vol_perc: return zero if the value of max is set to zero
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1 changed files with 4 additions and 1 deletions
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@ -501,6 +501,9 @@ vol_perc(const char *card)
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snd_mixer_selem_id_free(s_elem);
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snd_mixer_close(handle);
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if (max == 0)
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return smprintf("%d%%", 0);
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else
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return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max));
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}
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