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-rw-r--r--perl-install/resize_fat/.cvsignore5
-rw-r--r--perl-install/resize_fat/Makefile10
-rw-r--r--perl-install/resize_fat/Makefile.PL13
-rw-r--r--perl-install/resize_fat/README8
-rw-r--r--perl-install/resize_fat/any.pm123
-rw-r--r--perl-install/resize_fat/boot_sector.pm110
-rw-r--r--perl-install/resize_fat/c_rewritten.pm14
-rw-r--r--perl-install/resize_fat/c_rewritten.xs259
-rw-r--r--perl-install/resize_fat/dir_entry.pm77
-rw-r--r--perl-install/resize_fat/directory.pm79
-rw-r--r--perl-install/resize_fat/fat.pm138
-rw-r--r--perl-install/resize_fat/info_sector.pm37
-rw-r--r--perl-install/resize_fat/io.pm71
-rw-r--r--perl-install/resize_fat/main.pm185
14 files changed, 0 insertions, 1129 deletions
diff --git a/perl-install/resize_fat/.cvsignore b/perl-install/resize_fat/.cvsignore
deleted file mode 100644
index 3001c7424..000000000
--- a/perl-install/resize_fat/.cvsignore
+++ /dev/null
@@ -1,5 +0,0 @@
-blib
-pm_to_blib
-Makefile_c
-c_rewritten.c
-c_rewritten.bs
diff --git a/perl-install/resize_fat/Makefile b/perl-install/resize_fat/Makefile
deleted file mode 100644
index a82ca8441..000000000
--- a/perl-install/resize_fat/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-.PHONY: clean
-
-c_rewritten: %: %.xs
- test -e Makefile_c || perl Makefile.PL
- $(MAKE) -f Makefile_c LD_RUN_PATH=
- rm -f ../auto/resize_fat ; ln -s ../resize_fat/blib/arch/auto ../auto/resize_fat
-
-clean:
- test ! -e Makefile_c || $(MAKE) -f Makefile_c clean
- rm -f *~ *.o
diff --git a/perl-install/resize_fat/Makefile.PL b/perl-install/resize_fat/Makefile.PL
deleted file mode 100644
index 712f4e395..000000000
--- a/perl-install/resize_fat/Makefile.PL
+++ /dev/null
@@ -1,13 +0,0 @@
-use ExtUtils::MakeMaker;
-# See lib/ExtUtils/MakeMaker.pm for details of how to influence
-# the contents of the Makefile that is written.
-
-WriteMakefile(
- 'MAKEFILE' => 'Makefile_c',
- 'NAME' => 'c_rewritten',
- 'OPTIMIZE' => '-Os',
- 'VERSION_FROM' => 'c_rewritten.pm', # finds $VERSION
- 'LIBS' => '', # e.g., '-lm'
- 'DEFINE' => '', # e.g., '-DHAVE_SOMETHING'
- 'INC' => '', # e.g., '-I/usr/include/other'
-);
diff --git a/perl-install/resize_fat/README b/perl-install/resize_fat/README
deleted file mode 100644
index 1c4798c82..000000000
--- a/perl-install/resize_fat/README
+++ /dev/null
@@ -1,8 +0,0 @@
-TODO:
-
-resize_fat::fat::update($fs) should be called before doing undoable things
-(before the sync in construct_dir_tree)
-
-BUGS:
-no known bugs :)
-if you found one, please mail pixel@linux-mandrake.com !!
