Sweden-Number/dlls/kernel/time.c

572 lines
19 KiB
C

/*
* Win32 kernel time functions
*
* Copyright 1995 Martin von Loewis and Cameron Heide
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
#include "file.h"
#include "winternl.h"
#include "winerror.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win32);
/* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */
#define SETTIME_MAX_ADJUST 120
#define CALINFO_MAX_YEAR 2029
/***********************************************************************
* SetLocalTime (KERNEL32.@)
*
* Sets the local time using current time zone and daylight
* savings settings.
*
* RETURNS
*
* True if the time was set, false if the time was invalid or the
* necessary permissions were not held.
*/
BOOL WINAPI SetLocalTime(
const SYSTEMTIME *systime) /* [in] The desired local time. */
{
FILETIME ft;
LARGE_INTEGER st, st2;
NTSTATUS status;
SystemTimeToFileTime( systime, &ft );
st.s.LowPart = ft.dwLowDateTime;
st.s.HighPart = ft.dwHighDateTime;
RtlLocalTimeToSystemTime( &st, &st2 );
if ((status = NtSetSystemTime(&st2, NULL)))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* GetSystemTimeAdjustment (KERNEL32.@)
*
* Indicates the period between clock interrupt and the amount the clock
* is adjusted each interrupt so as to keep it insync with an external source.
*
* RETURNS
*
* Always returns true.
*
* BUGS
*
* Only the special case of disabled time adjustments is supported.
*/
BOOL WINAPI GetSystemTimeAdjustment(
PDWORD lpTimeAdjustment, /* [out] The clock adjustment per interupt in 100's of nanoseconds. */
PDWORD lpTimeIncrement, /* [out] The time between clock interupts in 100's of nanoseconds. */
PBOOL lpTimeAdjustmentDisabled) /* [out] The clock synchonisation has been disabled. */
{
*lpTimeAdjustment = 0;
*lpTimeIncrement = 0;
*lpTimeAdjustmentDisabled = TRUE;
return TRUE;
}
/***********************************************************************
* SetSystemTime (KERNEL32.@)
*
* Sets the system time (utc).
*
* RETURNS
*
* True if the time was set, false if the time was invalid or the
* necessary permissions were not held.
*/
BOOL WINAPI SetSystemTime(
const SYSTEMTIME *systime) /* [in] The desired system time. */
{
FILETIME ft;
LARGE_INTEGER t;
NTSTATUS status;
SystemTimeToFileTime( systime, &ft );
t.s.LowPart = ft.dwLowDateTime;
t.s.HighPart = ft.dwHighDateTime;
if ((status = NtSetSystemTime(&t, NULL)))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* GetTimeZoneInformation (KERNEL32.@)
*
* Fills in the a time zone information structure with values based on
* the current local time.
*
* RETURNS
*
* The daylight savings time standard or TIME_ZONE_ID_INVALID if the call failed.
*/
DWORD WINAPI GetTimeZoneInformation(
LPTIME_ZONE_INFORMATION tzinfo) /* [out] The time zone structure to be filled in. */
{
NTSTATUS status;
if ((status = RtlQueryTimeZoneInformation(tzinfo)))
SetLastError( RtlNtStatusToDosError(status) );
return TIME_ZONE_ID_STANDARD;
}
/***********************************************************************
* SetTimeZoneInformation (KERNEL32.@)
*
* Set the local time zone with values based on the time zone structure.
*
* RETURNS
*
* True on successful setting of the time zone.
*/
BOOL WINAPI SetTimeZoneInformation(
const LPTIME_ZONE_INFORMATION tzinfo) /* [in] The new time zone. */
{
NTSTATUS status;
if ((status = RtlSetTimeZoneInformation(tzinfo)))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* SystemTimeToTzSpecificLocalTime (KERNEL32.@)
*
* Converts the system time (utc) to the local time in the specified time zone.
*
* RETURNS
*
* Returns true when the local time was calculated.
*
* BUGS
*
* Does not handle daylight savings time adjustments correctly.
*/
BOOL WINAPI SystemTimeToTzSpecificLocalTime(
LPTIME_ZONE_INFORMATION lpTimeZoneInformation, /* [in] The desired time zone. */
LPSYSTEMTIME lpUniversalTime, /* [in] The utc time to base local time on. */
LPSYSTEMTIME lpLocalTime) /* [out] The local time in the time zone. */
{
FIXME(":stub\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* GetSystemTimeAsFileTime (KERNEL32.@)
*
* Fills in a file time structure with the current time in UTC format.
