2 * Win32 kernel time functions
4 * Copyright 1995 Martin von Loewis and Cameron Heide
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #ifdef HAVE_SYS_TIME_H
31 # include <sys/time.h>
33 #ifdef HAVE_SYS_TIMES_H
34 # include <sys/times.h>
36 #ifdef HAVE_SYS_LIMITS_H
37 #include <sys/limits.h>
38 #elif defined(HAVE_MACHINE_LIMITS_H)
39 #include <machine/limits.h>
42 #define NONAMELESSUNION
43 #define NONAMELESSSTRUCT
45 #define WIN32_NO_STATUS
49 #include "kernel_private.h"
50 #include "wine/unicode.h"
51 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(time);
55 /* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */
56 #define SETTIME_MAX_ADJUST 120
57 #define CALINFO_MAX_YEAR 2029
59 #define LL2FILETIME( ll, pft )\
60 (pft)->dwLowDateTime = (UINT)(ll); \
61 (pft)->dwHighDateTime = (UINT)((ll) >> 32);
62 #define FILETIME2LL( pft, ll) \
63 ll = (((LONGLONG)((pft)->dwHighDateTime))<<32) + (pft)-> dwLowDateTime ;
66 static const int MonthLengths[2][12] =
68 { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
69 { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
72 static inline int IsLeapYear(int Year)
74 return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) ? 1 : 0;
77 /***********************************************************************
78 * TIME_DayLightCompareDate
80 * Compares two dates without looking at the year.
83 * date [in] The local time to compare.
84 * compareDate [in] The daylight saving begin or end date.
88 * -1 if date < compareDate
89 * 0 if date == compareDate
90 * 1 if date > compareDate
91 * -2 if an error occurs
93 static int TIME_DayLightCompareDate( const SYSTEMTIME *date,
94 const SYSTEMTIME *compareDate )
96 int limit_day, dayinsecs;
98 if (date->wMonth < compareDate->wMonth)
99 return -1; /* We are in a month before the date limit. */
101 if (date->wMonth > compareDate->wMonth)
102 return 1; /* We are in a month after the date limit. */
104 /* if year is 0 then date is in day-of-week format, otherwise
105 * it's absolute date.
107 if (compareDate->wYear == 0)
110 /* compareDate->wDay is interpreted as number of the week in the month
111 * 5 means: the last week in the month */
112 int weekofmonth = compareDate->wDay;
113 /* calculate the day of the first DayOfWeek in the month */
114 First = ( 6 + compareDate->wDayOfWeek - date->wDayOfWeek + date->wDay
116 limit_day = First + 7 * (weekofmonth - 1);
117 /* check needed for the 5th weekday of the month */
118 if(limit_day > MonthLengths[date->wMonth==2 && IsLeapYear(date->wYear)]
124 limit_day = compareDate->wDay;
127 /* convert to seconds */
128 limit_day = ((limit_day * 24 + compareDate->wHour) * 60 +
129 compareDate->wMinute ) * 60;
130 dayinsecs = ((date->wDay * 24 + date->wHour) * 60 +
131 date->wMinute ) * 60 + date->wSecond;
133 return dayinsecs < limit_day ? -1 :
134 dayinsecs > limit_day ? 1 :
135 0; /* date is equal to the date limit. */
138 /***********************************************************************
139 * TIME_CompTimeZoneID
141 * Computes the local time bias for a given time and time zone.
144 * pTZinfo [in] The time zone data.
145 * lpFileTime [in] The system or local time.
146 * islocal [in] it is local time.
149 * TIME_ZONE_ID_INVALID An error occurred
150 * TIME_ZONE_ID_UNKNOWN There are no transition time known
151 * TIME_ZONE_ID_STANDARD Current time is standard time
152 * TIME_ZONE_ID_DAYLIGHT Current time is dayligh saving time
154 static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo,
155 FILETIME *lpFileTime, BOOL islocal )
158 BOOL beforeStandardDate, afterDaylightDate;
159 DWORD retval = TIME_ZONE_ID_INVALID;
160 LONGLONG llTime = 0; /* initialized to prevent gcc complaining */
164 if (pTZinfo->DaylightDate.wMonth != 0)
166 /* if year is 0 then date is in day-of-week format, otherwise
167 * it's absolute date.