diff --git a/perl-install/resize_fat/any.pm b/perl-install/resize_fat/any.pm
deleted file mode 100644
index 3844e1c16..000000000
--- a/perl-install/resize_fat/any.pm
+++ /dev/null
@@ -1,123 +0,0 @@
-package resize_fat::any; # $Id$
-
-use diagnostics;
-use strict;
-use vars qw($FREE $FILE $DIRECTORY $UNMOVEABLE);
-
-use common qw(:common :constant);
-use resize_fat::fat;
-use resize_fat::directory;
-use resize_fat::dir_entry;
-use resize_fat::c_rewritten;
-
-
-$FREE = 0;
-$FILE = 1;
-$DIRECTORY = 2;
-$UNMOVEABLE = 8;
-
-
-1;
-
-
-#- returns the number of clusters for a given filesystem type
-sub min_cluster_count($) {
- my ($fs) = @_;
- (1 << $ {{ FAT16 => 12, FAT32 => 12 }}{$fs->{fs_type}}) - 12;
-}
-sub max_cluster_count($) {
- my ($fs) = @_;
- (1 << $ {{ FAT16 => 16, FAT32 => 28 }}{$fs->{fs_type}}) - 11;
-}
-
-
-
-#- patch to get the function last_used that return the last used cluster of a fs.
-sub last_used($) {
- my ($fs) = @_;
-
- #- count in negative so absolute value count back to 2.
- foreach (-($fs->{nb_clusters}+1)..-2) { return -$_ if resize_fat::c_rewritten::flag(-$_) }
- die "any: empty FAT table of $fs->{nb_clusters} clusters";
-}
-#- patch to get the function last_unmoveable that return the last unmoveable cluster of a fs.
-sub last_unmoveable($) {
- my ($fs) = @_;
-
- #- count in negative so absolute value count back to 2.
- foreach (-($fs->{nb_clusters}+1)..-2) { return -$_ if 0x8 & resize_fat::c_rewritten::flag(-$_) }
-
- #- Oh at this point there are no unmoveable blocks!
- 2;
-}
-
-#- calculates the minimum size of a partition, in physical sectors
-sub min_size($) {
- my ($fs) = @_;
- my $count = $fs->{clusters}{count};
-
- #- directories are both in `used' and `dirs', so are counted twice
- #- It's done on purpose since we're moving all directories. So at the worse
- #- moment, 2 directories are there, but that way nothing wrong can happen :)
- my $min_cluster_count = max(2 + $count->{used} + $count->{bad} + $count->{dirs}, min_cluster_count($fs));
- $min_cluster_count = max($min_cluster_count, last_unmoveable($fs));
-
- my $size = $min_cluster_count * divide($fs->{cluster_size}, $SECTORSIZE) +
- divide($fs->{cluster_offset}, $SECTORSIZE) +
- 64*1024*1024 / $SECTORSIZE; #- help with such more sectors (ie 64Mb).
-
- #- help zindozs again with 512Mb+ at least else partition is ignored.
- if ($resize_fat::isFAT32) {
- $size = max($size, 524*1024*1024 / $SECTORSIZE);
- }
- $size;
-
-}
-#- calculates the maximum size of a partition, in physical sectors
-sub max_size($) {
- my ($fs) = @_;
-
- my $max_cluster_count = min($fs->{nb_fat_entries} - 2, max_cluster_count($fs));
-
- $max_cluster_count * divide($fs->{cluster_size}, $SECTORSIZE) +
- divide($fs->{cluster_offset}, $SECTORSIZE);
-}
-#- calculates used size in order to avoid modifying anything.
-sub used_size($) {
- my ($fs) = @_;
-
- my $used_cluster_count = max(last_used($fs), min_cluster_count($fs));
-
- $used_cluster_count * divide($fs->{cluster_size}, $SECTORSIZE) +
- divide($fs->{cluster_offset}, $SECTORSIZE);
-}
-
-#- fills in fat_flag_map in c_rewritten.
-#- Each FAT entry is flagged as either FREE, FILE or DIRECTORY.
