469 lines
15 KiB
C++
469 lines
15 KiB
C++
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h> /* gettimeofday */
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#include <dirent.h>
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#include <unistd.h>
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#include <time.h>
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#include <windows.h>
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// #define TRACEN(u) u;
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#define TRACEN(u) /* */
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typedef LONG NTSTATUS;
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#define STATUS_SUCCESS 0x00000000
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#define TICKSPERSEC 10000000
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#define TICKSPERMSEC 10000
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#define SECSPERDAY 86400
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#define SECSPERHOUR 3600
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#define SECSPERMIN 60
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#define MINSPERHOUR 60
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#define HOURSPERDAY 24
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#define EPOCHWEEKDAY 1 /* Jan 1, 1601 was Monday */
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#define DAYSPERWEEK 7
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#define EPOCHYEAR 1601
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#define DAYSPERNORMALYEAR 365
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#define DAYSPERLEAPYEAR 366
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#define MONSPERYEAR 12
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#define DAYSPERQUADRICENTENNIUM (365 * 400 + 97)
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#define DAYSPERNORMALCENTURY (365 * 100 + 24)
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#define DAYSPERNORMALQUADRENNIUM (365 * 4 + 1)
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/* 1601 to 1970 is 369 years plus 89 leap days */
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#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
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#define TICKS_1601_TO_1970 (SECS_1601_TO_1970 * TICKSPERSEC)
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/* 1601 to 1980 is 379 years plus 91 leap days */
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#define SECS_1601_TO_1980 ((379 * 365 + 91) * (ULONGLONG)SECSPERDAY)
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#define TICKS_1601_TO_1980 (SECS_1601_TO_1980 * TICKSPERSEC)
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typedef short CSHORT;
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static LONG TIME_GetBias() {
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time_t utc = time(NULL);
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struct tm *ptm = localtime(&utc);
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int localdaylight = ptm->tm_isdst; /* daylight for local timezone */
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ptm = gmtime(&utc);
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ptm->tm_isdst = localdaylight; /* use local daylight, not that of Greenwich */
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LONG bias = (int)(mktime(ptm)-utc);
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TRACEN((printf("TIME_GetBias %ld\n",(long)bias)))
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return bias;
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}
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static inline void RtlSystemTimeToLocalTime( const LARGE_INTEGER *SystemTime,
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LARGE_INTEGER *LocalTime ) {
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LONG bias = TIME_GetBias();
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LocalTime->QuadPart = SystemTime->QuadPart - bias * (LONGLONG)TICKSPERSEC;
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}
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void WINAPI RtlSecondsSince1970ToFileTime( DWORD Seconds, FILETIME * ft ) {
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ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
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ft->dwLowDateTime = (DWORD)secs;
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ft->dwHighDateTime = (DWORD)(secs >> 32);
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TRACEN((printf("RtlSecondsSince1970ToFileTime %lx => %lx %lx\n",(long)Seconds,(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
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}
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/*
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void WINAPI RtlSecondsSince1970ToTime( DWORD Seconds, LARGE_INTEGER *Time )
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{
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ULONGLONG secs = Seconds * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
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// Time->u.LowPart = (DWORD)secs; Time->u.HighPart = (DWORD)(secs >> 32);
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Time->QuadPart = secs;
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}
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*/
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BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, FILETIME * ft)
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{
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struct tm newtm;
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#ifndef ENV_HAVE_TIMEGM
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struct tm *gtm;
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time_t time1, time2;
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#endif
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TRACEN((printf("DosDateTimeToFileTime\n")))
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newtm.tm_sec = (fattime & 0x1f) * 2;
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newtm.tm_min = (fattime >> 5) & 0x3f;
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newtm.tm_hour = (fattime >> 11);
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newtm.tm_mday = (fatdate & 0x1f);
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newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
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newtm.tm_year = (fatdate >> 9) + 80;
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newtm.tm_isdst = -1;
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#ifdef ENV_HAVE_TIMEGM
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RtlSecondsSince1970ToFileTime( timegm(&newtm), ft );
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#else
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newtm.tm_isdst = 0;
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time1 = mktime(&newtm);
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gtm = gmtime(&time1);
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time2 = mktime(gtm);
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RtlSecondsSince1970ToFileTime( 2*time1-time2, ft );
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#endif
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TRACEN((printf("DosDateTimeToFileTime(%ld,%ld) => %lx %lx\n",
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(long)fatdate,(long)fattime,
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(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
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return TRUE;
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}
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/*
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BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, FILETIME * ft) {
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struct tm newtm;
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TRACEN((printf("DosDateTimeToFileTime\n")))
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memset(&newtm,0,sizeof(newtm));
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newtm.tm_sec = (fattime & 0x1f) * 2;
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newtm.tm_min = (fattime >> 5) & 0x3f;
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newtm.tm_hour = (fattime >> 11);
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newtm.tm_mday = (fatdate & 0x1f);
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newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
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newtm.tm_year = (fatdate >> 9) + 80;
