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diff --git a/cppu/source/uno/prim.hxx b/cppu/source/uno/prim.hxx
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+++ b/cppu/source/uno/prim.hxx
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+/* -*- 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_CPPU_SOURCE_UNO_PRIM_HXX
+#define INCLUDED_CPPU_SOURCE_UNO_PRIM_HXX
+
+#include <typelib/typedescription.h>
+#include <typelib/typeclass.h>
+#include <uno/sequence2.h>
+#include <uno/any2.h>
+#include <uno/data.h>
+#include <uno/mapping.h>
+#include <uno/dispatcher.h>
+
+#include <osl/interlck.h>
+#include <stdint.h>
+
+namespace cppu
+{
+
+extern uno_Sequence g_emptySeq;
+extern typelib_TypeDescriptionReference * g_pVoidType;
+
+
+inline void * _map(
+    void * p,
+    typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
+    uno_Mapping * mapping )
+
+{
+    void * pRet = nullptr;
+    if (p)
+    {
+        if (pTypeDescr)
+        {
+            (*mapping->mapInterface)(
+                mapping, &pRet, p, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) );
+        }
+        else
+        {
+            TYPELIB_DANGER_GET( &pTypeDescr, pType );
+            (*mapping->mapInterface)(
+                mapping, &pRet, p, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) );
+            TYPELIB_DANGER_RELEASE( pTypeDescr );
+        }
+    }
+    return pRet;
+}
+
+inline void _acquire( void * p, uno_AcquireFunc acquire )
+{
+    if (p)
+    {
+        if (acquire)
+        {
+            (*acquire)( p );
+        }
+        else
+        {
+            (*static_cast<uno_Interface *>(p)->acquire)( static_cast<uno_Interface *>(p) );
+        }
+    }
+}
+
+inline void _release( void * p, uno_ReleaseFunc release )
+{
+    if (p)
+    {
+        if (release)
+        {
+            (*release)( p );
+        }
+        else
+        {
+            (*static_cast<uno_Interface *>(p)->release)( static_cast<uno_Interface *>(p) );
+        }
+    }
+}
+
+
+inline sal_uInt32 calcSeqMemSize(
+    sal_Int32 nElementSize, sal_Int32 nElements )
+{
+    sal_uInt64 nSize =
+        static_cast<sal_uInt64>(SAL_SEQUENCE_HEADER_SIZE) +
+        (static_cast<sal_uInt64>(nElementSize) * static_cast<sal_uInt64>(nElements));
+    if (nSize > 0xffffffffU)
+        return 0;
+    else
+        return static_cast<sal_uInt32>(nSize);
+}
+
+
+inline uno_Sequence * createEmptySequence()
+{
+    osl_atomic_increment( &g_emptySeq.nRefCount );
+    return &g_emptySeq;
+}
+
+inline typelib_TypeDescriptionReference * _getVoidType()
+{
+    if (! g_pVoidType)
+    {
+        g_pVoidType = * ::typelib_static_type_getByTypeClass( typelib_TypeClass_VOID );
+    }
+    ::typelib_typedescriptionreference_acquire( g_pVoidType );
+    return g_pVoidType;
+}
+
+inline void CONSTRUCT_EMPTY_ANY(uno_Any * pAny) {
+    pAny->pType = _getVoidType();
+#if OSL_DEBUG_LEVEL > 0
+    pAny->pData = reinterpret_cast<void *>(uintptr_t(0xdeadbeef));
+#else
+    pAny->pData = pAny;
+#endif
+}
+
+#define TYPE_ACQUIRE( pType ) \
+    osl_atomic_increment( &(pType)->nRefCount );
+
+
+extern "C" void * binuno_queryInterface(
+    void * pUnoI, typelib_TypeDescriptionReference * pDestType );
+
+
+inline bool _type_equals(
+    typelib_TypeDescriptionReference const * pType1, typelib_TypeDescriptionReference const * pType2 )
+
+{
+    return (pType1 == pType2 ||
+            (pType1->eTypeClass == pType2->eTypeClass &&
+             pType1->pTypeName->length == pType2->pTypeName->length &&
+             ::rtl_ustr_compare( pType1->pTypeName->buffer, pType2->pTypeName->buffer ) == 0));
+}
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */