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/*
This file is part of Warzone 2100.
Copyright (C) 2020 Warzone 2100 Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 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 General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "wztime.h"
#include <iomanip>
#include <sstream>
#include "wzglobal.h"
#include "frame.h"
tm getUtcTime(std::time_t const &timer)
{
struct tm timeinfo = {};
#if defined(WZ_OS_WIN)
if (gmtime_s(&timeinfo, &timer) != 0)
{
// Invalid argument to gmtime_s
debug(LOG_ERROR, "Invalid time_t argument");
}
#else
if (!gmtime_r(&timer, &timeinfo))
{
debug(LOG_ERROR, "gmtime_r failed");
}
#endif
return timeinfo;
}
optional<tm> getLocalTimeOpt(std::time_t const &timer, bool quiet)
{
struct tm timeinfo = {};
#if defined(WZ_OS_WIN)
errno_t result = localtime_s(&timeinfo, &timer);
if (result != 0)
{
if (!quiet)
{
char sys_msg[80];
if (strerror_s(sys_msg, sizeof(sys_msg), result) != 0)
{
strncpy(sys_msg, "unknown error", sizeof(sys_msg));
}
debug(LOG_ERROR, "localtime_s failed with error: %s", sys_msg);
}
return nullopt;
}
#else
if (!localtime_r(&timer, &timeinfo))
{
if (!quiet)
{
debug(LOG_ERROR, "localtime_r failed");
}
return nullopt;
}
#endif
return timeinfo;
}
tm getLocalTime(std::time_t const &timer, bool quiet)
{
auto result = getLocalTimeOpt(timer, quiet);
if (!result.has_value())
{
struct tm zeroResult = {};
return zeroResult;
}
return result.value();
}
static std::string const formatLocalDateTime_Internal(char const *format, tm const &tmVal, optional<std::locale> locale = nullopt)
{
std::stringstream ss;
if (locale.has_value())
{
ss.imbue(locale.value());
}
ss << std::put_time(&tmVal, format);
return ss.str();
}
std::string const formatLocalDateTime(char const *format, std::time_t const &timer)
{
auto timeinfo = getLocalTime(timer);
return formatLocalDateTime_Internal(format, timeinfo);
}
std::string const formatLocalDateTime(char const *format)
{
auto timeinfo = getLocalTime(std::time(nullptr));
return formatLocalDateTime_Internal(format, timeinfo);
}
std::string const getAscTime(tm const &tmVal)
{
return formatLocalDateTime_Internal("%c", tmVal, std::locale::classic());
}
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