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newtm.tm_isdst = -1;
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time_t time1 = mktime(&newtm);
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LONG bias = TIME_GetBias();
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RtlSecondsSince1970ToFileTime( time1 - bias, ft );
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TRACEN((printf("DosDateTimeToFileTime(%ld,%ld) t1=%ld => %lx %lx\n",
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(long)fatdate,(long)fattime,(long)time1,
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(long)ft->dwHighDateTime,(long)ft->dwLowDateTime)))
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return TRUE;
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}
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*/
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BOOLEAN WINAPI RtlTimeToSecondsSince1970( const LARGE_INTEGER *Time, DWORD *Seconds ) {
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ULONGLONG tmp = Time->QuadPart;
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TRACEN((printf("RtlTimeToSecondsSince1970-1 %llx\n",tmp)))
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tmp /= TICKSPERSEC;
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tmp -= SECS_1601_TO_1970;
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TRACEN((printf("RtlTimeToSecondsSince1970-2 %llx\n",tmp)))
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if (tmp > 0xffffffff) return FALSE;
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*Seconds = (DWORD)tmp;
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return TRUE;
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}
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BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, WORD *fatdate, WORD *fattime ) {
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LARGE_INTEGER li;
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ULONG t;
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time_t unixtime;
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struct tm* tm;
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WORD fat_d,fat_t;
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TRACEN((printf("FileTimeToDosDateTime\n")))
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li.QuadPart = ft->dwHighDateTime;
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li.QuadPart = (li.QuadPart << 32) | ft->dwLowDateTime;
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RtlTimeToSecondsSince1970( &li, &t );
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unixtime = t; /* unixtime = t; * FIXME unixtime = t - TIME_GetBias(); */
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tm = gmtime( &unixtime );
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fat_t = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
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fat_d = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5) + tm->tm_mday;
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if (fattime)
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*fattime = fat_t;
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if (fatdate)
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*fatdate = fat_d;
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TRACEN((printf("FileTimeToDosDateTime : %lx %lx => %d %d\n",
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(long)ft->dwHighDateTime,(long)ft->dwLowDateTime,(unsigned)fat_d,(unsigned)fat_t)))
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return TRUE;
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}
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BOOL WINAPI FileTimeToLocalFileTime( const FILETIME *utcft, FILETIME * localft ) {
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LARGE_INTEGER local, utc;
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TRACEN((printf("FileTimeToLocalFileTime\n")))
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utc.QuadPart = utcft->dwHighDateTime;
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utc.QuadPart = (utc.QuadPart << 32) | utcft->dwLowDateTime;
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RtlSystemTimeToLocalTime( &utc, &local );
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localft->dwLowDateTime = (DWORD)local.QuadPart;
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localft->dwHighDateTime = (DWORD)(local.QuadPart >> 32);
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return TRUE;
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}
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typedef struct _TIME_FIELDS {
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CSHORT Year;
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CSHORT Month;
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CSHORT Day;
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CSHORT Hour;
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CSHORT Minute;
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CSHORT Second;
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CSHORT Milliseconds;
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CSHORT Weekday;
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} TIME_FIELDS;
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static const int MonthLengths[2][MONSPERYEAR] =
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{
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{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
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{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
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};
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static inline int IsLeapYear(int Year) {
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return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) ? 1 : 0;
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}
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static inline VOID WINAPI RtlTimeToTimeFields(
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const LARGE_INTEGER *liTime,
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TIME_FIELDS * TimeFields) {
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int SecondsInDay;
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long int cleaps, years, yearday, months;
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long int Days;
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LONGLONG Time;
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/* Extract millisecond from time and convert time into seconds */
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TimeFields->Milliseconds =
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(CSHORT) (( liTime->QuadPart % TICKSPERSEC) / TICKSPERMSEC);
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Time = liTime->QuadPart / TICKSPERSEC;
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/* The native version of RtlTimeToTimeFields does not take leap seconds
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* into account */
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/* Split the time into days and seconds within the day */
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Days = Time / SECSPERDAY;
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SecondsInDay = Time % SECSPERDAY;
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/* compute time of day */
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TimeFields->Hour = (CSHORT) (SecondsInDay / SECSPERHOUR);
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SecondsInDay = SecondsInDay % SECSPERHOUR;
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TimeFields->Minute = (CSHORT) (SecondsInDay / SECSPERMIN);
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TimeFields->Second = (CSHORT) (SecondsInDay % SECSPERMIN);
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/* compute day of week */
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TimeFields->Weekday = (CSHORT) ((EPOCHWEEKDAY + Days) % DAYSPERWEEK);
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/* compute year, month and day of month. */
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cleaps=( 3 * ((4 * Days + 1227) / DAYSPERQUADRICENTENNIUM) + 3 ) / 4;
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Days += 28188 + cleaps;
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years = (20 * Days - 2442) / (5 * DAYSPERNORMALQUADRENNIUM);
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yearday = Days - (years * DAYSPERNORMALQUADRENNIUM)/4;
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months = (64 * yearday) / 1959;
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/* the result is based on a year starting on March.
