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Implement RtlCutoverTimeToSystemTime().

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svn path=/trunk/; revision=12796
This commit is contained in:
Eric Kohl
2005-01-04 20:10:11 +00:00
parent d8b3bb21d1
commit db2f53dc81
3 changed files with 117 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
reactos/include/ntos/rtl.h
+6
View File
@@ -878,6 +878,12 @@ RtlCustomCPToUnicodeN (
ULONG CustomSize
);
BOOLEAN STDCALL
RtlCutoverTimeToSystemTime(IN PTIME_FIELDS CutoverTimeFields,
OUT PLARGE_INTEGER SystemTime,
IN PLARGE_INTEGER CurrentTime,
IN ULONG Unknown);
NTSTATUS STDCALL
RtlDecompressBuffer(IN USHORT CompressionFormat,
OUT PUCHAR UncompressedBuffer,
reactos/lib/ntdll/def/ntdll.def
+2 -2
View File
@@ -1,4 +1,4 @@
; $Id: ntdll.def,v 1.135 2004/12/05 21:16:01 navaraf Exp $
; $Id$
;
; ReactOS Operating System
;
@@ -370,7 +370,7 @@ RtlCreateUserProcess@40
;RtlCreateUserSecurityObject
RtlCreateUserThread@40
RtlCustomCPToUnicodeN@24
;RtlCutoverTimeToSystemTime
RtlCutoverTimeToSystemTime@16
RtlDeNormalizeProcessParams@4
RtlDecompressBuffer@24
RtlDecompressFragment@32
reactos/lib/rtl/time.c
+109 -31
View File
@@ -1,4 +1,4 @@
/* $Id: time.c,v 1.2 2004/12/16 23:46:41 ekohl Exp $
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@@ -48,9 +48,7 @@ static const int YearLengths[2] =
};
static const int MonthLengths[2][MONSPERYEAR] =
{
{
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
},
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
};
@@ -69,14 +67,97 @@ static __inline void NormalizeTimeFields(CSHORT *FieldToNormalize,
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
BOOLEAN STDCALL
RtlCutoverTimeToSystemTime(IN PTIME_FIELDS CutoverTimeFields,
OUT PLARGE_INTEGER SystemTime,
IN PLARGE_INTEGER CurrentTime,
IN ULONG Unknown)
{
TIME_FIELDS AdjustedTimeFields;
TIME_FIELDS CurrentTimeFields;
TIME_FIELDS CutoverSystemTimeFields;
LARGE_INTEGER CutoverSystemTime;
CSHORT MonthLength;
CSHORT Days;
/* Check fixed cutover time */
if (CutoverTimeFields->Year != 0)
{
if (!RtlTimeFieldsToTime(CutoverTimeFields, SystemTime))
return FALSE;
if (SystemTime->QuadPart < CurrentTime->QuadPart)
return FALSE;
return TRUE;
}
/*
* Compute recurring cutover time
*/
/* Day must be between 1(first) and 5(last) */
if (CutoverTimeFields->Day == 0 || CutoverTimeFields->Day > 5)
return FALSE;
RtlTimeToTimeFields(CurrentTime, &CurrentTimeFields);
/* Compute the cutover time of the first day of the current month */
AdjustedTimeFields.Year = CurrentTimeFields.Year;
AdjustedTimeFields.Month = CutoverTimeFields->Month;
AdjustedTimeFields.Day = 1;
AdjustedTimeFields.Hour = CutoverTimeFields->Hour;
AdjustedTimeFields.Minute = CutoverTimeFields->Minute;
AdjustedTimeFields.Second = CutoverTimeFields->Second;
AdjustedTimeFields.Milliseconds = CutoverTimeFields->Milliseconds;
if (!RtlTimeFieldsToTime(&AdjustedTimeFields, &CutoverSystemTime))
return FALSE;
RtlTimeToTimeFields(&CutoverSystemTime, &CutoverSystemTimeFields);
/* Adjust day to first matching weekday */
if (CutoverSystemTimeFields.Weekday != CutoverTimeFields->Weekday)
{
if (CutoverSystemTimeFields.Weekday < CutoverTimeFields->Weekday)
Days = CutoverTimeFields->Weekday - CutoverSystemTimeFields.Weekday;
else
Days = DAYSPERWEEK - (CutoverSystemTimeFields.Weekday - CutoverTimeFields->Weekday);
AdjustedTimeFields.Day += Days;
}
/* Adjust the number of weeks */
