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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(WINDOWS) | |
31 #include <windows.h> | |
32 #else | |
33 #include <time.h> | |
34 #endif | |
35 | |
36 namespace WTF { | |
37 | |
38 void GregorianDateTime::setToCurrentLocalTime() | |
39 { | |
40 #if OS(WINDOWS) | |
41 SYSTEMTIME systemTime; | |
42 GetLocalTime(&systemTime); | |
43 TIME_ZONE_INFORMATION timeZoneInformation; | |
44 DWORD timeZoneId = GetTimeZoneInformation(&timeZoneInformation); | |
45 | |
46 LONG bias = timeZoneInformation.Bias; | |
47 if (timeZoneId == TIME_ZONE_ID_DAYLIGHT) | |
48 bias += timeZoneInformation.DaylightBias; | |
49 else if (timeZoneId == TIME_ZONE_ID_STANDARD) | |
50 bias += timeZoneInformation.StandardBias; | |
51 else | |
52 ASSERT(timeZoneId == TIME_ZONE_ID_UNKNOWN); | |
53 | |
54 m_year = systemTime.wYear; | |
55 m_month = systemTime.wMonth - 1; | |
56 m_monthDay = systemTime.wDay; | |
57 m_yearDay = dayInYear(m_year, m_month, m_monthDay); | |
58 m_weekDay = systemTime.wDayOfWeek; | |
59 m_hour = systemTime.wHour; | |
60 m_minute = systemTime.wMinute; | |
61 m_second = systemTime.wSecond; | |
62 m_utcOffset = -bias * secondsPerMinute; | |
63 m_isDST = timeZoneId == TIME_ZONE_ID_DAYLIGHT ? 1 : 0; | |
64 #else | |
65 tm localTM; | |
66 time_t localTime = time(0); | |
67 localtime_r(&localTime, &localTM); | |
68 | |
69 m_year = localTM.tm_year + 1900; | |
70 m_month = localTM.tm_mon; | |
71 m_monthDay = localTM.tm_mday; | |
72 m_yearDay = localTM.tm_yday; | |
73 m_weekDay = localTM.tm_wday; | |
74 m_hour = localTM.tm_hour; | |
75 m_minute = localTM.tm_min; | |
76 m_second = localTM.tm_sec; | |
77 m_isDST = localTM.tm_isdst; | |
78 #if HAVE(TM_GMTOFF) | |
79 m_utcOffset = localTM.tm_gmtoff; | |
80 #else | |
81 int utcOffset = calculateUTCOffset(); | |
82 utcOffset += calculateDSTOffset(localTime * msPerSecond, utcOffset); | |
83 m_utcOffset = utcOffset / msPerSecond; | |
84 #endif | |
85 #endif | |
86 } | |
87 | |
88 } // namespace WTF | |
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