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Fixed special cases when netmask is 0 or 32

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This commit is contained in:
Jack-Benny Persson 2014-06-01 18:23:48 +02:00
parent 982cfacee5
commit 07993c0508
1 changed files with 18 additions and 2 deletions
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20
netcalc.php
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@ -56,8 +56,22 @@ function print_netmask($number)
}
unset($i);
// Put it together in a binary string
$binary = "$ones$zeros";
// Special cases when netmask is 0 or 32
if ($mask == 0)
{
// If the network mask is 0, then just put 32 zeros in the string
$binary = "00000000000000000000000000000000";
}
elseif ($mask == 32)
{
// If the network mask is 32, then just put 32 ones in the string
$binary = "11111111111111111111111111111111";
}
else
{
// Else put the ones and zeros together in a binary string
$binary = "$ones$zeros";
}
// Make it dotted binary format
$dotted_binary = substr_replace($binary, ".", 8, 0);
@ -85,6 +99,8 @@ function print_values($value)
$base=32-$value;
$netsize=pow(2, $base);
$hosts=$netsize-2;
// We don't want negative values
if ($hosts < 0)
{
$hosts = 0;