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creg_registry.cpp
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creg_registry.cpp
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/* Imported, modified, and debugged by: Majdi Sobain <MajdiSobain@Gmail.com> 2016
Modifications have comments started with *** or *****
Debugging was on Dev-C++ 5.11 and MSVC++ 10.0
All credit goes to the auther <Stuart Konen> and his CodeProject article on :
http://www.codeproject.com/Articles/8953/Registry-Wrapper-Class-CRegistry
-------------------------------------------------------------------------------------
// --- FILE INFORMATION -----------------------------
CRegistry.cpp *** All of filenames and headers have been renamed
Classes: CRegEntry and CRegistry *** for better cosmetic appearance in ring source files
Author: Stuart Konen
Email: skonen@gmail.com
Date: 12/1/2004 (MM/DD/YYYY)
Version: 1.00
(-!-) If you're going to use these classes please do not
remove these comments... To use these classes, simply #include
Registry.h . In MFC you should also turn off precompiled headers
for this file, in VC++ this can be done by navigating to:
Project->Settings->Project Name->CRegistry.cpp->C/C++->Precompiled Headers
*///----------------------------------------------------
#include "creg_registry.h"
#pragma warning (disable : 4706)
/* ===================================================
* CONSTRUCTOR
* =================================================*/
CRegEntry::CRegEntry(CRegistry *Owner) {
// *** assert(Owner); // To help ignore creating an object without owner (Owner = NULL)
InitData(Owner);
}
/* ===================================================
* CRegEntry::InitData(CRegistry *Owner)
*
* Initializes the entries default values and sets the entries
* owner (CRegistry). This is only called during construction.
*/
void CRegEntry::InitData(CRegistry *Owner) {
dwDWORD = iType = 0;
lpszName = lpszStr = NULL;
__bStored = false;
__bConvertable = true;
if (Owner) __cregOwner = Owner;
}
/* *** ===================================================
* CRegEntry::SetOwner(CRegistry *Owner)
*
* This method help in transfering the entry from one owner (CRegistry) to another
* *** This method has been updated to help real transfer(copy), not just the name
*/
void CRegEntry::SetOwner(CRegistry* Owner) {
switch (iType) {
case REG_DWORD: {
DWORD dwvalue = (DWORD) __cregOwner[0][lpszName];
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName] = ( (dwvalue) ? dwvalue : 0 );
break;
}
case REG_SZ: {
LPCTSTR szvalue = __cregOwner[0][lpszName];
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName] = ( (szvalue) ? szvalue : TEXT("") );
break;
}
case REG_MULTI_SZ: {
LPCTSTR szvalue = new _TCHAR[_MAX_REG_VALUE];
__cregOwner[0][lpszName].GetMulti((LPTSTR) szvalue);
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName].SetMulti(szvalue, MultiLength());
break;
}
case REG_BINARY: {
size_t n = vBytes.size();
LPBYTE pbvalue = new BYTE[n];
__cregOwner[0][lpszName].GetBinary(pbvalue, n);
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName].SetBinary(pbvalue, n);
break;
}
case REG_EXPAND_SZ: {
LPTSTR eszvalue = new _TCHAR[_MAX_REG_VALUE];
eszvalue = __cregOwner[0][lpszName].GetExpandSZ();
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName].SetExpandSZ(eszvalue);
break;
}
case REG_QWORD: {
UINT64 value;
value = __cregOwner[0][lpszName].GetQWORD();
assert(Owner);
__cregOwner = Owner;
__cregOwner[0][lpszName].SetQWORD(value);
break;
}
}
}
/* ===================================================
* CRegEntry::ForceStr()
*
* Forces the memory allocation for the entry's string value, if it
* has not already been allocated.
