1/* 2 * Copyright (C) 2012 Patrick Gansterer <paroga@paroga.com> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 20 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include "config.h" 26#include "GregorianDateTime.h" 27 28#include "DateMath.h" 29 30#if OS(WIN) 31#include <windows.h> 32#endif 33 34namespace WTF { 35 36void GregorianDateTime::setToCurrentLocalTime() 37{ 38#if OS(WIN) 39 SYSTEMTIME systemTime; 40 GetLocalTime(&systemTime); 41 TIME_ZONE_INFORMATION timeZoneInformation; 42 DWORD timeZoneId = GetTimeZoneInformation(&timeZoneInformation); 43 44 LONG bias = timeZoneInformation.Bias; 45 if (timeZoneId == TIME_ZONE_ID_DAYLIGHT) 46 bias += timeZoneInformation.DaylightBias; 47 else if (timeZoneId == TIME_ZONE_ID_STANDARD) 48 bias += timeZoneInformation.StandardBias; 49 else 50 ASSERT(timeZoneId == TIME_ZONE_ID_UNKNOWN); 51 52 m_year = systemTime.wYear; 53 m_month = systemTime.wMonth - 1; 54 m_monthDay = systemTime.wDay; 55 m_yearDay = dayInYear(m_year, m_month, m_monthDay); 56 m_weekDay = systemTime.wDayOfWeek; 57 m_hour = systemTime.wHour; 58 m_minute = systemTime.wMinute; 59 m_second = systemTime.wSecond; 60 m_utcOffset = -bias * secondsPerMinute; 61 m_isDST = timeZoneId == TIME_ZONE_ID_DAYLIGHT ? 1 : 0; 62#else 63 tm localTM; 64 time_t localTime = time(0); 65 localtime_r(&localTime, &localTM); 66 67 m_year = localTM.tm_year + 1900; 68 m_month = localTM.tm_mon; 69 m_monthDay = localTM.tm_mday; 70 m_yearDay = localTM.tm_yday; 71 m_weekDay = localTM.tm_wday; 72 m_hour = localTM.tm_hour; 73 m_minute = localTM.tm_min; 74 m_second = localTM.tm_sec; 75 m_isDST = localTM.tm_isdst; 76#if HAVE(TM_GMTOFF) 77 m_utcOffset = localTM.tm_gmtoff; 78#else 79 int utcOffset = calculateUTCOffset(); 80 utcOffset += calculateDSTOffset(localTime * msPerSecond, utcOffset); 81 m_utcOffset = utcOffset / msPerSecond; 82#endif 83#endif 84} 85 86} // namespace WTF 87