1 files changed, 52 insertions, 0 deletions
diff --git a/include/rtl/crc.h b/include/rtl/crc.h
new file mode 100644
index 000000000..24499572c
--- /dev/null
+++ b/include/rtl/crc.h
@@ -0,0 +1,52 @@
+/* -*- 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_RTL_CRC_H
+#define INCLUDED_RTL_CRC_H
+
+#include "sal/config.h"
+
+#include "sal/saldllapi.h"
+#include "sal/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Evaluate CRC32 over given data.
+
+    This function evaluates the CRC polynomial 0xEDB88320.
+
+    @param[in] Crc    CRC32 over previous data or zero.
+    @param[in] Data   data buffer.
+    @param[in] DatLen data buffer length.
+    @return new CRC32 value.
+ */
+SAL_DLLPUBLIC sal_uInt32 SAL_CALL rtl_crc32 (
+    sal_uInt32  Crc,
+    const void *Data, sal_uInt32 DatLen
+) SAL_THROW_EXTERN_C();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INCLUDED_RTL_CRC_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */