X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FFile%2FPath.pm;h=5cb9d44bc0e2603092d49d78985afff805522eb2;hb=fa76202e3aa22e9755f1a461416769c368b47afc;hp=ffc856bb5970217be287c61909585122ab62bc61;hpb=e3830a4ec012ee625f1b3bc63b5b18c656f377da;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/File/Path.pm b/lib/File/Path.pm index ffc856b..5cb9d44 100644 --- a/lib/File/Path.pm +++ b/lib/File/Path.pm @@ -40,6 +40,15 @@ the numeric mode to use when creating the directories It returns a list of all directories (including intermediates, determined using the Unix '/' separator) created. +If a system error prevents a directory from being created, then the +C function throws a fatal error with C. This error +can be trapped with an C block: + + eval { mkpath($dir) }; + if ($@) { + print "Couldn't create $dir: $@"; + } + Similarly, the C function provides a convenient way to delete a subtree from the directory structure, much like the Unix command C. C takes three arguments: @@ -81,9 +90,21 @@ were not deleted may be left with permissions reset to allow world read and write access. Note also that the occurrence of errors in rmtree can be determined I by trapping diagnostic messages using C<$SIG{__WARN__}>; it is not apparent from the return value. -Therefore, you must be extremely careful about using C +Therefore, you must be extremely careful about using C in situations where security is an issue. +=head1 DIAGNOSTICS + +=over 4 + +=item * + +On Windows, if C gives you the warning: B, this may mean that you've exceeded your filesystem's +maximum path length. + +=back + =head1 AUTHORS Tim Bunce > and @@ -91,29 +112,31 @@ Charles Bailey > =cut -use 5.005_64; +use 5.006; use Carp; use File::Basename (); use Exporter (); use strict; +use warnings; -our $VERSION = "1.0403"; +our $VERSION = "1.05"; our @ISA = qw( Exporter ); our @EXPORT = qw( mkpath rmtree ); my $Is_VMS = $^O eq 'VMS'; +my $Is_MacOS = $^O eq 'MacOS'; # These OSes complain if you want to remove a file that you have no # write permission to: -my $force_writeable = ($^O eq 'os2' || $^O eq 'dos' || $^O eq 'MSWin32' - || $^O eq 'amigaos'); +my $force_writeable = ($^O eq 'os2' || $^O eq 'dos' || $^O eq 'MSWin32' || + $^O eq 'amigaos' || $^O eq 'MacOS' || $^O eq 'epoc'); sub mkpath { my($paths, $verbose, $mode) = @_; # $paths -- either a path string or ref to list of paths # $verbose -- optional print "mkdir $path" for each directory created # $mode -- optional permissions, defaults to 0777 - local($")="/"; + local($")=$Is_MacOS ? ":" : "/"; $mode = 0777 unless defined($mode); $paths = [$paths] unless ref $paths; my(@created,$path); @@ -160,7 +183,12 @@ sub rmtree { my($root); foreach $root (@{$roots}) { - $root =~ s#/\z##; + if ($Is_MacOS) { + $root = ":$root" if $root !~ /:/; + $root =~ s#([^:])\z#$1:#; + } else { + $root =~ s#/\z##; + } (undef, undef, my $rp) = lstat $root or next; $rp &= 07777; # don't forget setuid, setgid, sticky bits if ( -d _ ) { @@ -173,7 +201,13 @@ sub rmtree { unless $safe; if (opendir my $d, $root) { - @files = readdir $d; + no strict 'refs'; + if (!defined ${"\cTAINT"} or ${"\cTAINT"}) { + # Blindly untaint dir names + @files = map { /^(.*)$/s ; $1 } readdir $d; + } else { + @files = readdir $d; + } closedir $d; } else { @@ -185,7 +219,11 @@ sub rmtree { # is faster if done in reverse ASCIIbetical order @files = reverse @files if $Is_VMS; ($root = VMS::Filespec::unixify($root)) =~ s#\.dir\z## if $Is_VMS; - @files = map("$root/$_", grep $_!~/^\.{1,2}\z/s,@files); + if ($Is_MacOS) { + @files = map("$root$_", @files); + } else { + @files = map("$root/$_", grep $_!~/^\.{1,2}\z/s,@files); + } $count += rmtree(\@files,$verbose,$safe); if ($safe && ($Is_VMS ? !&VMS::Filespec::candelete($root) : !-w $root)) {