Big, big, major commit this time:

[quassel.git] / main / util.cpp

diff --git a/main/util.cpp b/main/util.cpp
new file mode 100644 (file)
index 0000000..71c1913
--- /dev/null
+++ b/main/util.cpp
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *   Copyright (C) 2005/06 by The Quassel Team                             *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "util.h"
+
+#include <QtCore>
+
+void writeDataToDevice(QIODevice *dev, const QVariant &item) {
+  QByteArray block;
+  QDataStream out(&block, QIODevice::WriteOnly);
+  out.setVersion(QDataStream::Qt_4_1);
+  out << (quint32)0 << item;
+  out.device()->seek(0);
+  out << (quint32)(block.size() - sizeof(quint32));
+  dev->write(block);
+}
+
+bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
+  QDataStream in(dev);
+  in.setVersion(QDataStream::Qt_4_1);
+
+  if(blockSize == 0) {
+    if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
+    in >> blockSize;
+  }
+  if(dev->bytesAvailable() < blockSize) return false;
+  in >> item;
+  return true;
+}