*/
void CRegEntry::ForceStr() {
if (lpszStr == NULL) { lpszStr = new _TCHAR[_MAX_REG_VALUE]; lpszStr[0] = 0; }
}
/* *** ===================================================
* CRegEntry::SetName(CRegEntry* creg, LPCSTR name)
*
* *** This is newly created method to help change the name of the given entry
* *** This method refect the change directly into the registry
*/
void CRegEntry::SetName(LPCSTR name) {
// *** its very important to insure that name is not empty
// *** I will do that in the wrapper ring_vmwincreg.cpp for more control
switch (iType) {
case REG_DWORD: {
DWORD dwvalue = (DWORD) __cregOwner[0][lpszName];
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName] = ( (dwvalue) ? dwvalue : 0 );
break;
}
case REG_SZ: {
LPCTSTR value = __cregOwner[0][lpszName];
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName] = ( (value) ? value : TEXT("") );
break;
}
case REG_MULTI_SZ: {
LPCTSTR szvalue = new _TCHAR[_MAX_REG_VALUE];
__cregOwner[0][lpszName].GetMulti((LPTSTR) szvalue);
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName].SetMulti(szvalue, MultiLength());
break;
}
case REG_BINARY: {
size_t n = vBytes.size();
LPBYTE pbvalue = new BYTE[n];
__cregOwner[0][lpszName].GetBinary(pbvalue, n);
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName].SetBinary(pbvalue, n);
break;
}
case REG_EXPAND_SZ: {
LPTSTR eszvalue = new _TCHAR[_MAX_REG_VALUE];
eszvalue = __cregOwner[0][lpszName].GetExpandSZ();
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName].SetExpandSZ(eszvalue);
break;
}
case REG_QWORD: {
UINT64 value;
value = __cregOwner[0][lpszName].GetQWORD();
this->Delete();
this->lpszName = (LPTSTR) name;
__cregOwner[0][lpszName].SetQWORD(value);
break;
}
}
}
/* ===================================================
* CRegEntry::operator=(LPCTSTR lpszValue)
*
* OPERATOR: Assigns a const character array to the open
* registry value. The registry value type will be REG_SZ.
*/
CRegEntry& CRegEntry::operator=(LPCTSTR lpszValue) {
size_t nValueLen = (_tcslen(lpszValue) + 1)*sizeof(TCHAR);
assert(nValueLen <= _MAX_REG_VALUE);
ForceStr(); iType = REG_SZ;
_tcsncpy(lpszStr, lpszValue, nValueLen > _MAX_REG_VALUE ? _MAX_REG_VALUE : nValueLen);
REGENTRY_ALLOWCONV(true)
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID( KEY_SET_VALUE ))
RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_SZ, (LPBYTE)lpszValue, nValueLen);
REGENTRY_TRYCLOSE;
__bStored = true;
return *this;
}
/* ===================================================
* CRegEntry::operator=(LPDWORD lpdwValue)
*
* OPERATOR: Assigns a DWORD to the open registry value.
* The registry value type will be REG_DWORD.
*/
CRegEntry& CRegEntry::operator=(LPDWORD lpdwValue) {
iType = REG_DWORD;
memcpy(&dwDWORD, lpdwValue, sizeof( DWORD ));
REGENTRY_ALLOWCONV(true)
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID( KEY_SET_VALUE ))
RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_DWORD, (LPBYTE)&dwDWORD, sizeof( DWORD ));
REGENTRY_TRYCLOSE;
__bStored = true;
return *this;
}
/* ===================================================
* CRegEntry::operator=(CRegEntry& cregValue)
*
* OPERATOR: Copys value information from the specified
* registry entry (CRegEntry) into this entry.
