2 * Win32 kernel 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <sys/times.h>
30 #include "wine/unicode.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(win32);
35 /* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */
36 #define SETTIME_MAX_ADJUST 120
39 /* This structure is used to store strings that represent all of the time zones
40 in the world. (This is used to help GetTimeZoneInformation)
44 const char *psTZFromUnix;
45 WCHAR psTZWindows[32];
50 static const struct tagTZ_INFO TZ_INFO[] =
53 {'D','a','t','e','l','i','n','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
56 {'S','a','m','o','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
59 {'H','a','w','a','i','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
62 {'A','l','a','s','k','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
65 {'P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
68 {'U','S',' ','M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
71 {'M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
74 {'C','e','n','t','r','a','l',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
77 {'C','e','n','t','r','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
80 {'S','A',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
83 {'E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
86 {'U','S',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
89 {'A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
92 {'S','A',' ','W','e','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
95 {'P','a','c','i','f','i','c',' ','S','A',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
98 {'N','e','w','f','o','u','n','d','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
101 {'E','.',' ','S','o','u','t','h',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
104 {'S','A',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
107 {'G','r','e','e','n','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
110 {'M','i','d','-','A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
113 {'A','z','o','r','e','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
116 {'C','a','p','e',' ','V','e','r','d','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
119 {'G','r','e','e','n','w','i','c','h',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
122 {'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
125 {'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
128 {'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
131 {'W','.',' ','C','e','n','t','r','a','l',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
134 {'E','.',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
137 {'E','g','y','p','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
140 {'S','o','u','t','h',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
143 {'I','s','r','a','e','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
146 {'A','r','a','b','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
149 {'A','r','a','b',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
152 {'R','u','s','s','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
155 {'E','.',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
158 {'I','r','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
161 {'A','r','a','b','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
164 {'C','a','u','c','a','s','u','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
167 {'A','f','g','h','a','n','i','s','t','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
170 {'E','k','a','t','e','r','i','n','b','u','r','g',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
173 {'W','e','s','t',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
176 {'I','n','d','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
179 {'N','e','p','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
182 {'N','.',' ','C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
185 {'C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
188 {'S','r','i',' ','L','a','n','k','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
191 {'M','y','a','n','m','a','r',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
194 {'S','E',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
197 {'N','o','r','t','h',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
200 {'C','h','i','n','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
203 {'N','o','r','t','h',' ','A','s','i','a',' ','E','a','s','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
206 {'M','a','l','a','y',' ','P','e','n','i','n','s','u','l','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
209 {'W','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
212 {'T','o','k','y','o',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
215 {'K','o','r','e','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
218 {'Y','a','k','u','t','s','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
221 {'C','e','n','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
224 {'E','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
227 {'W','e','s','t',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
230 {'V','l','a','d','i','v','o','s','t','o','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
233 {'C','e','n','t','r','a','l',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
236 {'N','e','w',' ','Z','e','a','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
239 {'F','i','j','i',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
242 {'T','o','n','g','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
246 /* TIME_GetTZAsStr: helper function that returns the given timezone as a string.
247 This could be done with a hash table instead of merely iterating through
248 a table, however with the small amount of entries (60 or so) I didn't think
250 static const WCHAR* TIME_GetTZAsStr (time_t utc, int bias, int dst)
253 struct tm *ptm = localtime(&utc);
256 if (!strftime (psTZName, 7, "%Z", ptm))
259 for (i=0; i<(sizeof(TZ_INFO) / sizeof(struct tagTZ_INFO)); i++)
261 if ( strcmp(TZ_INFO[i].psTZFromUnix, psTZName) == 0 &&
262 TZ_INFO[i].bias == bias &&
263 TZ_INFO[i].dst == dst
265 return TZ_INFO[i].psTZWindows;
272 /* TIME_GetBias: helper function calculates delta local time from UTC */
273 static int TIME_GetBias( time_t utc, int *pdaylight)
275 struct tm *ptm = localtime(&utc);
276 *pdaylight = ptm->tm_isdst; /* daylight for local timezone */
278 ptm->tm_isdst = *pdaylight; /* use local daylight, not that of Greenwich */
279 return (int)(utc-mktime(ptm));
283 /***********************************************************************
284 * SetLocalTime (KERNEL32.@)
286 * Sets the local time using current time zone and daylight
291 * True if the time was set, false if the time was invalid or the
292 * necessary permissions were not held.
