difftime.h

来自「funambol window mobile客户端源代码」· C头文件 代码 · 共 65 行

/*
 * Funambol is a mobile platform developed by Funambol, Inc. 
 * Copyright (C) 2003 - 2007 Funambol, Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY FUNAMBOL, FUNAMBOL DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
 * 
 * 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 Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 * 
 * You can contact Funambol, Inc. headquarters at 643 Bair Island Road, Suite
 * 305, Redwood City, CA 94063, USA, or at email address [e-mail].
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Powered by Funambol" logo. If the display of the logo is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by Funambol".
 */

#ifndef INCL_DIFF_TIME
#define INCL_DIFF_TIME

const __int64 nano100SecInWeek=(__int64)10000000*60*60*24*7;
const __int64 nano100SecInDay=(__int64)10000000*60*60*24;
const __int64 nano100SecInHour=(__int64)10000000*60*60;
const __int64 nano100SecInMin=(__int64)10000000*60;
const __int64 nano100SecInSec=(__int64)10000000;

SYSTEMTIME DT_AddDiff (
        const __int64 datepart, /*datepart with we want to manipulate, {nano100SecInDay ...}*/
        const __int64 num, /*value used to increment/decrement datepart*/
        const SYSTEMTIME* pst /*valid datetime which we want change*/
 );

 double DT_PeriodsBetween (
             const __int64 datepart, /*datepart that we want to count, nano100SecInDay ...}*/
             const SYSTEMTIME* pst1, /*valid datetime*/
             const SYSTEMTIME* pst2  /*valid datetime*/
 );

/*
* Function to get the day of week. maybe it's better to put these functions in the api
*/
int	    DayOfWeek( int nYear, int nMonth, int nDay );
int	    CountOfFeb29( int nYear );
bool    IsLeapYear( int nYear );

#endif