if (CutoverTimeFields->Day > 1)
{
Days = DAYSPERWEEK * (CutoverTimeFields->Day - 1);
MonthLength = MonthLengths[IsLeapYear(AdjustedTimeFields.Year)][AdjustedTimeFields.Month - 1];
if ((AdjustedTimeFields.Day + Days) > MonthLength)
Days -= DAYSPERWEEK;
AdjustedTimeFields.Day += Days;
}
if (!RtlTimeFieldsToTime(&AdjustedTimeFields, &CutoverSystemTime))
return FALSE;
SystemTime->QuadPart = CutoverSystemTime.QuadPart;
return TRUE;
}
/*
* @implemented
*/
BOOLEAN
STDCALL
RtlTimeFieldsToTime(
PTIME_FIELDS TimeFields,
PLARGE_INTEGER Time)
IN PTIME_FIELDS TimeFields,
OUT PLARGE_INTEGER Time)
{
int CurYear;
int CurMonth;
@@ -179,13 +260,13 @@ RtlTimeToElapsedTimeFields(IN PLARGE_INTEGER Time,
/*
* @unimplemented
* @implemented
*/
VOID
STDCALL
RtlTimeToTimeFields(
PLARGE_INTEGER Time,
PTIME_FIELDS TimeFields)
IN PLARGE_INTEGER Time,
OUT PTIME_FIELDS TimeFields)
{
const int *Months;
int SecondsInDay, CurYear;
@@ -230,7 +311,6 @@ RtlTimeToTimeFields(
Days += CurYear - CurYear / 4 + CurYear / 100 - CurYear / 400;
CurYear++;
Days -= EPOCHYEAR - 1 - (EPOCHYEAR -1) / 4 + (EPOCHYEAR -1) / 100 - (EPOCHYEAR - 1) / 400;
/* FIXME: handle calendar modifications */
while (1)
{
LeapYear = IsLeapYear(CurYear);
@@ -259,8 +339,8 @@ RtlTimeToTimeFields(
BOOLEAN
STDCALL
RtlTimeToSecondsSince1970(
PLARGE_INTEGER Time,
PULONG SecondsSince1970)
IN PLARGE_INTEGER Time,
OUT PULONG SecondsSince1970)
{
LARGE_INTEGER IntTime;
@@ -282,8 +362,8 @@ RtlTimeToSecondsSince1970(
BOOLEAN
STDCALL
RtlTimeToSecondsSince1980(
PLARGE_INTEGER Time,
PULONG SecondsSince1980)
IN PLARGE_INTEGER Time,
OUT PULONG SecondsSince1980)
{
LARGE_INTEGER IntTime;
@@ -304,8 +384,8 @@ RtlTimeToSecondsSince1980(
*/
NTSTATUS
STDCALL
RtlLocalTimeToSystemTime(PLARGE_INTEGER LocalTime,
PLARGE_INTEGER SystemTime)
RtlLocalTimeToSystemTime(IN PLARGE_INTEGER LocalTime,
OUT PLARGE_INTEGER SystemTime)
{
SYSTEM_TIMEOFDAY_INFORMATION TimeInformation;
NTSTATUS Status;
@@ -315,12 +395,12 @@ RtlLocalTimeToSystemTime(PLARGE_INTEGER LocalTime,
sizeof(SYSTEM_TIMEOFDAY_INFORMATION),
NULL);
if (!NT_SUCCESS(Status))
return(Status);
return Status;
SystemTime->QuadPart = LocalTime->QuadPart +
TimeInformation.TimeZoneBias.QuadPart;
return(STATUS_SUCCESS);
return STATUS_SUCCESS;
}
@@ -329,8 +409,8 @@ RtlLocalTimeToSystemTime(PLARGE_INTEGER LocalTime,
*/
NTSTATUS
STDCALL
RtlSystemTimeToLocalTime(PLARGE_INTEGER SystemTime,
PLARGE_INTEGER LocalTime)
RtlSystemTimeToLocalTime(IN PLARGE_INTEGER SystemTime,
OUT PLARGE_INTEGER LocalTime)
{
SYSTEM_TIMEOFDAY_INFORMATION TimeInformation;
NTSTATUS Status;
@@ -340,36 +420,34 @@ RtlSystemTimeToLocalTime(PLARGE_INTEGER SystemTime,
sizeof(SYSTEM_TIMEOFDAY_INFORMATION),
NULL);
if (!NT_SUCCESS(Status))
return(Status);
return Status;
LocalTime->QuadPart = SystemTime->QuadPart -
TimeInformation.TimeZoneBias.QuadPart;
return(STATUS_SUCCESS);
return STATUS_SUCCESS;
}
/*
* @implemented
*/
VOID
STDCALL
VOID STDCALL
RtlSecondsSince1970ToTime(
ULONG SecondsSince1970,
PLARGE_INTEGER Time)
IN ULONG SecondsSince1970,
OUT PLARGE_INTEGER Time)
{
Time->QuadPart = ((LONGLONG)SecondsSince1970 * TICKSPERSEC) + TICKSTO1970;
Time->QuadPart = ((LONGLONG)SecondsSince1970 * TICKSPERSEC) + TICKSTO1970;
}
/*
* @implemented
*/
VOID
STDCALL
VOID STDCALL
RtlSecondsSince1980ToTime(
ULONG SecondsSince1980,
PLARGE_INTEGER Time)
IN ULONG SecondsSince1980,
OUT PLARGE_INTEGER Time)
{
Time->QuadPart = ((LONGLONG)SecondsSince1980 * TICKSPERSEC) + TICKSTO1980;
}