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diff --git a/src/shared/registryaccess/registryaccess.h b/src/shared/registryaccess/registryaccess.h
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+++ b/src/shared/registryaccess/registryaccess.h
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+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+// Some functions used by qtcreator.exe and qtcdebugger.exe to check if
+// qtcdebugger is currently registered for post-mortem debugging.
+// This is only needed on Windows.
+
+#ifndef REGISTRYACCESS_H
+#define REGISTRYACCESS_H
+
+#include <QtCore/QString>
+#include <QtCore/QLatin1String>
+
+#include <Windows.h>
+
+namespace RegistryAccess {
+
+static const char *debuggerApplicationFileC = "qtcdebugger";
+static const WCHAR *debuggerRegistryKeyC = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug";
+static const WCHAR *debuggerRegistryValueNameC = L"Debugger";
+
+static inline QString wCharToQString(const WCHAR *w)
+{
+    return QString::fromUtf16(reinterpret_cast<const ushort *>(w));
+}
+
+QString msgFunctionFailed(const char *f, unsigned long error);
+
+static inline QString msgRegistryOperationFailed(const char *op, const WCHAR *valueName, const QString &why)
+{
+    QString rc = QLatin1String("Registry ");
+    rc += QLatin1String(op);
+    rc += QLatin1String(" of ");
+    rc += wCharToQString(valueName);
+    rc += QLatin1String(" failed: ");
+    rc += why;
+    return rc;
+}
+
+bool registryReadStringKey(HKEY handle, // HKEY_LOCAL_MACHINE, etc.
+                           const WCHAR *valueName,
+                           QString *s,
+                           QString *errorMessage);
+
+bool openRegistryKey(HKEY category, // HKEY_LOCAL_MACHINE, etc.
+                     const WCHAR *key,
+                     bool readWrite,
+                     HKEY *keyHandle,
+                     QString *errorMessage);
+
+QString debuggerCall(const QString &additionalOption = QString());
+
+bool isRegistered(HKEY handle, const QString &call, QString *errorMessage, QString *oldDebugger = 0);
+
+} // namespace RegistryAccess
+
+#endif // REGISTRYACCESS_H