*/
VOID WINAPI GetSystemTimeAsFileTime(
LPFILETIME time) /* [out] The file time struct to be filled with the system time. */
{
LARGE_INTEGER t;
NtQuerySystemTime( &t );
time->dwLowDateTime = t.s.LowPart;
time->dwHighDateTime = t.s.HighPart;
}
/*********************************************************************
* TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998)
*
* Used by GetProcessTimes to convert clock_t into FILETIME.
*
* Differences to UnixTimeToFileTime:
* 1) Divided by CLK_TCK
* 2) Time is relative. There is no 'starting date', so there is
* no need in offset correction, like in UnixTimeToFileTime
*/
static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
{
ULONGLONG secs = RtlEnlargedUnsignedMultiply( unix_time, 10000000 );
secs = RtlExtendedLargeIntegerDivide( secs, CLK_TCK, NULL );
filetime->dwLowDateTime = (DWORD)secs;
filetime->dwHighDateTime = (DWORD)(secs >> 32);
}
/*********************************************************************
* GetProcessTimes (KERNEL32.@)
*
* Returns the user and kernel execution times of a process,
* along with the creation and exit times if known.
*
* olorin@fandra.org:
* Would be nice to subtract the cpu time, used by Wine at startup.
* Also, there is a need to separate times used by different applications.
*
* RETURNS
*
* Always returns true.
*
* BUGS
*
* lpCreationTime, lpExitTime are NOT INITIALIZED.
*/
BOOL WINAPI GetProcessTimes(
HANDLE hprocess, /* [in] The process to be queried (obtained from PROCESS_QUERY_INFORMATION). */
LPFILETIME lpCreationTime, /* [out] The creation time of the process. */
LPFILETIME lpExitTime, /* [out] The exit time of the process if exited. */
LPFILETIME lpKernelTime, /* [out] The time spent in kernal routines in 100's of nanoseconds. */
LPFILETIME lpUserTime) /* [out] The time spent in user routines in 100's of nanoseconds. */
{
struct tms tms;
times(&tms);
TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
return TRUE;
}
/*********************************************************************
* GetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI GetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType,
LPSTR lpCalData, int cchData, LPDWORD lpValue)
{
int ret;
LPWSTR lpCalDataW = NULL;
FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): quarter-stub\n",
Locale, Calendar, CalType, lpCalData, cchData, lpValue);
/* FIXME: Should verify if Locale is allowable in ANSI, as per MSDN */
if(cchData)
if(!(lpCalDataW = HeapAlloc(GetProcessHeap(), 0, cchData*sizeof(WCHAR)))) return 0;
ret = GetCalendarInfoW(Locale, Calendar, CalType, lpCalDataW, cchData, lpValue);
if(ret && lpCalDataW && lpCalData)
WideCharToMultiByte(CP_ACP, 0, lpCalDataW, cchData, lpCalData, cchData, NULL, NULL);
if(lpCalDataW)
HeapFree(GetProcessHeap(), 0, lpCalDataW);
return ret;
}
/*********************************************************************
* GetCalendarInfoW (KERNEL32.@)
*
*/
int WINAPI GetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType,
LPWSTR lpCalData, int cchData, LPDWORD lpValue)
{
FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): quarter-stub\n",
Locale, Calendar, CalType, lpCalData, cchData, lpValue);
if (CalType & CAL_NOUSEROVERRIDE)
FIXME("flag CAL_NOUSEROVERRIDE used, not fully implemented\n");
if (CalType & CAL_USE_CP_ACP)
FIXME("flag CAL_USE_CP_ACP used, not fully implemented\n");
if (CalType & CAL_RETURN_NUMBER) {
if (lpCalData != NULL)
WARN("lpCalData not NULL (%p) when it should!\n", lpCalData);
if (cchData != 0)
WARN("cchData not 0 (%d) when it should!\n", cchData);
} else {
if (lpValue != NULL)
WARN("lpValue not NULL (%p) when it should!\n", lpValue);
}
/* FIXME: No verification is made yet wrt Locale
* for the CALTYPES not requiring GetLocaleInfoA */
switch (CalType & ~(CAL_NOUSEROVERRIDE|CAL_RETURN_NUMBER|CAL_USE_CP_ACP)) {
case CAL_ICALINTVALUE:
FIXME("Unimplemented caltype %ld\n", CalType & 0xffff);
return E_FAIL;
case CAL_SCALNAME:
FIXME("Unimplemented caltype %ld\n", CalType & 0xffff);
return E_FAIL;
case CAL_IYEAROFFSETRANGE:
FIXME("Unimplemented caltype %ld\n", CalType & 0xffff);
return E_FAIL;
case CAL_SERASTRING:
FIXME("Unimplemented caltype %ld\n", CalType & 0xffff);
