# Some shared sub routines
#
# Author: Patrick Canterino <patrick@patshaping.de>
-# Last modified: 2005-01-07
+# Last modified: 2005-01-08
#
use strict;
my $last = file_name($path);
$last = '' if($last eq '.');
- if($last eq '..')
+ if($last eq '..' || ($^O eq 'MSWin32' && $last =~ m!^\.\.\.+$!))
{
- $first = upper_path($first);
+ $first = abs_path($first.'/'.$last);
$last = '';
}
- elsif($^O eq 'MSWin32' && $last =~ m!^\.\.\.+$!)
- {
- # Windows allows to go upwards in a path using things like
- # "..." and "...." and so on
-
- for(my $x=0;$x<length($last)-1;$x++)
- {
- unless($first =~ m!^[a-z]{1}:(/|\\)$!i)
- {
- $first = upper_path($first);
- }
- }
-
- $last = '';
- }
-
- $path = $first.'/'.$last;
- $first = File::Spec->canonpath($first);
- $path = File::Spec->canonpath($path);
+ $path = File::Spec->canonpath($first.'/'.$last);
# Check if the path is above the root directory
my $path = shift;
$path =~ tr!\\!/!;
- unless($path eq '/')
+ unless($path =~ m!^/+$! || ($^O eq 'MSWin32' && $path =~ m!^[a-z]:/+$!))
{
$path =~ s!/+$!!;
$path = substr($path,rindex($path,'/')+1);
# upper_path()
#
-# Cut away the last part of a path
+# Remove the last part of a path
+# (the resulting path contains a trailing slash)
#
# Params: Path
#
my $path = shift;
$path =~ tr!\\!/!;
- unless($path eq '/')
+ unless($path =~ m!^/+$! || ($^O eq 'MSWin32' && $path =~ m!^[a-z]:/+$!))
{
$path =~ s!/+$!!;
$path = substr($path,0,rindex($path,'/')+1);