Sweden-Number/programs/regedit/edit.c

602 lines
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/*
* Registry editing UI functions.
*
* Copyright (C) 2003 Dimitrie O. Paun
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
#include <windows.h>
#include <tchar.h>
#include <commctrl.h>
#include <commdlg.h>
#include <cderr.h>
#include <stdlib.h>
#include <stdio.h>
#include <shellapi.h>
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#include <shlwapi.h>
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#include "wine/unicode.h"
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#include "main.h"
#include "regproc.h"
#include "resource.h"
static const WCHAR* editValueName;
static WCHAR* stringValueData;
static BOOL isDecimal;
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struct edit_params
{
HKEY hKey;
LPCWSTR lpszValueName;
void *pData;
LONG cbData;
};
static INT vmessagebox(HWND hwnd, INT buttons, INT titleId, INT resId, va_list ap)
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{
static const WCHAR errorW[] = {'E','r','r','o','r',0};
static const WCHAR unknownW[] = {'U','n','k','n','o','w','n',' ','e','r','r','o','r',' ','s','t','r','i','n','g','!',0};
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WCHAR title[256];
WCHAR errfmt[1024];
WCHAR errstr[1024];
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if (!LoadStringW(hInst, titleId, title, COUNT_OF(title))) lstrcpyW(title, errorW);
if (!LoadStringW(hInst, resId, errfmt, COUNT_OF(errfmt))) lstrcpyW(errfmt, unknownW);
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vsnprintfW(errstr, COUNT_OF(errstr), errfmt, ap);
return MessageBoxW(hwnd, errstr, title, buttons);
}
static INT messagebox(HWND hwnd, INT buttons, INT titleId, INT resId, ...)
{
va_list ap;
INT result;
va_start(ap, resId);
result = vmessagebox(hwnd, buttons, titleId, resId, ap);
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va_end(ap);
return result;
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}
void error(HWND hwnd, INT resId, ...)
{
va_list ap;
va_start(ap, resId);
vmessagebox(hwnd, MB_OK | MB_ICONERROR, IDS_ERROR, resId, ap);
va_end(ap);
}
static void error_code_messagebox(HWND hwnd, DWORD error_code)
{
LPWSTR lpMsgBuf;
DWORD status;
WCHAR title[256];
static WCHAR fallback[] = {'E','r','r','o','r',' ','d','i','s','p','l','a','y','i','n','g',' ','e','r','r','o','r',' ','m','e','s','s','a','g','e','.','\n',0};
static const WCHAR title_error[] = {'E','r','r','o','r',0};
if (!LoadStringW(hInst, IDS_ERROR, title, COUNT_OF(title)))
lstrcpyW(title, title_error);
status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error_code, 0, (LPWSTR)&lpMsgBuf, 0, NULL);
if (!status)
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lpMsgBuf = fallback;
MessageBoxW(hwnd, lpMsgBuf, title, MB_OK | MB_ICONERROR);
if (lpMsgBuf != fallback)
LocalFree(lpMsgBuf);
}
static BOOL change_dword_base(HWND hwndDlg, BOOL toHex)
{
TCHAR buf[128];
DWORD val;
if (!GetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf, COUNT_OF(buf))) return FALSE;
if (!_stscanf(buf, toHex ? "%u" : "%x", &val)) return FALSE;
wsprintf(buf, toHex ? "%x" : "%u", val);
return SetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf);
}
static INT_PTR CALLBACK modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
WCHAR* valueData;
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HWND hwndValue;
int len;
switch(uMsg) {
case WM_INITDIALOG:
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, editValueName);
SetDlgItemTextW(hwndDlg, IDC_VALUE_DATA, stringValueData);
CheckRadioButton(hwndDlg, IDC_DWORD_HEX, IDC_DWORD_DEC, isDecimal ? IDC_DWORD_DEC : IDC_DWORD_HEX);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_DWORD_HEX:
if (isDecimal && change_dword_base(hwndDlg, TRUE)) isDecimal = FALSE;
break;
case IDC_DWORD_DEC:
if (!isDecimal && change_dword_base(hwndDlg, FALSE)) isDecimal = TRUE;
break;
case IDOK:
if ((hwndValue = GetDlgItem(hwndDlg, IDC_VALUE_DATA))) {
len = GetWindowTextLengthW(hwndValue);
if ((valueData = HeapReAlloc(GetProcessHeap(), 0, stringValueData, (len + 1) * sizeof(WCHAR)))) {
stringValueData = valueData;
if (!GetWindowTextW(hwndValue, stringValueData, len + 1))
*stringValueData = 0;
}
}
/* Fall through */
case IDCANCEL:
EndDialog(hwndDlg, wParam);
return TRUE;
}
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}
return FALSE;
}
