owncloud / core

	 */

	public static function freeSpace($dir) {

		$freeSpace = \OC\Files\Filesystem::free_space($dir);

		if ($freeSpace < \OCP\Files\FileInfo::SPACE_UNLIMITED) {

			$freeSpace = \max($freeSpace, 0);

			return $freeSpace;

		} else {

			return (INF > 0)? INF: PHP_INT_MAX; // work around https://bugs.php.net/bug.php?id=69188

		}

	}

	/**

			 * The OC_Util methods require a view. This just uses the node API

			 */

			$freeSpace = $share->getNode()->getStorage()->free_space($share->getNode()->getInternalPath());

			if ($freeSpace < \OCP\Files\FileInfo::SPACE_UNLIMITED) {

				$freeSpace = \max($freeSpace, 0);

			} else {

				$freeSpace = (INF > 0) ? INF: PHP_INT_MAX; // work around https://bugs.php.net/bug.php?id=69188

			}

			$maxUploadFilesize = $freeSpace;