/***********************************************************************
* GetTimeZoneInformation (KERNEL32.@)
*
* Get information about the current local time zone.
*
* PARAMS
* tzinfo [out] Destination for time zone information.
*
* RETURNS
* TIME_ZONE_ID_INVALID An error occurred
* TIME_ZONE_ID_UNKNOWN There are no transition time known
* TIME_ZONE_ID_STANDARD Current time is standard time
* TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
*/
DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION tzinfo )
{
NTSTATUS status;
status = RtlQueryTimeZoneInformation( (RTL_TIME_ZONE_INFORMATION*)tzinfo );
if ( status != STATUS_SUCCESS )
{
SetLastError( RtlNtStatusToDosError(status) );
return TIME_ZONE_ID_INVALID;
}
return TIME_ZoneID( tzinfo );
}
/*
* @implemented
*/
DWORD
WINAPI
GetTimeZoneInformation(LPTIME_ZONE_INFORMATION lpTimeZoneInformation)
{
RTL_TIME_ZONE_INFORMATION TimeZoneInformation;
NTSTATUS Status;
DPRINT("GetTimeZoneInformation()\n");
Status = NtQuerySystemInformation(SystemCurrentTimeZoneInformation,
&TimeZoneInformation,
sizeof(RTL_TIME_ZONE_INFORMATION),
NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return TIME_ZONE_ID_INVALID;
}
lpTimeZoneInformation->Bias = TimeZoneInformation.Bias;
wcsncpy(lpTimeZoneInformation->StandardName,
TimeZoneInformation.StandardName,
ARRAYSIZE(lpTimeZoneInformation->StandardName));
lpTimeZoneInformation->StandardDate.wYear = TimeZoneInformation.StandardDate.Year;
lpTimeZoneInformation->StandardDate.wMonth = TimeZoneInformation.StandardDate.Month;
lpTimeZoneInformation->StandardDate.wDay = TimeZoneInformation.StandardDate.Day;
lpTimeZoneInformation->StandardDate.wHour = TimeZoneInformation.StandardDate.Hour;
lpTimeZoneInformation->StandardDate.wMinute = TimeZoneInformation.StandardDate.Minute;
lpTimeZoneInformation->StandardDate.wSecond = TimeZoneInformation.StandardDate.Second;
lpTimeZoneInformation->StandardDate.wMilliseconds = TimeZoneInformation.StandardDate.Milliseconds;
lpTimeZoneInformation->StandardDate.wDayOfWeek = TimeZoneInformation.StandardDate.Weekday;
lpTimeZoneInformation->StandardBias = TimeZoneInformation.StandardBias;
wcsncpy(lpTimeZoneInformation->DaylightName,
TimeZoneInformation.DaylightName,
ARRAYSIZE(lpTimeZoneInformation->DaylightName));
lpTimeZoneInformation->DaylightDate.wYear = TimeZoneInformation.DaylightDate.Year;
lpTimeZoneInformation->DaylightDate.wMonth = TimeZoneInformation.DaylightDate.Month;
lpTimeZoneInformation->DaylightDate.wDay = TimeZoneInformation.DaylightDate.Day;
lpTimeZoneInformation->DaylightDate.wHour = TimeZoneInformation.DaylightDate.Hour;
lpTimeZoneInformation->DaylightDate.wMinute = TimeZoneInformation.DaylightDate.Minute;
lpTimeZoneInformation->DaylightDate.wSecond = TimeZoneInformation.DaylightDate.Second;
lpTimeZoneInformation->DaylightDate.wMilliseconds = TimeZoneInformation.DaylightDate.Milliseconds;
lpTimeZoneInformation->DaylightDate.wDayOfWeek = TimeZoneInformation.DaylightDate.Weekday;
lpTimeZoneInformation->DaylightBias = TimeZoneInformation.DaylightBias;
return TIME_ZoneID(lpTimeZoneInformation);
}
/*
* @implemented
*/
DWORD
WINAPI
GetTimeZoneInformation(LPTIME_ZONE_INFORMATION lpTimeZoneInformation)
{
NTSTATUS Status;
DPRINT("GetTimeZoneInformation()\n");
Status = NtQuerySystemInformation(SystemCurrentTimeZoneInformation,
lpTimeZoneInformation,
sizeof(TIME_ZONE_INFORMATION),
NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return TIME_ZONE_ID_INVALID;
}
return TIME_ZoneID(lpTimeZoneInformation);
}
