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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
*
* This program 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.
* 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 General Public License for more details.
* You should have received a copy of the GNU 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.
*
* $Header$
*
*/
#include <time.h>
time_t time(time_t *tloc) {
// get ROM version
UInt32 romVersion;
Err e = FtrGet(sysFtrCreator, sysFtrNumROMVersion, &romVersion);
// since 1/1/1904 12AM.
UInt32 secs = TimGetSeconds();
// form 1/1/1904 12AM to 1/1/1970 12AM
DateTimeType Epoch = {0, 0, 0, 1, 1, 1970, 0};
secs -= TimDateTimeToSeconds(&Epoch);
// DST really supported from OS v4.0
if (romVersion >= sysMakeROMVersion(4,0,0,sysROMStageRelease,0))
secs -= (PrefGetPreference(prefTimeZone) + PrefGetPreference(prefDaylightSavingAdjustment)) * 60;
else
secs -= (PrefGetPreference(prefMinutesWestOfGMT) - 720) * 60;
if (tloc)
*tloc = secs;
return (secs);
}
struct tm *localtime(const time_t *timer) {
static struct tm tmDate;
DateTimeType dt;
UInt32 secs = *timer;
// get ROM version
UInt32 romVersion;
Err e = FtrGet(sysFtrCreator, sysFtrNumROMVersion, &romVersion);
// form 1/1/1904 12AM to 1/1/1970 12AM
DateTimeType Epoch = {0, 0, 0, 1, 1, 1970, 0};
// timer supposed to be based on Epoch
secs += TimDateTimeToSeconds(&Epoch);
// DST really supported from OS v4.0
if (romVersion >= sysMakeROMVersion(4,0,0,sysROMStageRelease,0))
secs += (PrefGetPreference(prefTimeZone) + PrefGetPreference(prefDaylightSavingAdjustment)) * 60;
else
secs += (PrefGetPreference(prefMinutesWestOfGMT) - 720) * 60; // no sure about this one
TimSecondsToDateTime (secs, &dt);
tmDate.tm_sec = dt.second;
tmDate.tm_min = dt.minute;
tmDate.tm_hour = dt.hour;
tmDate.tm_mday = dt.day;
tmDate.tm_mon = dt.month - 1;
tmDate.tm_year = dt.year - 1900;
tmDate.tm_wday = dt.weekDay;
return &tmDate;
}
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