mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.1 KiB
50 lines
1.1 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1998.
|
|
//
|
|
// File: mmscbuf.hxx
|
|
//
|
|
// Contents: Memory Mapped Stream buffer for consecutive buffer mapping
|
|
//
|
|
// Classes: CMmStreamConsecBuf
|
|
//
|
|
// History: 22-Jul-93 AmyA Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include <pmmstrm.hxx>
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CMmStreamConsecBuf
|
|
//
|
|
// Purpose: Memory Mapped Stream Buffer for consecutive buffer mapping
|
|
//
|
|
// History: 22-Jul-93 AmyA Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
class CMmStreamConsecBuf: public CMmStreamBuf
|
|
{
|
|
public:
|
|
|
|
CMmStreamConsecBuf();
|
|
|
|
void Init( PMmStream * pMmStream );
|
|
|
|
void Map ( ULONG cb );
|
|
|
|
void Rewind ();
|
|
|
|
BOOL Eof();
|
|
|
|
LONGLONG CurrentOffset() const { return _liOffset.QuadPart; }
|
|
|
|
private:
|
|
|
|
PMmStream * _pMmStream;
|
|
LARGE_INTEGER _liOffset;
|
|
};
|
|
|