our @EXPORT = qw(cwd getcwd fastcwd fastgetcwd);
our @EXPORT_OK = qw(chdir abs_path fast_abs_path realpath fast_realpath);
+eval {
+ require XSLoader;
+ XSLoader::load('Cwd');
+};
# The 'natural and safe form' for UNIX (pwd may be setuid root)
abs_path('.');
}
-# Now a callout to an XSUB. We have to delay booting of the XSUB
-# until the first time fastcwd is called since Cwd::cwd is needed in the
-# building of perl when dynamic loading may be unavailable
-my $booted = 0;
-sub fastcwd {
- unless ($booted) {
- require XSLoader;
- XSLoader::load("Cwd");
- ++$booted;
- }
- return &Cwd::_fastcwd;
-}
-
-
# Keeps track of current working directory in PWD environment var
# Usage:
# use Cwd 'chdir';
my $newdir = @_ ? shift : ''; # allow for no arg (chdir to HOME dir)
$newdir =~ s|///*|/|g unless $^O eq 'MSWin32';
chdir_init() unless $chdir_init;
+ my $newpwd;
+ if ($^O eq 'MSWin32') {
+ # get the full path name *before* the chdir()
+ $newpwd = Win32::GetFullPathName($newdir);
+ }
+
return 0 unless CORE::chdir $newdir;
+
if ($^O eq 'VMS') {
return $ENV{'PWD'} = $ENV{'DEFAULT'}
}
return $ENV{'PWD'} = cwd();
}
elsif ($^O eq 'MSWin32') {
- $ENV{'PWD'} = Win32::GetFullPathName($newdir);
+ $ENV{'PWD'} = $newpwd;
return 1;
}
1;
}
-# Taken from Cwd.pm It is really getcwd with an optional
-# parameter instead of '.'
-#
-
-sub abs_path
-{
- my $start = @_ ? shift : '.';
- my($dotdots, $cwd, @pst, @cst, $dir, @tst);
-
- unless (@cst = stat( $start ))
- {
- carp "stat($start): $!";
- return '';
- }
- $cwd = '';
- $dotdots = $start;
- do
- {
- $dotdots .= '/..';
- @pst = @cst;
- unless (opendir(PARENT, $dotdots))
- {
- carp "opendir($dotdots): $!";
- return '';
- }
- unless (@cst = stat($dotdots))
- {
- carp "stat($dotdots): $!";
- closedir(PARENT);
- return '';
- }
- if ($pst[0] == $cst[0] && $pst[1] == $cst[1])
- {
- $dir = undef;
- }
- else
- {
- do
- {
- unless (defined ($dir = readdir(PARENT)))
- {
- carp "readdir($dotdots): $!";
- closedir(PARENT);
- return '';
- }
- $tst[0] = $pst[0]+1 unless (@tst = lstat("$dotdots/$dir"))
- }
- while ($dir eq '.' || $dir eq '..' || $tst[0] != $pst[0] ||
- $tst[1] != $pst[1]);
- }
- $cwd = (defined $dir ? "$dir" : "" ) . "/$cwd" ;
- closedir(PARENT);
- } while (defined $dir);
- chop($cwd) unless $cwd eq '/'; # drop the trailing /
- $cwd;
-}
-
# added function alias for those of us more
# used to the libc function. --tchrist 27-Jan-00
*realpath = \&abs_path;