169 if (pTZinfo->StandardDate.wMonth == 0 ||
170 (pTZinfo->StandardDate.wYear == 0 &&
171 (pTZinfo->StandardDate.wDay<1 ||
172 pTZinfo->StandardDate.wDay>5 ||
173 pTZinfo->DaylightDate.wDay<1 ||
174 pTZinfo->DaylightDate.wDay>5)))
176 SetLastError(ERROR_INVALID_PARAMETER);
177 return TIME_ZONE_ID_INVALID;
181 FILETIME2LL( lpFileTime, llTime );
182 llTime -= ( pTZinfo->Bias + pTZinfo->DaylightBias )
183 * (LONGLONG)600000000;
184 LL2FILETIME( llTime, &ftTemp)
185 lpFileTime = &ftTemp;
188 FileTimeToSystemTime(lpFileTime, &SysTime);
190 /* check for daylight saving */
191 ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->StandardDate);
193 return TIME_ZONE_ID_INVALID;
195 beforeStandardDate = ret < 0;
198 llTime -= ( pTZinfo->StandardBias - pTZinfo->DaylightBias )
199 * (LONGLONG)600000000;
200 LL2FILETIME( llTime, &ftTemp)
201 FileTimeToSystemTime(lpFileTime, &SysTime);
204 ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->DaylightDate);
206 return TIME_ZONE_ID_INVALID;
208 afterDaylightDate = ret >= 0;
210 retval = TIME_ZONE_ID_STANDARD;
211 if( pTZinfo->DaylightDate.wMonth < pTZinfo->StandardDate.wMonth ) {
212 /* Northern hemisphere */
213 if( beforeStandardDate && afterDaylightDate )
214 retval = TIME_ZONE_ID_DAYLIGHT;
215 } else /* Down south */
216 if( beforeStandardDate || afterDaylightDate )
217 retval = TIME_ZONE_ID_DAYLIGHT;
219 /* No transition date */
220 retval = TIME_ZONE_ID_UNKNOWN;
225 /***********************************************************************
228 * Calculates whether daylight saving is on now.
231 * pTzi [in] Timezone info.
234 * TIME_ZONE_ID_INVALID An error occurred
235 * TIME_ZONE_ID_UNKNOWN There are no transition time known
236 * TIME_ZONE_ID_STANDARD Current time is standard time
237 * TIME_ZONE_ID_DAYLIGHT Current time is dayligh saving time
239 static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi )
242 GetSystemTimeAsFileTime( &ftTime);
243 return TIME_CompTimeZoneID( pTzi, &ftTime, FALSE);
246 /***********************************************************************
247 * TIME_GetTimezoneBias
249 * Calculates the local time bias for a given time zone.
252 * pTZinfo [in] The time zone data.
253 * lpFileTime [in] The system or local time.
254 * islocal [in] It is local time.
255 * pBias [out] The calculated bias in minutes.
258 * TRUE when the time zone bias was calculated.
260 static BOOL TIME_GetTimezoneBias( const TIME_ZONE_INFORMATION *pTZinfo,
261 FILETIME *lpFileTime, BOOL islocal, LONG *pBias )
263 LONG bias = pTZinfo->Bias;
264 DWORD tzid = TIME_CompTimeZoneID( pTZinfo, lpFileTime, islocal);
266 if( tzid == TIME_ZONE_ID_INVALID)
268 if (tzid == TIME_ZONE_ID_DAYLIGHT)
269 bias += pTZinfo->DaylightBias;
270 else if (tzid == TIME_ZONE_ID_STANDARD)
271 bias += pTZinfo->StandardBias;
277 /***********************************************************************
278 * SetLocalTime (KERNEL32.@)
280 * Set the local time using current time zone and daylight
284 * systime [in] The desired local time.
287 * Success: TRUE. The time was set.
288 * Failure: FALSE, if the time was invalid or caller does not have
289 * permission to change the time.
291 BOOL WINAPI SetLocalTime( const SYSTEMTIME *systime )
294 LARGE_INTEGER st, st2;
297 if( !SystemTimeToFileTime( systime, &ft ))
299 st.u.LowPart = ft.dwLowDateTime;
300 st.u.HighPart = ft.dwHighDateTime;
301 RtlLocalTimeToSystemTime( &st, &st2 );
303 if ((status = NtSetSystemTime(&st2, NULL)))
304 SetLastError( RtlNtStatusToDosError(status) );
309 /***********************************************************************
310 * GetSystemTimeAdjustment (KERNEL32.@)
312 * Get the period between clock interrupts and the amount the clock
313 * is adjusted each interrupt so as to keep it in sync with an external source.
