--- a/src/network/socket/qhttpsocketengine.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/network/socket/qhttpsocketengine.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -276,6 +276,16 @@
 }
 #endif // QT_NO_UDPSOCKET
 
+qint64 QHttpSocketEngine::bytesToWrite() const
+{
+    Q_D(const QHttpSocketEngine);
+    if (d->socket) {
+        return d->socket->bytesToWrite();
+    } else {
+        return 0;
+    }
+}
+
 int QHttpSocketEngine::option(SocketOption option) const
 {
     Q_D(const QHttpSocketEngine);