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49 lines
1.1 KiB
49 lines
1.1 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: psstream.hxx
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//
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// Contents: Internal stream base class
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//
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// Classes: PSStream
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//
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//--------------------------------------------------------------------------
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#ifndef __PSSTREAM_HXX__
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#define __PSSTREAM_HXX__
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#include <entry.hxx>
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class CDirectStream;
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class PSStream: public PEntry
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{
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public:
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virtual void AddRef(void) = 0;
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virtual void Release(void) = 0;
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virtual SCODE ReadAt(
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ULONG ulOffset,
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VOID HUGEP *pBuffer,
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ULONG ulCount,
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ULONG STACKBASED *pulRetval) = 0;
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virtual SCODE WriteAt(
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ULONG ulOffset,
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VOID const HUGEP *pBuffer,
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ULONG ulCount,
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ULONG STACKBASED *pulRetval) = 0;
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virtual SCODE SetSize(ULONG ulNewSize) = 0;
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virtual void GetSize(ULONG *pulSize) = 0;
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protected:
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inline PSStream(DFLUID dl) : PEntry(dl) {}
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};
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#endif //__PSSTREAM_HXX__
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