swap_perc: check for division by zero
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@ -76,6 +76,10 @@
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}
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sscanf(match, "SwapFree: %ld kB\n", &free);
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if (total == 0) {
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return NULL;
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}
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return bprintf("%d%%", 100 * (total - free - cached) / total);
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}
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