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diff --git a/oox/source/helper/binaryinputstream.cxx b/oox/source/helper/binaryinputstream.cxx
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index 000000000000..a5a3cf9a2c30
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+++ b/oox/source/helper/binaryinputstream.cxx
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+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#include "oox/helper/binaryinputstream.hxx"
+#include <string.h>
+#include <vector>
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+#include "oox/helper/binaryoutputstream.hxx"
+
+using ::rtl::OString;
+using ::rtl::OStringBuffer;
+using ::rtl::OStringToOUString;
+using ::rtl::OUString;
+using ::rtl::OUStringBuffer;
+using ::com::sun::star::uno::UNO_QUERY;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Exception;
+using ::com::sun::star::io::XInputStream;
+using ::com::sun::star::io::XSeekable;
+
+namespace oox {
+
+const sal_Int32 INPUTSTREAM_BUFFERSIZE      = 0x8000;
+
+// ============================================================================
+
+OString BinaryInputStream::readNulCharArray()
+{
+    OStringBuffer aBuffer;
+    for( sal_uInt8 nChar = readuInt8(); !mbEof && (nChar > 0); readValue( nChar ) )
+        aBuffer.append( static_cast< sal_Char >( nChar ) );
+    return aBuffer.makeStringAndClear();
+}
+
+OUString BinaryInputStream::readNulCharArrayUC( rtl_TextEncoding eTextEnc )
+{
+    return OStringToOUString( readNulCharArray(), eTextEnc );
+}
+
+OUString BinaryInputStream::readNulUnicodeArray()
+{
+    OUStringBuffer aBuffer;
+    for( sal_uInt16 nChar = readuInt16(); !mbEof && (nChar > 0); readValue( nChar ) )
+        aBuffer.append( static_cast< sal_Unicode >( nChar ) );
+    return aBuffer.makeStringAndClear();
+}
+
+OString BinaryInputStream::readCharArray( sal_Int32 nChars, bool bAllowNulChars )
+{
+    if( nChars <= 0 )
+        return OString();
+
+    ::std::vector< sal_Char > aBuffer( static_cast< size_t >( nChars ) );
+    size_t nCharsRead = static_cast< size_t >( readMemory( &aBuffer.front(), nChars ) );
+    if( !bAllowNulChars )
+        ::std::replace( aBuffer.begin(), aBuffer.begin() + nCharsRead, '\0', '?' );
+    return OString( &aBuffer.front(), nCharsRead );
+}
+
+OUString BinaryInputStream::readCharArrayUC( sal_Int32 nChars, rtl_TextEncoding eTextEnc, bool bAllowNulChars )
+{
+    return OStringToOUString( readCharArray( nChars, bAllowNulChars ), eTextEnc );
+}
+
+OUString BinaryInputStream::readUnicodeArray( sal_Int32 nChars, bool bAllowNulChars )
+{
+    OUStringBuffer aBuffer;
+    if( nChars > 0 )
+    {
+        aBuffer.ensureCapacity( nChars );
+        sal_uInt16 nChar;
+        for( sal_uInt16 nCharIdx = 0; !mbEof && (nCharIdx < nChars); ++nCharIdx )
+        {
+            readValue( nChar );
+            aBuffer.append( static_cast< sal_Unicode >( (!bAllowNulChars && (nChar == 0)) ? '?' : nChar ) );
+        }
+    }
+    return aBuffer.makeStringAndClear();
+}
+
+void BinaryInputStream::copyToStream( BinaryOutputStream& rOutStrm, sal_Int64 nBytes )
+{
+    if( nBytes > 0 )
+    {
+        sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int64 >( nBytes, 0, INPUTSTREAM_BUFFERSIZE );
+        StreamDataSequence aBuffer( nBufferSize );
