1 files changed, 48 insertions, 0 deletions
diff --git a/package/inc/CRC32.hxx b/package/inc/CRC32.hxx
new file mode 100644
index 000000000..a2ca1b435
--- /dev/null
+++ b/package/inc/CRC32.hxx
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_PACKAGE_INC_CRC32_HXX
+#define INCLUDED_PACKAGE_INC_CRC32_HXX
+
+#include <com/sun/star/uno/Sequence.h>
+#include <com/sun/star/uno/Reference.h>
+
+namespace com::sun::star {
+    namespace io { class XInputStream; }
+}
+class CRC32 final
+{
+    sal_uInt32 nCRC;
+public:
+    CRC32();
+
+    /// @throws css::uno::RuntimeException
+    sal_Int64 updateStream (css::uno::Reference < css::io::XInputStream > const & xStream);
+    /// @throws css::uno::RuntimeException
+    void updateSegment(const css::uno::Sequence< sal_Int8 > &b, sal_Int32 len);
+    /// @throws css::uno::RuntimeException
+    void update(const css::uno::Sequence< sal_Int8 > &b);
+    /// @throws css::uno::RuntimeException
+    sal_Int32 getValue() const;
+    /// @throws css::uno::RuntimeException
+    void reset();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */