/*
* 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 <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h> /* gettimeofday */
#include <dirent.h>
#include <unistd.h>
#include <time.h>
#include <windows.h>
// #define TRACEN(u) u;
#define TRACEN(u) /* */
typedef LONG NTSTATUS;
#define STATUS_SUCCESS 0x00000000
#define TICKSPERSEC 10000000
#define TICKSPERMSEC 10000
#define SECSPERDAY 86400
#define SECSPERHOUR 3600
#define SECSPERMIN 60
#define MINSPERHOUR 60
#define HOURSPERDAY 24
#define EPOCHWEEKDAY 1 /* Jan 1, 1601 was Monday */
#define DAYSPERWEEK 7
#define EPOCHYEAR 1601
#define DAYSPERNORMALYEAR 365
#define DAYSPERLEAPYEAR 366
#define MONSPERYEAR 12
#define DAYSPERQUADRICENTENNIUM (365 * 400 + 97)
#define DAYSPERNORMALCENTURY (365 * 100 + 24)
#define DAYSPERNORMALQUADRENNIUM (365 * 4 + 1)
/* 1601 to 1970 is 369 years plus 89 leap days */
#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
#define TICKS_1601_TO_1970 (SECS_1601_TO_1970 * TICKSPERSEC)
/* 1601 to 1980 is 379 years plus 91 leap days */
#define SECS_1601_TO_1980 ((379 * 365 + 91) * (ULONGLONG)SECSPERDAY)
#define TICKS_1601_TO_1980 (SECS_1601_TO_1980 * TICKSPERSEC)
typedef short CSHORT;
static LONG TIME_GetBias() {
time_t utc = time(NULL);
struct tm *ptm = localtime(&utc);
int localdaylight = ptm->tm_isdst; /* daylight for local timezone */
ptm = gmtime(&utc);
ptm->tm_isdst = localdaylight; /* use local daylight, not that of Greenwich */
LONG bias = (int)(mktime(ptm)-utc);
TRACEN((printf("TIME_GetBias %ld\n",(long)bias)))
return bias;
}
static inline void RtlSystemTimeToLocalTime( const LARGE_INTEGER *SystemTime,
LARGE_INTEGER *LocalTime ) {
LONG bias = TIME_GetBias();
LocalTime->QuadPart = SystemTime->QuadPart - bias * (LONGLONG)TICKSPERSEC;
}
void WINAPI RtlSecondsSince1970ToFileTime( DWORD Seconds, FILETIME * ft ) {
ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
ft->dwLowDateTime = (DWORD)secs;
ft->dwHighDateTime = (DWORD)(secs >> 32);
TRACEN((printf("RtlSecondsSince1970ToFileTime %lx => %lx %lx\n",(long)Seconds,(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
}
/*
void WINAPI RtlSecondsSince1970ToTime( DWORD Seconds, LARGE_INTEGER *Time )
{
ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
// Time->u.LowPart = (DWORD)secs; Time->u.HighPart = (DWORD)(secs >> 32);
Time->QuadPart = secs;
}
*/
BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, FILETIME * ft)
{
struct tm newtm;
#ifndef ENV_HAVE_TIMEGM
struct tm *gtm;
time_t time1, time2;
#endif
TRACEN((printf("DosDateTimeToFileTime\n")))
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 ENV_HAVE_TIMEGM
RtlSecondsSince1970ToFileTime( timegm(&newtm), ft );
#else
newtm.tm_isdst = 0;
time1 = mktime(&newtm);
gtm = gmtime(&time1);
time2 = mktime(gtm);
RtlSecondsSince1970ToFileTime( 2*time1-time2, ft );
#endif
TRACEN((printf("DosDateTimeToFileTime(%ld,%ld) => %lx %lx\n",
(long)fatdate,(long)fattime,
(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
return TRUE;
}
/*
BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, FILETIME * ft) {
struct tm newtm;
TRACEN((printf("DosDateTimeToFileTime\n")))
memset(&newtm,0,sizeof(newtm));
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;
time_t time1 = mktime(&newtm);
LONG bias = TIME_GetBias();
RtlSecondsSince1970ToFileTime( time1 - bias, ft );
TRACEN((printf("DosDateTimeToFileTime(%ld,%ld) t1=%ld => %lx %lx\n",
(long)fatdate,(long)fattime,(long)time1,
(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
return TRUE;
}
*/
BOOLEAN WINAPI RtlTimeToSecondsSince1970( const LARGE_INTEGER *Time, DWORD *Seconds ) {
ULONGLONG tmp = Time->QuadPart;
TRACEN((printf("RtlTimeToSecondsSince1970-1 %llx\n",tmp)))
tmp /= TICKSPERSEC;
tmp -= SECS_1601_TO_1970;
TRACEN((printf("RtlTimeToSecondsSince1970-2 %llx\n",tmp)))
if (tmp > 0xffffffff) return FALSE;
*Seconds = (DWORD)tmp;
return TRUE;
}
BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, WORD *fatdate, WORD *fattime ) {
LARGE_INTEGER li;
ULONG t;
time_t unixtime;
struct tm* tm;
WORD fat_d,fat_t;
TRACEN((printf("FileTimeToDosDateTime\n")))
li.QuadPart = ft->dwHighDateTime;
li.QuadPart = (li.QuadPart << 32) | ft->dwLowDateTime;
RtlTimeToSecondsSince1970( &li, &t );
unixtime = t; /* unixtime = t; * FIXME unixtime = t - TIME_GetBias(); */
tm = gmtime( &unixtime );
fat_t = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
fat_d = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5) + tm->tm_mday;
if (fattime)
*fattime = fat_t;
if (fatdate)
*fatdate = fat_d;
TRACEN((printf("FileTimeToDosDateTime : %lx %lx => %d %d\n",
(long)ft->dwHighDateTime,(long)ft->dwLowDateTime,(unsigned)fat_d,(unsigned)fat_t)))
return TRUE;
}
BOOL WINAPI FileTimeToLocalFileTime( const FILETIME *utcft, FILETIME * localft ) {
LARGE_INTEGER local, utc;
TRACEN((printf("FileTimeToLocalFileTime\n")))
utc.QuadPart = utcft->dwHighDateTime;
utc.QuadPart = (utc.QuadPart << 32) | utcft->dwLowDateTime;
RtlSystemTimeToLocalTime( &utc, &local );
localft->dwLowDateTime = (DWORD)local.QuadPart;
localft->dwHighDateTime = (DWORD)(local.QuadPart >> 32);
return TRUE;
}
typedef struct _TIME_FIELDS {
CSHORT Year;
CSHORT Month;
CSHORT Day;
CSHORT Hour;
CSHORT Minute;
CSHORT Second;
CSHORT Milliseconds;
CSHORT Weekday;
} TIME_FIELDS;
static const int MonthLengths[2][MONSPERYEAR] =
{
{ 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 int IsLeapYear(int Year) {
return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) ? 1 : 0;
}
static inline VOID WINAPI RtlTimeToTimeFields(
const LARGE_INTEGER *liTime,
TIME_FIELDS * TimeFields) {
int SecondsInDay;
long int cleaps, years, yearday, months;
long int Days;
LONGLONG Time;
/* Extract millisecond from time and convert time into seconds */
TimeFields->Milliseconds =
(CSHORT) (( liTime->QuadPart % TICKSPERSEC) / TICKSPERMSEC);
Time = liTime->QuadPart / TICKSPERSEC;
/* The native version of RtlTimeToTimeFields does not take leap seconds
* into account */
/* Split the time into days and seconds within the day */
Days = Time / SECSPERDAY;
SecondsInDay = Time % SECSPERDAY;
/* compute time of day */
TimeFields->Hour = (CSHORT) (SecondsInDay / SECSPERHOUR);
SecondsInDay = SecondsInDay % SECSPERHOUR;
TimeFields->Minute = (CSHORT) (SecondsInDay / SECSPERMIN);
TimeFields->Second = (CSHORT) (SecondsInDay % SECSPERMIN);
/* compute day of week */
TimeFields->Weekday = (CSHORT) ((EPOCHWEEKDAY + Days) % DAYSPERWEEK);
/* compute year, month and day of month. */
cleaps=( 3 * ((4 * Days + 1227) / DAYSPERQUADRICENTENNIUM) + 3 ) / 4;
Days += 28188 + cleaps;
years = (20 * Days - 2442) / (5 * DAYSPERNORMALQUADRENNIUM);
yearday = Days - (years * DAYSPERNORMALQUADRENNIUM)/4;
months = (64 * yearday) / 1959;
/* the result is based on a year starting on March.
* To convert take 12 from Januari and Februari and
* increase the year by one. */
if( months < 14 ) {
TimeFields->Month = months - 1;
TimeFields->Year = years + 1524;
} else {
TimeFields->Month = months - 13;
TimeFields->Year = years + 1525;
}
/* calculation of day of month is based on the wonderful
* sequence of INT( n * 30.6): it reproduces the
* 31-30-31-30-31-31 month lengths exactly for small n's */
TimeFields->Day = yearday - (1959 * months) / 64 ;
}
BOOL WINAPI FileTimeToSystemTime( const FILETIME *ft, SYSTEMTIME * syst ) {
TIME_FIELDS tf;
LARGE_INTEGER t;
TRACEN((printf("FileTimeToSystemTime\n")))
t.QuadPart = ft->dwHighDateTime;
t.QuadPart = (t.QuadPart << 32) | ft->dwLowDateTime;
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;
}
static inline NTSTATUS WINAPI RtlLocalTimeToSystemTime( const LARGE_INTEGER *LocalTime,
LARGE_INTEGER *SystemTime) {
TRACEN((printf("RtlLocalTimeToSystemTime\n")))
LONG bias = TIME_GetBias();
SystemTime->QuadPart = LocalTime->QuadPart + bias * (LONGLONG)TICKSPERSEC;
return STATUS_SUCCESS;
}
BOOL WINAPI LocalFileTimeToFileTime( const FILETIME *localft, FILETIME * utcft ) {
LARGE_INTEGER local, utc;
TRACEN((printf("LocalFileTimeToFileTime\n")))
local.QuadPart = localft->dwHighDateTime;
local.QuadPart = (local.QuadPart << 32) | localft->dwLowDateTime;
RtlLocalTimeToSystemTime( &local, &utc );
utcft->dwLowDateTime = (DWORD)utc.QuadPart;
utcft->dwHighDateTime = (DWORD)(utc.QuadPart >> 32);
return TRUE;
}
/*********************************************************************
* GetSystemTime (KERNEL32.@)
*
* Get the current system time.
