BOOL
ClearEvents(VOID)
{
HANDLE hEventLog;
WCHAR szFileName[MAX_PATH];
WCHAR szMessage[MAX_LOADSTRING];
ZeroMemory(szFileName, sizeof(szFileName));
ZeroMemory(szMessage, sizeof(szMessage));
LoadStringW(hInst, IDS_CLEAREVENTS_MSG, szMessage, MAX_LOADSTRING);
sfn.lpstrFile = szFileName;
sfn.nMaxFile = MAX_PATH;
switch (MessageBoxW(hwndMainWindow, szMessage, szTitle, MB_YESNOCANCEL | MB_ICONINFORMATION))
{
case IDCANCEL:
{
return FALSE;
}
case IDNO:
{
sfn.lpstrFile = NULL;
break;
}
case IDYES:
{
if (!GetSaveFileNameW(&sfn))
{
return FALSE;
}
break;
}
}
hEventLog = OpenEventLogW(lpComputerName, lpSourceLogName);
if (!hEventLog)
{
ShowLastWin32Error();
return FALSE;
}
if (!ClearEventLogW(hEventLog, sfn.lpstrFile))
{
ShowLastWin32Error();
CloseEventLog(hEventLog);
return FALSE;
}
CloseEventLog(hEventLog);
return TRUE;
}
/******************************************************************************
* ClearEventLogA [ADVAPI32.@]
*
* Clears the event log and optionally saves the log to a backup file.
*
* PARAMS
* hEvenLog [I] Handle to event log to clear.
* lpBackupFileName [I] Name of the backup file.
*
* RETURNS
* Success: nonzero. if lpBackupFileName != NULL, lpBackupFileName will
* contain the contents of hEvenLog and the log will be cleared.
* Failure: zero. Fails if the event log is empty or if lpBackupFileName
* exists.
*/
BOOL WINAPI ClearEventLogA( HANDLE hEventLog, LPCSTR lpBackupFileName )
{
LPWSTR backupW;
BOOL ret;
backupW = SERV_dup(lpBackupFileName);
ret = ClearEventLogW(hEventLog, backupW);
heap_free(backupW);
return ret;
}
/******************************************************************************
* ClearEventLogA [ADVAPI32.@]
*
* Clears the event log and optionally saves the log to a backup file.
*
* PARAMS
* hEvenLog [I] Handle to event log to clear.
* lpBackupFileName [I] Name of the backup file.
*
* RETURNS
* Success: nonzero. if lpBackupFileName != NULL, lpBackupFileName will
* contain the contents of hEvenLog and the log will be cleared.
* Failure: zero. Fails if the event log is empty or if lpBackupFileName
* exists.
*/
BOOL WINAPI ClearEventLogA( HANDLE hEventLog, LPCSTR lpBackupFileName )
{
LPWSTR backupW;
BOOL ret;
backupW = SERV_dup(lpBackupFileName);
ret = ClearEventLogW(hEventLog, backupW);
HeapFree(GetProcessHeap(), 0, backupW);
return ret;
}
/******************************************************************************
* ClearEventLogA [ADVAPI32.@]
*/
BOOL WINAPI
ClearEventLogA(IN HANDLE hEventLog,
IN LPCSTR lpBackupFileName)
{
ANSI_STRING BackupFileNameA;
UNICODE_STRING BackupFileNameW;
NTSTATUS Status;
BOOL Result;
TRACE("%p, %s\n", hEventLog, lpBackupFileName);
if (lpBackupFileName == NULL)
{
RtlInitUnicodeString(&BackupFileNameW, NULL);
}
else
{
RtlInitAnsiString(&BackupFileNameA, lpBackupFileName);
Status = RtlAnsiStringToUnicodeString(&BackupFileNameW,
&BackupFileNameA,
TRUE);
if (!NT_SUCCESS(Status))
{
SetLastError(RtlNtStatusToDosError(Status));
return FALSE;
}
}
Result = ClearEventLogW(hEventLog,
BackupFileNameW.Buffer);
RtlFreeUnicodeString(&BackupFileNameW);
return Result;
}
