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/*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
#ifdef HAVE_SYS_LIMITS_H
#include <sys/limits.h>
#elif defined(HAVE_MACHINE_LIMITS_H)
#include <machine/limits.h>
#endif
#ifdef __APPLE__
# include <mach/mach_time.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "kernel_private.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(time);
static inline void longlong_to_filetime( LONGLONG t, FILETIME *ft )
{
ft->dwLowDateTime = (DWORD)t;
ft->dwHighDateTime = (DWORD)(t >> 32);
}
static inline LONGLONG filetime_to_longlong( const FILETIME *ft )
{
return (((LONGLONG)ft->dwHighDateTime) << 32) + ft->dwLowDateTime;
}
#define TICKSPERSEC 10000000
#define TICKSPERMSEC 10000
/* return a monotonic time counter, in Win32 ticks */
static inline ULONGLONG monotonic_counter(void)
{
LARGE_INTEGER counter;
#ifdef __APPLE__
static mach_timebase_info_data_t timebase;
if (!timebase.denom) mach_timebase_info( &timebase );
return mach_absolute_time() * timebase.numer / timebase.denom / 100;
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec ts;
#ifdef CLOCK_MONOTONIC_RAW
if (!clock_gettime( CLOCK_MONOTONIC_RAW, &ts ))
return ts.tv_sec * (ULONGLONG)TICKSPERSEC + ts.tv_nsec / 100;
#endif
if (!clock_gettime( CLOCK_MONOTONIC, &ts ))
return ts.tv_sec * (ULONGLONG)TICKSPERSEC + ts.tv_nsec / 100;
#endif
NtQueryPerformanceCounter( &counter, NULL );
return counter.QuadPart;
}
static const WCHAR mui_stdW[] = { 'M','U','I','_','S','t','d',0 };
static const WCHAR mui_dltW[] = { 'M','U','I','_','D','l','t',0 };
static const int MonthLengths[2][12] =
{
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
};
static inline BOOL IsLeapYear(int Year)
{
return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0);
}
/***********************************************************************
* TIME_DayLightCompareDate
*
* Compares two dates without looking at the year.
*
* PARAMS
* date [in] The local time to compare.
* compareDate [in] The daylight savings begin or end date.
*
* RETURNS
*
* -1 if date < compareDate
* 0 if date == compareDate
* 1 if date > compareDate
* -2 if an error occurs
*/
static int TIME_DayLightCompareDate( const SYSTEMTIME *date,
const SYSTEMTIME *compareDate )
{
int limit_day, dayinsecs;
if (date->wMonth < compareDate->wMonth)
return -1; /* We are in a month before the date limit. */
if (date->wMonth > compareDate->wMonth)
return 1; /* We are in a month after the date limit. */
/* if year is 0 then date is in day-of-week format, otherwise
* it's absolute date.
*/
if (compareDate->wYear == 0)
{
WORD First;
/* compareDate->wDay is interpreted as number of the week in the month
* 5 means: the last week in the month */
int weekofmonth = compareDate->wDay;
/* calculate the day of the first DayOfWeek in the month */
First = ( 6 + compareDate->wDayOfWeek - date->wDayOfWeek + date->wDay
) % 7 + 1;
limit_day = First + 7 * (weekofmonth - 1);
/* check needed for the 5th weekday of the month */
if(limit_day > MonthLengths[date->wMonth==2 && IsLeapYear(date->wYear)]
[date->wMonth - 1])
limit_day -= 7;
}
else
{
limit_day = compareDate->wDay;
}
/* convert to seconds */
limit_day = ((limit_day * 24 + compareDate->wHour) * 60 +
compareDate->wMinute ) * 60;
dayinsecs = ((date->wDay * 24 + date->wHour) * 60 +
date->wMinute ) * 60 + date->wSecond;
/* and compare */
return dayinsecs < limit_day ? -1 :
dayinsecs > limit_day ? 1 :
0; /* date is equal to the date limit. */
}
/***********************************************************************
* TIME_CompTimeZoneID
*
* Computes the local time bias for a given time and time zone.
*
* PARAMS
* pTZinfo [in] The time zone data.
* time [in] The system or local time.
* islocal [in] it is local time.
*
* RETURNS
* TIME_ZONE_ID_INVALID An error occurred
* TIME_ZONE_ID_UNKNOWN There are no transition time known
* TIME_ZONE_ID_STANDARD Current time is standard time
* TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
*/
static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo,
LONGLONG time, BOOL islocal )
{
int ret, year;
BOOL beforeStandardDate, afterDaylightDate;
DWORD retval = TIME_ZONE_ID_INVALID;
SYSTEMTIME SysTime;
FILETIME ft;
if (pTZinfo->DaylightDate.wMonth != 0)
{
/* if year is 0 then date is in day-of-week format, otherwise
* it's absolute date.
*/
if (pTZinfo->StandardDate.wMonth == 0 ||
(pTZinfo->StandardDate.wYear == 0 &&
(pTZinfo->StandardDate.wDay<1 ||
pTZinfo->StandardDate.wDay>5 ||
pTZinfo->DaylightDate.wDay<1 ||
pTZinfo->DaylightDate.wDay>5)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return TIME_ZONE_ID_INVALID;
}
if (!islocal)
time -= pTZinfo->Bias * (LONGLONG)600000000;
longlong_to_filetime( time, &ft );
FileTimeToSystemTime( &ft, &SysTime );
year = SysTime.wYear;
if (!islocal) {
time -= pTZinfo->DaylightBias * (LONGLONG)600000000;
longlong_to_filetime( time, &ft );
FileTimeToSystemTime( &ft, &SysTime );
}
/* check for daylight savings */
if(year == SysTime.wYear) {
ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->StandardDate);
if (ret == -2)
return TIME_ZONE_ID_INVALID;
beforeStandardDate = ret < 0;
} else
beforeStandardDate = SysTime.wYear < year;
if (!islocal) {
time -= ( pTZinfo->StandardBias - pTZinfo->DaylightBias ) * (LONGLONG)600000000;
longlong_to_filetime( time, &ft );
FileTimeToSystemTime( &ft, &SysTime );
}
if(year == SysTime.wYear) {
ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->DaylightDate );
if (ret == -2)
return TIME_ZONE_ID_INVALID;
afterDaylightDate = ret >= 0;
} else
afterDaylightDate = SysTime.wYear > year;
retval = TIME_ZONE_ID_STANDARD;
if( pTZinfo->DaylightDate.wMonth < pTZinfo->StandardDate.wMonth ) {
/* Northern hemisphere */
if( beforeStandardDate && afterDaylightDate )
retval = TIME_ZONE_ID_DAYLIGHT;
} else /* Down south */
if( beforeStandardDate || afterDaylightDate )
retval = TIME_ZONE_ID_DAYLIGHT;
} else
/* No transition date */
retval = TIME_ZONE_ID_UNKNOWN;
return retval;
}
/***********************************************************************
* TIME_TimeZoneID
*
* Calculates whether daylight savings is on now.
*
* PARAMS
* pTzi [in] Timezone info.
*
* RETURNS
* TIME_ZONE_ID_INVALID An error occurred
* TIME_ZONE_ID_UNKNOWN There are no transition time known
* TIME_ZONE_ID_STANDARD Current time is standard time
* TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
*/
static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi )
{
LARGE_INTEGER now;
NtQuerySystemTime( &now );
return TIME_CompTimeZoneID( pTzi, now.QuadPart, FALSE );
}
/***********************************************************************
* TIME_GetTimezoneBias
*
* Calculates the local time bias for a given time zone.
*
* PARAMS
* pTZinfo [in] The time zone data.
* time [in] The system or local time.
* islocal [in] It is local time.
* pBias [out] The calculated bias in minutes.
*
* RETURNS
* TRUE when the time zone bias was calculated.
