE;
 
     // like QAbstractSocket:
     qint64 readBufferSize() const;
@@ -158,7 +158,7 @@ Q_SIGNALS:
 protected:
     explicit QNetworkReply(QObject *parent = 0);
     QNetworkReply(QNetworkReplyPrivate &dd, QObject *parent);
-    virtual qint64 writeData(const char *data, qint64 len);
+    virtual qint64 writeData(const char *data, qint64 len) Q_DECL_OVERRIDE;
 
     void setOperation(QNetworkAccessManager::Operation operation);
     void setRequest(const QNetworkRequest &request);
diff --git a/src/network/access/qnetworkreplydataimpl_p.h b/src/network/access/qnetworkreplydataimpl_p.h
index 469203019a..bae3e58faf 100644
--- a/src/network/access/qnetworkreplydataimpl_p.h
+++ b/src/network/access/qnetworkreplydataimpl_p.h
@@ -60,15 +60,15 @@ class QNetworkReplyDataImpl: public QNetworkReply
 public:
     QNetworkReplyDataImpl(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op);
     ~QNetworkReplyDataImpl();
-    virtual void abort();
+    virtual void abort() Q_DECL_OVERRIDE;
 
     // reimplemented from QNetworkReply
-    virtual void close();
-    virtual qint64 bytesAvailable() const;
-    virtual bool isSequential () const;
-    qint64 size() const;
+    virtual void close() Q_DECL_OVERRIDE;
+    virtual qint64 bytesAvailable() const Q_DECL_OVERRIDE;
+    virtual bool isSequential () const Q_DECL_OVERRIDE;
+    qint64 size() const Q_DECL_OVERRIDE;
 
-    virtual qint64 readData(char *data, qint64 maxlen);
+    virtual qint64 readData(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
 
     Q_DECLARE_PRIVATE(QNetworkReplyDataImpl)
 };
diff --git a/src/network/access/qnetworkreplyfileimpl_p.h b/src/network/access/qnetworkreplyfileimpl_p.h
index 715a48d508..b4526d0bf5 100644
--- a/src/network/access/qnetworkreplyfileimpl_p.h
+++ b/src/network/access/qnetworkreplyfileimpl_p.h
@@ -61,15 +61,15 @@ class QNetworkReplyFileImpl: public QNetworkReply
 public:
     QNetworkReplyFileImpl(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op);
     ~QNetworkReplyFileImpl();
-    virtual void abort();
+    virtual void abort() Q_DECL_OVERRIDE;
 
     // reimplemented from QNetworkReply
-    virtual void close();
-    virtual qint64 bytesAvailable() const;
-    virtual bool isSequential () const;
-    qint64 size() const;
+    virtual void close() Q_DECL_OVERRIDE;
+    virtual qint64 bytesAvailable() const Q_DECL_OVERRIDE;
+    virtual bool isSequential () const Q_DECL_OVERRIDE;
+    qint64 size() const Q_DECL_OVERRIDE;
 
-    virtual qint64 readData(char *data, qint64 maxlen);
+    virtual qint64 readData(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
 
     Q_DECLARE_PRIVATE(QNetworkReplyFileImpl)
 };
diff --git a/src/network/access/qnetworkreplyhttpimpl_p.h b/src/network/access/qnetworkreplyhttpimpl_p.h
index 77d9c5a368..73349f4e7a 100644
--- a/src/network/access/qnetworkreplyhttpimpl_p.h
+++ b/src/network/access/qnetworkreplyhttpimpl_p.h
@@ -78,14 +78,14 @@ public:
     QNetworkReplyHttpImpl(QNetworkAccessManager* const, const QNetworkRequest&, QNetworkAccessManager::Operation&, QIODevice* outgoingData);
     virtual ~QNetworkReplyHttpImpl();
 
