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576 lines
15 KiB
C++
576 lines
15 KiB
C++
/* $Id: RegistryKey.cpp,v 1.5 2002/01/04 22:07:38 hbirr Exp $
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*
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* regexpl - Console Registry Explorer
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*
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* Copyright (C) 2000,2001 Nedko Arnaoudov <nedkohome@atia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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// RegistryKey.cpp: implementation of the CRegistryKey class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "ph.h"
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#include "RegistryKey.h"
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static TCHAR *g_ppszHiveNames[] =
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{
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_T("HKEY_CLASSES_ROOT"),
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_T("HKEY_CURRENT_USER"),
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_T("HKEY_LOCAL_MACHINE"),
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_T("HKEY_USERS"),
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_T("HKEY_PERFORMANCE_DATA"),
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_T("HKEY_CURRENT_CONFIG"),
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_T("HKEY_DYN_DATA")
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};
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CRegistryKey::CRegistryKey()
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{
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m_pszKeyName = NULL;
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m_pszMachineName = NULL;
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m_CurrentAccess = 0;
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m_hKey = NULL;
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}
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HRESULT CRegistryKey::InitRoot(const TCHAR *pszMachineName = NULL)
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{
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if ((pszMachineName)&&
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((_tcslen(pszMachineName) < 3)||
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(pszMachineName[0] != _T('\\'))||
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(pszMachineName[1] != _T('\\'))
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)
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)
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{
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return E_INVALIDARG;
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}
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HRESULT hr = Uninit();
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if (FAILED(hr))
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return hr;
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if (pszMachineName)
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{ // copy machine name
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size_t size = _tcslen(pszMachineName);
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m_pszMachineName = new TCHAR [size+2];
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if (!m_pszMachineName)
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return E_OUTOFMEMORY;
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_tcscpy(m_pszMachineName,pszMachineName);
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m_pszMachineName[size] = _T('\\');
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m_pszMachineName[size+1] = 0;
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}
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else
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{
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m_pszMachineName = NULL; // local registry
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}
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ASSERT(m_pszKeyName == NULL);
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m_CurrentAccess = 0;
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ASSERT(m_hKey == NULL);
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return S_OK;
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}
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HRESULT CRegistryKey::Init(HKEY hKey, const TCHAR *pszPath, const TCHAR *pszKeyName, REGSAM CurrentAccess)
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{
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HRESULT hr = Uninit();
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if (FAILED(hr))
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return hr;
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if (!pszKeyName || !hKey)
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return E_INVALIDARG;
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// copy key name name
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size_t size = _tcslen(pszKeyName);
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if (pszPath)
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size += _tcslen(pszPath);
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m_pszKeyName = new TCHAR [size+2];
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if (!m_pszKeyName)
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return E_OUTOFMEMORY;
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_stprintf(m_pszKeyName,_T("%s%s\\"),pszPath?pszPath:_T(""),pszKeyName);
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m_CurrentAccess = CurrentAccess;
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m_hKey = hKey;
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ASSERT(m_hKey);
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return S_OK;
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}
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HRESULT CRegistryKey::Uninit()
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{
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if (m_pszKeyName)
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{
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delete [] m_pszKeyName;
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m_pszKeyName = NULL;
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}
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if (m_pszMachineName)
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{
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delete [] m_pszMachineName;
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m_pszMachineName = NULL;
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}
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LONG nError = ERROR_SUCCESS;
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if((m_hKey != NULL)&&(!IsHive(m_hKey)))
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nError = RegCloseKey(m_hKey);
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m_hKey = NULL;
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return (nError == ERROR_SUCCESS)?S_OK:E_FAIL;
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}
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BOOL CRegistryKey::IsHive(HKEY hKey)
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{
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return ((hKey == HKEY_CLASSES_ROOT)||
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(hKey == HKEY_CURRENT_USER)||
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(hKey == HKEY_LOCAL_MACHINE)||
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(hKey == HKEY_USERS)||
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(hKey == HKEY_PERFORMANCE_DATA)||
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(hKey == HKEY_CURRENT_CONFIG)||
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(hKey == HKEY_DYN_DATA));
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}
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CRegistryKey::~CRegistryKey()
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{
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Uninit();
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}
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const TCHAR * CRegistryKey::GetKeyName()
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{
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return m_pszKeyName?m_pszKeyName:(m_pszMachineName?m_pszMachineName:_T("\\"));
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}
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BOOL CRegistryKey::IsRoot()
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{
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return m_hKey == NULL;
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}
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LONG CRegistryKey::OpenSubkey(REGSAM samDesired, const TCHAR *pszSubkeyName, HKEY &rhKey)
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{
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if (m_hKey == NULL)
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{ // subkey of root key is hive root key.
