function sc_add_content($room, $name, $idstr, $content)
{
$name = sc_trip($name);
$size = 0;
$fp = fopen(sc_dat_filename($room), "a");
if (flock($fp, LOCK_EX)) {
$stat = fstat($fp);
$size = $stat['size'];
if ($size == 0) {
$size = fwrite($fp, sc_dat_encode($room) . "\n");
}
$output = serialize(array(sc_dat_encode($name), $idstr, time(), sc_dat_encode($content))) . "\n";
if ($size + strlen($output) < MAX_DAT_SIZE) {
$size += fwrite($fp, $output);
} else {
$size = -1;
}
flock($fp, LOCK_UN);
}
fclose($fp);
return $size;
}
public function testScTrip()
{
$this->assertEquals("foo", sc_trip("foo"));
$this->assertEquals("foo#" . base64_encode(sha1('x', true)), sc_trip("foo#x"));
}