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stdtimep.h File Reference

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Defines

#define SHIFT10000   13
#define SHIFT10000000   23
#define SHIFT86400000   26
#define Convert100nsToMilliseconds(LARGE_INTEGER)
#define ConvertMillisecondsTo100ns(MILLISECONDS)
#define Convert100nsToSeconds(LARGE_INTEGER)
#define ConvertSecondsTo100ns(SECONDS)
#define ConvertMillisecondsToDays(LARGE_INTEGER)
#define MAX_STDTIME_TDF   (780)
#define MIN_STDTIME_TDF   (-720)
#define STDTIME_REVISION   (4)
#define STDTIME_REVISION_SHIFT   12
#define ShiftStandardTimeRevision(Rev)   ((USHORT) ((Rev) << STDTIME_REVISION_SHIFT))
#define SHIFTED_STDTIME_REVISION   (ShiftStandardTimeRevision(STDTIME_REVISION))
#define TDF_MASK   ((USHORT) 0x0fff)
#define MaskStandardTimeTdf(Tdf)   ((USHORT) ((Tdf) & TDF_MASK))
#define GetStandardTimeTdf(StdTime)
#define GetStandardTimeRev(StdTime)   ((USHORT) (((StdTime)->TdfAndRevision) >> STDTIME_REVISION_SHIFT))
#define IsPositive(Time)   ( ((Time).HighPart > 0) || (((Time).HighPart = 0) & ((Time).LowPart > 0)) )
#define IsAbsoluteTime(Time)   ( IsPositive(Time->SimpleTime) )
#define IsDeltaTime(Time)   ( !IsAbsoluteTime(Time) )
#define GreaterThanTime(Time1, Time2)
#define GreaterThanStdTime(Time1, Time2)   GreaterThanTime((Time1).SimpleTime, (Time2).SimpleTime)
#define WEEKDAY_OF_1601   1
#define ElapsedDaysToYears(DAYS)
#define NumberOfLeapYears(YEARS)
#define ElapsedYearsToDays(YEARS)
#define IsLeapYear(YEARS)
#define MaxDaysInMonth(YEAR, MONTH)

Functions

VOID RtlpConvert48To64 (IN PSTDTIME_ERROR num48, OUT LARGE_INTEGER *num64)
NTSTATUS RtlpConvert64To48 (IN LARGE_INTEGER num64, OUT PSTDTIME_ERROR num48)
LARGE_INTEGER RtlpTimeToLargeInt (IN LARGE_INTEGER Time)
LARGE_INTEGER RtlpLargeIntToTime (IN LARGE_INTEGER Int)
NTSTATUS RtlpAdd48Int (IN PSTDTIME_ERROR First48, IN PSTDTIME_ERROR Second48, IN PSTDTIME_ERROR Result48)
NTSTATUS RtlpAddTime (IN LARGE_INTEGER Time1, IN LARGE_INTEGER Time2, OUT PLARGE_INTEGER Result)
NTSTATUS RtlpSubtractTime (IN LARGE_INTEGER Time1, IN LARGE_INTEGER Time2, OUT PLARGE_INTEGER Result)
LARGE_INTEGER RtlpAbsTime (IN LARGE_INTEGER Time)

Variables

LARGE_INTEGER Magic10000
LARGE_INTEGER Magic10000000
LARGE_INTEGER Magic86400000
LARGE_INTEGER SecondsToStartOf1970
LARGE_INTEGER SecondsToStartOf1980

Define Documentation

#define Convert100nsToMilliseconds (  LARGE_INTEGER   ) 
 

Value:

(                         \
    RtlExtendedMagicDivide( (LARGE_INTEGER), Magic10000, SHIFT10000 )       \
    )

Definition at line 50 of file stdtimep.h.

#define Convert100nsToSeconds (  LARGE_INTEGER   ) 
 

Value:

(                              \
    RtlExtendedMagicDivide( (LARGE_INTEGER), Magic10000000, SHIFT10000000 ) \
    )

Definition at line 58 of file stdtimep.h.

