swap_perc: check for division by zero

This commit is contained in:
Aaron Marcher 2018-05-20 23:53:26 +02:00
parent d8ce4e6942
commit 806815778f

View file

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