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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/String.h>
28#include <LibCore/DateTime.h>
29#include <sys/time.h>
30#include <time.h>
31
32namespace Core {
33
34DateTime DateTime::now()
35{
36 return from_timestamp(time(nullptr));
37}
38
39DateTime DateTime::from_timestamp(time_t timestamp)
40{
41 struct tm tm;
42 localtime_r(×tamp, &tm);
43 DateTime dt;
44 dt.m_year = tm.tm_year + 1900;
45 dt.m_month = tm.tm_mon + 1;
46 dt.m_day = tm.tm_mday;
47 dt.m_hour = tm.tm_hour;
48 dt.m_minute = tm.tm_min;
49 dt.m_second = tm.tm_sec;
50 dt.m_timestamp = timestamp;
51 return dt;
52}
53
54String DateTime::to_string() const
55{
56 return String::format("%04u-%02u-%02u %02u:%02u:%02u", m_year, m_month, m_day, m_hour, m_minute, m_day);
57}
58
59const LogStream& operator<<(const LogStream& stream, const DateTime& value)
60{
61 return stream << value.to_string();
62}
63
64}