*/
CRegEntry& CRegEntry::operator=(CRegEntry& cregValue) {
if (this == &cregValue)
return *this;
if (lpszName == NULL) {
size_t nNameLen = _tcslen(cregValue.lpszName) + 1;
lpszName = new _TCHAR[nNameLen]; _tcsncpy(lpszName, cregValue.lpszName, nNameLen);
}
switch ((iType = cregValue.iType)) {
case REG_SZ:
return (*this = (ForceStr(), cregValue.lpszStr));
break;
case REG_MULTI_SZ: {
LPTSTR lpszBuf = new _TCHAR[_MAX_REG_VALUE];
SetMulti(cregValue.GetMulti(lpszBuf), cregValue.MultiLength());
delete [] lpszBuf; return *this;
}
break;
case REG_BINARY: {
size_t n = cregValue.vBytes.size(); LPBYTE buf = new BYTE[n];
cregValue.GetBinary(buf, n); SetBinary(buf, n);
delete [] buf; return *this;
}
break;
case REG_EXPAND_SZ: {
SetExpandSZ(cregValue.GetExpandSZ());
return *this;
}
break;
case REG_QWORD: {
SetQWORD(cregValue.GetQWORD());
return *this;
}
break;
default:
return (*this = cregValue.dwDWORD);
}
}
/* ===================================================
* CRegEntry::operator LPTSTR()
*
* OPERATOR: Converts (if required) and returns the open registry
* value as a null terminated string.
*/
CRegEntry::operator LPTSTR() {
/* If caching is disabled, refresh the entries */
REGENTRY_REFRESH_IF_NOCACHE
assert(__bConvertable); // Check for conversion implementation
ForceStr();
switch (iType) {
case REG_DWORD:
_stprintf(lpszStr, _T("%lu"), dwDWORD);
break;
case REG_MULTI_SZ:
GetMulti(lpszStr);
break;
case REG_BINARY: {
_tcsncpy(lpszStr, (const _TCHAR*)&vBytes[0], vBytes.size());
lpszStr[vBytes.size()] = 0;
}
break;
case REG_EXPAND_SZ:
GetExpandSZ(true); // lpszStr will be prepared and then returned
break;
case REG_QWORD:
// Return lpszStr as it actually contains the value
break;
}
return lpszStr;
}
/* ===================================================
* CRegEntry::operator DWORD()
*
* OPERATOR: Converts (if required) and returns the open registry
* value as an unsigned 32-bit integer (unsigned long).
*/
CRegEntry::operator DWORD() {
/* If caching is disabled, refresh the entries */
REGENTRY_REFRESH_IF_NOCACHE
assert(__bConvertable); // Check for conversion implementation
REGENTRY_BINARYTOSTRING
return (REGENTRY_SZ_SAFE ? _tcstoul(lpszStr, NULL, NULL) : dwDWORD);
}
/* ===================================================
* *** newly added to substitute the automatically created one by
* REGENTRY_CONV_NUMERIC_STORAGETYPE MACRO
*
* OPERATOR: Assigns a double to the open registry value.
* The registry value type will be REG_SZ.
*/
CRegEntry& CRegEntry::operator=(double Value) {
_R_BUF(23); // *** 23 is because the upper limit of numbers in ring is 15 digit or point {pluse} .000000 of
// *** _stprintf_s in case all of 15 are numbers {plus} terminal 0 (Numeric Overflow! Error)
_stprintf_s(buffer, (23 * sizeof(TCHAR)) ,_T("%f"), Value);
for (int i = ( ( _tcslen(buffer) -1 ) * sizeof(TCHAR) ); i >= 0; i-- ) {
if ( !strcmp( &buffer[(i-1)] , (LPCTSTR) ".0" ) ) {
break; // *** This peice of code made to save such 18.000000 number to be just 18.0
}
if ( !strcmp( &buffer[i], (LPCTSTR) "0" ) ) {
buffer[i] = 0;
buffer[i+1] = -2;
} else {
/* if ( !strcmp( &buffer[i] , (LPCTSTR) "." ) ) {
buffer[i] = 0;
buffer[i+1] = -2; // *** This peice of code made to save such 18.000000 number to be just 18
} */
break;
}
}
return (*this = (LPCTSTR)(buffer));
}
/* ===================================================
* *** newly added to substitute the automatically created one by
* REGENTRY_CONV_NUMERIC_STORAGETYPE MACRO
*
* CRegEntry::operator double()
*
* OPERATOR: Converts (if required) and returns the open registry
* value as a double.
