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 #define CALINFO_MAX_YEAR 2029
57 #define LL2FILETIME( ll, pft )\
58 (pft)->dwLowDateTime = (UINT)(ll); \
59 (pft)->dwHighDateTime = (UINT)((ll) >> 32);
60 #define FILETIME2LL( pft, ll) \
61 ll = (((LONGLONG)((pft)->dwHighDateTime))<<32) + (pft)-> dwLowDateTime ;
64 static const int MonthLengths[2][12] =
66 { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
67 { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
70 static inline int IsLeapYear(int Year)
72 return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) ? 1 : 0;
75 /***********************************************************************
76 * TIME_DayLightCompareDate
78 * Compares two dates without looking at the year.
81 * date [in] The local time to compare.
82 * compareDate [in] The daylight savings begin or end date.
86 * -1 if date < compareDate
87 * 0 if date == compareDate
88 * 1 if date > compareDate
89 * -2 if an error occurs
91 static int TIME_DayLightCompareDate( const SYSTEMTIME *date,
92 const SYSTEMTIME *compareDate )
94 int limit_day, dayinsecs;
96 if (date->wMonth < compareDate->wMonth)
97 return -1; /* We are in a month before the date limit. */
99 if (date->wMonth > compareDate->wMonth)
100 return 1; /* We are in a month after the date limit. */
102 /* if year is 0 then date is in day-of-week format, otherwise
103 * it's absolute date.
105 if (compareDate->wYear == 0)
108 /* compareDate->wDay is interpreted as number of the week in the month
109 * 5 means: the last week in the month */
110 int weekofmonth = compareDate->wDay;
111 /* calculate the day of the first DayOfWeek in the month */
112 First = ( 6 + compareDate->wDayOfWeek - date->wDayOfWeek + date->wDay
114 limit_day = First + 7 * (weekofmonth - 1);
115 /* check needed for the 5th weekday of the month */
116 if(limit_day > MonthLengths[date->wMonth==2 && IsLeapYear(date->wYear)]
122 limit_day = compareDate->wDay;
125 /* convert to seconds */
126 limit_day = ((limit_day * 24 + compareDate->wHour) * 60 +
127 compareDate->wMinute ) * 60;
128 dayinsecs = ((date->wDay * 24 + date->wHour) * 60 +
129 date->wMinute ) * 60 + date->wSecond;
131 return dayinsecs < limit_day ? -1 :
132 dayinsecs > limit_day ? 1 :
133 0; /* date is equal to the date limit. */
136 /***********************************************************************
137 * TIME_CompTimeZoneID
139 * Computes the local time bias for a given time and time zone.
142 * pTZinfo [in] The time zone data.
143 * lpFileTime [in] The system or local time.
144 * islocal [in] it is local time.
147 * TIME_ZONE_ID_INVALID An error occurred
148 * TIME_ZONE_ID_UNKNOWN There are no transition time known
149 * TIME_ZONE_ID_STANDARD Current time is standard time
150 * TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
152 static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo,
153 FILETIME *lpFileTime, BOOL islocal )
156 BOOL beforeStandardDate, afterDaylightDate;
157 DWORD retval = TIME_ZONE_ID_INVALID;
158 LONGLONG llTime = 0; /* initialized to prevent gcc complaining */
162 if (pTZinfo->DaylightDate.wMonth != 0)
164 /* if year is 0 then date is in day-of-week format, otherwise
165 * it's absolute date.
167 if (pTZinfo->StandardDate.wMonth == 0 ||
168 (pTZinfo->StandardDate.wYear == 0 &&
169 (pTZinfo->StandardDate.wDay<1 ||
170 pTZinfo->StandardDate.wDay>5 ||
171 pTZinfo->DaylightDate.wDay<1 ||
172 pTZinfo->DaylightDate.wDay>5)))
174 SetLastError(ERROR_INVALID_PARAMETER);
175 return TIME_ZONE_ID_INVALID;
179 FILETIME2LL( lpFileTime, llTime );
180 llTime -= ( pTZinfo->Bias + pTZinfo->DaylightBias )
181 * (LONGLONG)600000000;
182 LL2FILETIME( llTime, &ftTemp)
183 lpFileTime = &ftTemp;
186 FileTimeToSystemTime(lpFileTime, &SysTime);
188 /* check for daylight savings */
189 ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->StandardDate);
191 return TIME_ZONE_ID_INVALID;
193 beforeStandardDate = ret < 0;
196 llTime -= ( pTZinfo->StandardBias - pTZinfo->DaylightBias )
197 * (LONGLONG)600000000;
198 LL2FILETIME( llTime, &ftTemp)
199 FileTimeToSystemTime(lpFileTime, &SysTime);
202 ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->DaylightDate);
204 return TIME_ZONE_ID_INVALID;
206 afterDaylightDate = ret >= 0;
208 retval = TIME_ZONE_ID_STANDARD;
209 if( pTZinfo->DaylightDate.wMonth < pTZinfo->StandardDate.wMonth ) {
210 /* Northern hemisphere */
211 if( beforeStandardDate && afterDaylightDate )
212 retval = TIME_ZONE_ID_DAYLIGHT;
213 } else /* Down south */
214 if( beforeStandardDate || afterDaylightDate )
215 retval = TIME_ZONE_ID_DAYLIGHT;
217 /* No transition date */
218 retval = TIME_ZONE_ID_UNKNOWN;
223 /***********************************************************************
226 * Calculates whether daylight savings is on now.
229 * pTzi [in] Timezone info.
232 * TIME_ZONE_ID_INVALID An error occurred
233 * TIME_ZONE_ID_UNKNOWN There are no transition time known
234 * TIME_ZONE_ID_STANDARD Current time is standard time
235 * TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
237 static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi )
240 GetSystemTimeAsFileTime( &ftTime);
241 return TIME_CompTimeZoneID( pTzi, &ftTime, FALSE);
244 /***********************************************************************
245 * TIME_GetTimezoneBias
247 * Calculates the local time bias for a given time zone.
250 * pTZinfo [in] The time zone data.
251 * lpFileTime [in] The system or local time.
252 * islocal [in] It is local time.
253 * pBias [out] The calculated bias in minutes.
256 * TRUE when the time zone bias was calculated.
258 static BOOL TIME_GetTimezoneBias( const TIME_ZONE_INFORMATION *pTZinfo,
259 FILETIME *lpFileTime, BOOL islocal, LONG *pBias )
261 LONG bias = pTZinfo->Bias;
262 DWORD tzid = TIME_CompTimeZoneID( pTZinfo, lpFileTime, islocal);
264 if( tzid == TIME_ZONE_ID_INVALID)
266 if (tzid == TIME_ZONE_ID_DAYLIGHT)
267 bias += pTZinfo->DaylightBias;
268 else if (tzid == TIME_ZONE_ID_STANDARD)
269 bias += pTZinfo->StandardBias;
275 /***********************************************************************
276 * SetLocalTime (KERNEL32.@)
278 * Set the local time using current time zone and daylight
282 * systime [in] The desired local time.
285 * Success: TRUE. The time was set.
286 * Failure: FALSE, if the time was invalid or caller does not have
287 * permission to change the time.
289 BOOL WINAPI SetLocalTime( const SYSTEMTIME *systime )
292 LARGE_INTEGER st, st2;
295 if( !SystemTimeToFileTime( systime, &ft ))
297 st.u.LowPart = ft.dwLowDateTime;
298 st.u.HighPart = ft.dwHighDateTime;
299 RtlLocalTimeToSystemTime( &st, &st2 );
301 if ((status = NtSetSystemTime(&st2, NULL)))
302 SetLastError( RtlNtStatusToDosError(status) );
307 /***********************************************************************
308 * GetSystemTimeAdjustment (KERNEL32.@)
310 * Get the period between clock interrupts and the amount the clock
311 * is adjusted each interrupt so as to keep it in sync with an external source.
