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prevent divide by zero, make error messages more descriptive

This commit is contained in:
Andy Bauer 2017-02-21 13:10:41 -06:00
parent 27ca8d8674
commit 8759e2bdb4
1 changed files with 6 additions and 3 deletions
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9
web/includes/functions.php
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@ -1435,14 +1435,17 @@ function getLoad() {
function getDiskPercent($path = ZM_DIR_EVENTS) {
$total = disk_total_space($path);
if ( $total === false ) {
Error("disk_total_space returned false for " . $path );
Error("disk_total_space returned false. Verify the web account user has access to " . $path );
return 0;
} elseif ( $total == 0 ) {
Error("disk_total_space indicates the following path has a filesystem size of zero bytes" . $path );
return 100;
}
$free = disk_free_space($path);
if ( $free === false ) {
Error("disk_free_space returned false for " . $path );
Error("disk_free_space returned false. Verify the web account user has access to " . $path );
}
$space = round(($total - $free) / $total * 100);
$space = round((($total - $free) / $total) * 100);
return( $space );
}