*/
static BOOL TIME_GetTimezoneBias( const TIME_ZONE_INFORMATION *pTZinfo,
LONGLONG time, BOOL islocal, LONG *pBias )
{
LONG bias = pTZinfo->Bias;
DWORD tzid = TIME_CompTimeZoneID( pTZinfo, time, islocal );
if( tzid == TIME_ZONE_ID_INVALID)
return FALSE;
if (tzid == TIME_ZONE_ID_DAYLIGHT)
bias += pTZinfo->DaylightBias;
else if (tzid == TIME_ZONE_ID_STANDARD)
bias += pTZinfo->StandardBias;
*pBias = bias;
return TRUE;
}
/***********************************************************************
* TIME_GetSpecificTimeZoneKey
*
* Opens the registry key for the time zone with the given name.
*
* PARAMS
* key_name [in] The time zone name.
* result [out] The open registry key handle.
*
* RETURNS
* TRUE if successful.
*/
static BOOL TIME_GetSpecificTimeZoneKey( const WCHAR *key_name, HANDLE *result )
{
static const WCHAR Time_ZonesW[] = { '\\','R','E','G','I','S','T','R','Y','\\',
'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'T','i','m','e',' ','Z','o','n','e','s',0 };
HANDLE time_zones_key;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
NTSTATUS status;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, Time_ZonesW );
if (!set_ntstatus( NtOpenKey( &time_zones_key, KEY_READ, &attr ))) return FALSE;
attr.RootDirectory = time_zones_key;
RtlInitUnicodeString( &nameW, key_name );
status = NtOpenKey( result, KEY_READ, &attr );
NtClose( time_zones_key );
return set_ntstatus( status );
}
static BOOL reg_query_value(HKEY hkey, LPCWSTR name, DWORD type, void *data, DWORD count)
{
UNICODE_STRING nameW;
char buf[256];
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buf;
if (count > sizeof(buf) - sizeof(KEY_VALUE_PARTIAL_INFORMATION))
return FALSE;
RtlInitUnicodeString(&nameW, name);
if (!set_ntstatus( NtQueryValueKey(hkey, &nameW, KeyValuePartialInformation,
buf, sizeof(buf), &count)))
return FALSE;
if (info->Type != type)
{
SetLastError( ERROR_DATATYPE_MISMATCH );
return FALSE;
}
memcpy(data, info->Data, info->DataLength);
return TRUE;
}
static BOOL reg_load_mui_string(HKEY hkey, LPCWSTR value, LPWSTR buffer, DWORD size)
{
static const WCHAR advapi32W[] = {'a','d','v','a','p','i','3','2','.','d','l','l',0};
DWORD (WINAPI *pRegLoadMUIStringW)(HKEY, LPCWSTR, LPWSTR, DWORD, DWORD *, DWORD, LPCWSTR);
HMODULE hDll;
BOOL ret = FALSE;
hDll = LoadLibraryExW(advapi32W, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
if (hDll) {
pRegLoadMUIStringW = (void *)GetProcAddress(hDll, "RegLoadMUIStringW");
if (pRegLoadMUIStringW &&
!pRegLoadMUIStringW(hkey, value, buffer, size, NULL, 0, DIR_System))
ret = TRUE;
FreeLibrary(hDll);
}
return ret;
}
/***********************************************************************
* TIME_GetSpecificTimeZoneInfo
*
* Returns time zone information for the given time zone and year.
*
* PARAMS
* key_name [in] The time zone name.
* year [in] The year, if Dynamic DST is used.
* dynamic [in] Whether to use Dynamic DST.
* result [out] The time zone information.
*
* RETURNS
* TRUE if successful.