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if ((_tcsicmp(pszSubkeyName,_T("HKCR")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_CLASSES_ROOT")) == 0))
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{
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rhKey = HKEY_CLASSES_ROOT;
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if (m_pszMachineName)
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return ERROR_FILE_NOT_FOUND;
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKCU")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_CURRENT_USER")) == 0))
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{
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rhKey = HKEY_CURRENT_USER;
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if (m_pszMachineName)
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return ERROR_FILE_NOT_FOUND;
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKLM")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_LOCAL_MACHINE")) == 0))
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{
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rhKey = HKEY_LOCAL_MACHINE;
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if (m_pszMachineName)
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return RegConnectRegistry(m_pszMachineName,rhKey,&rhKey);
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKU")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_USERS")) == 0))
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{
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rhKey = HKEY_USERS;
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if (m_pszMachineName)
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return RegConnectRegistry(m_pszMachineName,rhKey,&rhKey);
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKPD")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_PERFORMANCE_DATA")) == 0))
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{
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rhKey = HKEY_PERFORMANCE_DATA;
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if (m_pszMachineName)
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return RegConnectRegistry(m_pszMachineName,rhKey,&rhKey);
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKDD")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_DYN_DATA")) == 0))
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{
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rhKey = HKEY_DYN_DATA;
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if (m_pszMachineName)
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return RegConnectRegistry(m_pszMachineName,rhKey,&rhKey);
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return ERROR_SUCCESS;
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}
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else if ((_tcsicmp(pszSubkeyName,_T("HKCC")) == 0)||
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(_tcsicmp(pszSubkeyName,_T("HKEY_CURRENT_CONFIG")) == 0))
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{
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rhKey = HKEY_CURRENT_CONFIG;
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if (m_pszMachineName)
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{
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TCHAR *pch = m_pszMachineName;
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while (*pch)
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pch++;
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pch--;
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ASSERT(*pch == _T('\\'));
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if (*pch != _T('\\'))
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return ERROR_INTERNAL_ERROR;
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*pch = 0;
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LONG nError = RegConnectRegistry(m_pszMachineName,rhKey,&rhKey);
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*pch = _T('\\');
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return nError;
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}
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return ERROR_SUCCESS;
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}
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else
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{
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return ERROR_FILE_NOT_FOUND;
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}
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}
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return RegOpenKeyEx(m_hKey,pszSubkeyName,0,samDesired,&rhKey);
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}
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LONG CRegistryKey::OpenSubkey(REGSAM samDesired, const TCHAR *pszSubkeyName, CRegistryKey &rKey)
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{
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HKEY hKey;
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LONG nError = OpenSubkey(samDesired, pszSubkeyName, hKey);
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if (nError == ERROR_SUCCESS)
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{
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const TCHAR *pszKeyName = GetKeyName();
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size_t size = _tcslen(pszKeyName) + _tcslen(pszSubkeyName) + 1;
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TCHAR *pszSubkeyFullName = new TCHAR [size];
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if (!pszSubkeyFullName)
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{
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nError = RegCloseKey(hKey);
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ASSERT(nError == ERROR_SUCCESS);
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return ERROR_OUTOFMEMORY;
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}