316 * lpTimeAdjustment [out] The clock adjustment per interrupt in 100's of nanoseconds.
317 * lpTimeIncrement [out] The time between clock interrupts in 100's of nanoseconds.
318 * lpTimeAdjustmentDisabled [out] The clock synchronisation has been disabled.
324 * Only the special case of disabled time adjustments is supported.
326 BOOL WINAPI GetSystemTimeAdjustment( PDWORD lpTimeAdjustment, PDWORD lpTimeIncrement,
327 PBOOL lpTimeAdjustmentDisabled )
329 *lpTimeAdjustment = 0;
330 *lpTimeIncrement = 0;
331 *lpTimeAdjustmentDisabled = TRUE;
336 /***********************************************************************
337 * SetSystemTime (KERNEL32.@)
339 * Set the system time in utc.
342 * systime [in] The desired system time.
345 * Success: TRUE. The time was set.
346 * Failure: FALSE, if the time was invalid or caller does not have
347 * permission to change the time.
349 BOOL WINAPI SetSystemTime( const SYSTEMTIME *systime )
355 if( !SystemTimeToFileTime( systime, &ft ))
357 t.u.LowPart = ft.dwLowDateTime;
358 t.u.HighPart = ft.dwHighDateTime;
359 if ((status = NtSetSystemTime(&t, NULL)))
360 SetLastError( RtlNtStatusToDosError(status) );
364 /***********************************************************************
365 * SetSystemTimeAdjustment (KERNEL32.@)
367 * Enables or disables the timing adjustments to the system's clock.
370 * dwTimeAdjustment [in] Number of units to add per clock interrupt.
371 * bTimeAdjustmentDisabled [in] Adjustment mode.
377 BOOL WINAPI SetSystemTimeAdjustment( DWORD dwTimeAdjustment, BOOL bTimeAdjustmentDisabled )
379 /* Fake function for now... */
380 FIXME("(%08x,%d): stub !\n", dwTimeAdjustment, bTimeAdjustmentDisabled);
384 /***********************************************************************
385 * GetTimeZoneInformation (KERNEL32.@)
387 * Get information about the current local time zone.
390 * tzinfo [out] Destination for time zone information.
393 * TIME_ZONE_ID_INVALID An error occurred
394 * TIME_ZONE_ID_UNKNOWN There are no transition time known
395 * TIME_ZONE_ID_STANDARD Current time is standard time
396 * TIME_ZONE_ID_DAYLIGHT Current time is dayligh saving time
398 DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION tzinfo )
402 status = RtlQueryTimeZoneInformation( (RTL_TIME_ZONE_INFORMATION*)tzinfo );
403 if ( status != STATUS_SUCCESS )
405 SetLastError( RtlNtStatusToDosError(status) );
406 return TIME_ZONE_ID_INVALID;
408 return TIME_ZoneID( tzinfo );
411 /***********************************************************************
412 * SetTimeZoneInformation (KERNEL32.@)
414 * Change the settings of the current local time zone.
417 * tzinfo [in] The new time zone.
420 * Success: TRUE. The time zone was updated with the settings from tzinfo.
423 BOOL WINAPI SetTimeZoneInformation( const TIME_ZONE_INFORMATION *tzinfo )
426 status = RtlSetTimeZoneInformation( (const RTL_TIME_ZONE_INFORMATION *)tzinfo );
427 if ( status != STATUS_SUCCESS )
428 SetLastError( RtlNtStatusToDosError(status) );
432 /***********************************************************************
433 * SystemTimeToTzSpecificLocalTime (KERNEL32.@)
435 * Convert a utc system time to a local time in a given time zone.
438 * lpTimeZoneInformation [in] The desired time zone.
439 * lpUniversalTime [in] The utc time to base local time on.
440 * lpLocalTime [out] The local time in the time zone.