314 * lpTimeAdjustment [out] The clock adjustment per interrupt in 100's of nanoseconds.
315 * lpTimeIncrement [out] The time between clock interrupts in 100's of nanoseconds.
316 * lpTimeAdjustmentDisabled [out] The clock synchronisation has been disabled.
322 * Only the special case of disabled time adjustments is supported.
324 BOOL WINAPI GetSystemTimeAdjustment( PDWORD lpTimeAdjustment, PDWORD lpTimeIncrement,
325 PBOOL lpTimeAdjustmentDisabled )
327 *lpTimeAdjustment = 0;
328 *lpTimeIncrement = 10000000 / sysconf(_SC_CLK_TCK);
329 *lpTimeAdjustmentDisabled = TRUE;
334 /***********************************************************************
335 * SetSystemTime (KERNEL32.@)
337 * Set the system time in utc.
340 * systime [in] The desired system time.
343 * Success: TRUE. The time was set.
344 * Failure: FALSE, if the time was invalid or caller does not have
345 * permission to change the time.
347 BOOL WINAPI SetSystemTime( const SYSTEMTIME *systime )
353 if( !SystemTimeToFileTime( systime, &ft ))
355 t.u.LowPart = ft.dwLowDateTime;
356 t.u.HighPart = ft.dwHighDateTime;
357 if ((status = NtSetSystemTime(&t, NULL)))
358 SetLastError( RtlNtStatusToDosError(status) );
362 /***********************************************************************
363 * SetSystemTimeAdjustment (KERNEL32.@)
365 * Enables or disables the timing adjustments to the system's clock.
368 * dwTimeAdjustment [in] Number of units to add per clock interrupt.
369 * bTimeAdjustmentDisabled [in] Adjustment mode.
375 BOOL WINAPI SetSystemTimeAdjustment( DWORD dwTimeAdjustment, BOOL bTimeAdjustmentDisabled )
377 /* Fake function for now... */
378 FIXME("(%08x,%d): stub !\n", dwTimeAdjustment, bTimeAdjustmentDisabled);
382 /***********************************************************************
383 * GetTimeZoneInformation (KERNEL32.@)
385 * Get information about the current local time zone.
388 * tzinfo [out] Destination for time zone information.
391 * TIME_ZONE_ID_INVALID An error occurred
392 * TIME_ZONE_ID_UNKNOWN There are no transition time known
393 * TIME_ZONE_ID_STANDARD Current time is standard time
394 * TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
396 DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION tzinfo )
400 status = RtlQueryTimeZoneInformation( (RTL_TIME_ZONE_INFORMATION*)tzinfo );
401 if ( status != STATUS_SUCCESS )
403 SetLastError( RtlNtStatusToDosError(status) );
404 return TIME_ZONE_ID_INVALID;
406 return TIME_ZoneID( tzinfo );
409 /***********************************************************************
410 * SetTimeZoneInformation (KERNEL32.@)
412 * Change the settings of the current local time zone.
415 * tzinfo [in] The new time zone.
418 * Success: TRUE. The time zone was updated with the settings from tzinfo.
421 BOOL WINAPI SetTimeZoneInformation( const TIME_ZONE_INFORMATION *tzinfo )
424 status = RtlSetTimeZoneInformation( (const RTL_TIME_ZONE_INFORMATION *)tzinfo );
425 if ( status != STATUS_SUCCESS )
426 SetLastError( RtlNtStatusToDosError(status) );
430 /***********************************************************************
431 * SystemTimeToTzSpecificLocalTime (KERNEL32.@)
433 * Convert a utc system time to a local time in a given time zone.
436 * lpTimeZoneInformation [in] The desired time zone.