static INT_PTR CALLBACK bin_modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
struct edit_params *params;
LPBYTE pData;
LONG cbData;
LONG lRet;
switch(uMsg) {
case WM_INITDIALOG:
params = (struct edit_params *)lParam;
SetWindowLongPtr(hwndDlg, DWLP_USER, (ULONG_PTR)params);
if (params->lpszValueName)
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, params->lpszValueName);
else
SetDlgItemTextW(hwndDlg, IDC_VALUE_NAME, g_pszDefaultValueName);
SendDlgItemMessage(hwndDlg, IDC_VALUE_DATA, HEM_SETDATA, (WPARAM)params->cbData, (LPARAM)params->pData);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
params = (struct edit_params *)GetWindowLongPtr(hwndDlg, DWLP_USER);
cbData = SendDlgItemMessage(hwndDlg, IDC_VALUE_DATA, HEM_GETDATA, 0, 0);
pData = HeapAlloc(GetProcessHeap(), 0, cbData);
if (pData)
{
SendDlgItemMessageW(hwndDlg, IDC_VALUE_DATA, HEM_GETDATA, (WPARAM)cbData, (LPARAM)pData);
lRet = RegSetValueExW(params->hKey, params->lpszValueName, 0, REG_BINARY, pData, cbData);
}
else
lRet = ERROR_OUTOFMEMORY;
if (lRet == ERROR_SUCCESS)
EndDialog(hwndDlg, 1);
else
{
error_code_messagebox(hwndDlg, lRet);
EndDialog(hwndDlg, 0);
}
return TRUE;
case IDCANCEL:
EndDialog(hwndDlg, 0);
return TRUE;
}
}
return FALSE;
}
static BOOL check_value(HWND hwnd, HKEY hKey, LPCWSTR valueName)
{
WCHAR empty = 0;
LONG lRet = RegQueryValueExW(hKey, valueName ? valueName : &empty, 0, NULL, 0, NULL);
if(lRet != ERROR_SUCCESS) return FALSE;
return TRUE;
}
static LPWSTR read_value(HWND hwnd, HKEY hKey, LPCWSTR valueName, DWORD *lpType, LONG *len)
{
DWORD valueDataLen;
LPWSTR buffer = NULL;
LONG lRet;
WCHAR empty = 0;
lRet = RegQueryValueExW(hKey, valueName ? valueName : &empty, 0, lpType, 0, &valueDataLen);
if (lRet != ERROR_SUCCESS) {
if (lRet == ERROR_FILE_NOT_FOUND && !valueName) { /* no default value here, make it up */
if (len) *len = 1;
if (lpType) *lpType = REG_SZ;
buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR));
*buffer = '\0';
return buffer;
}
error(hwnd, IDS_BAD_VALUE, valueName);
goto done;
}
if ( *lpType == REG_DWORD ) valueDataLen = sizeof(DWORD);
if (!(buffer = HeapAlloc(GetProcessHeap(), 0, valueDataLen+sizeof(WCHAR)))) {
error(hwnd, IDS_TOO_BIG_VALUE, valueDataLen);
goto done;
}
lRet = RegQueryValueExW(hKey, valueName, 0, 0, (LPBYTE)buffer, &valueDataLen);
if (lRet != ERROR_SUCCESS) {
error(hwnd, IDS_BAD_VALUE, valueName);
goto done;
}
if((valueDataLen % sizeof(WCHAR)) == 0)
buffer[valueDataLen / sizeof(WCHAR)] = 0;
if(len) *len = valueDataLen;
return buffer;
done:
HeapFree(GetProcessHeap(), 0, buffer);
return NULL;
}
BOOL CreateKey(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPWSTR keyName)
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{
BOOL result = FALSE;
LONG lRet = ERROR_SUCCESS;
HKEY retKey = NULL;
WCHAR newKey[MAX_NEW_KEY_LEN - 4];
int keyNum;
HKEY hKey;
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lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_CREATE_SUB_KEY, &hKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
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if (!LoadStringW(GetModuleHandle(0), IDS_NEWKEY, newKey, COUNT_OF(newKey))) goto done;
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/* try to find out a name for the newly create key (max 100 times) */
for (keyNum = 1; keyNum < 100; keyNum++) {
wsprintfW(keyName, newKey, keyNum);
lRet = RegOpenKeyW(hKey, keyName, &retKey);
if (lRet != ERROR_SUCCESS) break;
RegCloseKey(retKey);
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}
if (lRet == ERROR_SUCCESS) goto done;
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lRet = RegCreateKeyW(hKey, keyName, &retKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
result = TRUE;
done:
RegCloseKey(retKey);
return result;
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}
BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName)
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{
BOOL result = FALSE;
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DWORD type;
LONG lRet;
HKEY hKey;
LONG len;
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lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
return FALSE;
}
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editValueName = valueName ? valueName : g_pszDefaultValueName;
if(!(stringValueData = read_value(hwnd, hKey, valueName, &type, &len))) goto done;