*/
static BOOL TIME_GetSpecificTimeZoneInfo( const WCHAR *key_name, WORD year,
BOOL dynamic, DYNAMIC_TIME_ZONE_INFORMATION *tzinfo )
{
static const WCHAR Dynamic_DstW[] = { 'D','y','n','a','m','i','c',' ','D','S','T',0 };
static const WCHAR fmtW[] = { '%','d',0 };
static const WCHAR stdW[] = { 'S','t','d',0 };
static const WCHAR dltW[] = { 'D','l','t',0 };
static const WCHAR tziW[] = { 'T','Z','I',0 };
HANDLE time_zone_key, dynamic_dst_key;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
WCHAR yearW[16];
BOOL got_reg_data = FALSE;
struct tz_reg_data
{
LONG bias;
LONG std_bias;
LONG dlt_bias;
SYSTEMTIME std_date;
SYSTEMTIME dlt_date;
} tz_data;
if (!TIME_GetSpecificTimeZoneKey( key_name, &time_zone_key ))
return FALSE;
if (!reg_load_mui_string( time_zone_key, mui_stdW, tzinfo->StandardName, sizeof(tzinfo->StandardName) ) &&
!reg_query_value( time_zone_key, stdW, REG_SZ, tzinfo->StandardName, sizeof(tzinfo->StandardName) ))
{
NtClose( time_zone_key );
return FALSE;
}
if (!reg_load_mui_string( time_zone_key, mui_dltW, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) ) &&
!reg_query_value( time_zone_key, dltW, REG_SZ, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) ))
{
NtClose( time_zone_key );
return FALSE;
}
lstrcpyW(tzinfo->TimeZoneKeyName, key_name);
if (dynamic)
{
attr.Length = sizeof(attr);
attr.RootDirectory = time_zone_key;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, Dynamic_DstW );
if (!NtOpenKey( &dynamic_dst_key, KEY_READ, &attr ))
{
sprintfW( yearW, fmtW, year );
got_reg_data = reg_query_value( dynamic_dst_key, yearW, REG_BINARY, &tz_data, sizeof(tz_data) );
NtClose( dynamic_dst_key );
}
}
if (!got_reg_data)
{
if (!reg_query_value( time_zone_key, tziW, REG_BINARY, &tz_data, sizeof(tz_data) ))
{
NtClose( time_zone_key );
return FALSE;
}
}
tzinfo->Bias = tz_data.bias;
tzinfo->StandardBias = tz_data.std_bias;
tzinfo->DaylightBias = tz_data.dlt_bias;
tzinfo->StandardDate = tz_data.std_date;
tzinfo->DaylightDate = tz_data.dlt_date;
tzinfo->DynamicDaylightTimeDisabled = !dynamic;
NtClose( time_zone_key );
return TRUE;
}
/***********************************************************************
* GetSystemTimeAdjustment (KERNEL32.@)
*
* Get the period between clock interrupts and the amount the clock
* is adjusted each interrupt so as to keep it in sync with an external source.
*
* PARAMS
* lpTimeAdjustment [out] The clock adjustment per interrupt in 100's of nanoseconds.
* lpTimeIncrement [out] The time between clock interrupts in 100's of nanoseconds.
* lpTimeAdjustmentDisabled [out] The clock synchronisation has been disabled.
*
* RETURNS
* TRUE.
*
* BUGS
* Only the special case of disabled time adjustments is supported.
*/
BOOL WINAPI GetSystemTimeAdjustment( PDWORD lpTimeAdjustment, PDWORD lpTimeIncrement,
PBOOL lpTimeAdjustmentDisabled )
{
*lpTimeAdjustment = 0;
*lpTimeIncrement = 10000000 / sysconf(_SC_CLK_TCK);
*lpTimeAdjustmentDisabled = TRUE;
return TRUE;
}
/***********************************************************************
* SetSystemTimeAdjustment (KERNEL32.@)
*
* Enables or disables the timing adjustments to the system's clock.
*
* PARAMS
* dwTimeAdjustment [in] Number of units to add per clock interrupt.
* bTimeAdjustmentDisabled [in] Adjustment mode.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*/
BOOL WINAPI SetSystemTimeAdjustment( DWORD dwTimeAdjustment, BOOL bTimeAdjustmentDisabled )
{
/* Fake function for now... */
FIXME("(%08x,%d): stub !\n", dwTimeAdjustment, bTimeAdjustmentDisabled);
return TRUE;
}
/***********************************************************************
* GetTimeZoneInformation (KERNEL32.@)
*
* Get information about the current local time zone.
*
* PARAMS
* tzinfo [out] Destination for time zone information.