*/
CRegEntry::operator double() {
REGENTRY_BINARYTOSTRING
return (REGENTRY_SZ_SAFE ? _tcstod(lpszStr, NULL) :(iType == REG_DWORD ? (double)dwDWORD : 0));
}
/* ===================================================
* CRegEntry::GetBinary(LPBYTE lpbValue, size_t nLen)
*
* Sets the registry value to a binary value (REG_BINARY)
*
* Important Params:
*
* LPBYTE lpbDest: Pointer to the byte array to store *
* size_t nLen: Elements contained within the byte array.
*/
void CRegEntry::SetBinary(LPBYTE lpbValue, size_t nLen) {
// *** if (!nLen) { assert(nLen); return; } // needed to be deactivated to create empty binary value
iType = REG_BINARY;
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID ( KEY_SET_VALUE ) )
RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_BINARY, lpbValue, nLen);
REGENTRY_TRYCLOSE;
__bStored = true;
if (vBytes.size() < nLen) vBytes.reserve(nLen);
vBytes.clear();
// *** change vBytes check to avoid fill the bytes list if there is no value in reality
while (vBytes.size() < nLen) { vBytes.push_back(lpbValue[vBytes.size()]); }
}
/* ===================================================
* *** updated Exists function to query even those values of unkown
* types to this class
*
* bool CRegEntry::Exists()
*
* Checks whether the value entry exists or not.
*
* Note: This function updated to return the result of RegQueryValueEx
*/
DWORD CRegEntry::Exists () {
DWORD Res;
assert( REGENTRY_KEYVALID ( KEY_QUERY_VALUE ) );
/* This piece of code used if we want to return ONLY (True) or (False)
if ( RegQueryValueEx(__cregOwner->hKey, lpszName, NULL, NULL, NULL, NULL); == ERROR_SUCCESS ) {
REGENTRY_TRYCLOSE ;
return true;
} else {
REGENTRY_TRYCLOSE ;
return false;
} */
Res = RegQueryValueEx(__cregOwner->hKey, lpszName, NULL, NULL, NULL, NULL);
__cregOwner->AutoClose();
return Res;
}
/* ===================================================
* *** unsigned char CRegEntry::Type()
*
* newly added function that returns the type of the entry as a number.
*
* Note: This function if succeed will return the type but if not it will return the error code Summated to 12
*/
DWORD CRegEntry::Type() {
LONG res;
DWORD type;
assert( REGENTRY_KEYVALID ( KEY_QUERY_VALUE ) );
res = RegQueryValueEx(__cregOwner->hKey, lpszName, NULL, &type, NULL, NULL);
REGENTRY_TRYCLOSE ;
if ( res == ERROR_SUCCESS ) {
return type;
} else {
return res + 12;
}
}
/* ===================================================
* CRegEntry::GetBinary(LPBYTE lpbDest, size_t nMaxLen)
*
* Gets the binary value of a value stored as REG_BINARY
*
* Important Params:
*
* LPBYTE lpbDest: Pointer to the byte array to fill
* size_t nMaxLen: The maximum bytes to copy to lpbDest
*
* Notes: This will only work for values that were saved
* using the binary registry type specification (REG_BINARY)
*/
void CRegEntry::GetBinary(LPBYTE lpbDest, size_t nMaxLen) {
assert(IsBinary()); // Must be stored as Binary
REGENTRY_REFRESH_IF_NOCACHE
/* *** adding this check to ignore retrieving data if nMazLen is 0 */
if (nMaxLen > 0)
if ((size_t)(&vBytes.back() - &vBytes.at(0)+1) == vBytes.size()*sizeof(BYTE))
memcpy(lpbDest, (LPBYTE)&vBytes.at(0), vBytes.size() > nMaxLen ? nMaxLen : vBytes.size());
else
for (size_t n=0; n < vBytes.size() && n < nMaxLen; n++)
lpbDest[n] = vBytes[n];
}
/* ===================================================
* CRegEntry::GetBinaryLength()
*
* Returns the size of the binary value in bytes.