437 * lpUniversalTime [in] The utc time to base local time on.
438 * lpLocalTime [out] The local time in the time zone.
441 * Success: TRUE. lpLocalTime contains the converted time
445 BOOL WINAPI SystemTimeToTzSpecificLocalTime(
446 const TIME_ZONE_INFORMATION *lpTimeZoneInformation,
447 const SYSTEMTIME *lpUniversalTime, LPSYSTEMTIME lpLocalTime )
452 TIME_ZONE_INFORMATION tzinfo;
454 if (lpTimeZoneInformation != NULL)
456 tzinfo = *lpTimeZoneInformation;
460 if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
464 if (!SystemTimeToFileTime(lpUniversalTime, &ft))
466 FILETIME2LL( &ft, llTime)
467 if (!TIME_GetTimezoneBias(&tzinfo, &ft, FALSE, &lBias))
469 /* convert minutes to 100-nanoseconds-ticks */
470 llTime -= (LONGLONG)lBias * 600000000;
471 LL2FILETIME( llTime, &ft)
473 return FileTimeToSystemTime(&ft, lpLocalTime);
477 /***********************************************************************
478 * TzSpecificLocalTimeToSystemTime (KERNEL32.@)
480 * Converts a local time to a time in utc.
483 * lpTimeZoneInformation [in] The desired time zone.
484 * lpLocalTime [in] The local time.
485 * lpUniversalTime [out] The calculated utc time.
488 * Success: TRUE. lpUniversalTime contains the converted time.
491 BOOL WINAPI TzSpecificLocalTimeToSystemTime(
492 const TIME_ZONE_INFORMATION *lpTimeZoneInformation,
493 const SYSTEMTIME *lpLocalTime, LPSYSTEMTIME lpUniversalTime)
498 TIME_ZONE_INFORMATION tzinfo;
500 if (lpTimeZoneInformation != NULL)
502 tzinfo = *lpTimeZoneInformation;
506 if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
510 if (!SystemTimeToFileTime(lpLocalTime, &ft))
513 if (!TIME_GetTimezoneBias(&tzinfo, &ft, TRUE, &lBias))
515 /* convert minutes to 100-nanoseconds-ticks */
516 t += (LONGLONG)lBias * 600000000;
518 return FileTimeToSystemTime(&ft, lpUniversalTime);
522 /***********************************************************************
523 * GetSystemTimeAsFileTime (KERNEL32.@)
525 * Get the current time in utc format.
530 VOID WINAPI GetSystemTimeAsFileTime(
531 LPFILETIME time) /* [out] Destination for the current utc time */
534 NtQuerySystemTime( &t );
535 time->dwLowDateTime = t.u.LowPart;
536 time->dwHighDateTime = t.u.HighPart;
540 /*********************************************************************
541 * TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998)
543 * Used by GetProcessTimes to convert clock_t into FILETIME.
545 * Differences to UnixTimeToFileTime:
546 * 1) Divided by CLK_TCK
547 * 2) Time is relative. There is no 'starting date', so there is
548 * no need for offset correction, like in UnixTimeToFileTime
550 static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
552 long clocksPerSec = sysconf(_SC_CLK_TCK);
553 ULONGLONG secs = (ULONGLONG)unix_time * 10000000 / clocksPerSec;
554 filetime->dwLowDateTime = (DWORD)secs;
555 filetime->dwHighDateTime = (DWORD)(secs >> 32);
558 /*********************************************************************
559 * GetProcessTimes (KERNEL32.@)
561 * Get the user and kernel execution times of a process,
562 * along with the creation and exit times if known.
565 * hprocess [in] The process to be queried.
566 * lpCreationTime [out] The creation time of the process.
567 * lpExitTime [out] The exit time of the process if exited.
568 * lpKernelTime [out] The time spent in kernel routines in 100's of nanoseconds.
569 * lpUserTime [out] The time spent in user routines in 100's of nanoseconds.