-sub flag_clusters {
- my ($fs) = @_;
- my ($cluster, $curr_dir_name, $entry, $type, $nb_dirs);
-
- my $f = sub {
- ($curr_dir_name, $entry) = @_;
- $cluster = resize_fat::dir_entry::get_cluster($entry);
-
- if (resize_fat::dir_entry::is_file($entry)) {
- $type = $FILE;
- $type |= $UNMOVEABLE if resize_fat::dir_entry::is_unmoveable($entry);
- } elsif (resize_fat::dir_entry::is_directory($entry)) {
- $type = $DIRECTORY;
- } else { return }
-
- my $nb = resize_fat::c_rewritten::checkFat($cluster, $type, "$curr_dir_name/$entry->{name}");
- print "resize_fat:flag_clusters: check fat returned $nb of type $type for $curr_dir_name/$entry->{name}\n";
- $nb_dirs += $nb if $type == $DIRECTORY;
- 0;
- };
-
- #- this must call allocate_fat_flag that zeroes the buffer allocated.
- resize_fat::c_rewritten::allocate_fat_flag($fs->{nb_clusters} + 2);
-
- resize_fat::directory::traverse_all($fs, $f);
- $fs->{clusters}{count}{dirs} = $nb_dirs;
-}
diff --git a/perl-install/resize_fat/boot_sector.pm b/perl-install/resize_fat/boot_sector.pm
deleted file mode 100644
index 4ed4a73f7..000000000
--- a/perl-install/resize_fat/boot_sector.pm
+++ /dev/null
@@ -1,110 +0,0 @@
-package resize_fat::boot_sector; # $Id$
-
-use diagnostics;
-use strict;
-
-use common qw(:common :system :constant :functional);
-use resize_fat::io;
-use resize_fat::any;
-use resize_fat::directory;
-
-
-#- Oops, this will be unresizable on big-endian machine. trapped by signature.
-my $format = "a3 a8 S C S C S S C S S S I I I S S I S S a458 S";
-my @fields = (
- 'boot_jump', #- boot strap short or near jump
- 'system_id', #- Name - can be used to special case partition manager volumes
- 'sector_size', #- bytes per logical sector
- 'cluster_size_in_sectors', #- sectors/cluster
- 'nb_reserved', #- reserved sectors
- 'nb_fats', #- number of FATs
- 'nb_root_dir_entries', #- number of root directory entries
- 'small_nb_sectors', #- number of sectors: big_nb_sectors supersedes
- 'media', #- media code
- 'fat16_fat_length', #- sectors/FAT for FAT12/16
- 'sectors_per_track',
- 'nb_heads',
- 'nb_hidden', #- (unused)
- 'big_nb_sectors', #- number of sectors (if small_nb_sectors == 0)
-
-#- FAT32-only entries
- 'fat32_fat_length', #- size of FAT in sectors
- 'fat32_flags', #- bit8: fat mirroring,
- #- low4: active fat
- 'fat32_version', #- minor * 256 + major
- 'fat32_root_dir_cluster',
- 'info_offset_in_sectors',
- 'fat32_backup_sector',
-
-#- Common again...
- 'boot_code', #- Boot code (or message)
- 'boot_sign', #- 0xAA55
-);
-
-1;
-
-
-#- trimfs_init_boot_sector() - reads in the boot sector - gets important info out
-#- of boot sector, and puts in main structure - performs sanity checks - returns 1
-#- on success, 0 on failureparameters: filesystem an empty structure to fill.
