reactos/lib/rtl/timezone.c

176 lines
5.5 KiB
C
Raw Normal View History

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* PURPOSE: Timezone functions
* FILE: lib/rtl/timezone.c
* PROGRAMER: Eric Kohl
*/
/* INCLUDES *****************************************************************/
#include <rtl.h>
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ***************************************************************/
/*
* @implemented
*/
NTSTATUS
NTAPI
RtlQueryTimeZoneInformation(PRTL_TIME_ZONE_INFORMATION TimeZoneInformation)
{
RTL_QUERY_REGISTRY_TABLE QueryTable[8];
UNICODE_STRING StandardName;
UNICODE_STRING DaylightName;
NTSTATUS Status;
DPRINT("RtlQueryTimeZoneInformation()\n");
PAGED_CODE_RTL();
RtlZeroMemory(QueryTable,
sizeof(QueryTable));
StandardName.Length = 0;
StandardName.MaximumLength = 32 * sizeof(WCHAR);
StandardName.Buffer = TimeZoneInformation->StandardName;
DaylightName.Length = 0;
DaylightName.MaximumLength = 32 * sizeof(WCHAR);
DaylightName.Buffer = TimeZoneInformation->DaylightName;
QueryTable[0].Name = L"Bias";
QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[0].EntryContext = &TimeZoneInformation->Bias;
QueryTable[1].Name = L"StandardName";
QueryTable[1].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[1].EntryContext = &StandardName;
QueryTable[2].Name = L"StandardBias";
QueryTable[2].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[2].EntryContext = &TimeZoneInformation->StandardBias;
QueryTable[3].Name = L"StandardStart";
QueryTable[3].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[3].EntryContext = &TimeZoneInformation->StandardDate;
QueryTable[4].Name = L"DaylightName";
QueryTable[4].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[4].EntryContext = &DaylightName;
QueryTable[5].Name = L"DaylightBias";
QueryTable[5].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[5].EntryContext = &TimeZoneInformation->DaylightBias;
QueryTable[6].Name = L"DaylightStart";
QueryTable[6].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[6].EntryContext = &TimeZoneInformation->DaylightDate;
Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
QueryTable,
NULL,
NULL);
return Status;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
RtlSetTimeZoneInformation(PRTL_TIME_ZONE_INFORMATION TimeZoneInformation)
{
SIZE_T Length;
NTSTATUS Status;
DPRINT("RtlSetTimeZoneInformation()\n");
PAGED_CODE_RTL();
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"Bias",
REG_DWORD,
&TimeZoneInformation->Bias,
sizeof(LONG));
if (!NT_SUCCESS(Status))
{
return Status;
}
Length = (wcslen(TimeZoneInformation->StandardName) + 1) * sizeof(WCHAR);
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"StandardName",
REG_SZ,
TimeZoneInformation->StandardName,
(ULONG)Length);
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"StandardBias",
REG_DWORD,
&TimeZoneInformation->StandardBias,
sizeof(LONG));
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"StandardStart",
REG_BINARY,
&TimeZoneInformation->StandardDate,
sizeof(SYSTEMTIME));
if (!NT_SUCCESS(Status))
{
return Status;
}
Length = (wcslen(TimeZoneInformation->DaylightName) + 1) * sizeof(WCHAR);
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"DaylightName",
REG_SZ,
TimeZoneInformation->DaylightName,
(ULONG)Length);
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"DaylightBias",
REG_DWORD,
&TimeZoneInformation->DaylightBias,
sizeof(LONG));
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = RtlWriteRegistryValue(RTL_REGISTRY_CONTROL,
L"TimeZoneInformation",
L"DaylightStart",
REG_BINARY,
&TimeZoneInformation->DaylightDate,
sizeof(SYSTEMTIME));
return Status;
}
/* EOF */