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_tcscpy(pszSubkeyFullName,pszKeyName);
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_tcscat(pszSubkeyFullName,pszSubkeyName);
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HRESULT hr = rKey.Init(hKey,GetKeyName(),pszSubkeyName,samDesired);
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delete pszSubkeyName;
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if (FAILED(hr))
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{
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nError = RegCloseKey(hKey);
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ASSERT(nError == ERROR_SUCCESS);
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if (hr == (HRESULT)E_OUTOFMEMORY)
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return ERROR_OUTOFMEMORY;
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else
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return ERROR_INTERNAL_ERROR;
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}
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}
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return nError;
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}
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LONG CRegistryKey::GetSubkeyNameMaxLength(DWORD &rdwMaxSubkeyNameLength)
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{
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if (m_hKey == NULL)
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{ // root key
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rdwMaxSubkeyNameLength = 0;
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for(int i = 0; i < 7 ; i++)
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{
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size_t l = _tcslen(g_ppszHiveNames[i]);
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if (rdwMaxSubkeyNameLength < l)
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rdwMaxSubkeyNameLength = l;
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}
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rdwMaxSubkeyNameLength++; // terminating null
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return ERROR_SUCCESS;
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}
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LONG nRet;
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nRet = RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,&rdwMaxSubkeyNameLength,NULL,NULL,NULL,NULL,NULL,NULL);
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rdwMaxSubkeyNameLength = (nRet == ERROR_SUCCESS)?(rdwMaxSubkeyNameLength+1):0;
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return nRet;
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}
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void CRegistryKey::InitSubkeyEnumeration(TCHAR *pszSubkeyNameBuffer, DWORD dwBufferSize)
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{
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m_pchSubkeyNameBuffer = pszSubkeyNameBuffer;
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m_dwSubkeyNameBufferSize = dwBufferSize;
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m_dwCurrentSubKeyIndex = 0;
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}
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LONG CRegistryKey::GetNextSubkeyName(DWORD *pdwActualSize)
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{
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LONG nError;
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if (m_hKey == NULL)
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{
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if (m_dwCurrentSubKeyIndex < (DWORD)(m_pszMachineName?5:7))
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{
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DWORD dwIndex = m_pszMachineName?m_dwCurrentSubKeyIndex+2:m_dwCurrentSubKeyIndex;
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_tcsncpy(m_pchSubkeyNameBuffer,g_ppszHiveNames[dwIndex],m_dwSubkeyNameBufferSize);
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nError = ERROR_SUCCESS;
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if (pdwActualSize)
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*pdwActualSize = strlen(m_pchSubkeyNameBuffer);
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}
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else
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{
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nError = ERROR_NO_MORE_ITEMS;
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}
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}
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else
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{
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DWORD dwActualSize = m_dwSubkeyNameBufferSize;
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FILETIME ft;
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nError = RegEnumKeyEx(m_hKey,
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m_dwCurrentSubKeyIndex,
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m_pchSubkeyNameBuffer,
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&dwActualSize,
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NULL,
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NULL,
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NULL,
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&ft);
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if (pdwActualSize)
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*pdwActualSize = dwActualSize;
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}
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m_dwCurrentSubKeyIndex++;
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if (pdwActualSize)
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*pdwActualSize = strlen(m_pchSubkeyNameBuffer);