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* To convert take 12 from Januari and Februari and
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* increase the year by one. */
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if( months < 14 ) {
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TimeFields->Month = months - 1;
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TimeFields->Year = years + 1524;
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} else {
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TimeFields->Month = months - 13;
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TimeFields->Year = years + 1525;
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}
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/* calculation of day of month is based on the wonderful
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* sequence of INT( n * 30.6): it reproduces the
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* 31-30-31-30-31-31 month lengths exactly for small n's */
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TimeFields->Day = yearday - (1959 * months) / 64 ;
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}
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BOOL WINAPI FileTimeToSystemTime( const FILETIME *ft, SYSTEMTIME * syst ) {
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TIME_FIELDS tf;
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LARGE_INTEGER t;
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TRACEN((printf("FileTimeToSystemTime\n")))
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t.QuadPart = ft->dwHighDateTime;
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t.QuadPart = (t.QuadPart << 32) | ft->dwLowDateTime;
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RtlTimeToTimeFields(&t, &tf);
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syst->wYear = tf.Year;
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syst->wMonth = tf.Month;
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syst->wDay = tf.Day;
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syst->wHour = tf.Hour;
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syst->wMinute = tf.Minute;
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syst->wSecond = tf.Second;
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syst->wMilliseconds = tf.Milliseconds;
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syst->wDayOfWeek = tf.Weekday;
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return TRUE;
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}
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static inline NTSTATUS WINAPI RtlLocalTimeToSystemTime( const LARGE_INTEGER *LocalTime,
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LARGE_INTEGER *SystemTime) {
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TRACEN((printf("RtlLocalTimeToSystemTime\n")))
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LONG bias = TIME_GetBias();
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SystemTime->QuadPart = LocalTime->QuadPart + bias * (LONGLONG)TICKSPERSEC;
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return STATUS_SUCCESS;
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}
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BOOL WINAPI LocalFileTimeToFileTime( const FILETIME *localft, FILETIME * utcft ) {
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LARGE_INTEGER local, utc;
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TRACEN((printf("LocalFileTimeToFileTime\n")))
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local.QuadPart = localft->dwHighDateTime;
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local.QuadPart = (local.QuadPart << 32) | localft->dwLowDateTime;
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RtlLocalTimeToSystemTime( &local, &utc );
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utcft->dwLowDateTime = (DWORD)utc.QuadPart;
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utcft->dwHighDateTime = (DWORD)(utc.QuadPart >> 32);
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return TRUE;
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}
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/*********************************************************************
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* GetSystemTime (KERNEL32.@)
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*
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* Get the current system time.
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*
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* RETURNS
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* Nothing.
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*/
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VOID WINAPI GetSystemTime(SYSTEMTIME * systime) /* [O] Destination for current time */
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{
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FILETIME ft;
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LARGE_INTEGER t;
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TRACEN((printf("GetSystemTime\n")))
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struct timeval now;
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gettimeofday( &now, 0 );
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t.QuadPart = now.tv_sec * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
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t.QuadPart += now.tv_usec * 10;
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ft.dwLowDateTime = (DWORD)(t.QuadPart);
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ft.dwHighDateTime = (DWORD)(t.QuadPart >> 32);
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FileTimeToSystemTime(&ft, systime);
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}
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/******************************************************************************
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* RtlTimeFieldsToTime [NTDLL.@]
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*
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* Convert a TIME_FIELDS structure into a time.
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*
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* PARAMS
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* ftTimeFields [I] TIME_FIELDS structure to convert.
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* Time [O] Destination for the converted time.