576 * Would be nice to subtract the cpu time used by Wine at startup.
577 * Also, there is a need to separate times used by different applications.
580 * KernelTime and UserTime are always for the current process
582 BOOL WINAPI GetProcessTimes( HANDLE hprocess, LPFILETIME lpCreationTime,
583 LPFILETIME lpExitTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime )
586 KERNEL_USER_TIMES pti;
589 TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
590 TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
591 if (NtQueryInformationProcess( hprocess, ProcessTimes, &pti, sizeof(pti), NULL))
593 LL2FILETIME( pti.CreateTime.QuadPart, lpCreationTime);
594 LL2FILETIME( pti.ExitTime.QuadPart, lpExitTime);
598 /*********************************************************************
599 * GetCalendarInfoA (KERNEL32.@)
602 int WINAPI GetCalendarInfoA(LCID lcid, CALID Calendar, CALTYPE CalType,
603 LPSTR lpCalData, int cchData, LPDWORD lpValue)
606 LPWSTR lpCalDataW = NULL;
608 if (NLS_IsUnicodeOnlyLcid(lcid))
610 SetLastError(ERROR_INVALID_PARAMETER);
615 !(lpCalDataW = HeapAlloc(GetProcessHeap(), 0, cchData*sizeof(WCHAR))))
618 ret = GetCalendarInfoW(lcid, Calendar, CalType, lpCalDataW, cchData, lpValue);
619 if(ret && lpCalDataW && lpCalData)
620 WideCharToMultiByte(CP_ACP, 0, lpCalDataW, cchData, lpCalData, cchData, NULL, NULL);
621 else if (CalType & CAL_RETURN_NUMBER)
622 ret *= sizeof(WCHAR);
623 HeapFree(GetProcessHeap(), 0, lpCalDataW);
628 /*********************************************************************
629 * GetCalendarInfoW (KERNEL32.@)
632 int WINAPI GetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType,
633 LPWSTR lpCalData, int cchData, LPDWORD lpValue)
635 if (CalType & CAL_NOUSEROVERRIDE)
636 FIXME("flag CAL_NOUSEROVERRIDE used, not fully implemented\n");
637 if (CalType & CAL_USE_CP_ACP)
638 FIXME("flag CAL_USE_CP_ACP used, not fully implemented\n");
640 if (CalType & CAL_RETURN_NUMBER) {
643 SetLastError( ERROR_INVALID_PARAMETER );
646 if (lpCalData != NULL)
647 WARN("lpCalData not NULL (%p) when it should!\n", lpCalData);
649 WARN("cchData not 0 (%d) when it should!\n", cchData);
652 WARN("lpValue not NULL (%p) when it should!\n", lpValue);
655 /* FIXME: No verification is made yet wrt Locale
656 * for the CALTYPES not requiring GetLocaleInfoA */
657 switch (CalType & ~(CAL_NOUSEROVERRIDE|CAL_RETURN_NUMBER|CAL_USE_CP_ACP)) {
658 case CAL_ICALINTVALUE:
659 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
662 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
664 case CAL_IYEAROFFSETRANGE:
665 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
668 FIXME("Unimplemented caltype %d\n", CalType & 0xffff);
671 return GetLocaleInfoW(Locale, LOCALE_SSHORTDATE, lpCalData, cchData);
673 return GetLocaleInfoW(Locale, LOCALE_SLONGDATE, lpCalData, cchData);
675 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME1, lpCalData, cchData);
677 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME2, lpCalData, cchData);
679 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME3, lpCalData, cchData);
681 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME4, lpCalData, cchData);
683 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME5, lpCalData, cchData);
685 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME6, lpCalData, cchData);
687 return GetLocaleInfoW(Locale, LOCALE_SDAYNAME7, lpCalData, cchData);
688 case CAL_SABBREVDAYNAME1:
689 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME1, lpCalData, cchData);
690 case CAL_SABBREVDAYNAME2:
691 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME2, lpCalData, cchData);
692 case CAL_SABBREVDAYNAME3:
