51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1998.
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//
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// File: mmscbuf.hxx
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//
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// Contents: Memory Mapped Stream buffer for consecutive buffer mapping
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//
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// Classes: CMmStreamConsecBuf
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//
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// History: 22-Jul-93 AmyA Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <pmmstrm.hxx>
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//+---------------------------------------------------------------------------
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//
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// Class: CMmStreamConsecBuf
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//
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// Purpose: Memory Mapped Stream Buffer for consecutive buffer mapping
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//
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// History: 22-Jul-93 AmyA Created
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//
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//----------------------------------------------------------------------------
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class CMmStreamConsecBuf: public CMmStreamBuf
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{
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public:
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CMmStreamConsecBuf();
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void Init( PMmStream * pMmStream );
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void Map ( ULONG cb );
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void Rewind ();
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BOOL Eof();
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LONGLONG CurrentOffset() const { return _liOffset.QuadPart; }
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private:
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PMmStream * _pMmStream;
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LARGE_INTEGER _liOffset;
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};
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