-sub read($) {
- my ($fs) = @_;
-
- my $boot = eval { resize_fat::io::read($fs, 0, $SECTORSIZE) }; $@ and die "reading boot sector failed on device $fs->{fs_name}";
- @{$fs}{@fields} = unpack $format, $boot;
-
- $fs->{nb_sectors} = $fs->{small_nb_sectors} || $fs->{big_nb_sectors};
- $fs->{cluster_size} = $fs->{cluster_size_in_sectors} * $fs->{sector_size};
-
- $fs->{boot_sign} == 0xAA55 or die "Invalid signature for a MS-based filesystem.\n";
- $fs->{nb_sectors} < 32 and die "Too few sectors for viable file system\n";
- $fs->{nb_fats} == 2 or cdie "Weird number of FATs: $fs->{nb_fats}, not 2.\n";
- $fs->{sector_size} == 512 or cdie "Strange sector_size != 512\n";
-
- if ($fs->{fat16_fat_length}) {
- #- asserting FAT16, will be verified later on
- $resize_fat::isFAT32 = 0;
- $fs->{fs_type} = 'FAT16';
- $fs->{fs_type_size} = 16;
- $fs->{fat_length} = $fs->{fat16_fat_length};
- $resize_fat::bad_cluster_value = 0xfff7; #- 2**16 - 1
- } else {
- $resize_fat::isFAT32 = 1;
- $fs->{fs_type} = 'FAT32';
- $fs->{fs_type_size} = 32;
- $fs->{fat_length} = $fs->{fat32_fat_length};
-
- $fs->{nb_root_dir_entries} = 0;
- $fs->{info_offset} = $fs->{info_offset_in_sectors} * $fs->{sector_size};
- $resize_fat::bad_cluster_value = 0x0ffffff7;
- }
-
- $fs->{fat_offset} = $fs->{nb_reserved} * $fs->{sector_size};
- $fs->{fat_size} = $fs->{fat_length} * $fs->{sector_size};
- $fs->{root_dir_offset} = $fs->{fat_offset} + $fs->{fat_size} * $fs->{nb_fats};
- $fs->{root_dir_size} = $fs->{nb_root_dir_entries} * resize_fat::directory::entry_size();
- $fs->{cluster_offset} = $fs->{root_dir_offset} + $fs->{root_dir_size} - 2 * $fs->{cluster_size};
-
- $fs->{nb_fat_entries} = divide($fs->{fat_size}, $fs->{fs_type_size} / 8);
-
- #- - 2 because clusters 0 & 1 doesn't exist
- $fs->{nb_clusters} = divide($fs->{nb_sectors} * $fs->{sector_size} - $fs->{cluster_offset}, $fs->{cluster_size}) - 2;
-
- $fs->{dir_entries_per_cluster} = divide($fs->{cluster_size}, psizeof($format));
-
-#- $fs->{nb_clusters} >= resize_fat::any::min_cluster_count($fs) or die "error: not enough sectors for a $fs->{fs_type}\n";
- $fs->{nb_clusters} < resize_fat::any::max_cluster_count($fs) or die "error: too many sectors for a $fs->{fs_type}\n";
-}
-
-sub write($) {
- my ($fs) = @_;
- my $boot = pack($format, @{$fs}{@fields});
-
- eval { resize_fat::io::write($fs, 0, $SECTORSIZE, $boot) }; $@ and die "writing the boot sector failed on device $fs->{fs_name}";
-
- if ($resize_fat::isFAT32) {
- #- write backup
- eval { resize_fat::io::write($fs, $fs->{fat32_backup_sector} * $SECTORSIZE, $SECTORSIZE, $boot) };
- $@ and die "writing the backup boot sector (#$fs->{fat32_backup_sector}) failed on device $fs->{fs_name}";
- }
-}
diff --git a/perl-install/resize_fat/c_rewritten.pm b/perl-install/resize_fat/c_rewritten.pm
deleted file mode 100644
index d74ecb5d3..000000000
--- a/perl-install/resize_fat/c_rewritten.pm
+++ /dev/null
@@ -1,14 +0,0 @@
-package resize_fat::c_rewritten; # $Id$
-
-use strict;
-use vars qw($VERSION @ISA);
-
-require DynaLoader;
-
-@ISA = qw(DynaLoader);
-$VERSION = '0.01';
-
-bootstrap resize_fat::c_rewritten $VERSION;
-
-1;
-
