windows-nt/Source/XPSP1/NT/base/win32/fusion/inc/fusionreg.h
2020-09-26 16:20:57 +08:00

132 lines
4.3 KiB
C++

/*++
Copyright (c) 2000-2001 Microsoft Corporation
Module Name:
fusionreg.h
Abstract:
registry pieces of FusionHandle
other registry stuff -- Win2000 32bit-on-64bit support
Author:
Jay Krell (JayKrell) April 2001
Revision History:
--*/
#pragma once
//
// KEY_WOW64_64KEY if it is supported on this system, else 0.
//
DWORD FUSIONP_KEY_WOW64_64KEY();
/* this closes RegOpenKey/RegCreateKey */
class COperatorFRegCloseKey
{
public: BOOL operator()(void* handle) const;
};
//
// there isn't an actual invalid value, and HKEY is not HANDLE.
// The right solution is to keep a seperate bool as in \\JayK1\g\vs\src\vsee\lib\Reg.
// See about porting that over.
//
// 3/20/2001 - JonWis - "NULL" really is the "invalid key" value, as I watched
// RegOpenKeyExW fill out its out PHKEY with "NULL" when the tag could not be
// opened.
//
class CRegKey : public CHandleTemplate<&hNull, COperatorFRegCloseKey>
{
private:
typedef CHandleTemplate<&hNull, COperatorFRegCloseKey> Base;
public:
CRegKey(void* handle = GetInvalidValue()) : Base(handle) { }
operator HKEY() const { return reinterpret_cast<HKEY>(m_handle); }
void operator=(HKEY hkValue) { return Base::operator=(hkValue); }
BOOL OpenOrCreateSubKey(
OUT CRegKey& Target,
IN PCWSTR SubKeyName,
IN REGSAM rsDesiredAccess = KEY_ALL_ACCESS,
IN DWORD dwOptions = 0,
IN PDWORD pdwDisposition = NULL,
IN PWSTR pwszClass = NULL) const;
BOOL OpenSubKey( OUT CRegKey& Target, IN PCWSTR SubKeyName, REGSAM rsAccess = KEY_READ, DWORD ulOptions = 0) const;
BOOL EnumKey( IN DWORD dwIndex, OUT CBaseStringBuffer& rbuffKeyName, PFILETIME pftLastWriteTime = NULL, PBOOL pbNoMoreItems = NULL ) const;
BOOL LargestSubItemLengths( PDWORD pdwSubkeyLength = NULL, PDWORD pdwValueLength = NULL ) const;
BOOL EnumValue( IN DWORD dwIndex, OUT CBaseStringBuffer& rbuffValueName, LPDWORD lpdwType = NULL, PBYTE pbData = NULL, PDWORD pdwcbData = NULL, PBOOL pbNoMoreItems = NULL );
BOOL SetValue(IN PCWSTR pcwszValueName, IN DWORD dwRegType, IN const BYTE *pbData, IN SIZE_T cbDataLength) const;
BOOL SetValue(IN PCWSTR pcwszValueName, IN const CBaseStringBuffer &rcbuffValueValue) const;
BOOL SetValue(IN PCWSTR pcwszValueName, IN DWORD dwValue) const;
BOOL DeleteValue(IN PCWSTR pcwszValueName, OUT DWORD &rdwWin32Error, SIZE_T cExceptionalWin32Errors, ...) const;
BOOL DeleteValue(IN PCWSTR pcwszValueName) const;
BOOL DeleteKey( IN PCWSTR pcwszValue );
BOOL DestroyKeyTree();
BOOL Save( IN PCWSTR TargetFilePath, IN DWORD dwFlags = REG_LATEST_FORMAT, IN LPSECURITY_ATTRIBUTES pSecAttrsOnTargetFile = NULL );
BOOL Restore( IN PCWSTR SourceFilePath, DWORD dwFlags );
static HKEY GetInvalidValue() { return reinterpret_cast<HKEY>(Base::GetInvalidValue()); }
private:
void operator =(const HANDLE);
CRegKey(const CRegKey &); // intentionally not implemented
void operator =(const CRegKey &); // intentionally not implemented
};
/*--------------------------------------------------------------------------
inline implementation
--------------------------------------------------------------------------*/
inline BOOL COperatorFRegCloseKey::operator()(void* handle) const
{
HKEY hk = reinterpret_cast<HKEY>(handle);
if ( ( hk != NULL ) && ( hk != INVALID_HANDLE_VALUE ) )
{
LONG lRet = ::RegCloseKey(reinterpret_cast<HKEY>(handle));
if (lRet == NO_ERROR)
return true;
::FusionpSetLastWin32Error(lRet);
return false;
}
return true;
}
#if defined(FUSION_WIN)
#define FUSIONP_KEY_WOW64_64KEY KEY_WOW64_64KEY
inline DWORD FusionpKeyWow6464key() { return KEY_WOW64_64KEY; }
#else
#include "fusionversion.h"
inline DWORD FusionpKeyWow6464key()
{
static DWORD dwResult;
static BOOL fInited;
if (!fInited)
{
//
// GetVersion gets the significance wrong, returning 0x0105 in the lower word.
// As well since these functions say WindowsNt in their names, they return 0 for Win9x.
//
DWORD dwVersion = (FusionpGetWindowsNtMajorVersion() << 8) | FusionpGetWindowsNtMinorVersion();
if (dwVersion >= 0x0501)
{
dwResult = KEY_WOW64_64KEY;
}
fInited = TRUE;
}
return dwResult;
}
#define FUSIONP_KEY_WOW64_64KEY FusionpKeyWow6464key()
#endif