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if ( (type == REG_SZ) || (type == REG_EXPAND_SZ) ) {
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_STRING), hwnd, modify_dlgproc) == IDOK) {
lRet = RegSetValueExW(hKey, valueName, 0, type, (LPBYTE)stringValueData, (lstrlenW(stringValueData) + 1) * sizeof(WCHAR));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, lRet);
}
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} else if ( type == REG_DWORD ) {
const WCHAR u[] = {'%','u',0};
const WCHAR x[] = {'%','x',0};
wsprintfW(stringValueData, isDecimal ? u : x, *((DWORD*)stringValueData));
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_DWORD), hwnd, modify_dlgproc) == IDOK) {
DWORD val;
CHAR* valueA = GetMultiByteString(stringValueData);
if (_stscanf(valueA, isDecimal ? "%u" : "%x", &val)) {
lRet = RegSetValueExW(hKey, valueName, 0, type, (BYTE*)&val, sizeof(val));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, lRet);
}
HeapFree(GetProcessHeap(), 0, valueA);
}
} else if ( type == REG_BINARY ) {
struct edit_params params;
params.hKey = hKey;
params.lpszValueName = valueName;
params.pData = stringValueData;
params.cbData = len;
result = DialogBoxParam(NULL, MAKEINTRESOURCE(IDD_EDIT_BINARY), hwnd,
bin_modify_dlgproc, (LPARAM)&params);
} else if ( type == REG_MULTI_SZ ) {
WCHAR char1 = '\r', char2 = '\n';
WCHAR *tmpValueData = NULL;
INT i, j, count;
for ( i = 0, count = 0; i < len - 1; i++)
if ( !stringValueData[i] && stringValueData[i + 1] )
count++;
tmpValueData = HeapAlloc( GetProcessHeap(), 0, ( len + count ) * sizeof(WCHAR));
if ( !tmpValueData ) goto done;
for ( i = 0, j = 0; i < len - 1; i++)
{
if ( !stringValueData[i] && stringValueData[i + 1])
{
tmpValueData[j++] = char1;
tmpValueData[j++] = char2;
}
else
tmpValueData[j++] = stringValueData[i];
}
tmpValueData[j] = stringValueData[i];
HeapFree( GetProcessHeap(), 0, stringValueData);
stringValueData = tmpValueData;
tmpValueData = NULL;
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_MULTI_STRING), hwnd, modify_dlgproc) == IDOK)
{
len = lstrlenW( stringValueData );
tmpValueData = HeapAlloc( GetProcessHeap(), 0, (len + 2) * sizeof(WCHAR));
if ( !tmpValueData ) goto done;
for ( i = 0, j = 0; i < len - 1; i++)
{
if ( stringValueData[i] == char1 && stringValueData[i + 1] == char2)
{
if ( tmpValueData[j - 1] != 0)
tmpValueData[j++] = 0;
i++;
}
else
tmpValueData[j++] = stringValueData[i];
}
tmpValueData[j++] = stringValueData[i];
tmpValueData[j++] = 0;
tmpValueData[j++] = 0;
HeapFree( GetProcessHeap(), 0, stringValueData);
stringValueData = tmpValueData;
lRet = RegSetValueExW(hKey, valueName, 0, type, (LPBYTE)stringValueData, j * sizeof(WCHAR));
if (lRet == ERROR_SUCCESS) result = TRUE;
else error_code_messagebox(hwnd, lRet);
}
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} else {
error(hwnd, IDS_UNSUPPORTED_TYPE, type);
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}
done:
HeapFree(GetProcessHeap(), 0, stringValueData);
stringValueData = NULL;
RegCloseKey(hKey);
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return result;
}
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BOOL DeleteKey(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath)
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{
BOOL result = FALSE;
LONG lRet;
HKEY hKey;
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lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ|KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
return FALSE;
}
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if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, keyPath) != IDYES)
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goto done;
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lRet = SHDeleteKeyW(hKeyRoot, keyPath);
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if (lRet != ERROR_SUCCESS) {
error(hwnd, IDS_BAD_KEY, keyPath);
goto done;
}
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
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BOOL DeleteValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName, BOOL showMessageBox)
{
BOOL result = FALSE;
LONG lRet;
HKEY hKey;
LPCWSTR visibleValueName = valueName ? valueName : g_pszDefaultValueName;
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WCHAR empty = 0;
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lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