*
* RETURNS
* TIME_ZONE_ID_INVALID An error occurred
* TIME_ZONE_ID_UNKNOWN There are no transition time known
* TIME_ZONE_ID_STANDARD Current time is standard time
* TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time
*/
DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION ret )
{
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
DWORD time_zone_id;
TRACE("(%p)\n", ret);
time_zone_id = GetDynamicTimeZoneInformation( &tzinfo );
memcpy( ret, &tzinfo, sizeof(*ret) );
return time_zone_id;
}
/***********************************************************************
* GetTimeZoneInformationForYear (KERNEL32.@)
*/
BOOL WINAPI GetTimeZoneInformationForYear( USHORT wYear,
PDYNAMIC_TIME_ZONE_INFORMATION pdtzi, LPTIME_ZONE_INFORMATION ptzi )
{
DYNAMIC_TIME_ZONE_INFORMATION local_dtzi, result;
TRACE("(%u,%p)\n", wYear, ptzi);
if (!pdtzi)
{
if (GetDynamicTimeZoneInformation(&local_dtzi) == TIME_ZONE_ID_INVALID)
return FALSE;
pdtzi = &local_dtzi;
}
if (!TIME_GetSpecificTimeZoneInfo(pdtzi->TimeZoneKeyName, wYear,
!pdtzi->DynamicDaylightTimeDisabled, &result))
return FALSE;
memcpy(ptzi, &result, sizeof(*ptzi));
return TRUE;
}
/***********************************************************************
* SetTimeZoneInformation (KERNEL32.@)
*
* Change the settings of the current local time zone.
*
* PARAMS
* tzinfo [in] The new time zone.
*
* RETURNS
* Success: TRUE. The time zone was updated with the settings from tzinfo.
* Failure: FALSE.
*/
BOOL WINAPI SetTimeZoneInformation( const TIME_ZONE_INFORMATION *tzinfo )
{
TRACE("(%p)\n", tzinfo);
return set_ntstatus( RtlSetTimeZoneInformation( (const RTL_TIME_ZONE_INFORMATION *)tzinfo ));
}
/***********************************************************************
* SystemTimeToTzSpecificLocalTime (KERNEL32.@)
*
* Convert a utc system time to a local time in a given time zone.
*
* PARAMS
* lpTimeZoneInformation [in] The desired time zone.
* lpUniversalTime [in] The utc time to base local time on.
* lpLocalTime [out] The local time in the time zone.
*
* RETURNS
* Success: TRUE. lpLocalTime contains the converted time
* Failure: FALSE.
*/
BOOL WINAPI SystemTimeToTzSpecificLocalTime(
const TIME_ZONE_INFORMATION *lpTimeZoneInformation,
const SYSTEMTIME *lpUniversalTime, LPSYSTEMTIME lpLocalTime )
{
FILETIME ft;
LONG lBias;
LONGLONG llTime;
TIME_ZONE_INFORMATION tzinfo;
if (lpTimeZoneInformation != NULL)
{
tzinfo = *lpTimeZoneInformation;
}
else
{
RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
}
if (!SystemTimeToFileTime(lpUniversalTime, &ft))
return FALSE;
llTime = filetime_to_longlong( &ft );
if (!TIME_GetTimezoneBias(&tzinfo, llTime, FALSE, &lBias))
return FALSE;
/* convert minutes to 100-nanoseconds-ticks */
llTime -= (LONGLONG)lBias * 600000000;
longlong_to_filetime( llTime, &ft );
return FileTimeToSystemTime(&ft, lpLocalTime);
}
/***********************************************************************
* TzSpecificLocalTimeToSystemTime (KERNEL32.@)
*
* Converts a local time to a time in utc.
*
* PARAMS
* lpTimeZoneInformation [in] The desired time zone.
* lpLocalTime [in] The local time.
* lpUniversalTime [out] The calculated utc time.
*
* RETURNS
* Success: TRUE. lpUniversalTime contains the converted time.
* Failure: FALSE.
