/**
* Truncate file
* @param string $path Path
* @param integer $offset Offset
* @param callable $cb Callback
* @param integer $pri Priority
* @return resource|boolean
*/
public static function truncate($path, $offset = 0, $cb = null, $pri = EIO_PRI_DEFAULT)
{
$cb = CallbackWrapper::forceWrap($cb);
if (!FileSystem::$supported) {
$fp = fopen($path, 'r+');
$r = $fp && ftruncate($fp, $offset);
if ($cb) {
call_user_func($cb, $path, $r);
}
return $r;
}
return eio_truncate($path, $offset, $pri, $cb, $path);
}
public static function truncate($path, $offset = 0, $cb = null, $pri = EIO_PRI_DEFAULT)
{
if (!FS::$supported) {
$fp = fopen($path, 'r+');
$r = $fp && ftruncate($fp, $offset);
if ($cb) {
call_user_func($cb, $path, $r);
}
return;
}
return eio_truncate($path, $offset, $pri, $cb, $path);
}