693 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME3, lpCalData, cchData);
694 case CAL_SABBREVDAYNAME4:
695 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME4, lpCalData, cchData);
696 case CAL_SABBREVDAYNAME5:
697 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME5, lpCalData, cchData);
698 case CAL_SABBREVDAYNAME6:
699 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME6, lpCalData, cchData);
700 case CAL_SABBREVDAYNAME7:
701 return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME7, lpCalData, cchData);
702 case CAL_SMONTHNAME1:
703 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME1, lpCalData, cchData);
704 case CAL_SMONTHNAME2:
705 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME2, lpCalData, cchData);
706 case CAL_SMONTHNAME3:
707 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME3, lpCalData, cchData);
708 case CAL_SMONTHNAME4:
709 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME4, lpCalData, cchData);
710 case CAL_SMONTHNAME5:
711 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME5, lpCalData, cchData);
712 case CAL_SMONTHNAME6:
713 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME6, lpCalData, cchData);
714 case CAL_SMONTHNAME7:
715 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME7, lpCalData, cchData);
716 case CAL_SMONTHNAME8:
717 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME8, lpCalData, cchData);
718 case CAL_SMONTHNAME9:
719 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME9, lpCalData, cchData);
720 case CAL_SMONTHNAME10:
721 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME10, lpCalData, cchData);
722 case CAL_SMONTHNAME11:
723 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME11, lpCalData, cchData);
724 case CAL_SMONTHNAME12:
725 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME12, lpCalData, cchData);
726 case CAL_SMONTHNAME13:
727 return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME13, lpCalData, cchData);
728 case CAL_SABBREVMONTHNAME1:
729 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME1, lpCalData, cchData);
730 case CAL_SABBREVMONTHNAME2:
731 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME2, lpCalData, cchData);
732 case CAL_SABBREVMONTHNAME3:
733 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME3, lpCalData, cchData);
734 case CAL_SABBREVMONTHNAME4:
735 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME4, lpCalData, cchData);
736 case CAL_SABBREVMONTHNAME5:
737 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME5, lpCalData, cchData);
738 case CAL_SABBREVMONTHNAME6:
739 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME6, lpCalData, cchData);
740 case CAL_SABBREVMONTHNAME7:
741 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME7, lpCalData, cchData);
742 case CAL_SABBREVMONTHNAME8:
743 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME8, lpCalData, cchData);
744 case CAL_SABBREVMONTHNAME9:
745 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME9, lpCalData, cchData);
746 case CAL_SABBREVMONTHNAME10:
747 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME10, lpCalData, cchData);
748 case CAL_SABBREVMONTHNAME11:
749 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME11, lpCalData, cchData);
750 case CAL_SABBREVMONTHNAME12:
751 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME12, lpCalData, cchData);
752 case CAL_SABBREVMONTHNAME13:
753 return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME13, lpCalData, cchData);
755 return GetLocaleInfoW(Locale, LOCALE_SYEARMONTH, lpCalData, cchData);
756 case CAL_ITWODIGITYEARMAX:
757 if (CalType & CAL_RETURN_NUMBER)
759 *lpValue = CALINFO_MAX_YEAR;
760 return sizeof(DWORD) / sizeof(WCHAR);
764 static const WCHAR fmtW[] = {'%','u',0};