443 * Success: TRUE. lpLocalTime contains the converted time
447 BOOL WINAPI SystemTimeToTzSpecificLocalTime(
448 LPTIME_ZONE_INFORMATION lpTimeZoneInformation,
449 LPSYSTEMTIME lpUniversalTime, LPSYSTEMTIME lpLocalTime )
454 TIME_ZONE_INFORMATION tzinfo;
456 if (lpTimeZoneInformation != NULL)
458 memcpy(&tzinfo, lpTimeZoneInformation, sizeof(TIME_ZONE_INFORMATION));
462 if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
466 if (!SystemTimeToFileTime(lpUniversalTime, &ft))
468 FILETIME2LL( &ft, llTime)
469 if (!TIME_GetTimezoneBias(&tzinfo, &ft, FALSE, &lBias))
471 /* convert minutes to 100-nanoseconds-ticks */
472 llTime -= (LONGLONG)lBias * 600000000;
473 LL2FILETIME( llTime, &ft)
475 return FileTimeToSystemTime(&ft, lpLocalTime);
479 /***********************************************************************
480 * TzSpecificLocalTimeToSystemTime (KERNEL32.@)
482 * Converts a local time to a time in utc.
485 * lpTimeZoneInformation [in] The desired time zone.
486 * lpLocalTime [in] The local time.
487 * lpUniversalTime [out] The calculated utc time.
490 * Success: TRUE. lpUniversalTime contains the converted time.
493 BOOL WINAPI TzSpecificLocalTimeToSystemTime(
494 LPTIME_ZONE_INFORMATION lpTimeZoneInformation,
495 LPSYSTEMTIME lpLocalTime, LPSYSTEMTIME lpUniversalTime)
500 TIME_ZONE_INFORMATION tzinfo;
502 if (lpTimeZoneInformation != NULL)
504 memcpy(&tzinfo, lpTimeZoneInformation, sizeof(TIME_ZONE_INFORMATION));
508 if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
512 if (!SystemTimeToFileTime(lpLocalTime, &ft))
515 if (!TIME_GetTimezoneBias(&tzinfo, &ft, TRUE, &lBias))
517 /* convert minutes to 100-nanoseconds-ticks */
518 t += (LONGLONG)lBias * 600000000;
520 return FileTimeToSystemTime(&ft, lpUniversalTime);
524 /***********************************************************************
525 * GetSystemTimeAsFileTime (KERNEL32.@)
527 * Get the current time in utc format.
532 VOID WINAPI GetSystemTimeAsFileTime(
533 LPFILETIME time) /* [out] Destination for the current utc time */
536 NtQuerySystemTime( &t );
537 time->dwLowDateTime = t.u.LowPart;
538 time->dwHighDateTime = t.u.HighPart;
542 /*********************************************************************
543 * TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998)
545 * Used by GetProcessTimes to convert clock_t into FILETIME.
547 * Differences to UnixTimeToFileTime:
548 * 1) Divided by CLK_TCK
549 * 2) Time is relative. There is no 'starting date', so there is
550 * no need for offset correction, like in UnixTimeToFileTime
553 # define CLK_TCK CLOCKS_PER_SEC
555 static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
557 ULONGLONG secs = RtlEnlargedUnsignedMultiply( unix_time, 10000000 );
558 secs = RtlExtendedLargeIntegerDivide( secs, CLK_TCK, NULL );
559 filetime->dwLowDateTime = (DWORD)secs;
560 filetime->dwHighDateTime = (DWORD)(secs >> 32);
563 /*********************************************************************
564 * GetProcessTimes (KERNEL32.@)
566 * Get the user and kernel execution times of a process,
567 * along with the creation and exit times if known.
570 * hprocess [in] The process to be queried.
571 * lpCreationTime [out] The creation time of the process.
572 * lpExitTime [out] The exit time of the process if exited.
573 * lpKernelTime [out] The time spent in kernel routines in 100's of nanoseconds.
574 * lpUserTime [out] The time spent in user routines in 100's of nanoseconds.
581 * Would be nice to subtract the cpu time used by Wine at startup.
582 * Also, there is a need to separate times used by different applications.
