/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/config/fastcwd.pl
Perl | 66 lines | 26 code | 3 blank | 37 comment | 11 complexity | 670cac70316b9ccbd76366c054b55897 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, MPL-2.0-no-copyleft-exception, BSD-3-Clause
- #!perl5
- #
- # ***** BEGIN LICENSE BLOCK *****
- # Version: MPL 1.1/GPL 2.0/LGPL 2.1
- #
- # The contents of this file are subject to the Mozilla Public License Version
- # 1.1 (the "License"); you may not use this file except in compliance with
- # the License. You may obtain a copy of the License at
- # http://www.mozilla.org/MPL/
- #
- # Software distributed under the License is distributed on an "AS IS" basis,
- # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- # for the specific language governing rights and limitations under the
- # License.
- #
- # The Original Code is mozilla.org code.
- #
- # The Initial Developer of the Original Code is
- # Netscape Communications Corporation.
- # Portions created by the Initial Developer are Copyright (C) 1998
- # the Initial Developer. All Rights Reserved.
- #
- # Contributor(s):
- #
- # Alternatively, the contents of this file may be used under the terms of
- # either of the GNU General Public License Version 2 or later (the "GPL"),
- # or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- # in which case the provisions of the GPL or the LGPL are applicable instead
- # of those above. If you wish to allow use of your version of this file only
- # under the terms of either the GPL or the LGPL, and not to allow others to
- # use your version of this file under the terms of the MPL, indicate your
- # decision by deleting the provisions above and replace them with the notice
- # and other provisions required by the GPL or the LGPL. If you do not delete
- # the provisions above, a recipient may use your version of this file under
- # the terms of any one of the MPL, the GPL or the LGPL.
- #
- # ***** END LICENSE BLOCK *****
- sub fastcwd {
- local($odev, $oino, $cdev, $cino, $tdev, $tino);
- local(@path, $path);
- local(*DIR);
- ($cdev, $cino) = stat('.');
- for (;;) {
- ($odev, $oino) = ($cdev, $cino);
- chdir('..');
- ($cdev, $cino) = stat('.');
- last if $odev == $cdev && $oino == $cino;
- opendir(DIR, '.');
- for (;;) {
- $_ = readdir(DIR);
- next if $_ eq '.';
- next if $_ eq '..';
- last unless $_;
- ($tdev, $tino) = lstat($_);
- last unless $tdev != $odev || $tino != $oino;
- }
- closedir(DIR);
- unshift(@path, $_);
- }
- chdir($path = '/' . join('/', @path));
- $path;
- }
- 1;