*/
BOOL WINAPI TzSpecificLocalTimeToSystemTime(
const TIME_ZONE_INFORMATION *lpTimeZoneInformation,
const SYSTEMTIME *lpLocalTime, LPSYSTEMTIME lpUniversalTime)
{
FILETIME ft;
LONG lBias;
LONGLONG t;
TIME_ZONE_INFORMATION tzinfo;
if (lpTimeZoneInformation != NULL)
{
tzinfo = *lpTimeZoneInformation;
}
else
{
RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
}
if (!SystemTimeToFileTime(lpLocalTime, &ft))
return FALSE;
t = filetime_to_longlong( &ft );
if (!TIME_GetTimezoneBias(&tzinfo, t, TRUE, &lBias))
return FALSE;
/* convert minutes to 100-nanoseconds-ticks */
t += (LONGLONG)lBias * 600000000;
longlong_to_filetime( t, &ft );
return FileTimeToSystemTime(&ft, lpUniversalTime);
}
/*********************************************************************
* 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 for offset correction, like in UnixTimeToFileTime
*/
static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
{
long clocksPerSec = sysconf(_SC_CLK_TCK);
ULONGLONG secs = (ULONGLONG)unix_time * 10000000 / clocksPerSec;
filetime->dwLowDateTime = (DWORD)secs;
filetime->dwHighDateTime = (DWORD)(secs >> 32);
}
/***********************************************************************
* TIMEZONE_InitRegistry
*
* Update registry contents on startup if the user timezone has changed.
* This simulates the action of the Windows control panel.
*/
void TIMEZONE_InitRegistry(void)
{
static const WCHAR timezoneInformationW[] = {
'M','a','c','h','i','n','e','\\','S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'T','i','m','e','Z','o','n','e','I','n','f','o','r','m','a','t','i','o','n','\0'
};
static const WCHAR standardNameW[] = {'S','t','a','n','d','a','r','d','N','a','m','e','\0'};
static const WCHAR timezoneKeyNameW[] = {'T','i','m','e','Z','o','n','e','K','e','y','N','a','m','e','\0'};
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
UNICODE_STRING name;
OBJECT_ATTRIBUTES attr;
HANDLE hkey;
DWORD tzid;
tzid = GetDynamicTimeZoneInformation(&tzinfo);
if (tzid == TIME_ZONE_ID_INVALID) return;
RtlInitUnicodeString(&name, timezoneInformationW);
InitializeObjectAttributes(&attr, &name, 0, 0, NULL);
if (NtCreateKey(&hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL) != STATUS_SUCCESS) return;
RtlInitUnicodeString(&name, standardNameW);
NtSetValueKey(hkey, &name, 0, REG_SZ, tzinfo.StandardName,
(strlenW(tzinfo.StandardName) + 1) * sizeof(WCHAR));
RtlInitUnicodeString(&name, timezoneKeyNameW);
NtSetValueKey(hkey, &name, 0, REG_SZ, tzinfo.TimeZoneKeyName,
(strlenW(tzinfo.TimeZoneKeyName) + 1) * sizeof(WCHAR));
NtClose( hkey );
}
/*********************************************************************
* GetProcessTimes (KERNEL32.@)
*
* Get the user and kernel execution times of a process,
* along with the creation and exit times if known.
*
* PARAMS
* hprocess [in] The process to be queried.
* lpCreationTime [out] The creation time of the process.
* lpExitTime [out] The exit time of the process if exited.
* lpKernelTime [out] The time spent in kernel routines in 100's of nanoseconds.
* lpUserTime [out] The time spent in user routines in 100's of nanoseconds.
*
* RETURNS
* TRUE.
*
* NOTES
* 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.
