diff options
Diffstat (limited to 'src/modules/utils/timeutils.cpp')
| -rw-r--r-- | src/modules/utils/timeutils.cpp | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/modules/utils/timeutils.cpp b/src/modules/utils/timeutils.cpp index cea409ef82..5e921566d5 100644 --- a/src/modules/utils/timeutils.cpp +++ b/src/modules/utils/timeutils.cpp @@ -113,165 +113,3 @@ void FormatTime(const SYSTEMTIME *st, const TCHAR *szFormat, TCHAR *szDest, int }
*pDest = 0;
}
-
-
-#ifndef _UNICODE
-void ConvertToAbsolute (const SYSTEMTIME * pstLoc, const SYSTEMTIME * pstDst, SYSTEMTIME * pstDstAbs)
-{
- static int iDays [12] = { 31, 28, 31, 30, 31, 30,
- 31, 31, 30, 31, 30, 31 } ;
- int iDay ;
-
- // Set up the aboluste date structure except for wDay, which we must find
-
- pstDstAbs->wYear = pstLoc->wYear ; // Notice from local date/time
- pstDstAbs->wMonth = pstDst->wMonth ;
- pstDstAbs->wDayOfWeek = pstDst->wDayOfWeek ;
-
- pstDstAbs->wHour = pstDst->wHour ;
- pstDstAbs->wMinute = pstDst->wMinute ;
- pstDstAbs->wSecond = pstDst->wSecond ;
- pstDstAbs->wMilliseconds = pstDst->wMilliseconds ;
-
- // Fix the iDays array for leap years
-
- if ((pstLoc->wYear % 4 == 0) && ((pstLoc->wYear % 100 != 0) ||
- (pstLoc->wYear % 400 == 0)))
- {
- iDays[1] = 29 ;
- }
-
- // Find a day of the month that falls on the same
- // day of the week as the transition.
-
- // Suppose today is the 20th of the month (pstLoc->wDay = 20)
- // Suppose today is a Wednesday (pstLoc->wDayOfWeek = 3)
- // Suppose the transition occurs on a Friday (pstDst->wDayOfWeek = 5)
- // Then iDay = 31, meaning that the 31st falls on a Friday
- // (The 7 is this formula avoids negatives.)
-
- iDay = pstLoc->wDay + pstDst->wDayOfWeek + 7 - pstLoc->wDayOfWeek ;
-
- // Now shrink iDay to a value between 1 and 7.
-
- iDay = (iDay - 1) % 7 + 1 ;
-
- // Now iDay is a day of the month ranging from 1 to 7.
- // Recall that the wDay field of the structure can range
- // from 1 to 5, 1 meaning "first", 2 meaning "second",
- // and 5 meaning "last".
- // So, increase iDay so it's the proper day of the month.
-
- iDay += 7 * (pstDst->wDay - 1) ;
-
- // Could be that iDay overshot the end of the month, so
- // fix it up using the number of days in each month
-
- if (iDay > iDays[pstDst->wMonth - 1])
- iDay -= 7 ;
-
- // Assign that day to the structure.
-
- pstDstAbs->wDay = iDay ;
-}
-
-BOOL LocalGreaterThanTransition (const SYSTEMTIME * pstLoc, const SYSTEMTIME * pstTran)
-{
- FILETIME ftLoc, ftTran ;
- LARGE_INTEGER liLoc, liTran ;
- SYSTEMTIME stTranAbs ;
-
- // Easy case: Just compare the two months
-
- if (pstLoc->wMonth != pstTran->wMonth)
- return (pstLoc->wMonth > pstTran->wMonth) ;
-
- // Well, we're in a transition month. That requires a bit more work.
-
- // Check if pstDst is in absolute or day-in-month format.
- // (See documentation of TIME_ZONE_INFORMATION, StandardDate field.)
-
- if (pstTran->wYear) // absolute format (haven't seen one yet!)
- {
- stTranAbs = * pstTran ;
- }
- else // day-in-month format
- {
- ConvertToAbsolute (pstLoc, pstTran, &stTranAbs) ;
- }
-
- // Now convert both date/time structures to large integers & compare
-
- SystemTimeToFileTime (pstLoc, &ftLoc) ;
- liLoc = * (LARGE_INTEGER *) (void *) &ftLoc ;
-
- SystemTimeToFileTime (&stTranAbs, &ftTran) ;
- liTran = * (LARGE_INTEGER *) (void *) &ftTran ;
-
- return (liLoc.QuadPart > liTran.QuadPart) ;
-}
-
-BOOL MySystemTimeToTzSpecificLocalTime(LPTIME_ZONE_INFORMATION ptzi, LPSYSTEMTIME pstUtc, LPSYSTEMTIME pstLoc)
-{
- // st is UTC
-
- FILETIME ft ;
- LARGE_INTEGER li ;
- SYSTEMTIME stDst ;
-
- if (IsWinVerNT())
- return SystemTimeToTzSpecificLocalTime(ptzi, pstUtc, pstLoc);
-
- // Convert time to a LARGE_INTEGER and subtract the bias
-
- SystemTimeToFileTime (pstUtc, &ft) ;
- li = * (LARGE_INTEGER *) (void *) &ft;
- li.QuadPart -= (LONGLONG) 600000000 * ptzi->Bias ;
-
- // Convert to a local date/time before application of daylight saving time.
- // The local date/time must be used to determine when the conversion occurs.
-
- ft = * (FILETIME *) (void *) &li ;
- FileTimeToSystemTime (&ft, pstLoc) ;
-
- // Find the time assuming Daylight Saving Time
-
- li.QuadPart -= (LONGLONG) 600000000 * ptzi->DaylightBias ;
- ft = * (FILETIME *) (void *) &li ;
- FileTimeToSystemTime (&ft, &stDst) ;
-
- // Now put li back the way it was
-
- li.QuadPart += (LONGLONG) 600000000 * ptzi->DaylightBias ;
-
- if (ptzi->StandardDate.wMonth) // ie, daylight savings time
- {
- // Northern hemisphere
- if ((ptzi->DaylightDate.wMonth < ptzi->StandardDate.wMonth) &&
-
- (stDst.wMonth >= pstLoc->wMonth) && // avoid the end of year problem
-
- LocalGreaterThanTransition (pstLoc, &ptzi->DaylightDate) &&
- !LocalGreaterThanTransition (&stDst, &ptzi->StandardDate))
- {
- li.QuadPart -= (LONGLONG) 600000000 * ptzi->DaylightBias ;
- }
- // Southern hemisphere
-
- else if ((ptzi->StandardDate.wMonth < ptzi->DaylightDate.wMonth) &&
- (!LocalGreaterThanTransition (&stDst, &ptzi->StandardDate) ||
- LocalGreaterThanTransition (pstLoc, &ptzi->DaylightDate)))
- {
- li.QuadPart -= (LONGLONG) 600000000 * ptzi->DaylightBias ;
- }
- else
- {
- li.QuadPart -= (LONGLONG) 600000000 * ptzi->StandardBias ;
- }
- }
-
- ft = * (FILETIME *) (void *) &li ;
- FileTimeToSystemTime (&ft, pstLoc) ;
- return TRUE ;
-}
-#endif
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