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return nError;
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}
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LONG CRegistryKey::GetSubkeyCount(DWORD &rdwSubkeyCount)
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{
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return RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,&rdwSubkeyCount,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
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}
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LONG CRegistryKey::GetMaxValueDataSize(DWORD& rdwMaxValueDataBuferSize)
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{
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return RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&rdwMaxValueDataBuferSize,NULL,NULL);
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}
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LONG CRegistryKey::GetMaxValueNameLength(DWORD& rdwMaxValueNameBuferSize)
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{
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rdwMaxValueNameBuferSize = 0;
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if (!m_hKey)
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return 0; // the root key abstraction has only subkeys (hives)
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LONG nError = RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&rdwMaxValueNameBuferSize,NULL,NULL,NULL);
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rdwMaxValueNameBuferSize++;
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return nError;
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}
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void CRegistryKey::InitValueEnumeration(TCHAR *pszValueNameBuffer,
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DWORD dwValueNameBufferSize,
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BYTE *pbValueDataBuffer,
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DWORD dwValueDataBufferSize,
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DWORD *pdwType)
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{
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m_pszValueNameBuffer = pszValueNameBuffer;
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m_dwValueNameBufferSize = dwValueNameBufferSize;
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m_pbValueDataBuffer = pbValueDataBuffer;
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m_dwValueDataBufferSize = dwValueDataBufferSize;
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m_pdwType = pdwType;
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m_dwCurrentValueIndex = 0;
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}
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// On input dwValueNameSize is size in characters of buffer pointed by pchValueNameBuffer
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// On output dwValueNameSize contains number of characters stored in buffer
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LONG CRegistryKey::GetNextValue(DWORD *pdwNameActualSize, DWORD *pdwDataActualSize)
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{
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if (!m_hKey)
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return ERROR_NO_MORE_ITEMS; // the root key abstraction has only subkeys (hives)
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DWORD dwValueNameBufferSize = m_dwValueNameBufferSize;
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DWORD dwValueDataBufferSize = m_dwValueDataBufferSize;
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LONG nError = RegEnumValue(m_hKey,
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m_dwCurrentValueIndex,
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m_pszValueNameBuffer,
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&dwValueNameBufferSize,
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NULL,
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m_pdwType,
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m_pbValueDataBuffer,
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&dwValueDataBufferSize);
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if (pdwNameActualSize)
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*pdwNameActualSize = dwValueNameBufferSize;
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if (pdwDataActualSize)
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*pdwDataActualSize = dwValueDataBufferSize;
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m_dwCurrentValueIndex++;
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return nError;
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}
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LONG CRegistryKey::GetValueCount(DWORD& rdwValueCount)
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{
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if (!m_hKey)
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return 0; // the root key abstraction has only subkeys (hives)
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return RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,&rdwValueCount,NULL,NULL,NULL,NULL);
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}
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LONG CRegistryKey::GetDefaultValue(DWORD *pdwType,
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BYTE *pbValueDataBuffer,
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DWORD dwValueDataBufferSize,
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DWORD *pdwValueDataActualSize)
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{
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DWORD dwBufferSize = dwValueDataBufferSize;
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LONG nError = RegQueryValueEx(m_hKey,NULL,NULL,pdwType,pbValueDataBuffer,&dwBufferSize);