585 * KernelTime and UserTime are always for the current process
587 BOOL WINAPI GetProcessTimes( HANDLE hprocess, LPFILETIME lpCreationTime,
588 LPFILETIME lpExitTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime )
591 KERNEL_USER_TIMES pti;
594 TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
595 TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
596 if (NtQueryInformationProcess( hprocess, ProcessTimes, &pti, sizeof(pti), NULL))
598 LL2FILETIME( pti.CreateTime.QuadPart, lpCreationTime);
599 LL2FILETIME( pti.ExitTime.QuadPart, lpExitTime);
603 /*********************************************************************
604 * GetCalendarInfoA (KERNEL32.@)
607 int WINAPI GetCalendarInfoA(LCID lcid, CALID Calendar, CALTYPE CalType,
608 LPSTR lpCalData, int cchData, LPDWORD lpValue)
611 LPWSTR lpCalDataW = NULL;
613 if (NLS_IsUnicodeOnlyLcid(lcid))
615 SetLastError(ERROR_INVALID_PARAMETER);
620 !(lpCalDataW = HeapAlloc(GetProcessHeap(), 0, cchData*sizeof(WCHAR))))
623 ret = GetCalendarInfoW(lcid, Calendar, CalType, lpCalDataW, cchData, lpValue);
624 if(ret && lpCalDataW && lpCalData)
625 WideCharToMultiByte(CP_ACP, 0, lpCalDataW, cchData, lpCalData, cchData, NULL, NULL);
626 HeapFree(GetProcessHeap(), 0, lpCalDataW);
631 /*********************************************************************
632 * GetCalendarInfoW (KERNEL32.@)
635 int WINAPI GetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType,
636 LPWSTR lpCalData, int cchData, LPDWORD lpValue)
638 if (CalType & CAL_NOUSEROVERRIDE)
639 FIXME("flag CAL_NOUSEROVERRIDE used, not fully implemented\n");
640 if (CalType & CAL_USE_CP_ACP)
641 FIXME("flag CAL_USE_CP_ACP used, not fully implemented\n");
643 if (CalType & CAL_RETURN_NUMBER) {
644 if (lpCalData != NULL)
645 WARN("lpCalData not NULL (%p) when it should!\n", lpCalData);
647 WARN("cchData not 0 (%d) when it should!\n", cchData);
650 WARN("lpValue not NULL (%p) when it should!\n", lpValue);
653 /* FIXME: No verification is made yet wrt Locale
654 * for the CALTYPES not requiring GetLocaleInfoA */
655 switch (CalType & ~(CAL_NOUSEROVERRIDE|CAL_RETURN_NUMBER|CAL_USE_CP_ACP)) {
656 case CAL_ICALINTVALUE:
657 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
660 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
662 case CAL_IYEAROFFSETRANGE:
663 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
666 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
669 return GetLocaleInfoW(Locale, LOCALE_SSHORTDATE, lpCalData, cchData);
671 return GetLocaleInfoW(Locale, LOCALE_SLONGDATE, lpCalData, cchData);
673 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME1, lpCalData, cchData);
675 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME2, lpCalData, cchData);
677 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME3, lpCalData, cchData);
679 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME4, lpCalData, cchData);
681 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME5, lpCalData, cchData);
683 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME6, lpCalData, cchData);
685 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME7, lpCalData, cchData);
686 case CAL_SABBREVDAYNAME1:
687 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME1, lpCalData, cchData);
688 case CAL_SABBREVDAYNAME2:
689 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME2, lpCalData, cchData);
690 case CAL_SABBREVDAYNAME3:
691 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME3, lpCalData, cchData);
692 case CAL_SABBREVDAYNAME4:
693 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME4, lpCalData, cchData);
694 case CAL_SABBREVDAYNAME5:
695 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME5, lpCalData, cchData);
696 case CAL_SABBREVDAYNAME6:
697 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME6, lpCalData, cchData);
698 case CAL_SABBREVDAYNAME7:
699 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME7, lpCalData, cchData);
700 case CAL_SMONTHNAME1:
701 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME1, lpCalData, cchData);
702 case CAL_SMONTHNAME2:
703 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME2, lpCalData, cchData);
704 case CAL_SMONTHNAME3:
705 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME3, lpCalData, cchData);
706 case CAL_SMONTHNAME4:
707 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME4, lpCalData, cchData);
708 case CAL_SMONTHNAME5:
709 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME5, lpCalData, cchData);
710 case CAL_SMONTHNAME6:
711 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME6, lpCalData, cchData);
712 case CAL_SMONTHNAME7:
713 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME7, lpCalData, cchData);
714 case CAL_SMONTHNAME8:
715 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME8, lpCalData, cchData);
716 case CAL_SMONTHNAME9:
717 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME9, lpCalData, cchData);
718 case CAL_SMONTHNAME10:
