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diff --git a/kabc/locknull.h b/kabc/locknull.h
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+/*
+ This file is part of libkabc.
+
+ Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+#ifndef KABC_LOCKNULL_H
+#define KABC_LOCKNULL_H
+
+#include <qstring.h>
+
+#include "lock.h"
+
+namespace KABC {
+
+/**
+ This class provides a lock without actually locking. It can be constructed in
+ two ways: One that let all locks succeed and one that let all locks fail.
+*/
+class KABC_EXPORT LockNull : public Lock
+{
+ public:
+ LockNull( bool allowAccess );
+ ~LockNull();
+
+ bool lock();
+ bool unlock();
+
+ QString error() const;
+
+ private:
+ bool mAllowAccess;
+
+ class Private;
+ Private *d;
+};
+
+}
+
+#endif