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    Length: 754 (0x2f2)
    Types: TextFile
    Names: »fastcwd.pl«

└─⟦4f9d7c866⟧ Bits:30007245 EUUGD6: Sikkerheds distributionen
    └─⟦b5330643c⟧ »./cops/perl-4.019/perl.tar.Z« 
        └─⟦2b9a58213⟧ 
            └─⟦this⟧ »perl-4.019/lib/fastcwd.pl« 

TextFile

# By John Bazik
#
# Usage: $cwd = &fastcwd;
#
# This is a faster version of getcwd.  It's also more dangerous because
# you might chdir out of a directory that you can't chdir back into.

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;