719 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME10, lpCalData, cchData);
720 case CAL_SMONTHNAME11:
721 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME11, lpCalData, cchData);
722 case CAL_SMONTHNAME12:
723 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME12, lpCalData, cchData);
724 case CAL_SMONTHNAME13:
725 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME13, lpCalData, cchData);
726 case CAL_SABBREVMONTHNAME1:
727 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME1, lpCalData, cchData);
728 case CAL_SABBREVMONTHNAME2:
729 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME2, lpCalData, cchData);
730 case CAL_SABBREVMONTHNAME3:
731 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME3, lpCalData, cchData);
732 case CAL_SABBREVMONTHNAME4:
733 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME4, lpCalData, cchData);
734 case CAL_SABBREVMONTHNAME5:
735 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME5, lpCalData, cchData);
736 case CAL_SABBREVMONTHNAME6:
737 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME6, lpCalData, cchData);
738 case CAL_SABBREVMONTHNAME7:
739 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME7, lpCalData, cchData);
740 case CAL_SABBREVMONTHNAME8:
741 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME8, lpCalData, cchData);
742 case CAL_SABBREVMONTHNAME9:
743 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME9, lpCalData, cchData);
744 case CAL_SABBREVMONTHNAME10:
745 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME10, lpCalData, cchData);
746 case CAL_SABBREVMONTHNAME11:
747 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME11, lpCalData, cchData);
748 case CAL_SABBREVMONTHNAME12:
749 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME12, lpCalData, cchData);
750 case CAL_SABBREVMONTHNAME13:
751 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME13, lpCalData, cchData);
753 return GetLocaleInfoW(Locale, LOCALE_SYEARMONTH, lpCalData, cchData);
754 case CAL_ITWODIGITYEARMAX:
755 if (lpValue) *lpValue = CALINFO_MAX_YEAR;
757 default: MESSAGE("Unknown caltype %d\n",CalType & 0xffff);
763 /*********************************************************************
764 * SetCalendarInfoA (KERNEL32.@)
767 int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
769 FIXME("(%08x,%08x,%08x,%s): stub\n",
770 Locale, Calendar, CalType, debugstr_a(lpCalData));
774 /*********************************************************************
775 * SetCalendarInfoW (KERNEL32.@)
779 int WINAPI SetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPCWSTR lpCalData)
781 FIXME("(%08x,%08x,%08x,%s): stub\n",
782 Locale, Calendar, CalType, debugstr_w(lpCalData));
786 /*********************************************************************
787 * LocalFileTimeToFileTime (KERNEL32.@)
789 BOOL WINAPI LocalFileTimeToFileTime( const FILETIME *localft, LPFILETIME utcft )
792 LARGE_INTEGER local, utc;
794 local.u.LowPart = localft->dwLowDateTime;
795 local.u.HighPart = localft->dwHighDateTime;
796 if (!(status = RtlLocalTimeToSystemTime( &local, &utc )))
798 utcft->dwLowDateTime = utc.u.LowPart;
799 utcft->dwHighDateTime = utc.u.HighPart;
801 else SetLastError( RtlNtStatusToDosError(status) );
806 /*********************************************************************
807 * FileTimeToLocalFileTime (KERNEL32.@)
809 BOOL WINAPI FileTimeToLocalFileTime( const FILETIME *utcft, LPFILETIME localft )
812 LARGE_INTEGER local, utc;
814 utc.u.LowPart = utcft->dwLowDateTime;
815 utc.u.HighPart = utcft->dwHighDateTime;
816 if (!(status = RtlSystemTimeToLocalTime( &utc, &local )))
818 localft->dwLowDateTime = local.u.LowPart;
819 localft->dwHighDateTime = local.u.HighPart;
821 else SetLastError( RtlNtStatusToDosError(status) );
826 /*********************************************************************
827 * FileTimeToSystemTime (KERNEL32.@)
829 BOOL WINAPI FileTimeToSystemTime( const FILETIME *ft, LPSYSTEMTIME syst )
834 t.u.LowPart = ft->dwLowDateTime;
835 t.u.HighPart = ft->dwHighDateTime;
836 RtlTimeToTimeFields(&t, &tf);
838 syst->wYear = tf.Year;
839 syst->wMonth = tf.Month;
841 syst->wHour = tf.Hour;
842 syst->wMinute = tf.Minute;
843 syst->wSecond = tf.Second;
844 syst->wMilliseconds = tf.Milliseconds;
845 syst->wDayOfWeek = tf.Weekday;
849 /*********************************************************************
850 * SystemTimeToFileTime (KERNEL32.@)
852 BOOL WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, LPFILETIME ft )
857 tf.Year = syst->wYear;
858 tf.Month = syst->wMonth;
860 tf.Hour = syst->wHour;
861 tf.Minute = syst->wMinute;
862 tf.Second = syst->wSecond;
863 tf.Milliseconds = syst->wMilliseconds;
865 if( !RtlTimeFieldsToTime(&tf, &t)) {
866 SetLastError( ERROR_INVALID_PARAMETER);
869 ft->dwLowDateTime = t.u.LowPart;
870 ft->dwHighDateTime = t.u.HighPart;
874 /*********************************************************************
875 * CompareFileTime (KERNEL32.@)
877 * Compare two FILETIME's to each other.
