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swap_perc: check for division by zero

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This commit is contained in:
Aaron Marcher 2018-05-20 23:53:26 +02:00
parent d8ce4e6942
commit 806815778f
1 changed files with 4 additions and 0 deletions
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4
components/swap.c
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@ -76,6 +76,10 @@
}
sscanf(match, "SwapFree: %ld kB\n", &free);
if (total == 0) {
return NULL;
}
return bprintf("%d%%", 100 * (total - free - cached) / total);
}