766 int ret = snprintfW( buffer, 10, fmtW, CALINFO_MAX_YEAR ) + 1;
767 if (!lpCalData) return ret;
770 strcpyW( lpCalData, buffer );
773 SetLastError( ERROR_INSUFFICIENT_BUFFER );
778 FIXME("Unknown caltype %d\n",CalType & 0xffff);
779 SetLastError(ERROR_INVALID_FLAGS);
785 /*********************************************************************
786 * SetCalendarInfoA (KERNEL32.@)
789 int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
791 FIXME("(%08x,%08x,%08x,%s): stub\n",
792 Locale, Calendar, CalType, debugstr_a(lpCalData));
796 /*********************************************************************
797 * SetCalendarInfoW (KERNEL32.@)
801 int WINAPI SetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPCWSTR lpCalData)
803 FIXME("(%08x,%08x,%08x,%s): stub\n",
804 Locale, Calendar, CalType, debugstr_w(lpCalData));
808 /*********************************************************************
809 * LocalFileTimeToFileTime (KERNEL32.@)
811 BOOL WINAPI LocalFileTimeToFileTime( const FILETIME *localft, LPFILETIME utcft )
814 LARGE_INTEGER local, utc;
816 local.u.LowPart = localft->dwLowDateTime;
817 local.u.HighPart = localft->dwHighDateTime;
818 if (!(status = RtlLocalTimeToSystemTime( &local, &utc )))
820 utcft->dwLowDateTime = utc.u.LowPart;
821 utcft->dwHighDateTime = utc.u.HighPart;
823 else SetLastError( RtlNtStatusToDosError(status) );
828 /*********************************************************************
829 * FileTimeToLocalFileTime (KERNEL32.@)
831 BOOL WINAPI FileTimeToLocalFileTime( const FILETIME *utcft, LPFILETIME localft )
834 LARGE_INTEGER local, utc;
836 utc.u.LowPart = utcft->dwLowDateTime;
837 utc.u.HighPart = utcft->dwHighDateTime;
838 if (!(status = RtlSystemTimeToLocalTime( &utc, &local )))
840 localft->dwLowDateTime = local.u.LowPart;
841 localft->dwHighDateTime = local.u.HighPart;
843 else SetLastError( RtlNtStatusToDosError(status) );
848 /*********************************************************************
849 * FileTimeToSystemTime (KERNEL32.@)
851 BOOL WINAPI FileTimeToSystemTime( const FILETIME *ft, LPSYSTEMTIME syst )
856 t.u.LowPart = ft->dwLowDateTime;
857 t.u.HighPart = ft->dwHighDateTime;
858 RtlTimeToTimeFields(&t, &tf);
860 syst->wYear = tf.Year;
861 syst->wMonth = tf.Month;
863 syst->wHour = tf.Hour;
864 syst->wMinute = tf.Minute;
865 syst->wSecond = tf.Second;
866 syst->wMilliseconds = tf.Milliseconds;
867 syst->wDayOfWeek = tf.Weekday;
871 /*********************************************************************
872 * SystemTimeToFileTime (KERNEL32.@)
874 BOOL WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, LPFILETIME ft )
879 tf.Year = syst->wYear;
880 tf.Month = syst->wMonth;
882 tf.Hour = syst->wHour;
883 tf.Minute = syst->wMinute;
884 tf.Second = syst->wSecond;
885 tf.Milliseconds = syst->wMilliseconds;
887 if( !RtlTimeFieldsToTime(&tf, &t)) {
888 SetLastError( ERROR_INVALID_PARAMETER);
891 ft->dwLowDateTime = t.u.LowPart;
892 ft->dwHighDateTime = t.u.HighPart;
896 /*********************************************************************
897 * CompareFileTime (KERNEL32.@)
899 * Compare two FILETIME's to each other.
903 * y [I] time to compare to x
906 * -1, 0, or 1 indicating that x is less than, equal to, or greater
907 * than y respectively.
909 INT WINAPI CompareFileTime( const FILETIME *x, const FILETIME *y )
911 if (!x || !y) return -1;
913 if (x->dwHighDateTime > y->dwHighDateTime)
915 if (x->dwHighDateTime < y->dwHighDateTime)
917 if (x->dwLowDateTime > y->dwLowDateTime)
919 if (x->dwLowDateTime < y->dwLowDateTime)
924 /*********************************************************************
925 * GetLocalTime (KERNEL32.@)
927 * Get the current local time.