881 * y [I] time to compare to x
884 * -1, 0, or 1 indicating that x is less than, equal to, or greater
885 * than y respectively.
887 INT WINAPI CompareFileTime( const FILETIME *x, const FILETIME *y )
889 if (!x || !y) return -1;
891 if (x->dwHighDateTime > y->dwHighDateTime)
893 if (x->dwHighDateTime < y->dwHighDateTime)
895 if (x->dwLowDateTime > y->dwLowDateTime)
897 if (x->dwLowDateTime < y->dwLowDateTime)
902 /*********************************************************************
903 * GetLocalTime (KERNEL32.@)
905 * Get the current local time.
908 * systime [O] Destination for current time.
913 VOID WINAPI GetLocalTime(LPSYSTEMTIME systime)
916 LARGE_INTEGER ft, ft2;
918 NtQuerySystemTime(&ft);
919 RtlSystemTimeToLocalTime(&ft, &ft2);
920 lft.dwLowDateTime = ft2.u.LowPart;
921 lft.dwHighDateTime = ft2.u.HighPart;
922 FileTimeToSystemTime(&lft, systime);
925 /*********************************************************************
926 * GetSystemTime (KERNEL32.@)
928 * Get the current system time.
931 * systime [O] Destination for current time.
936 VOID WINAPI GetSystemTime(LPSYSTEMTIME systime)
941 NtQuerySystemTime(&t);
942 ft.dwLowDateTime = t.u.LowPart;
943 ft.dwHighDateTime = t.u.HighPart;
944 FileTimeToSystemTime(&ft, systime);
947 /*********************************************************************
948 * GetDaylightFlag (KERNEL32.@)
950 * Specifies if daylight saving time is in operation.
953 * This function is called from the Win98's control applet timedate.cpl.
956 * TRUE if daylight saving time is in operation.
959 BOOL WINAPI GetDaylightFlag(void)
961 TIME_ZONE_INFORMATION tzinfo;
962 return GetTimeZoneInformation( &tzinfo) == TIME_ZONE_ID_DAYLIGHT;
965 /***********************************************************************
966 * DosDateTimeToFileTime (KERNEL32.@)
968 BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
976 newtm.tm_sec = (fattime & 0x1f) * 2;
977 newtm.tm_min = (fattime >> 5) & 0x3f;
978 newtm.tm_hour = (fattime >> 11);
979 newtm.tm_mday = (fatdate & 0x1f);
980 newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
981 newtm.tm_year = (fatdate >> 9) + 80;
984 RtlSecondsSince1970ToTime( timegm(&newtm), (LARGE_INTEGER *)ft );
986 time1 = mktime(&newtm);
987 gtm = gmtime(&time1);
989 RtlSecondsSince1970ToTime( 2*time1-time2, (LARGE_INTEGER *)ft );
995 /***********************************************************************
996 * FileTimeToDosDateTime (KERNEL32.@)
998 BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
1006 li.u.LowPart = ft->dwLowDateTime;
1007 li.u.HighPart = ft->dwHighDateTime;
1008 RtlTimeToSecondsSince1970( &li, &t );
1010 tm = gmtime( &unixtime );
1012 *fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
1014 *fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5)