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marsadm: allow only multiples of 4k as size arguments

This commit is contained in:
Thomas Schoebel-Theuer 2013-04-25 22:32:37 +02:00
parent c411a6f243
commit b0c09061e9
1 changed files with 5 additions and 5 deletions
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userspace/marsadm
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@ -385,13 +385,12 @@ sub check_splitbrain {
}
sub get_size {
my $arg = shift;
if (!$arg =~ m/^[0-9.]+[kmgtp]?$/i) {
my $arg = shift || "";
if (!($arg =~ m/^([0-9]+(?:\.[0-9]*)?)([kmgtp]?)$/i)) {
ldie "size argument '$arg' must be a number, optionally followed by suffix k or m or g or t or p\n";
}
my $mod = $arg;
$arg =~ s/[^0-9]+$//;
$mod =~ s/^[0-9]+//;
my $mod = $2 || "";
$arg = $1;
$_ = $mod;
SWITCH: {
/k/i and $arg *= 1024, last SWITCH;
@ -400,6 +399,7 @@ sub get_size {
/t/i and $arg *= 1024 * 1024 * 1024 * 1024, last SWITCH;
/p/i and $arg *= 1024 * 1024 * 1024 * 1024 * 1024, last SWITCH;
}
ldie "size '$arg' is not a multiple of 4k\n" if ($arg % 4096) != 0;
return $arg;
}