930 * systime [O] Destination for current time.
935 VOID WINAPI GetLocalTime(LPSYSTEMTIME systime)
938 LARGE_INTEGER ft, ft2;
940 NtQuerySystemTime(&ft);
941 RtlSystemTimeToLocalTime(&ft, &ft2);
942 lft.dwLowDateTime = ft2.u.LowPart;
943 lft.dwHighDateTime = ft2.u.HighPart;
944 FileTimeToSystemTime(&lft, systime);
947 /*********************************************************************
948 * GetSystemTime (KERNEL32.@)
950 * Get the current system time.
953 * systime [O] Destination for current time.
958 VOID WINAPI GetSystemTime(LPSYSTEMTIME systime)
963 NtQuerySystemTime(&t);
964 ft.dwLowDateTime = t.u.LowPart;
965 ft.dwHighDateTime = t.u.HighPart;
966 FileTimeToSystemTime(&ft, systime);
969 /*********************************************************************
970 * GetDaylightFlag (KERNEL32.@)
972 * Specifies if daylight savings time is in operation.
975 * This function is called from the Win98's control applet timedate.cpl.
978 * TRUE if daylight savings time is in operation.
981 BOOL WINAPI GetDaylightFlag(void)
983 TIME_ZONE_INFORMATION tzinfo;
984 return GetTimeZoneInformation( &tzinfo) == TIME_ZONE_ID_DAYLIGHT;
987 /***********************************************************************
988 * DosDateTimeToFileTime (KERNEL32.@)
990 BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
998 newtm.tm_sec = (fattime & 0x1f) * 2;
999 newtm.tm_min = (fattime >> 5) & 0x3f;
1000 newtm.tm_hour = (fattime >> 11);
1001 newtm.tm_mday = (fatdate & 0x1f);
1002 newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
1003 newtm.tm_year = (fatdate >> 9) + 80;
1004 newtm.tm_isdst = -1;
1006 RtlSecondsSince1970ToTime( timegm(&newtm), (LARGE_INTEGER *)ft );
1008 time1 = mktime(&newtm);
1009 gtm = gmtime(&time1);
1010 time2 = mktime(gtm);
1011 RtlSecondsSince1970ToTime( 2*time1-time2, (LARGE_INTEGER *)ft );
1017 /***********************************************************************
1018 * FileTimeToDosDateTime (KERNEL32.@)
1020 BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
1028 if (!fatdate || !fattime)
1030 SetLastError(ERROR_INVALID_PARAMETER);
1033 li.u.LowPart = ft->dwLowDateTime;
1034 li.u.HighPart = ft->dwHighDateTime;
1035 if (!RtlTimeToSecondsSince1970( &li, &t ))
1037 SetLastError(ERROR_INVALID_PARAMETER);
1041 tm = gmtime( &unixtime );
1043 *fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
1045 *fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5)
1050 /*********************************************************************
1051 * GetSystemTimes (KERNEL32.@)
1053 * Retrieves system timing information
1056 * lpIdleTime [O] Destination for idle time.
1057 * lpKernelTime [O] Destination for kernel time.
1058 * lpUserTime [O] Destination for user time.
1061 * TRUE if success, FALSE otherwise.
1063 BOOL WINAPI GetSystemTimes(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime)
1065 FIXME("(%p,%p,%p): Stub!\n", lpIdleTime, lpKernelTime, lpUserTime);
1070 /***********************************************************************
1071 * GetDynamicTimeZoneInformation (KERNEL32.@)
1073 DWORD WINAPI GetDynamicTimeZoneInformation(PDYNAMIC_TIME_ZONE_INFORMATION info)
1075 FIXME("(%p) stub!\n", info);
1076 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1077 return TIME_ZONE_ID_INVALID;