Referenced by RtlTimeToSecondsSince1970(), and RtlTimeToSecondsSince1980().

#define ConvertMillisecondsTo100ns (  MILLISECONDS   ) 
 

Value:

(                 \
    RtlExtendedIntegerMultiply( (MILLISECONDS), 10000 )            \
    )

Definition at line 54 of file stdtimep.h.

Referenced by DaysAndFractionToTime().

#define ConvertMillisecondsToDays (  LARGE_INTEGER   ) 
 

Value:

(                          \
    RtlExtendedMagicDivide( (LARGE_INTEGER), Magic86400000, SHIFT86400000 ) \
    )

Definition at line 66 of file stdtimep.h.

Referenced by TimeToDaysAndFraction().

#define ConvertSecondsTo100ns (  SECONDS   ) 
 

Value:

(                           \
    RtlExtendedIntegerMultiply( (SECONDS), 10000000L )             \
    )

Definition at line 62 of file stdtimep.h.

Referenced by RtlSecondsSince1970ToTime(), and RtlSecondsSince1980ToTime().

#define ElapsedDaysToYears (  DAYS   ) 
 

Value:

( \
    ((DAYS) * 128 + 127) / 46751   \
    )

Definition at line 323 of file stdtimep.h.

Referenced by RtlTimeToTimeFields().

#define ElapsedYearsToDays (  YEARS   ) 
 

Value:

(            \
    ((YEARS) * 365) + NumberOfLeapYears(YEARS) \
    )

Definition at line 354 of file stdtimep.h.

Referenced by RtlTimeFieldsToTime(), and RtlTimeToTimeFields().

#define GetStandardTimeRev (  StdTime   )     ((USHORT) (((StdTime)->TdfAndRevision) >> STDTIME_REVISION_SHIFT))
 

Definition at line 179 of file stdtimep.h.

#define GetStandardTimeTdf (  StdTime   ) 
 

Value:

((SHORT)                                                                   \
     (((StdTime)->TdfAndRevision) & 0x0800)                                   \
        ? (MaskStandardTimeTdf((StdTime)->TdfAndRevision) - 0x1000)           \
        : MaskStandardTimeTdf((StdTime)->TdfAndRevision)                      \
   )

Definition at line 161 of file stdtimep.h.

#define GreaterThanStdTime (  Time1,
Time2   )     GreaterThanTime((Time1).SimpleTime, (Time2).SimpleTime)
 

Definition at line 268 of file stdtimep.h.

#define GreaterThanTime (  Time1,
Time2   ) 
 

Value:

(                                                                          \
     ((Time1).HighPart > (Time2).HighPart)                                    \
     ||                                                                       \
     (                                                                        \
      ((Time1).HighPart == (Time2).HighPart)                                  \
      &&                                                                      \
      ((Time1).LowPart > (Time2).LowPart)                                     \
     )                                                                        \
   )

Definition at line 245 of file stdtimep.h.

#define IsAbsoluteTime (  Time   )     ( IsPositive(Time->SimpleTime) )
 

Definition at line 213 of file stdtimep.h.

#define IsDeltaTime (  Time   )     ( !IsAbsoluteTime(Time) )
 

Definition at line 227 of file stdtimep.h.

#define IsLeapYear (  YEARS   ) 
 

Value:

(                        \
    (((YEARS) % 400 == 0) ||                       \
     ((YEARS) % 100 != 0) && ((YEARS) % 4 == 0)) ? \
        TRUE                                       \
    :                                              \
        FALSE                                      \
    )

Definition at line 368 of file stdtimep.h.

Referenced by RtlTimeFieldsToTime(), and RtlTimeToTimeFields().

#define IsPositive (  Time   )     ( ((Time).HighPart > 0) || (((Time).HighPart = 0) & ((Time).LowPart > 0)) )
 

Definition at line 200 of file stdtimep.h.

#define MaskStandardTimeTdf (  Tdf   )     ((USHORT) ((Tdf) & TDF_MASK))
 

Definition at line 141 of file stdtimep.h.

#define MAX_STDTIME_TDF   (780)
 

Definition at line 81 of file stdtimep.h.

