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libreoffice/tools/source/datetime/systemdatetime.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

70 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <chrono>
#include <time.h>
#include <systemdatetime.hxx>
namespace
{
constexpr sal_Int32 ConvertYMDToInt(sal_Int32 nYear, sal_Int32 nMonth, sal_Int32 nDay)
{
return (nYear * 10000) + (nMonth * 100) + nDay;
}
constexpr sal_Int64 ConvertHMSnToInt(sal_Int64 nHour, sal_Int64 nMin, sal_Int64 nSec,
sal_Int64 nNanoSec)
{
return (nHour * HOUR_MASK) + (nMin * MIN_MASK) + (nSec * SEC_MASK) + nNanoSec;
}
}
bool GetSystemDateTime(sal_Int32* pDate, sal_Int64* pTime)
{
auto tp = std::chrono::system_clock::now();
const time_t nTmpTime = std::chrono::system_clock::to_time_t(tp);
struct tm aTime;
#if defined(_WIN32)
bool ok = localtime_s(&aTime, &nTmpTime) == 0;
#else
bool ok = localtime_r(&nTmpTime, &aTime) != nullptr;
#endif
if (ok)
{
if (pDate)
*pDate = ConvertYMDToInt(static_cast<sal_Int32>(aTime.tm_year + 1900),
static_cast<sal_Int32>(aTime.tm_mon + 1),
static_cast<sal_Int32>(aTime.tm_mday));
if (pTime)
{
auto hms = std::chrono::hh_mm_ss(std::chrono::floor<std::chrono::nanoseconds>(
tp - std::chrono::floor<std::chrono::days>(tp)));
auto ns = hms.subseconds().count();
*pTime = ConvertHMSnToInt(aTime.tm_hour, aTime.tm_min, aTime.tm_sec, ns);
}
return true;
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */