static int
construct_FrozenScreen (BaseScreen *source) {
describeBaseScreen(source, &screenDescription);
if ((screenCharacters = calloc(screenDescription.rows*screenDescription.cols, sizeof(*screenCharacters)))) {
const ScreenBox box = {
.left=0, .width=screenDescription.cols,
.top=0, .height=screenDescription.rows
};
if (source->readCharacters(&box, screenCharacters)) {
startFreezeReminderAlarm();
return 1;
}
free(screenCharacters);
screenCharacters = NULL;
} else {
logMallocError();
}
return 0;
}
void
describeScreen (ScreenDescription *description) {
describeBaseScreen(currentScreen, description);
}