diff --git a/perl-install/resize_fat/c_rewritten.xs b/perl-install/resize_fat/c_rewritten.xs
deleted file mode 100644
index 92361097d..000000000
--- a/perl-install/resize_fat/c_rewritten.xs
+++ /dev/null
@@ -1,259 +0,0 @@
-#include "EXTERN.h"
-#include "perl.h"
-#include "XSUB.h"
-
-/* set by scan_fat, used by next */
-short *fat = NULL;
-char *fat_flag_map = NULL;
-unsigned int *fat_remap = NULL;
-int fat_remap_size;
-int type_size, nb_clusters, bad_cluster_value;
-
-void free_all() {
-#define FREE(p) if (p) free(p), p = NULL;
- FREE(fat);
- FREE(fat_flag_map);
- FREE(fat_remap);
-#undef FREE
-}
-
-unsigned int next(unsigned int cluster) {
- short *p = fat + type_size * cluster;
- if (!fat) {
- free_all();
- croak("fat::next: trying to use null pointer");
- }
- if (cluster >= nb_clusters + 2) {
- free_all();
- croak("fat::next: cluster %d outside filesystem", cluster);
- }
- return type_size == 1 ? *p : *((unsigned int *) p);
-}
-
-void set_next(unsigned int cluster, unsigned int val) {
- short *p = fat + type_size * cluster;
- if (!fat) {
- free_all();
- croak("fat::set_next: trying to use null pointer");
- }
- if (cluster >= nb_clusters + 2) {
- free_all();
- croak("fat::set_next: cluster %d outside filesystem", cluster);
- }
- type_size == 1 ? *p : *((unsigned int *) p) = val;
-}
-
-MODULE = resize_fat::c_rewritten PACKAGE = resize_fat::c_rewritten
-
-void
-read_fat(fd, offset, size, magic)
- int fd
- int offset
- int size
- unsigned char magic
- PPCODE:
-{
- fat = (short *) malloc(size);
- if (!fat) {
- free_all();
- croak("read_fat: not enough memory");
- }
- if (lseek(fd, offset, SEEK_SET) != offset ||
- read(fd, fat, size) != size) {
- free_all();
- croak("read_fat: reading FAT failed");
- }
- if (magic != *(unsigned char *) fat) {
- free_all();
- croak("read_fat: FAT has invalid signature");
- }
-}
-
-void
-write_fat(fd, size)
- int fd
- int size
- PPCODE:
-{
- if (write(fd, fat, size) != size) {
- free_all();
- croak("write_fat: write failed");
- }
-}
-
-void
-free_all()
- PPCODE:
- free_all();
-
-void
-scan_fat(nb_clusters_, type_size_)
- int nb_clusters_
- int type_size_
- PPCODE:
-{
- unsigned int v;
- int free = 0, bad = 0, used = 0;
- short *p;
-
- type_size = type_size_; nb_clusters = nb_clusters_;
- bad_cluster_value = type_size == 32 ? 0x0ffffff7 : 0xfff7;
-
- if (type_size % 16) {
- free_all();
- croak("scan_fat: unable to handle FAT%d", type_size);
- }
- type_size /= 16;
-
- for (p = fat + 2 * type_size; p < fat + type_size * (nb_clusters + 2); p += type_size) {
- v = type_size == 1 ? *p : *((unsigned int *) p);
-
- if (v == 0) free++;
- else if (v == bad_cluster_value) bad++;
- }
- used = nb_clusters - free - bad;
- EXTEND(SP, 3);
- PUSHs(sv_2mortal(newSViv(free)));
- PUSHs(sv_2mortal(newSViv(bad)));
- PUSHs(sv_2mortal(newSViv(used)));
-}
-
-unsigned int
-next(unused, cluster)
- void *unused
- unsigned int cluster
- CODE:
- RETVAL = next(cluster);
- OUTPUT:
- RETVAL
-
-void
-set_next(unused, cluster, val)
- void *unused
- unsigned int cluster
- unsigned int val
- CODE:
- set_next(cluster, val);
-
-void
-allocate_fat_flag(size)
- int size
- CODE:
- fat_flag_map = calloc(size, 1);
