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/*
* Copyright (c) 2002-2019 Balabit
* Copyright (c) 1998-2019 Balázs Scheidler
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef TIMEUTILS_CONV_H_INCLUDED
#define TIMEUTILS_CONV_H_INCLUDED
#include "timeutils/unixtime.h"
#include "timeutils/wallclocktime.h"
/*
* The algorithm that takes a WallClockTime and converts it to UnixTime
* mutates the WallClockTime, contrary to intuitions (this behavior is
* inherited from mktime, which we use in the implementation). We therefore
* introduce a second set of set_from() functions, so we have two sets:
*
* 1) one that takes a const WallClockTime
* 2) one that mutates its argument
*
* The second one is qualified with the word "normalized".
*/
void convert_wall_clock_time_to_unix_time(const WallClockTime *src, UnixTime *dst);
void convert_wall_clock_time_to_unix_time_with_tz_hint(const WallClockTime *src, UnixTime *dst, long gmtoff_hint);
/* these change the WallClockTime while setting unix time, just as mktime() would */
void convert_and_normalize_wall_clock_time_to_unix_time(WallClockTime *src, UnixTime *dst);
void convert_and_normalize_wall_clock_time_to_unix_time_with_tz_hint(WallClockTime *src, UnixTime *dst,
long gmtoff_hint);
void convert_unix_time_to_wall_clock_time(const UnixTime *src, WallClockTime *dst);
void convert_unix_time_to_wall_clock_time_with_tz_override(const UnixTime *src, WallClockTime *dst,
gint gmtoff_override);
#endif
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