gettime.h

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
 
This program 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include <ctime>
#include <string>
 
enum TimePrecision
{
    PRECISION_SECONDS,
    PRECISION_MILLI,
    PRECISION_MICRO,
    PRECISION_NANO
};
 
inline std::string getTimestamp()
{
    time_t t = time(NULL);
    // This is not really thread-safe but it won't break anything
    // except its own output, so just go with it.
    struct tm *tm = localtime(&t);
    char cs[20]; // YYYY-MM-DD HH:MM:SS + '\0'
    strftime(cs, 20, "%Y-%m-%d %H:%M:%S", tm);
    return cs;
}