+        while( nBytes > 0 )
+        {
+            sal_Int32 nReadSize = getLimitedValue< sal_Int32, sal_Int64 >( nBytes, 0, nBufferSize );
+            sal_Int32 nBytesRead = readData( aBuffer, nReadSize );
+            rOutStrm.writeData( aBuffer );
+            if( nReadSize == nBytesRead )
+                nBytes -= nReadSize;
+            else
+                nBytes = 0;
+        }
+    }
+}
+
+void BinaryInputStream::readAtom( void* opMem, sal_uInt8 nSize )
+{
+    readMemory( opMem, nSize );
+}
+
+// ============================================================================
+
+BinaryXInputStream::BinaryXInputStream( const Reference< XInputStream >& rxInStrm, bool bAutoClose ) :
+    BinaryXSeekableStream( Reference< XSeekable >( rxInStrm, UNO_QUERY ) ),
+    maBuffer( INPUTSTREAM_BUFFERSIZE ),
+    mxInStrm( rxInStrm ),
+    mbAutoClose( bAutoClose )
+{
+    mbEof = !mxInStrm.is();
+}
+
+BinaryXInputStream::~BinaryXInputStream()
+{
+    if( mbAutoClose )
+        close();
+}
+
+sal_Int32 BinaryXInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes )
+{
+    sal_Int32 nRet = 0;
+    if( !mbEof && (nBytes > 0) ) try
+    {
+        OSL_ENSURE( mxInStrm.is(), "BinaryXInputStream::readData - invalid call" );
+        nRet = mxInStrm->readBytes( orData, nBytes );
+        mbEof = nRet != nBytes;
+    }
+    catch( Exception& )
+    {
+        mbEof = true;
+    }
+    return nRet;
+}
+
+sal_Int32 BinaryXInputStream::readMemory( void* opMem, sal_Int32 nBytes )
+{
+    sal_Int32 nRet = 0;
+    if( !mbEof && (nBytes > 0) )
+    {
+        sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, INPUTSTREAM_BUFFERSIZE );
+        sal_uInt8* opnMem = reinterpret_cast< sal_uInt8* >( opMem );
+        while( !mbEof && (nBytes > 0) )
+        {
+            sal_Int32 nReadSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, nBufferSize );
+            sal_Int32 nBytesRead = readData( maBuffer, nReadSize );
+            if( nBytesRead > 0 )
+                memcpy( opnMem, maBuffer.getConstArray(), static_cast< size_t >( nBytesRead ) );
+            opnMem += nBytesRead;
+            nBytes -= nBytesRead;
+            nRet += nBytesRead;
+        }
+    }
+    return nRet;
+}
+
+void BinaryXInputStream::skip( sal_Int32 nBytes )
+{
+    if( !mbEof ) try
+    {
+        OSL_ENSURE( mxInStrm.is(), "BinaryXInputStream::skip - invalid call" );
+        mxInStrm->skipBytes( nBytes );
+    }
+    catch( Exception& )
+    {
+        mbEof = true;
+    }
+}
+
+void BinaryXInputStream::close()
+{
+    if( mxInStrm.is() ) try
+    {
+        mxInStrm->closeInput();
+        mxInStrm.clear();
+    }
+    catch( Exception& )
+    {
+        OSL_ENSURE( false, "BinaryXInputStream::close - closing input stream failed" );
+    }
+}
+
+// ============================================================================
+
+SequenceInputStream::SequenceInputStream( const StreamDataSequence& rData ) :
+    SequenceSeekableStream( rData )
+{
+}
+
+sal_Int32 SequenceInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes )
+{
+    sal_Int32 nReadBytes = 0;
+    if( !mbEof )
+    {
+        nReadBytes = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, mrData.getLength() - mnPos );
+        orData.realloc( nReadBytes );
+        if( nReadBytes > 0 )
+            memcpy( orData.getArray(), mrData.getConstArray() + mnPos, static_cast< size_t >( nReadBytes ) );
+        mnPos += nReadBytes;
+        mbEof = nReadBytes < nBytes;
+    }
+    return nReadBytes;
+}
+
+sal_Int32 SequenceInputStream::readMemory( void* opMem, sal_Int32 nBytes )
+{
+    sal_Int32 nReadBytes = 0;
+    if( !mbEof )
+    {
+        nReadBytes = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, mrData.getLength() - mnPos );
+        if( nReadBytes > 0 )
+            memcpy( opMem, mrData.getConstArray() + mnPos, static_cast< size_t >( nReadBytes ) );
+        mnPos += nReadBytes;
+        mbEof = nReadBytes < nBytes;
+    }
+    return nReadBytes;
+}
+
+void SequenceInputStream::skip( sal_Int32 nBytes )
+{
+    if( !mbEof )
+    {
+        sal_Int32 nSkipBytes = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, mrData.getLength() - mnPos );
+        mnPos += nSkipBytes;
+        mbEof = nSkipBytes < nBytes;
+    }
+}
+
+// ============================================================================
+
+RelativeInputStream::RelativeInputStream( BinaryInputStream& rInStrm, sal_Int64 nLength ) :
+    mrInStrm( rInStrm ),
+    mnStartPos( rInStrm.tell() ),
+    mnRelPos( 0 )
+{
+    sal_Int64 nRemaining = rInStrm.getRemaining();
+    mnLength = (nRemaining >= 0) ? ::std::min( nLength, nRemaining ) : nLength;
+    mbEof = mnLength < 0;
+}
+
+bool RelativeInputStream::isSeekable() const
+{
+    return mrInStrm.isSeekable();
+}
+
+sal_Int64 RelativeInputStream::getLength() const
+{
+    return mnLength;
+}
+
+sal_Int64 RelativeInputStream::tell() const
+{
+    return mnRelPos;
+}
+
+void RelativeInputStream::seek( sal_Int64 nPos )
+{
+    if( mrInStrm.isSeekable() && (mnStartPos >= 0) )
+    {
+        mnRelPos = getLimitedValue< sal_Int64, sal_Int64 >( nPos, 0, mnLength );
+        mrInStrm.seek( mnStartPos + mnRelPos );
+        mbEof = (mnRelPos != nPos) || mrInStrm.isEof();
+    }
+}
+
+sal_Int32 RelativeInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes )
+{
+    sal_Int32 nReadBytes = 0;
+    if( !mbEof )
+    {
+        sal_Int32 nRealBytes = getLimitedValue< sal_Int32, sal_Int64 >( nBytes, 0, mnLength - mnRelPos );
+        nReadBytes = mrInStrm.readData( orData, nRealBytes );
+        mnRelPos += nReadBytes;
+        mbEof = (nRealBytes < nBytes) || mrInStrm.isEof();
+    }
+    return nReadBytes;
+}
+
+sal_Int32 RelativeInputStream::readMemory( void* opMem, sal_Int32 nBytes )
+{
+    sal_Int32 nReadBytes = 0;
+    if( !mbEof )
+    {
+        sal_Int32 nRealBytes = getLimitedValue< sal_Int32, sal_Int64 >( nBytes, 0, mnLength - mnRelPos );
+        nReadBytes = mrInStrm.readMemory( opMem, nRealBytes );
+        mnRelPos += nReadBytes;
+        mbEof = (nRealBytes < nBytes) || mrInStrm.isEof();
+    }
+    return nReadBytes;
+}
+
+void RelativeInputStream::skip( sal_Int32 nBytes )
+{
+    if( !mbEof )
+    {
+        sal_Int32 nSkipBytes = getLimitedValue< sal_Int32, sal_Int64 >( nBytes, 0, mnLength - mnRelPos );
+        mrInStrm.skip( nSkipBytes );
+        mnRelPos += nSkipBytes;
+        mbEof = nSkipBytes < nBytes;
+    }
+}
+
+// ============================================================================
+
+} // namespace oox
+