294 BOOL WINAPI SetLocalTime(
295 const SYSTEMTIME *systime) /* [in] The desired local time. */
300 time_t oldsec=time(NULL);
303 /* get the number of seconds */
304 t.tm_sec = systime->wSecond;
305 t.tm_min = systime->wMinute;
306 t.tm_hour = systime->wHour;
307 t.tm_mday = systime->wDay;
308 t.tm_mon = systime->wMonth - 1;
309 t.tm_year = systime->wYear - 1900;
313 /* set the new time */
315 tv.tv_usec = systime->wMilliseconds * 1000;
317 /* error and sanity check*/
318 if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){
320 SetLastError(ERROR_INVALID_PARAMETER);
322 err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */
325 SetLastError(ERROR_PRIVILEGE_NOT_HELD);
327 ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
328 systime->wYear, systime->wMonth, systime->wDay, systime->wHour,
329 systime->wMinute, systime->wSecond,
330 sec-oldsec, err == -1 ? "No Permission" :
331 sec==(time_t)-1 ? "" : "is too large." );
336 /***********************************************************************
337 * GetSystemTimeAdjustment (KERNEL32.@)
339 * Indicates the period between clock interrupt and the amount the clock
340 * is adjusted each interrupt so as to keep it insync with an external source.
344 * Always returns true.
348 * Only the special case of disabled time adjustments is supported.
349 * (also the signature is wrong it should have a return type of BOOL)
351 DWORD WINAPI GetSystemTimeAdjustment(
352 LPDWORD lpTimeAdjustment, /* [out] The clock adjustment per interupt in 100's of nanoseconds. */
353 LPDWORD lpTimeIncrement, /* [out] The time between clock interupts in 100's of nanoseconds. */
354 LPBOOL lpTimeAdjustmentDisabled) /* [out] The clock synchonisation has been disabled. */
356 *lpTimeAdjustment = 0;
357 *lpTimeIncrement = 0;
358 *lpTimeAdjustmentDisabled = TRUE;
363 /***********************************************************************
364 * SetSystemTime (KERNEL32.@)
366 * Sets the system time (utc).
370 * True if the time was set, false if the time was invalid or the
371 * necessary permissions were not held.
373 BOOL WINAPI SetSystemTime(
374 const SYSTEMTIME *systime) /* [in] The desired system time. */
383 /* call gettimeofday to get the current timezone */
384 gettimeofday(&tv, &tz);
386 /* get delta local time from utc */
387 bias=TIME_GetBias(oldsec,&dst);
389 /* get the number of seconds */
390 t.tm_sec = systime->wSecond;
391 t.tm_min = systime->wMinute;
392 t.tm_hour = systime->wHour;
393 t.tm_mday = systime->wDay;
394 t.tm_mon = systime->wMonth - 1;
395 t.tm_year = systime->wYear - 1900;
398 /* correct for timezone and daylight */
401 /* set the new time */
403 tv.tv_usec = systime->wMilliseconds * 1000;
405 /* error and sanity check*/
406 if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){
408 SetLastError(ERROR_INVALID_PARAMETER);
410 err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */
413 SetLastError(ERROR_PRIVILEGE_NOT_HELD);
415 ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
416 systime->wYear, systime->wMonth, systime->wDay, systime->wHour,
417 systime->wMinute, systime->wSecond,
418 sec-oldsec, err == -1 ? "No Permission" :
419 sec==(time_t)-1 ? "" : "is too large." );
424 /***********************************************************************
425 * GetTimeZoneInformation (KERNEL32.@)
427 * Fills in the a time zone information structure with values based on
428 * the current local time.
432 * The daylight savings time standard or TIME_ZONE_ID_INVALID if the call failed.
434 DWORD WINAPI GetTimeZoneInformation(
435 LPTIME_ZONE_INFORMATION tzinfo) /* [out] The time zone structure to be filled in. */
442 memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION));
445 bias=TIME_GetBias(gmt,&daylight);
447 tzinfo->Bias = -bias / 60;
448 tzinfo->StandardBias = 0;
449 tzinfo->DaylightBias = -60;
450 psTZ = TIME_GetTZAsStr (gmt, (-bias/60), daylight);
451 if (psTZ) strcpyW( tzinfo->StandardName, psTZ );
452 return TIME_ZONE_ID_STANDARD;
456 /***********************************************************************
457 * SetTimeZoneInformation (KERNEL32.@)
459 * Set the local time zone with values based on the time zone structure.
463 * True on successful setting of the time zone.
467 * Use the obsolete unix timezone structure and tz_dsttime member.
469 BOOL WINAPI SetTimeZoneInformation(
470 const LPTIME_ZONE_INFORMATION tzinfo) /* [in] The new time zone. */
474 tz.tz_minuteswest = tzinfo->Bias;
476 tz.tz_dsttime = DST_NONE;
480 return !settimeofday(NULL, &tz);
484 /***********************************************************************
485 * SystemTimeToTzSpecificLocalTime (KERNEL32.@)
487 * Converts the system time (utc) to the local time in the specified time zone.
491 * Returns true when the local time was calculated.
495 * Does not handle daylight savings time adjustments correctly.
497 BOOL WINAPI SystemTimeToTzSpecificLocalTime(
498 LPTIME_ZONE_INFORMATION lpTimeZoneInformation, /* [in] The desired time zone. */
499 LPSYSTEMTIME lpUniversalTime, /* [in] The utc time to base local time on. */
500 LPSYSTEMTIME lpLocalTime) /* [out] The local time in the time zone. */
503 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
508 /***********************************************************************
509 * GetSystemTimeAsFileTime (KERNEL32.@)
511 * Fills in a file time structure with the current time in UTC format.
