static int get_current_tz_offset()
{
FILE* fp = fopen(TZ_FILE, "rb");
if (NULL == fp)
{
ST_ERRORPRINTF("Can't open %s, use default timezone settings.", TZ_FILE);
goto error;
}
fseek(fp, sizeof(struct tzhead), SEEK_SET);
int offset;
if (fread(&offset, sizeof(int), 1, fp) != 1)
{
ST_ERRORPRINTF("Error reading %s, use default timezone settings.", TZ_FILE);
fclose(fp);
goto error;
}
fclose(fp);
return GINT32_FROM_BE(offset);
error:
set_tz_offset(DEFAULT_TIMEZONE_NAME);
return DEFAULT_TIMEZONE_OFFSET;
}
/* Receive time zone information from the phone. */
static void in_received_handler( DictionaryIterator *data, void *context ) {
Tuple *tuple = dict_find(data, APPMSG_KEY_TZ_OFFSET);
/* Just bail here if this isn't the right type of data. */
if ( tuple == NULL || tuple->type != TUPLE_INT )
return;
/* Update the offset. */
int32_t offset = tuple->value->int32;
APP_LOG(APP_LOG_LEVEL_INFO, "Got offset %"PRId32" from phone.", offset);
set_tz_offset(offset);
}
void on_selection_update(erGtkSelectionGroup * selection, gpointer button, gpointer data)
{
int index = 0;
ST_LOGPRINTF("entry");
ergtk_selection_group_get_selected_buttons(ERGTK_SELECTION_GROUP(selection), &index, 1);
int tzoffset = timezones[index].tzoffset;
// Update current timezone offset settings
if (g_current_tz_offset != tzoffset)
{
g_current_tz_offset = tzoffset;
// Update symbol link /mnt/settings/timezone
// re-direct to the correct timezone file
set_tz_offset(timezones[index].tzname);
}
// Update current date time displayed in the screen
iLiad_update_datetime(g_current_tz_offset);
}