if (showMessageBox)
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{
if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, visibleValueName) != IDYES)
goto done;
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}
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lRet = RegDeleteValueW(hKey, valueName ? valueName : &empty);
if (lRet != ERROR_SUCCESS && valueName) {
error(hwnd, IDS_BAD_VALUE, valueName);
}
if (lRet != ERROR_SUCCESS) goto done;
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL CreateValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, DWORD valueType, LPWSTR valueName)
{
LONG lRet = ERROR_SUCCESS;
WCHAR newValue[256];
DWORD valueDword = 0;
BOOL result = FALSE;
int valueNum;
HKEY hKey;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
return FALSE;
}
if (!LoadStringW(GetModuleHandle(0), IDS_NEWVALUE, newValue, COUNT_OF(newValue))) goto done;
/* try to find out a name for the newly create key (max 100 times) */
for (valueNum = 1; valueNum < 100; valueNum++) {
wsprintfW(valueName, newValue, valueNum);
lRet = RegQueryValueExW(hKey, valueName, 0, 0, 0, 0);
if (lRet == ERROR_FILE_NOT_FOUND) break;
}
if (lRet != ERROR_FILE_NOT_FOUND) {
error_code_messagebox(hwnd, lRet);
goto done;
}
lRet = RegSetValueExW(hKey, valueName, 0, valueType, (BYTE*)&valueDword, sizeof(DWORD));
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
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BOOL RenameValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR oldName, LPCWSTR newName)
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{
LPWSTR value = NULL;
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DWORD type;
LONG len, lRet;
BOOL result = FALSE;
HKEY hKey;
if (!oldName) return FALSE;
if (!newName) return FALSE;
lRet = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
return FALSE;
}
/* check if value already exists */
if (check_value(hwnd, hKey, newName)) goto done;
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value = read_value(hwnd, hKey, oldName, &type, &len);
if(!value) goto done;
lRet = RegSetValueExW(hKey, newName, 0, type, (BYTE*)value, len);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
lRet = RegDeleteValueW(hKey, oldName);
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if (lRet != ERROR_SUCCESS) {
RegDeleteValueW(hKey, newName);
error_code_messagebox(hwnd, lRet);
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goto done;
}
result = TRUE;
done:
HeapFree(GetProcessHeap(), 0, value);
RegCloseKey(hKey);
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return result;
}
BOOL RenameKey(HWND hwnd, HKEY hRootKey, LPCWSTR keyPath, LPCWSTR newName)
{
LPWSTR parentPath = 0;
LPCWSTR srcSubKey = 0;
HKEY parentKey = 0;
HKEY destKey = 0;
BOOL result = FALSE;
LONG lRet;
DWORD disposition;
if (!keyPath || !newName) return FALSE;
if (!strrchrW(keyPath, '\\')) {
parentKey = hRootKey;
srcSubKey = keyPath;
} else {
LPWSTR srcSubKey_copy;
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parentPath = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(keyPath)+1)*sizeof(WCHAR));
lstrcpyW(parentPath, keyPath);
srcSubKey_copy = strrchrW(parentPath, '\\');
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*srcSubKey_copy = 0;
srcSubKey = srcSubKey_copy + 1;
lRet = RegOpenKeyExW(hRootKey, parentPath, 0, KEY_READ | KEY_CREATE_SUB_KEY, &parentKey);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
}
/* The following fails if the old name is the same as the new name. */
if (!lstrcmpW(srcSubKey, newName)) goto done;
lRet = RegCreateKeyExW(parentKey, newName, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_WRITE, NULL /* FIXME */, &destKey, &disposition);
if (disposition == REG_OPENED_EXISTING_KEY)
lRet = ERROR_FILE_EXISTS; /* FIXME: we might want a better error message than this */
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
/* FIXME: SHCopyKey does not copy the security attributes */
lRet = SHCopyKeyW(parentKey, srcSubKey, destKey, 0);
if (lRet != ERROR_SUCCESS) {
RegCloseKey(destKey);
RegDeleteKeyW(parentKey, newName);
error_code_messagebox(hwnd, lRet);
goto done;
}
lRet = SHDeleteKeyW(hRootKey, keyPath);
if (lRet != ERROR_SUCCESS) {
error_code_messagebox(hwnd, lRet);
goto done;
}
result = TRUE;
done:
RegCloseKey(destKey);
if (parentKey) {
RegCloseKey(parentKey);
HeapFree(GetProcessHeap(), 0, parentPath);
}
return result;
}