*
* BUGS
* KernelTime and UserTime are always for the current process
*/
BOOL WINAPI GetProcessTimes( HANDLE hprocess, LPFILETIME lpCreationTime,
LPFILETIME lpExitTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime )
{
struct tms tms;
KERNEL_USER_TIMES pti;
times(&tms);
TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
if (NtQueryInformationProcess( hprocess, ProcessTimes, &pti, sizeof(pti), NULL))
return FALSE;
longlong_to_filetime( pti.CreateTime.QuadPart, lpCreationTime );
longlong_to_filetime( pti.ExitTime.QuadPart, lpExitTime );
return TRUE;
}
/*********************************************************************
* GetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI GetCalendarInfoA(LCID lcid, CALID Calendar, CALTYPE CalType,
LPSTR lpCalData, int cchData, LPDWORD lpValue)
{
int ret, cchDataW = cchData;
LPWSTR lpCalDataW = NULL;
if (NLS_IsUnicodeOnlyLcid(lcid))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!cchData && !(CalType & CAL_RETURN_NUMBER))
cchDataW = GetCalendarInfoW(lcid, Calendar, CalType, NULL, 0, NULL);
if (!(lpCalDataW = HeapAlloc(GetProcessHeap(), 0, cchDataW*sizeof(WCHAR))))
return 0;
ret = GetCalendarInfoW(lcid, Calendar, CalType, lpCalDataW, cchDataW, lpValue);
if(ret && lpCalDataW && lpCalData)
ret = WideCharToMultiByte(CP_ACP, 0, lpCalDataW, -1, lpCalData, cchData, NULL, NULL);
else if (CalType & CAL_RETURN_NUMBER)
ret *= sizeof(WCHAR);
HeapFree(GetProcessHeap(), 0, lpCalDataW);
return ret;
}
/*********************************************************************
* SetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
{
FIXME("(%08x,%08x,%08x,%s): stub\n",
Locale, Calendar, CalType, debugstr_a(lpCalData));
return 0;
}
/*********************************************************************
* GetDaylightFlag (KERNEL32.@)
*
* Specifies if daylight savings time is in operation.
*
* NOTES
* This function is called from the Win98's control applet timedate.cpl.
*
* RETURNS
* TRUE if daylight savings time is in operation.
* FALSE otherwise.
*/
BOOL WINAPI GetDaylightFlag(void)
{
TIME_ZONE_INFORMATION tzinfo;
TRACE("()\n");
RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
return (TIME_ZoneID(&tzinfo) == TIME_ZONE_ID_DAYLIGHT);
}
/***********************************************************************
* DosDateTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
{
struct tm newtm;
#ifndef HAVE_TIMEGM
struct tm *gtm;
time_t time1, time2;
#endif
newtm.tm_sec = (fattime & 0x1f) * 2;
newtm.tm_min = (fattime >> 5) & 0x3f;
newtm.tm_hour = (fattime >> 11);
newtm.tm_mday = (fatdate & 0x1f);
newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
newtm.tm_year = (fatdate >> 9) + 80;
newtm.tm_isdst = -1;
#ifdef HAVE_TIMEGM
RtlSecondsSince1970ToTime( timegm(&newtm), (LARGE_INTEGER *)ft );
#else
time1 = mktime(&newtm);
gtm = gmtime(&time1);
time2 = mktime(gtm);
RtlSecondsSince1970ToTime( 2*time1-time2, (LARGE_INTEGER *)ft );
#endif
return TRUE;
}
/***********************************************************************
* FileTimeToDosDateTime (KERNEL32.@)
*/
BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
LPWORD fattime )
{
LARGE_INTEGER li;
ULONG t;
time_t unixtime;
struct tm* tm;
if (!fatdate || !fattime)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
li.u.LowPart = ft->dwLowDateTime;
li.u.HighPart = ft->dwHighDateTime;
if (!RtlTimeToSecondsSince1970( &li, &t ))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
unixtime = t;
tm = gmtime( &unixtime );
*fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
*fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5) + tm->tm_mday;
return TRUE;
}
/*********************************************************************
* GetSystemTimes (KERNEL32.@)
*
* Retrieves system timing information
*
* PARAMS
* lpIdleTime [O] Destination for idle time.
* lpKernelTime [O] Destination for kernel time.
* lpUserTime [O] Destination for user time.
*
* RETURNS
* TRUE if success, FALSE otherwise.
