105 lines
1.6 KiB
C++
105 lines
1.6 KiB
C++
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/*++
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Copyright (C) Microsoft Corporation, 1998 - 1999
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All rights reserved.
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Module Name:
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Stream.hxx
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Abstract:
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Implements read, write , seek methods to operate a file likewise a stream
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Author:
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Adina Trufinescu (AdinaTru) 4-Nov-1998
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Revision History:
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--*/
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#ifndef _TSTREAM_HXX_
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#define _TSTREAM_HXX_
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class TStream
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{
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public:
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TStream::
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TStream(
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IN TString& strFileName
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);
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TStream::
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~TStream();
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HRESULT
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Read(
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IN VOID * pv,
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IN ULONG cb,
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IN ULONG * pcbRead
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);
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HRESULT
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Write(
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IN VOID const* pv,
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IN ULONG cb,
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IN ULONG * pcbWritten
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);
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HRESULT
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Seek(
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IN LARGE_INTEGER dlibMove,
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IN DWORD dwOrigin,
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IN ULARGE_INTEGER * plibNewPosition
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);
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HRESULT
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TStream::
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DestroyFile(
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VOID
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);
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BOOL
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TStream::
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bSetEndOfFile(
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VOID
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);
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static
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HRESULT
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MapWin32ErrorCodeToHRes(
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IN DWORD dwErrorCode
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);
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private:
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BOOL
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TStream::
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bValid
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(
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VOID
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);
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HANDLE
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PCreateFile(
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OUT LPDWORD pdwAccess
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);
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TString m_strFileName; // file name
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HANDLE m_hFileHandle; // file handle
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BOOL m_bCreated; // specify is file was created or just opened
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DWORD m_dwAccess; // specify access rights the file was opened with
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ULARGE_INTEGER m_uliStreamSize; // specify file size
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};
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#endif
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