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Implement removal of environment variables by removing all environment variables from the registry and re-adding the stored ones.

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svn path=/trunk/; revision=30086
This commit is contained in:
Eric Kohl 2007-11-03 11:02:31 +00:00
parent 6033dd0e44
commit 495c4b799c
1 changed files with 78 additions and 5 deletions
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83
reactos/dll/cpl/sysdm/environment.c
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@ -484,7 +484,14 @@ SetAllVars(HWND hwndDlg,
PVARIABLE_DATA VarData;
LV_ITEM lvi;
INT iItem;
HKEY hk;
HKEY hKey;
DWORD dwValueCount;
DWORD dwMaxValueNameLength;
LPTSTR *aValueArray;
DWORD dwNameLength;
DWORD i;
TCHAR szBuffer[256];
LPTSTR lpBuffer;
memset(&lvi, 0x00, sizeof(lvi));
@ -504,12 +511,78 @@ SetAllVars(HWND hwndDlg,
REG_OPTION_NON_VOLATILE,
KEY_WRITE | KEY_READ,
NULL,
&hk,
&hKey,
NULL))
{
return;
}
/* Get the number of values and the maximum value name length */
if (RegQueryInfoKey(hKey,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
&dwValueCount,
&dwMaxValueNameLength,
NULL,
NULL,
NULL))
{
RegCloseKey(hKey);
return;
}
if (dwValueCount > 0)
{
/* Allocate the value array */
aValueArray = GlobalAlloc(GPTR, dwValueCount * sizeof(LPTSTR));
if (aValueArray != NULL)
{
/* Get all value names */
for (i = 0; i < dwValueCount; i++)
{
dwNameLength = 256;
if (!RegEnumValue(hKey,
i,
szBuffer,
&dwNameLength,
NULL,
NULL,
NULL,
NULL))
{
/* Allocate a value name buffer, fill it and attach it to the array */
lpBuffer = (LPTSTR)GlobalAlloc(GPTR, (dwNameLength + 1) * sizeof(TCHAR));
if (lpBuffer != NULL)
{
_tcscpy(lpBuffer, szBuffer);
aValueArray[i] = lpBuffer;
}
}
}
/* Delete all values */
for (i = 0; i < dwValueCount; i++)
{
if (aValueArray[i] != NULL)
{
/* Delete the value*/
RegDeleteValue(hKey,
aValueArray[i]);
/* Free the value name */
GlobalFree(aValueArray[i]);
}
}
/* Free the value array */
GlobalFree(aValueArray);
}
}
/* Loop through all variables */
while(ListView_GetItem(hwndListView, &lvi))
{
@ -518,14 +591,14 @@ SetAllVars(HWND hwndDlg,
if (VarData != NULL)
{
/* Set the new value */
if (RegSetValueEx(hk,
if (RegSetValueEx(hKey,
VarData->lpName,
0,
VarData->dwType,
(LPBYTE)VarData->lpRawValue,
(DWORD)(_tcslen(VarData->lpRawValue) + 1) * sizeof(TCHAR)))
{
RegCloseKey(hk);
RegCloseKey(hKey);
return;
}
}
@ -535,7 +608,7 @@ SetAllVars(HWND hwndDlg,
lvi.iItem = ++iItem;
}
RegCloseKey(hk);
RegCloseKey(hKey);
}