return E_FAIL;
case CAL_SSHORTDATE:
return GetLocaleInfoW(Locale, LOCALE_SSHORTDATE, lpCalData, cchData);
case CAL_SLONGDATE:
return GetLocaleInfoW(Locale, LOCALE_SLONGDATE, lpCalData, cchData);
case CAL_SDAYNAME1:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME1, lpCalData, cchData);
case CAL_SDAYNAME2:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME2, lpCalData, cchData);
case CAL_SDAYNAME3:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME3, lpCalData, cchData);
case CAL_SDAYNAME4:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME4, lpCalData, cchData);
case CAL_SDAYNAME5:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME5, lpCalData, cchData);
case CAL_SDAYNAME6:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME6, lpCalData, cchData);
case CAL_SDAYNAME7:
return GetLocaleInfoW(Locale, LOCALE_SDAYNAME7, lpCalData, cchData);
case CAL_SABBREVDAYNAME1:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME1, lpCalData, cchData);
case CAL_SABBREVDAYNAME2:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME2, lpCalData, cchData);
case CAL_SABBREVDAYNAME3:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME3, lpCalData, cchData);
case CAL_SABBREVDAYNAME4:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME4, lpCalData, cchData);
case CAL_SABBREVDAYNAME5:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME5, lpCalData, cchData);
case CAL_SABBREVDAYNAME6:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME6, lpCalData, cchData);
case CAL_SABBREVDAYNAME7:
return GetLocaleInfoW(Locale, LOCALE_SABBREVDAYNAME7, lpCalData, cchData);
case CAL_SMONTHNAME1:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME1, lpCalData, cchData);
case CAL_SMONTHNAME2:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME2, lpCalData, cchData);
case CAL_SMONTHNAME3:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME3, lpCalData, cchData);
case CAL_SMONTHNAME4:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME4, lpCalData, cchData);
case CAL_SMONTHNAME5:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME5, lpCalData, cchData);
case CAL_SMONTHNAME6:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME6, lpCalData, cchData);
case CAL_SMONTHNAME7:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME7, lpCalData, cchData);
case CAL_SMONTHNAME8:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME8, lpCalData, cchData);
case CAL_SMONTHNAME9:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME9, lpCalData, cchData);
case CAL_SMONTHNAME10:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME10, lpCalData, cchData);
case CAL_SMONTHNAME11:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME11, lpCalData, cchData);
case CAL_SMONTHNAME12:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME12, lpCalData, cchData);
case CAL_SMONTHNAME13:
return GetLocaleInfoW(Locale, LOCALE_SMONTHNAME13, lpCalData, cchData);
case CAL_SABBREVMONTHNAME1:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME1, lpCalData, cchData);
case CAL_SABBREVMONTHNAME2:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME2, lpCalData, cchData);
case CAL_SABBREVMONTHNAME3:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME3, lpCalData, cchData);
case CAL_SABBREVMONTHNAME4:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME4, lpCalData, cchData);
case CAL_SABBREVMONTHNAME5:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME5, lpCalData, cchData);
case CAL_SABBREVMONTHNAME6:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME6, lpCalData, cchData);
case CAL_SABBREVMONTHNAME7:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME7, lpCalData, cchData);
case CAL_SABBREVMONTHNAME8:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME8, lpCalData, cchData);
case CAL_SABBREVMONTHNAME9:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME9, lpCalData, cchData);
case CAL_SABBREVMONTHNAME10:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME10, lpCalData, cchData);
case CAL_SABBREVMONTHNAME11:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME11, lpCalData, cchData);