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*
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* RETURNS
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* Success: TRUE.
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* Failure: FALSE.
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*/
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static BOOLEAN WINAPI RtlTimeFieldsToTime(
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TIME_FIELDS * tfTimeFields,
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LARGE_INTEGER *Time)
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{
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int month, year, cleaps, day;
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TRACEN((printf("RtlTimeFieldsToTime\n")))
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/* FIXME: normalize the TIME_FIELDS structure here */
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/* No, native just returns 0 (error) if the fields are not */
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if( tfTimeFields->Milliseconds< 0 || tfTimeFields->Milliseconds > 999 ||
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tfTimeFields->Second < 0 || tfTimeFields->Second > 59 ||
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tfTimeFields->Minute < 0 || tfTimeFields->Minute > 59 ||
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tfTimeFields->Hour < 0 || tfTimeFields->Hour > 23 ||
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tfTimeFields->Month < 1 || tfTimeFields->Month > 12 ||
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tfTimeFields->Day < 1 ||
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tfTimeFields->Day > MonthLengths
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[ tfTimeFields->Month ==2 || IsLeapYear(tfTimeFields->Year)]
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[ tfTimeFields->Month - 1] ||
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tfTimeFields->Year < 1601 )
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return FALSE;
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/* now calculate a day count from the date
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* First start counting years from March. This way the leap days
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* are added at the end of the year, not somewhere in the middle.
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* Formula's become so much less complicate that way.
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* To convert: add 12 to the month numbers of Jan and Feb, and
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* take 1 from the year */
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if(tfTimeFields->Month < 3) {
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month = tfTimeFields->Month + 13;
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year = tfTimeFields->Year - 1;
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} else {
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month = tfTimeFields->Month + 1;
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year = tfTimeFields->Year;
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}
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cleaps = (3 * (year / 100) + 3) / 4; /* nr of "century leap years"*/
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day = (36525 * year) / 100 - cleaps + /* year * dayperyr, corrected */
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(1959 * month) / 64 + /* months * daypermonth */
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tfTimeFields->Day - /* day of the month */
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584817 ; /* zero that on 1601-01-01 */
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/* done */
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Time->QuadPart = (((((LONGLONG) day * HOURSPERDAY +
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tfTimeFields->Hour) * MINSPERHOUR +
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tfTimeFields->Minute) * SECSPERMIN +
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tfTimeFields->Second ) * 1000 +
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tfTimeFields->Milliseconds ) * TICKSPERMSEC;
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return TRUE;
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}
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/*********************************************************************
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* SystemTimeToFileTime (KERNEL32.@)
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*/
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BOOL WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, FILETIME * ft ) {
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TIME_FIELDS tf;
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LARGE_INTEGER t;
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TRACEN((printf("SystemTimeToFileTime\n")))
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tf.Year = syst->wYear;
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tf.Month = syst->wMonth;
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tf.Day = syst->wDay;
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tf.Hour = syst->wHour;
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tf.Minute = syst->wMinute;
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tf.Second = syst->wSecond;
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tf.Milliseconds = syst->wMilliseconds;
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RtlTimeFieldsToTime(&tf, &t);
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ft->dwLowDateTime = (DWORD)t.QuadPart;
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ft->dwHighDateTime = (DWORD)(t.QuadPart>>32);
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return TRUE;
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}
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/***********************************************************************
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* GetSystemTimeAsFileTime (KERNEL32.@)
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*
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* Get the current time in utc format.
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*
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* RETURNS
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* Nothing.
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*/
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VOID WINAPI GetSystemTimeAsFileTime(
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FILETIME * time) /* [out] Destination for the current utc time */
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{
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LARGE_INTEGER t;
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/*
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NtQuerySystemTime( &t );
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*/
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struct timeval now;
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gettimeofday( &now, 0 );
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t.QuadPart = now.tv_sec * (ULONGLONG)TICKSPERSEC + TICKS_1601_TO_1970;
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t.QuadPart += now.tv_usec * 10;
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time->dwLowDateTime = (DWORD)(t.QuadPart);
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time->dwHighDateTime = (DWORD)(t.QuadPart >> 32);
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}
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DWORD WINAPI GetTickCount(VOID) { // Retrieves the number of milliseconds
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timeval v;
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|
if (gettimeofday(&v, 0) == 0)
|
|
{
|
|
return (DWORD)(v.tv_sec * (UInt64)1000 + v.tv_usec / 1000);
|
|
}
|
|
return (DWORD)time(0)*1000;
|
|
}
|
|
|