-    void close();
-    void abort();
-    qint64 bytesAvailable() const;
-    bool isSequential () const;
-    qint64 size() const;
-    qint64 readData(char*, qint64);
-    void setReadBufferSize(qint64 size);
-    bool canReadLine () const;
+    void close() Q_DECL_OVERRIDE;
+    void abort() Q_DECL_OVERRIDE;
+    qint64 bytesAvailable() const Q_DECL_OVERRIDE;
+    bool isSequential () const Q_DECL_OVERRIDE;
+    qint64 size() const Q_DECL_OVERRIDE;
+    qint64 readData(char*, qint64) Q_DECL_OVERRIDE;
+    void setReadBufferSize(qint64 size) Q_DECL_OVERRIDE;
+    bool canReadLine () const Q_DECL_OVERRIDE;
 
     Q_DECLARE_PRIVATE(QNetworkReplyHttpImpl)
     Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
@@ -129,10 +129,10 @@ public:
 
 #ifndef QT_NO_SSL
 protected:
-    void ignoreSslErrors();
-    void ignoreSslErrorsImplementation(const QList<QSslError> &errors);
-    void setSslConfigurationImplementation(const QSslConfiguration &configuration);
-    void sslConfigurationImplementation(QSslConfiguration &configuration) const;
+    void ignoreSslErrors() Q_DECL_OVERRIDE;
+    void ignoreSslErrorsImplementation(const QList<QSslError> &errors) Q_DECL_OVERRIDE;
+    void setSslConfigurationImplementation(const QSslConfiguration &configuration) Q_DECL_OVERRIDE;
+    void sslConfigurationImplementation(QSslConfiguration &configuration) const Q_DECL_OVERRIDE;
 #endif
 
 signals:
diff --git a/src/network/access/qnetworkreplyimpl_p.h b/src/network/access/qnetworkreplyimpl_p.h
index 9bd7c88c84..aa1d04f3f8 100644
--- a/src/network/access/qnetworkreplyimpl_p.h
+++ b/src/network/access/qnetworkreplyimpl_p.h
@@ -69,16 +69,16 @@ class QNetworkReplyImpl: public QNetworkReply
 public:
     QNetworkReplyImpl(QObject *parent = 0);
     ~QNetworkReplyImpl();
-    virtual void abort();
+    virtual void abort() Q_DECL_OVERRIDE;
 
     // reimplemented from QNetworkReply / QIODevice
-    virtual void close();
-    virtual qint64 bytesAvailable() const;
-    virtual void setReadBufferSize(qint64 size);
-    virtual bool canReadLine () const;
+    virtual void close() Q_DECL_OVERRIDE;
+    virtual qint64 bytesAvailable() const Q_DECL_OVERRIDE;
+    virtual void setReadBufferSize(qint64 size) Q_DECL_OVERRIDE;
+    virtual bool canReadLine () const Q_DECL_OVERRIDE;
 
-    virtual qint64 readData(char *data, qint64 maxlen);
-    virtual bool event(QEvent *);
+    virtual qint64 readData(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
+    virtual bool event(QEvent *) Q_DECL_OVERRIDE;
 
     Q_DECLARE_PRIVATE(QNetworkReplyImpl)
     Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
@@ -94,10 +94,10 @@ public:
 
 #ifndef QT_NO_SSL
 protected:
-    void sslConfigurationImplementation(QSslConfiguration &configuration) const;
-    void setSslConfigurationImplementation(const QSslConfiguration &configuration);
-    virtual void ignoreSslErrors();
-    virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors);
+    void sslConfigurationImplementation(QSslConfiguration &configuration) const Q_DECL_OVERRIDE;
+    void setSslConfigurationImplementation(const QSslConfiguration &configuration) Q_DECL_OVERRIDE;
+    virtual void ignoreSslErrors() Q_DECL_OVERRIDE;
+    virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors) Q_DECL_OVERRIDE;
 #endif
 };
 
@@ -214,9 +214,9 @@ public:
                           QNetworkAccessManager::Operation op);
     ~QDisabledNetworkReply();
 
-    void abort() { }
+    void abort() Q_DECL_OVERRIDE { }
 protected:
-    qint64 readData(char *, qint64) { return -1; }
+    qint64 readData(char *, qint64) Q_DECL_OVERRIDE { return -1; }
 };
 #endif