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Diffstat (limited to 'perl-install/resize_fat/directory.pm')
-rw-r--r-- | perl-install/resize_fat/directory.pm | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/perl-install/resize_fat/directory.pm b/perl-install/resize_fat/directory.pm deleted file mode 100644 index 46e810021..000000000 --- a/perl-install/resize_fat/directory.pm +++ /dev/null @@ -1,78 +0,0 @@ -package resize_fat::directory; - -use diagnostics; -use strict; - -use common qw(:system); -use resize_fat::dir_entry; -use resize_fat::io; - - -my $format = "a8 a3 C C C S7 I"; -my @fields = ( - 'name', - 'extension', - 'attributes', - 'is_upper_case_name', - 'creation_time_low', #- milliseconds - 'creation_time_high', - 'creation_date', - 'access_date', - 'first_cluster_high', #- for FAT32 - 'time', - 'date', - 'first_cluster', - 'length', -); - -1; - -sub entry_size { psizeof($format) } - -#- call `f' for each entry of the directory -#- if f return true, then modification in the entry are taken back -sub traverse($$$) { - my ($fs, $directory, $f) = @_; - - for (my $i = 0;; $i++) { - my $raw = \substr($directory, $i * psizeof($format), psizeof($format)); - - #- empty entry means end of directory - $$raw =~ /^\0*$/ and return $directory; - - my $entry; @{$entry}{@fields} = unpack $format, $$raw; - - &$f($entry) - and $$raw = pack $format, @{$entry}{@fields}; - } - $directory; -} - -sub traverse_all($$) { - my ($fs, $f) = @_; - - my $traverse_all; $traverse_all = sub { - my ($entry) = @_; - - &$f($entry); - - resize_fat::dir_entry::is_directory($entry) - and traverse($fs, resize_fat::io::read_file($fs, resize_fat::dir_entry::get_cluster($entry)), $traverse_all); - - undef; #- no need to write back (cf traverse) - }; - - my $directory = $resize_fat::isFAT32 ? - resize_fat::io::read_file($fs, $fs->{fat32_root_dir_cluster}) : - resize_fat::io::read($fs, $fs->{root_dir_offset}, $fs->{root_dir_size}); - traverse($fs, $directory, $traverse_all); -} - - -#- function used by construct_dir_tree to translate the `cluster' fields in each -#- directory entry -sub remap { - my ($fs, $directory) = @_; - - traverse($fs->{fat_remap}, $directory, sub { resize_fat::dir_entry::remap($fs->{fat_remap}, $_[0]) }); -} |