mirror of
https://github.com/rn10950/RetroZilla.git
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67 lines
2.2 KiB
Raku
67 lines
2.2 KiB
Raku
#!perl5
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#
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1998
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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sub fastcwd {
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local($odev, $oino, $cdev, $cino, $tdev, $tino);
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local(@path, $path);
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local(*DIR);
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($cdev, $cino) = stat('.');
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for (;;) {
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($odev, $oino) = ($cdev, $cino);
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chdir('..');
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($cdev, $cino) = stat('.');
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last if $odev == $cdev && $oino == $cino;
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opendir(DIR, '.');
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for (;;) {
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$_ = readdir(DIR);
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next if $_ eq '.';
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next if $_ eq '..';
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last unless $_;
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($tdev, $tino) = lstat($_);
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last unless $tdev != $odev || $tino != $oino;
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}
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closedir(DIR);
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unshift(@path, $_);
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}
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chdir($path = '/' . join('/', @path));
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$path;
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}
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1;
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