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#6462, not a bug unless you run a version of PHP 5 that is less than 5.0.4...

git-svn-id: file:///svn/phpbb/trunk@6786 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M 2006-12-21 04:50:38 +00:00
parent d9f3aed704
commit 2e1eef2713

View File

@ -3568,34 +3568,32 @@ class bitfield
// Get the ($n / 8)th char
$byte = $n >> 3;
if (!isset($this->data[$byte]))
if (strlen($this->data) >= $byte + 1)
{
// Of course, if it doesn't exist then the result if FALSE
return false;
}
$c = $this->data[$byte];
// Lookup the ($n % 8)th bit of the byte
$bit = 7 - ($n & 7);
return (bool) (ord($c) & (1 << $bit));
}
else
{
return false;
}
}
function set($n)
{
$byte = $n >> 3;
$bit = 7 - ($n & 7);
if (isset($this->data[$byte]))
if (strlen($this->data) >= $byte + 1)
{
$this->data[$byte] = $this->data[$byte] | chr(1 << $bit);
}
else
{
if ($byte - strlen($this->data) > 0)
{
$this->data .= str_repeat("\0", $byte - strlen($this->data));
}
$this->data .= chr(1 << $bit);
}
}
@ -3604,14 +3602,12 @@ class bitfield
{
$byte = $n >> 3;
if (!isset($this->data[$byte]))
if (strlen($this->data) >= $byte + 1)
{
return;
}
$bit = 7 - ($n & 7);
$this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit);
}
}
function get_blob()
{