#define MaxDaysInMonth (  YEAR,
MONTH   ) 
 

Value:

(                                      \
    IsLeapYear(YEAR) ?                                                    \
        LeapYearDaysPrecedingMonth[(MONTH) + 1] -                         \
                                    LeapYearDaysPrecedingMonth[(MONTH)]   \
    :                                                                     \
        NormalYearDaysPrecedingMonth[(MONTH) + 1] -                       \
                                    NormalYearDaysPrecedingMonth[(MONTH)] \
    )

Definition at line 388 of file stdtimep.h.

Referenced by RtlTimeFieldsToTime().

#define MIN_STDTIME_TDF   (-720)
 

Definition at line 82 of file stdtimep.h.

#define NumberOfLeapYears (  YEARS   ) 
 

Value:

(                    \
    ((YEARS) / 4) - ((YEARS) / 100) + ((YEARS) / 400) \
    )

Definition at line 339 of file stdtimep.h.

#define SHIFT10000   13
 

Definition at line 37 of file stdtimep.h.

#define SHIFT10000000   23
 

Definition at line 40 of file stdtimep.h.

#define SHIFT86400000   26
 

Definition at line 43 of file stdtimep.h.

#define SHIFTED_STDTIME_REVISION   (ShiftStandardTimeRevision(STDTIME_REVISION))
 

Definition at line 118 of file stdtimep.h.

#define ShiftStandardTimeRevision (  Rev   )     ((USHORT) ((Rev) << STDTIME_REVISION_SHIFT))
 

Definition at line 110 of file stdtimep.h.

#define STDTIME_REVISION   (4)
 

Definition at line 89 of file stdtimep.h.

#define STDTIME_REVISION_SHIFT   12
 

Definition at line 97 of file stdtimep.h.

#define TDF_MASK   ((USHORT) 0x0fff)
 

Definition at line 126 of file stdtimep.h.

#define WEEKDAY_OF_1601   1
 

Definition at line 284 of file stdtimep.h.

Referenced by RtlTimeToTimeFields().

Function Documentation

LARGE_INTEGER RtlpAbsTime (  IN LARGE_INTEGER  Time  ) 
 

NTSTATUS RtlpAdd48Int (  IN PSTDTIME_ERROR  First48,
IN PSTDTIME_ERROR  Second48,
IN PSTDTIME_ERROR  Result48
) 
 

NTSTATUS RtlpAddTime (  IN LARGE_INTEGER  Time1,
IN LARGE_INTEGER  Time2,
OUT PLARGE_INTEGER  Result
) 
 

VOID RtlpConvert48To64 (  IN PSTDTIME_ERROR  num48,
OUT LARGE_INTEGER *  num64
) 
 

NTSTATUS RtlpConvert64To48 (  IN LARGE_INTEGER  num64,
OUT PSTDTIME_ERROR  num48
) 
 

LARGE_INTEGER RtlpLargeIntToTime (  IN LARGE_INTEGER  Int  ) 
 

NTSTATUS RtlpSubtractTime (  IN LARGE_INTEGER  Time1,
IN LARGE_INTEGER  Time2,
OUT PLARGE_INTEGER  Result
) 
 

LARGE_INTEGER RtlpTimeToLargeInt (  IN LARGE_INTEGER  Time  ) 
 

Variable Documentation

LARGE_INTEGER Magic10000
 

Definition at line 36 of file stdtimep.h.

LARGE_INTEGER Magic10000000
 

Definition at line 39 of file stdtimep.h.

LARGE_INTEGER Magic86400000
 

Definition at line 42 of file stdtimep.h.

LARGE_INTEGER SecondsToStartOf1970
 

Definition at line 297 of file stdtimep.h.

Referenced by RtlSecondsSince1970ToTime(), and RtlTimeToSecondsSince1970().

LARGE_INTEGER SecondsToStartOf1980
 

Definition at line 298 of file stdtimep.h.

Referenced by RtlSecondsSince1980ToTime(), and RtlTimeToSecondsSince1980().

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