vol_perc: return zero if the value of max is set to zero

This commit is contained in:
user 2016-10-08 19:50:53 +03:00
parent 6239e5de17
commit fb440d8f62

View file

@ -501,7 +501,10 @@ vol_perc(const char *card)
snd_mixer_selem_id_free(s_elem);
snd_mixer_close(handle);
return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max));
if (max == 0)
return smprintf("%d%%", 0);
else
return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max));
}
static char *