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diff --git a/i18nutil/inc/i18nutil/x_rtl_ustring.h b/i18nutil/inc/i18nutil/x_rtl_ustring.h
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+++ b/i18nutil/inc/i18nutil/x_rtl_ustring.h
@@ -0,0 +1,78 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef INCLUDED_I18NUTIL_X_RTL_USTRING_H
+#define INCLUDED_I18NUTIL_X_RTL_USTRING_H
+
+#ifndef _RTL_STRING_HXX_
+#include <rtl/strbuf.hxx>
+#endif
+#include <rtl/memory.h>
+#include <rtl/alloc.h>
+
+
+/**
+ * Allocates a new <code>rtl_uString</code> which can hold nLen + 1 characters.
+ * The reference count is 0. The characters of room is not cleared.
+ * This method is similar to rtl_uString_new_WithLength in rtl/ustring.h, but
+ * can allocate a new string more efficiently. You need to "acquire" by such as
+ * OUString( rtl_uString * value ) if you intend to use it for a while.
+ * @param   [output] newStr
+ * @param   [input]  nLen
+ */
+inline void SAL_CALL x_rtl_uString_new_WithLength( rtl_uString ** newStr, sal_Int32 nLen, sal_Int32 _refCount = 0 )
+{
+  *newStr = (rtl_uString*) rtl_allocateMemory ( sizeof(rtl_uString) + sizeof(sal_Unicode) * nLen);
+  (*newStr)->refCount = _refCount;
+  (*newStr)->length = nLen;
+
+  // rtl_uString is defined in rtl/ustring.h as below:
+  //typedef struct _rtl_uString
+  //{
+  //    sal_Int32       refCount;
+  //    sal_Int32       length;
+  //    sal_Unicode     buffer[1];
+  //} rtl_uString;
+}
+
+inline rtl_uString * SAL_CALL x_rtl_uString_new_WithLength( sal_Int32 nLen, sal_Int32 _refCount = 0 )
+{
+  rtl_uString *newStr = (rtl_uString*) rtl_allocateMemory ( sizeof(rtl_uString) + sizeof(sal_Unicode) * nLen);
+  newStr->refCount = _refCount;
+  newStr->length = nLen;
+  return newStr;
+}
+
+/**
+ * Release <code>rtl_uString</code> regardless its reference count.
+ */
+inline void SAL_CALL x_rtl_uString_release( rtl_uString * value )
+{
+  rtl_freeMemory(value);
+}
+
+
+#endif // #ifndef _I18N_X_RTL_USTRING_H_