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/*
Miranda ICQ: the free icq client for MS Windows
Copyright (C) 2000-2 Richard Hughes, Roland Rabien & Tristan Van de Vreede
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
static int daysInMonth[]={31,28,31,30,31,30,31,31,30,31,30,31};
static int IsLeapYear(int year)
{
if (year&3) return 0;
if (year%100) return 1;
if (year%400) return 0;
return 1;
}
static DWORD YMDHMSToTime(int year,int month,int day,int hour,int minute,int second)
{
DWORD ret=0;
int i;
for(i=1970;i<year;i++) ret+=365+IsLeapYear(i);
for(i=0;i<month-1;i++) ret+=daysInMonth[i];
if (month>2 && IsLeapYear(year)) ret++;
ret+=day-1;
ret*=24*3600;
return ret+3600*hour+60*minute+second;
}
static DWORD TimestampLocalToGMT(DWORD from)
{
FILETIME ft1,ft2;
LARGE_INTEGER liFiletime;
//this huge number is the difference between 1970 and 1601 in seconds
//liFiletime.QuadPart=(11644473600i64+(__int64)from)*10000000;
__int64 t = 11644473600;
liFiletime.QuadPart=(t+(__int64)from)*10000000;
ft1.dwHighDateTime=liFiletime.HighPart;
ft1.dwLowDateTime=liFiletime.LowPart;
LocalFileTimeToFileTime(&ft1,&ft2);
liFiletime.HighPart=ft2.dwHighDateTime;
liFiletime.LowPart=ft2.dwLowDateTime;
return (DWORD)(liFiletime.QuadPart/10000000-t);
}
DWORD get_time()
{
SYSTEMTIME stime;
GetSystemTime(&stime);
return YMDHMSToTime(stime.wYear,stime.wMonth,stime.wDay,stime.wHour,stime.wMinute,stime.wSecond);
}
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