513 VOID WINAPI GetSystemTimeAsFileTime(
514 LPFILETIME time) /* [out] The file time struct to be filled with the system time. */
516 NtQuerySystemTime( (LARGE_INTEGER *)time );
520 /*********************************************************************
521 * TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998)
523 * Used by GetProcessTimes to convert clock_t into FILETIME.
525 * Differences to UnixTimeToFileTime:
526 * 1) Divided by CLK_TCK
527 * 2) Time is relative. There is no 'starting date', so there is
528 * no need in offset correction, like in UnixTimeToFileTime
530 static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
532 LONGLONG secs = RtlEnlargedUnsignedMultiply( unix_time, 10000000 );
533 ((LARGE_INTEGER *)filetime)->QuadPart = RtlExtendedLargeIntegerDivide( secs, CLK_TCK, NULL );
536 /*********************************************************************
537 * GetProcessTimes (KERNEL32.@)
539 * Returns the user and kernel execution times of a process,
540 * along with the creation and exit times if known.
543 * Would be nice to subtract the cpu time, used by Wine at startup.
544 * Also, there is a need to separate times used by different applications.
548 * Always returns true.
552 * lpCreationTime, lpExitTime are NOT INITIALIZED.
554 BOOL WINAPI GetProcessTimes(
555 HANDLE hprocess, /* [in] The process to be queried (obtained from PROCESS_QUERY_INFORMATION). */
556 LPFILETIME lpCreationTime, /* [out] The creation time of the process. */
557 LPFILETIME lpExitTime, /* [out] The exit time of the process if exited. */
558 LPFILETIME lpKernelTime, /* [out] The time spent in kernal routines in 100's of nanoseconds. */
559 LPFILETIME lpUserTime) /* [out] The time spent in user routines in 100's of nanoseconds. */
564 TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
565 TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
569 /*********************************************************************
570 * GetCalendarInfoA (KERNEL32.@)
573 int WINAPI GetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType,
574 LPSTR lpCalData, int cchData, LPDWORD lpValue)
576 FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): stub\n",
577 Locale, Calendar, CalType, lpCalData, cchData, lpValue);
578 /* dont have the #define values for those */
582 if (CalType & CAL_NOUSEROVERRIDE)
583 MESSAGE("CAL_NOUSEROVERRIDE|");
584 if (CalType & CAL_RETURN_NUMBER)
585 MESSAGE("CAL_RETURN_NUMBER|");
586 if (CalType & CAL_USE_CP_ACP)
587 MESSAGE("CAL_USE_CP_ACP|");
590 /*switch (CalType & ~(CAL_NOUSEROVERRIDE|CAL_RETURN_NUMBER|CAL_USE_CP_ACP)) {*/
591 switch (CalType & 0xffff) {
592 #define X(x) case x: MESSAGE(#x"\n");break;
595 X(CAL_IYEAROFFSETRANGE)
606 X(CAL_SABBREVDAYNAME1)
607 X(CAL_SABBREVDAYNAME2)
608 X(CAL_SABBREVDAYNAME3)
609 X(CAL_SABBREVDAYNAME4)
610 X(CAL_SABBREVDAYNAME5)
611 X(CAL_SABBREVDAYNAME6)
612 X(CAL_SABBREVDAYNAME7)
626 X(CAL_SABBREVMONTHNAME1)
627 X(CAL_SABBREVMONTHNAME2)
628 X(CAL_SABBREVMONTHNAME3)
629 X(CAL_SABBREVMONTHNAME4)
630 X(CAL_SABBREVMONTHNAME5)
631 X(CAL_SABBREVMONTHNAME6)
632 X(CAL_SABBREVMONTHNAME7)
633 X(CAL_SABBREVMONTHNAME8)
634 X(CAL_SABBREVMONTHNAME9)
635 X(CAL_SABBREVMONTHNAME10)
636 X(CAL_SABBREVMONTHNAME11)
637 X(CAL_SABBREVMONTHNAME12)
638 X(CAL_SABBREVMONTHNAME13)
641 default: MESSAGE("Unknown caltype %ld\n",CalType & 0xffff);
647 /*********************************************************************
648 * GetCalendarInfoW (KERNEL32.@)
651 int WINAPI GetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType,
652 LPWSTR lpCalData, int cchData, LPDWORD lpValue)
654 FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): stub\n",
655 Locale, Calendar, CalType, lpCalData, cchData, lpValue);
659 /*********************************************************************
660 * SetCalendarInfoA (KERNEL32.@)
663 int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
665 FIXME("(%08lx,%08lx,%08lx,%s): stub\n",
666 Locale, Calendar, CalType, debugstr_a(lpCalData));
670 /*********************************************************************
671 * SetCalendarInfoW (KERNEL32.@)
674 int WINAPI SetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPCWSTR lpCalData)
676 FIXME("(%08lx,%08lx,%08lx,%s): stub\n",
677 Locale, Calendar, CalType, debugstr_w(lpCalData));