Commit | Line | Data |
---|---|---|
55204971 LW |
1 | # By Brandon S. Allbery |
2 | # | |
a6d71656 GS |
3 | # This library is no longer being maintained, and is included for backward |
4 | # compatibility with Perl 4 programs which may require it. | |
6e373246 S |
5 | # This legacy library is deprecated and will be removed in a future |
6 | # release of perl. | |
a6d71656 GS |
7 | # In particular, this should not be used as an example of modern Perl |
8 | # programming techniques. | |
9 | # | |
10 | # Suggested alternative: Cwd | |
6e373246 S |
11 | |
12 | warn( "The 'getcwd.pl' legacy library is deprecated and will be" | |
13 | . " removed in the next major release of perl. Please use the" | |
14 | . " Cwd module instead." ); | |
15 | ||
a6d71656 | 16 | # |
55204971 LW |
17 | # Usage: $cwd = &getcwd; |
18 | ||
19 | sub getcwd | |
20 | { | |
21 | local($dotdots, $cwd, @pst, @cst, $dir, @tst); | |
22 | ||
23 | unless (@cst = stat('.')) | |
24 | { | |
25 | warn "stat(.): $!"; | |
26 | return ''; | |
27 | } | |
28 | $cwd = ''; | |
29 | do | |
30 | { | |
31 | $dotdots .= '/' if $dotdots; | |
32 | $dotdots .= '..'; | |
33 | @pst = @cst; | |
34 | unless (opendir(getcwd'PARENT, $dotdots)) #')) | |
35 | { | |
36 | warn "opendir($dotdots): $!"; | |
37 | return ''; | |
38 | } | |
39 | unless (@cst = stat($dotdots)) | |
40 | { | |
41 | warn "stat($dotdots): $!"; | |
42 | closedir(getcwd'PARENT); #'); | |
43 | return ''; | |
44 | } | |
45 | if ($pst[$[] == $cst[$[] && $pst[$[ + 1] == $cst[$[ + 1]) | |
46 | { | |
47 | $dir = ''; | |
48 | } | |
49 | else | |
50 | { | |
51 | do | |
52 | { | |
c2960299 | 53 | unless (defined ($dir = readdir(getcwd'PARENT))) #')) |
55204971 LW |
54 | { |
55 | warn "readdir($dotdots): $!"; | |
56 | closedir(getcwd'PARENT); #'); | |
57 | return ''; | |
58 | } | |
e334a159 | 59 | unless (@tst = lstat("$dotdots/$dir")) |
55204971 | 60 | { |
55497cff | 61 | # warn "lstat($dotdots/$dir): $!"; |
62 | # closedir(getcwd'PARENT); #'); | |
63 | # return ''; | |
55204971 LW |
64 | } |
65 | } | |
66 | while ($dir eq '.' || $dir eq '..' || $tst[$[] != $pst[$[] || | |
67 | $tst[$[ + 1] != $pst[$[ + 1]); | |
68 | } | |
69 | $cwd = "$dir/$cwd"; | |
70 | closedir(getcwd'PARENT); #'); | |
1f997daf | 71 | } while ($dir ne ''); |
55204971 LW |
72 | chop($cwd); |
73 | $cwd; | |
74 | } | |
75 | ||
76 | 1; |