timezone.c

Go to the documentation of this file.

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include <time.h>
#include <sys/_tz_structs.h>
#include <stdio.h>
#include <stdlib.h>
#define OSD_CONFIG_NO_LIBCDVD
#include "osd_config.h"
 
static char _ps2sdk_tzname[15];
 
__attribute__((weak))
void _ps2sdk_timezone_update()
{
        // Set TZ and call tzset to ensure that timezone information won't get overwritten when tszet is called multiple times
        setenv("TZ", "", 0);
        tzset();
 
        __tzinfo_type *tz = __gettzinfo();
 
        // _timezone is in seconds, while the return value of configGetTimezone is in minutes
        // Add one hour if configIsDaylightSavingEnabled is 1
        _timezone = (configGetTimezone() + (configIsDaylightSavingEnabled() * 60)) * 60;
        tz->__tzrule[0].offset = _timezone;
        snprintf(_ps2sdk_tzname, sizeof(_ps2sdk_tzname), "Etc/GMT%+ld", _timezone / 3600);
        _tzname[0] = _ps2sdk_tzname;
        _tzname[1] = _ps2sdk_tzname;
 
        // Don't perform DST conversion
        _daylight = 0;
}