*/
size_t CRegEntry::GetBinaryLength() {
assert(IsBinary());
REGENTRY_REFRESH_IF_NOCACHE
return vBytes.size();
}
/* ===================================================
* CRegEntry::SetMulti(LPCTSTR lpszValue, size_t nLen, bool bInternal)
*
* Stores an array of null-terminated string, terminated by two null characters.
* For Example: First String\0Second\Third\0\0
*
* Important Params:
*
* LPCTSTR lpszValue: The string consisting of the null-terminated string array
* size_t nLen: The number of characters in the string, including null characters
*
* Note: For inserting individual null-terminated strings into the array,
* use MultiAdd or MultiSetAt.
*/
void CRegEntry::SetMulti(LPCTSTR lpszValue, size_t nLen, bool bInternal) {
size_t nCur = 0, nPrev = 0, nShortLen = nLen;
/* When this is internal, there is no need to repopulate the vector. */
if (bInternal) goto SkipNoInternal;
iType = REG_MULTI_SZ; vMultiString.clear();
if (nLen <= 2) goto SkipNoInternal; // The string is empty : \0\0
if (*(lpszValue + nShortLen-1) == '\0')
nShortLen--;
/* Populate a vector with each string part for easy and quick access */
while ((nCur = (int)(_tcschr(lpszValue+nPrev, '\0')-lpszValue)) < nShortLen) {
vMultiString.push_back(lpszValue+nPrev);
nPrev = nCur+1;
}
SkipNoInternal:
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID ( KEY_SET_VALUE ) )
RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_MULTI_SZ, (LPBYTE)lpszValue, nLen*sizeof(TCHAR));
REGENTRY_TRYCLOSE;
__bStored = true;
}
/* ===================================================
* CRegEntry::MultiLength(bool bInternal = false)
*
* Returns the number of characters (including null) stored
* in the full string. Don't confuse this with MultiCount()
* which returns the number of strings stored in the array.
*/
size_t CRegEntry::MultiLength(bool bInternal /*false*/) {
/*** nLen Definition seperation from for loop as it was like this:
*** for (size_t nLen = 0, nIndex = 0; nIndex < vMultiString.size(); nIndex++) */
size_t nLen = 0;
//Ensure correct values with no cache
if (!bInternal) REGENTRY_REFRESH_IF_NOCACHE
for (size_t nIndex = 0; nIndex < vMultiString.size(); nIndex++)
nLen += vMultiString[nIndex].length() + 1;
return nLen ? nLen+1 : 0;
}
/* ===================================================
* CRegEntry::MultiCount()
*
* Returns the number of strings located within the array.
*/
size_t CRegEntry::MultiCount() {
// Ensure correct values with no cache
REGENTRY_REFRESH_IF_NOCACHE
return vMultiString.size();
}
/* ===================================================
* CRegEntry::MultiRemoveAt(size_t nIndex)
*
* Simply removes the string stored at the zero-based index of nIndex
*/
void CRegEntry::MultiRemoveAt(size_t nIndex) {
// Ensure correct values with no cache
REGENTRY_REFRESH_IF_NOCACHE
assert(nIndex < vMultiString.size());
vMultiString.erase(vMultiString.begin()+nIndex);
// Update the registry
REGENTRY_UPDATE_MULTISTRING
}
/* ===================================================
* CRegEntry::MultiSetAt(size_t nIndex, LPCTSTR lpszVal)
*
* Alters the value of a string in the array located at
* the 0 based index of nIndex. The new value is lpszVal.
* The index must be within the bounds of the array, with
* the exception of being == the number of elements in
* which case calling this function is equal to calling
* MultiAdd.
*/
void CRegEntry::MultiSetAt(size_t nIndex, LPCTSTR lpszVal) {
// Ensure correct values with no cache
REGENTRY_REFRESH_IF_NOCACHE
// *** assert(nIndex > vMultiString.size()) ;
assert(nIndex <= vMultiString.size()) ;
iType = REG_MULTI_SZ;
// Add a new string element if == elements+1
if (nIndex == vMultiString.size())
vMultiString.push_back(lpszVal);
else
vMultiString[nIndex] = lpszVal;
// Update the registry
REGENTRY_UPDATE_MULTISTRING
}
/* ===================================================
* CRegEntry::MultiGetAt(size_t nIndex)
*
* Returns a constant pointer to the string located in
* the array at the zero-based index of nIndex. Note that
* the return value is not an STL string.
*/
LPCTSTR CRegEntry::MultiGetAt(size_t nIndex) {
// Ensure correct values with no cache
REGENTRY_REFRESH_IF_NOCACHE
assert(nIndex < vMultiString.size() && IsMultiString());
return vMultiString[nIndex].c_str();
}
/* ===================================================
* CRegEntry::GetMulti(LPCTSTR lpszDest, size_t nMax)
*
* Copys the entire null-terminated array string to lpszDest.
* For Example: First String\0Second\Third\0\0
*
* Important Params:
*
* LPCTSTR lpszDest: Pointer to the character array to fill.
* size_t nMax: The maximum characters to read, including null-characters
*
* Note: By default nMax is set to _MAX_REG_VALUE, you can retrieve
* the length of the entire string by calling MultiLength().
*/
LPTSTR CRegEntry::GetMulti(LPTSTR lpszDest, size_t nMax) {
LPCTSTR strBuf;
size_t nCur = 0, nLen = 0;
if (!lpszDest) lpszDest = new TCHAR[_MAX_REG_VALUE]; // *** added to help call this function without params
assert(IsMultiString());
// *** if (!IsMultiString()) return &(lpszDest[0] = 0);
/* If caching is disabled, refresh the entries */
REGENTRY_REFRESH_IF_NOCACHE
for (size_t n=0; n < vMultiString.size() && nCur < nMax; n++) {
strBuf = vMultiString[n].c_str();
nLen = vMultiString[n].length()+1;
_tcsncpy(lpszDest + nCur, strBuf, (nLen >= nMax ? (nMax-nCur) : nLen) * sizeof(_TCHAR));
nCur += nLen;
}
/* Add the final null termination */
*(lpszDest + nCur) = 0;
return lpszDest;
}
/* ===================================================
* *** newly added function
*
* CRegEntry::GetExpandSZ(bool Expandable)
*
* retrive the value (NULL terminated string) of REG_EXPAND_SZ type directly from registry
*
*/
LPTSTR CRegEntry::GetExpandSZ(bool Expandable) {
assert(IsExpandSZ());
REGENTRY_REFRESH_IF_NOCACHE
if (Expandable) {
HANDLE dToken;
LPTSTR tmpStr = new TCHAR[(_tcslen(lpszStr) *sizeof(TCHAR))];
DWORD vSize = _MAX_REG_VALUE * 16;
_tcscpy(tmpStr, lpszStr);
lpszStr = new TCHAR[vSize];
ExpandEnvironmentStrings(tmpStr, lpszStr, vSize);
} else {
__cregOwner->Refresh(); // Refresh lpszStr if it contains the expanded form
}
REGENTRY_TRYCLOSE ;
return lpszStr;
}
/* ===================================================
* *** newly added function
*
* CRegEntry::SetExpandSZ(LPTSTR value)
*
* set a value (NULL terminated string) of REG_EXPAND_SZ type directly to registry
*
* Note : this function also retreive the important information about the value in the time of loading
*/
DWORD CRegEntry::SetExpandSZ(LPTSTR value) {
DWORD svalue = ( _tcslen(value) + 1 ) * sizeof(TCHAR);
assert(svalue <= _MAX_REG_VALUE);
lpszStr = new TCHAR[_MAX_REG_VALUE];
_tcscpy(lpszStr, value);
iType = REG_EXPAND_SZ;