*
* RETURNS
* Nothing.
*/
VOID WINAPI GetSystemTime(SYSTEMTIME * systime) /* [O] Destination for current time */
{
FILETIME ft;
LARGE_INTEGER t;
TRACEN((printf("GetSystemTime\n")))
struct timeval now;
gettimeofday( &now, 0 );
t.QuadPart = now.tv_sec * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
t.QuadPart += now.tv_usec * 10;
ft.dwLowDateTime = (DWORD)(t.QuadPart);
ft.dwHighDateTime = (DWORD)(t.QuadPart >> 32);
FileTimeToSystemTime(&ft, systime);
}
/******************************************************************************
* RtlTimeFieldsToTime [NTDLL.@]
*
* Convert a TIME_FIELDS structure into a time.
*
* PARAMS
* ftTimeFields [I] TIME_FIELDS structure to convert.
* Time [O] Destination for the converted time.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*/
static BOOLEAN WINAPI RtlTimeFieldsToTime(
TIME_FIELDS * tfTimeFields,
LARGE_INTEGER *Time)
{
int month, year, cleaps, day;
TRACEN((printf("RtlTimeFieldsToTime\n")))
/* FIXME: normalize the TIME_FIELDS structure here */
/* No, native just returns 0 (error) if the fields are not */
if( tfTimeFields->Milliseconds< 0 || tfTimeFields->Milliseconds > 999 ||
tfTimeFields->Second < 0 || tfTimeFields->Second > 59 ||
tfTimeFields->Minute < 0 || tfTimeFields->Minute > 59 ||
tfTimeFields->Hour < 0 || tfTimeFields->Hour > 23 ||
tfTimeFields->Month < 1 || tfTimeFields->Month > 12 ||
tfTimeFields->Day < 1 ||
tfTimeFields->Day > MonthLengths
[ tfTimeFields->Month ==2 || IsLeapYear(tfTimeFields->Year)]
[ tfTimeFields->Month - 1] ||
tfTimeFields->Year < 1601 )
return FALSE;
/* now calculate a day count from the date
* First start counting years from March. This way the leap days
* are added at the end of the year, not somewhere in the middle.
* Formula's become so much less complicate that way.
* To convert: add 12 to the month numbers of Jan and Feb, and
* take 1 from the year */
if(tfTimeFields->Month < 3) {
month = tfTimeFields->Month + 13;
year = tfTimeFields->Year - 1;
} else {
month = tfTimeFields->Month + 1;
year = tfTimeFields->Year;
}
cleaps = (3 * (year / 100) + 3) / 4; /* nr of "century leap years"*/
day = (36525 * year) / 100 - cleaps + /* year * dayperyr, corrected */
(1959 * month) / 64 + /* months * daypermonth */
tfTimeFields->Day - /* day of the month */
584817 ; /* zero that on 1601-01-01 */
/* done */
Time->QuadPart = (((((LONGLONG) day * HOURSPERDAY +
tfTimeFields->Hour) * MINSPERHOUR +
tfTimeFields->Minute) * SECSPERMIN +
tfTimeFields->Second ) * 1000 +
tfTimeFields->Milliseconds ) * TICKSPERMSEC;
return TRUE;
}
/*********************************************************************
* SystemTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, FILETIME * ft ) {
TIME_FIELDS tf;
LARGE_INTEGER t;
TRACEN((printf("SystemTimeToFileTime\n")))
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 = (DWORD)t.QuadPart;
ft->dwHighDateTime = (DWORD)(t.QuadPart>>32);
return TRUE;
}
/***********************************************************************
* GetSystemTimeAsFileTime (KERNEL32.@)
*
* Get the current time in utc format.
*
* RETURNS
* Nothing.
*/
VOID WINAPI GetSystemTimeAsFileTime(
FILETIME * time) /* [out] Destination for the current utc time */
{
LARGE_INTEGER t;
/*
NtQuerySystemTime( &t );
*/
struct timeval now;
gettimeofday( &now, 0 );
t.QuadPart = now.tv_sec * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
t.QuadPart += now.tv_usec * 10;
time->dwLowDateTime = (DWORD)(t.QuadPart);
time->dwHighDateTime = (DWORD)(t.QuadPart >> 32);
}
DWORD WINAPI GetTickCount(VOID) { // Retrieves the number of milliseconds
timeval v;
if (gettimeofday(&v, 0) == 0)
{
return (DWORD)(v.tv_sec * (UInt64)1000 + v.tv_usec / 1000);
}
return (DWORD)time(0)*1000;
}