case CAL_SABBREVMONTHNAME12:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME12, lpCalData, cchData);
case CAL_SABBREVMONTHNAME13:
return GetLocaleInfoW(Locale, LOCALE_SABBREVMONTHNAME13, lpCalData, cchData);
case CAL_SYEARMONTH:
return GetLocaleInfoW(Locale, LOCALE_SYEARMONTH, lpCalData, cchData);
case CAL_ITWODIGITYEARMAX:
if (lpValue) *lpValue = CALINFO_MAX_YEAR;
break;
default: MESSAGE("Unknown caltype %ld\n",CalType & 0xffff);
return E_FAIL;
}
return 0;
}
/*********************************************************************
* SetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
{
FIXME("(%08lx,%08lx,%08lx,%s): stub\n",
Locale, Calendar, CalType, debugstr_a(lpCalData));
return 0;
}
/*********************************************************************
* SetCalendarInfoW (KERNEL32.@)
*
*/
int WINAPI SetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPCWSTR lpCalData)
{
FIXME("(%08lx,%08lx,%08lx,%s): stub\n",
Locale, Calendar, CalType, debugstr_w(lpCalData));
return 0;
}
/*********************************************************************
* LocalFileTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI LocalFileTimeToFileTime( const FILETIME *localft, LPFILETIME utcft )
{
NTSTATUS status;
LARGE_INTEGER local, utc;
local.s.LowPart = localft->dwLowDateTime;
local.s.HighPart = localft->dwHighDateTime;
if (!(status = RtlLocalTimeToSystemTime( &local, &utc )))
{
utcft->dwLowDateTime = utc.s.LowPart;
utcft->dwHighDateTime = utc.s.HighPart;
}
else SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/*********************************************************************
* FileTimeToLocalFileTime (KERNEL32.@)
*/
BOOL WINAPI FileTimeToLocalFileTime( const FILETIME *utcft, LPFILETIME localft )
{
NTSTATUS status;
LARGE_INTEGER local, utc;
utc.s.LowPart = utcft->dwLowDateTime;
utc.s.HighPart = utcft->dwHighDateTime;
if (!(status = RtlSystemTimeToLocalTime( &utc, &local )))
{
localft->dwLowDateTime = local.s.LowPart;
localft->dwHighDateTime = local.s.HighPart;
}
else SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/*********************************************************************
* FileTimeToSystemTime (KERNEL32.@)
*/
BOOL WINAPI FileTimeToSystemTime( const FILETIME *ft, LPSYSTEMTIME syst )
{
TIME_FIELDS tf;
LARGE_INTEGER t;
t.s.LowPart = ft->dwLowDateTime;
t.s.HighPart = ft->dwHighDateTime;
RtlTimeToTimeFields(&t, &tf);
syst->wYear = tf.Year;
syst->wMonth = tf.Month;
syst->wDay = tf.Day;
syst->wHour = tf.Hour;
syst->wMinute = tf.Minute;
syst->wSecond = tf.Second;
syst->wMilliseconds = tf.Milliseconds;
syst->wDayOfWeek = tf.Weekday;
return TRUE;
}
/*********************************************************************
* SystemTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, LPFILETIME ft )
{
TIME_FIELDS tf;
LARGE_INTEGER t;
tf.Year = syst->wYear;
tf.Month = syst->wMonth;
tf.Day = syst->wDay;
tf.Hour = syst->wHour;
tf.Minute = syst->wMinute;
tf.Second = syst->wSecond;
tf.Milliseconds = syst->wMilliseconds;
RtlTimeFieldsToTime(&tf, &t);
ft->dwLowDateTime = t.s.LowPart;
ft->dwHighDateTime = t.s.HighPart;
return TRUE;
}
/*********************************************************************
* CompareFileTime (KERNEL32.@)
*/
INT WINAPI CompareFileTime( const FILETIME *x, const FILETIME *y )
{
if (!x || !y) return -1;
if (x->dwHighDateTime > y->dwHighDateTime)
return 1;
if (x->dwHighDateTime < y->dwHighDateTime)
return -1;
if (x->dwLowDateTime > y->dwLowDateTime)
return 1;
if (x->dwLowDateTime < y->dwLowDateTime)
return -1;
return 0;
}
/*********************************************************************
* GetLocalTime (KERNEL32.@)
*/
VOID WINAPI GetLocalTime(LPSYSTEMTIME systime)
{
FILETIME lft;
LARGE_INTEGER ft, ft2;
NtQuerySystemTime(&ft);
RtlSystemTimeToLocalTime(&ft, &ft2);
lft.dwLowDateTime = ft2.s.LowPart;
lft.dwHighDateTime = ft2.s.HighPart;
FileTimeToSystemTime(&lft, systime);
}
/*********************************************************************
* GetSystemTime (KERNEL32.@)
*/
VOID WINAPI GetSystemTime(LPSYSTEMTIME systime)
{
FILETIME ft;
LARGE_INTEGER t;
NtQuerySystemTime(&t);
ft.dwLowDateTime = t.s.LowPart;
ft.dwHighDateTime = t.s.HighPart;
FileTimeToSystemTime(&ft, systime);
}