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID( KEY_SET_VALUE )) {
svalue = RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_EXPAND_SZ, (LPBYTE) value, svalue);
}
__bStored = true;
REGENTRY_TRYCLOSE;
return svalue;
}
/* ===================================================
* *** newly added function
*
* CRegEntry::SetQWORD(bool Expandable)
*
* set a value of REG_QWORD (unsigned long long) type directly to registry
*
*/
DWORD CRegEntry::SetQWORD(UINT64 value) {
lpszStr = new TCHAR[21]; // limit of largest value of QWORD range (20) + NULL termination
DWORD lRes = 0;
iType = REG_QWORD;
_stprintf(lpszStr, _T("%llu"), value);
if (REGENTRY_NOTLOADING && REGENTRY_KEYVALID( KEY_SET_VALUE )) {
lRes = RegSetValueEx(__cregOwner->hKey, lpszName, NULL, REG_QWORD, (LPBYTE) &value, sizeof ( UINT64 ));
}
__bStored = true;
REGENTRY_TRYCLOSE;
return lRes;
}
/* ===================================================
* *** newly added function
*
* UINT64 CRegEntry::GetQWORD()
*
* retrive the value of REG_QWORD type directly from registry
*
*/
UINT64 CRegEntry::GetQWORD() {
UINT64 value = 0;
DWORD size = sizeof(UINT64);
assert(IsQWORD());
REGENTRY_REFRESH_IF_NOCACHE
value = _tcstoui64(lpszStr, NULL, 10);
REGENTRY_TRYCLOSE ;
return value;
}
/* ===================================================
* CRegEntry::Delete()
*
* Removes the value from the open registry key, returns
* true on success and false on failure.
*/
bool CRegEntry::Delete() {
__bStored = false;
if (REGENTRY_KEYVALID (KEY_SET_VALUE) ) {
RegDeleteValue(__cregOwner->hKey, lpszName) ;
__cregOwner->AutoClose();
return true;
}
return false;
}
// BEGIN CREGISTRY FUNCTIONS
/* ===================================================
* CRegistry CONSTRUCTOR
*
* Flags:
*
* CREG_CREATE (default) - When attempting to open a key that
* does not exist, create it.
*
* CREG_AUTOOPEN - Close the open registry key handle
* after an action has been performed with it. Opens the
* key whenever another action needs to be performed.
*
* ===================================================*/
CRegistry::CRegistry(DWORD flags,bool Acc64Tree) {
InitData();
Enable64Tree = Acc64Tree;
__dwFlags = flags;
}
/* ===================================================
* CRegistry::InitData()
* Initializes the variables related to key locations to NULL.
*/
void CRegistry::InitData() {
_lpszSubKey = NULL;
_hRootKey = hKey = NULL;
}
/* ===================================================
* CRegistry::operator []( LPCTSTR lpszVName)
*
* OPERATOR: This will return the Registry Entry (CRegEntry) associated
* with the given value name. If the value name does not exist in
* the open key, it will be created.
*
* Note: If the value name is created, it is only stored in the actual
* registry when the entry's value has been set.
*/
CRegEntry& CRegistry::operator []( LPCTSTR lpszVName) {
size_t nValueNameLen = _tcslen(lpszVName) + 1;
assert(nValueNameLen <= _MAX_REG_VALUE);
for (int i = _reEntries.size()-1; i >=0; i--) {
if (!_tcsicmp(lpszVName, _reEntries[i]->lpszName))
return *_reEntries[i];
}
/* Entry not found */
_reEntries.push_back(new CRegEntry(this));
_reEntries.back()->lpszName = new _TCHAR[nValueNameLen];
_tcsncpy(_reEntries.back()->lpszName, lpszVName, (nValueNameLen > _MAX_REG_VALUE ? _MAX_REG_VALUE : nValueNameLen));
return *_reEntries.back();
}