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if (pdwValueDataActualSize && (nError == ERROR_SUCCESS))
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*pdwValueDataActualSize = dwBufferSize;
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return nError;
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}
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const TCHAR * CRegistryKey::GetValueTypeName(DWORD dwType)
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{
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switch(dwType)
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{
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case REG_NONE:
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return _T("REG_NONE");
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case REG_SZ:
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return _T("REG_SZ");
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case REG_EXPAND_SZ:
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return _T("REG_EXPAND_SZ");
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case REG_BINARY:
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return _T("REG_BINARY");
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case REG_DWORD_LITTLE_ENDIAN:
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return _T("REG_DWORD_LITTLE_ENDIAN");
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case REG_DWORD_BIG_ENDIAN:
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return _T("REG_DWORD_BIG_ENDIAN");
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case REG_LINK:
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return _T("REG_LINK");
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case REG_MULTI_SZ:
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return _T("REG_MULTI_SZ");
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case REG_RESOURCE_LIST:
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return _T("REG_RESOURCE_LIST");
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case REG_FULL_RESOURCE_DESCRIPTOR:
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return _T("REG_FULL_RESOURCE_DESCRIPTOR");
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case REG_RESOURCE_REQUIREMENTS_LIST:
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return _T("REG_RESOURCE_REQUIREMENTS_LIST");
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default:
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return _T("Unkown Type");
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}
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}
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DWORD CRegistryKey::GetValue(TCHAR *pchValueName, DWORD *pdwType, LPBYTE lpValueDataBuffer, DWORD *pdwValueDataSize)
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{
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return RegQueryValueEx(m_hKey,pchValueName,NULL,pdwType,lpValueDataBuffer,pdwValueDataSize);
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}
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LONG CRegistryKey::CreateSubkey(REGSAM samDesired,
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const TCHAR *pszSubkeyName,
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HKEY &rhKey,
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BOOL *pblnOpened,
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BOOL blnVolatile)
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{
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DWORD dwDisposition;
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LONG nError = RegCreateKeyEx(
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m_hKey,
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pszSubkeyName,
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0,
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NULL,
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blnVolatile?REG_OPTION_VOLATILE:REG_OPTION_NON_VOLATILE,
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samDesired,
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NULL,
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&rhKey,
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&dwDisposition);
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|
if ((nError == ERROR_SUCCESS)&&(pblnOpened))
|
|
*pblnOpened = dwDisposition == REG_OPENED_EXISTING_KEY;
|
|
|
|
return nError;
|
|
}
|
|
|
|
LONG CRegistryKey::GetLastWriteTime(SYSTEMTIME &st)
|
|
{
|
|
FILETIME ftLocal,ft;
|
|
LONG nError = RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&ft);
|
|
|
|
if (nError == ERROR_SUCCESS)
|
|
{
|
|
FileTimeToLocalFileTime(&ft,&ftLocal);
|
|
FileTimeToSystemTime(&ftLocal,&st);
|
|
}
|
|
|
|
return nError;
|
|
}
|
|
|
|
const TCHAR * CRegistryKey::GetLastWriteTime()
|
|
{
|
|
SYSTEMTIME st;
|
|
if (GetLastWriteTime(st) != ERROR_SUCCESS)
|
|
return _T("(Cannot get time last write time)");
|
|
|
|
static TCHAR Buffer[256];
|
|
_stprintf(Buffer,_T("%d.%d.%d %02d:%02d:%02d"),st.wDay,st.wMonth,st.wYear,st.wHour,st.wMinute,st.wSecond);
|
|
return Buffer;
|
|
}
|
|
|
|
LONG CRegistryKey::GetSecurityDescriptorLength(DWORD *pdwSecurityDescriptor)
|
|
{
|
|
return RegQueryInfoKeyW(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
|
|
NULL,NULL,pdwSecurityDescriptor,NULL);
|
|
}
|
|
|
|
LONG CRegistryKey::GetSecurityDescriptor(SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR pSecurityDescriptor, LPDWORD lpcbSecurityDescriptor)
|
|
{
|
|
return RegGetKeySecurity(m_hKey,SecurityInformation,pSecurityDescriptor,lpcbSecurityDescriptor);
|
|
}
|
|
|
|
LONG CRegistryKey::DeleteSubkey(const TCHAR *pszSubkeyName)
|
|
{
|
|
return RegDeleteKey(m_hKey,pszSubkeyName);
|
|
}
|
|
|
|
LONG CRegistryKey::SetValue(LPCTSTR pszValueName, DWORD dwType, BYTE *lpData, DWORD dwDataSize)
|
|
{
|
|
return RegSetValueEx(m_hKey,pszValueName,0,dwType,lpData,dwDataSize);
|
|
}
|
|
|
|
LONG CRegistryKey::DeleteValue(const TCHAR *pszValueName)
|
|
{
|
|
return RegDeleteValue(m_hKey,pszValueName);
|
|
}
|