*/
BOOL WINAPI GetSystemTimes(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime)
{
LARGE_INTEGER idle_time, kernel_time, user_time;
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *sppi;
SYSTEM_BASIC_INFORMATION sbi;
ULONG ret_size;
int i;
TRACE("(%p,%p,%p)\n", lpIdleTime, lpKernelTime, lpUserTime);
if (!set_ntstatus( NtQuerySystemInformation( SystemBasicInformation, &sbi, sizeof(sbi), &ret_size )))
return FALSE;
sppi = HeapAlloc( GetProcessHeap(), 0,
sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * sbi.NumberOfProcessors);
if (!sppi)
{
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
if (!set_ntstatus( NtQuerySystemInformation( SystemProcessorPerformanceInformation, sppi,
sizeof(*sppi) * sbi.NumberOfProcessors, &ret_size )))
{
HeapFree( GetProcessHeap(), 0, sppi );
return FALSE;
}
idle_time.QuadPart = 0;
kernel_time.QuadPart = 0;
user_time.QuadPart = 0;
for (i = 0; i < sbi.NumberOfProcessors; i++)
{
idle_time.QuadPart += sppi[i].IdleTime.QuadPart;
kernel_time.QuadPart += sppi[i].KernelTime.QuadPart;
user_time.QuadPart += sppi[i].UserTime.QuadPart;
}
if (lpIdleTime)
{
lpIdleTime->dwLowDateTime = idle_time.u.LowPart;
lpIdleTime->dwHighDateTime = idle_time.u.HighPart;
}
if (lpKernelTime)
{
lpKernelTime->dwLowDateTime = kernel_time.u.LowPart;
lpKernelTime->dwHighDateTime = kernel_time.u.HighPart;
}
if (lpUserTime)
{
lpUserTime->dwLowDateTime = user_time.u.LowPart;
lpUserTime->dwHighDateTime = user_time.u.HighPart;
}
HeapFree( GetProcessHeap(), 0, sppi );
return TRUE;
}
/***********************************************************************
* GetDynamicTimeZoneInformation (KERNEL32.@)
*/
DWORD WINAPI GetDynamicTimeZoneInformation(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo)
{
HANDLE time_zone_key;
TRACE("(%p)\n", tzinfo);
if (!set_ntstatus( RtlQueryDynamicTimeZoneInformation( (RTL_DYNAMIC_TIME_ZONE_INFORMATION*)tzinfo )))
return TIME_ZONE_ID_INVALID;
if (!TIME_GetSpecificTimeZoneKey( tzinfo->TimeZoneKeyName, &time_zone_key ))
return TIME_ZONE_ID_INVALID;
reg_load_mui_string( time_zone_key, mui_stdW, tzinfo->StandardName, sizeof(tzinfo->StandardName) );
reg_load_mui_string( time_zone_key, mui_dltW, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) );
NtClose( time_zone_key );
return TIME_ZoneID( (TIME_ZONE_INFORMATION*)tzinfo );
}
/***********************************************************************
* GetDynamicTimeZoneInformationEffectiveYears (KERNEL32.@)
*/
DWORD WINAPI GetDynamicTimeZoneInformationEffectiveYears(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo, DWORD *first_year, DWORD *last_year)
{
FIXME("(%p, %p, %p): stub!\n", tzinfo, first_year, last_year);
return ERROR_FILE_NOT_FOUND;
}
/***********************************************************************
* QueryProcessCycleTime (KERNEL32.@)
*/
BOOL WINAPI QueryProcessCycleTime(HANDLE process, PULONG64 cycle)
{
static int once;
if (!once++)
FIXME("(%p,%p): stub!\n", process, cycle);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* QueryThreadCycleTime (KERNEL32.@)
*/
BOOL WINAPI QueryThreadCycleTime(HANDLE thread, PULONG64 cycle)
{
static int once;
if (!once++)
FIXME("(%p,%p): stub!\n", thread, cycle);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/******************************************************************************
* GetTickCount64 (KERNEL32.@)
*/
ULONGLONG WINAPI DECLSPEC_HOTPATCH GetTickCount64(void)
{
return monotonic_counter() / TICKSPERMSEC;
}
/***********************************************************************
* GetTickCount (KERNEL32.@)
*
* Get the number of milliseconds the system has been running.
*
* PARAMS
* None.
*
* RETURNS
* The current tick count.
*
* NOTES
* The value returned will wrap around every 2^32 milliseconds.
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetTickCount(void)
{
return monotonic_counter() / TICKSPERMSEC;
}
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