169 lines
4.0 KiB
C++
169 lines
4.0 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: rothelp.hxx
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//
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// Contents: Definition of helpers that are shared between SCM and OLE32
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//
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// Classes: CTmpMkEqBuf
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//
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// History: 30-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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#ifndef __ROTHELP_HXX__
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#define __ROTHELP_HXX__
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#include <irot.h>
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//+-------------------------------------------------------------------------
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//
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// Class: CTmpMkEqBuf
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//
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// Purpose: Encapsulate the difference in RPC format to the SCM
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// and the format passed to IROTData interface.
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//
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// Interface: GetMkEqBuf - get the pointer the buffer approproiate for SCM
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//
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// History: 26-Jan-95 Ricksa Created
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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class CTmpMkEqBuf
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{
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public:
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MNKEQBUF * GetMkEqBuf(void);
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BYTE * GetBuf(void);
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DWORD GetSize(void);
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DWORD * GetSizeAddr(void);
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private:
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MNKEQBUF _mkeqbuf;
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// Subtract 1 from max size because MNKEQBUF has
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// a buffer defined of one byte.
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BYTE _abData[ROT_COMPARE_MAX - 1];
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};
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//+-------------------------------------------------------------------------
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//
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// Member: CTmpMkEqBuf::GetMkEqBuf
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//
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// Synopsis: Get a pointer to the MNKEQBUF
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//
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// History: 26-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline MNKEQBUF *CTmpMkEqBuf::GetMkEqBuf(void)
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{
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return &_mkeqbuf;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CTmpMkEqBuf::GetBuf
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//
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// Synopsis: Get pointer to buffer to stick comparison data
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//
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// History: 26-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline BYTE *CTmpMkEqBuf::GetBuf(void)
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{
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return &_mkeqbuf.abEqData[0];
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CTmpMkEqBuf::GetSize
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//
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// Synopsis: Get size of data buffer
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//
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// History: 26-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline DWORD CTmpMkEqBuf::GetSize(void)
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{
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return ROT_COMPARE_MAX;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CTmpMkEqBuf::GetSizeAddr
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//
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// Synopsis: Get pointer to the size of the buffer
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//
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// History: 26-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline DWORD *CTmpMkEqBuf::GetSizeAddr(void)
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{
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return &_mkeqbuf.cdwSize;
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}
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//+-------------------------------------------------------------------------
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//
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// Function: CreateFileMonikerComparisonBuffer
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//
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// Synopsis: Convert a file path to a moniker comparison buffer
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//
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// Arguments: [pwszPath] - path
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// [pbBuffer] - comparison buffer
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// [cdwMaxSize] - maximum size of the comparison buffer
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// [cdwUsed] - number of bytes used in the comparison buffer
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//
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// History: 30-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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HRESULT CreateFileMonikerComparisonBuffer(
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WCHAR *pwszPath,
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BYTE *pbBuffer,
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DWORD cdwMaxSize,
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DWORD *cUsed);
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//+-------------------------------------------------------------------------
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//
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// Function: ScmRotHash
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//
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// Synopsis: Calculate hash value of comparison buffer in the SCM.
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//
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// Arguments: [pbKey] - pointer to buffer
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// [cdwKey] - size of buffer
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//
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// Returns: Hash value for SCM ROT entry.
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//
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// History: 30-Jan-95 Ricksa Created
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//
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//--------------------------------------------------------------------------
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DWORD ScmRotHash(BYTE *pbKey, DWORD cdwKey, DWORD dwInitHash);
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#endif // __ROTHELP_HXX__
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