- if (!fat_flag_map) {
- free_all();
- croak("allocate_fat_flag: not enough memory");
- }
-
-int
-checkFat(cluster, type, name)
- unsigned int cluster
- int type
- char *name
- CODE:
- int nb = 0;
-
- if (!fat_flag_map) {
- free_all();
- croak("Bad FAT: trying to use null pointer");
- }
- for (; cluster < bad_cluster_value; cluster = next(cluster)) {
- if (cluster == 0) {
- free_all();
- croak("Bad FAT: unterminated chain for %s\n", name);
- }
- if (cluster >= nb_clusters + 2) {
- free_all();
- croak("Bad FAT: chain outside filesystem for %s\n", name);
- }
- if (fat_flag_map[cluster]) {
- free_all();
- croak("Bad FAT: cluster %d is cross-linked for %s\n", cluster, name);
- }
- fat_flag_map[cluster] = type;
- nb++;
- }
- RETVAL = nb;
- OUTPUT:
- RETVAL
-
-unsigned int
-flag(cluster)
- unsigned int cluster
- CODE:
- if (!fat_flag_map) {
- free_all();
- croak("Bad FAT: trying to use null pointer");
- }
- if (cluster >= nb_clusters + 2) {
- free_all();
- croak("Bad FAT: going outside filesystem");
- }
- RETVAL = fat_flag_map[cluster];
- OUTPUT:
- RETVAL
-
-void
-set_flag(cluster, flag)
- unsigned int cluster
- int flag
- CODE:
- if (!fat_flag_map) {
- free_all();
- croak("Bad FAT: trying to use null pointer");
- }
- if (cluster >= nb_clusters + 2) {
- free_all();
- croak("Bad FAT: going outside filesystem");
- }
- fat_flag_map[cluster] = flag;
-
-void
-allocate_fat_remap(size)
- int size
- CODE:
- fat_remap_size = size;
- fat_remap = (unsigned int *) calloc(size, sizeof(unsigned int *));
- if (!fat_remap) {
- free_all();
- croak("allocate_fat_remap: not enough memory");
- }
-
-unsigned int
-fat_remap(cluster)
- unsigned int cluster
- CODE:
- if (!fat_remap) {
- free_all();
- croak("fat_remap: trying to use null pointer");
- }
- if (cluster >= bad_cluster_value) {
- RETVAL = cluster; /* special cases */
- } else {
- if (cluster >= fat_remap_size) {
- free_all();
- croak("fat_remap: cluster %d >= %d in fat_remap", cluster, fat_remap_size);
- }
- RETVAL = fat_remap[cluster];
- }
- OUTPUT:
- RETVAL
-
-void
-set_fat_remap(cluster, val)
- unsigned int cluster
- unsigned int val
- CODE:
- if (!fat_remap) {
- free_all();
- croak("set_fat_remap: trying to use null pointer");
- }
- if (cluster >= fat_remap_size) {
- free_all();
- croak("set_fat_remap: cluster %d >= %d in set_fat_remap", cluster, fat_remap_size);
- }
- if (val < bad_cluster_value && val >= fat_remap_size) {
- free_all();
- croak("set_fat_remap: remapping cluster %d to cluster %d >= %d in set_fat_remap", cluster, val, fat_remap_size);
- }
- fat_remap[cluster] = val;
diff --git a/perl-install/resize_fat/dir_entry.pm b/perl-install/resize_fat/dir_entry.pm
deleted file mode 100644
index b39c72094..000000000
--- a/perl-install/resize_fat/dir_entry.pm
+++ /dev/null
@@ -1,77 +0,0 @@
-package resize_fat::dir_entry; # $Id$
-
-use diagnostics;
-use strict;
-
-
-my $DELETED_FLAG = 0xe5;
-
-my $READ_ONLY_ATTR = 0x01;
-my $HIDDEN_ATTR = 0x02;
-my $SYSTEM_ATTR = 0x04;
-my $VOLUME_LABEL_ATTR = 0x08;
-my $VFAT_ATTR = 0x0f;
-my $DIRECTORY_ATTR = 0x10;
-
-1;
-
-sub get_cluster($) {
- my ($entry) = @_;
- $entry->{first_cluster} + ($resize_fat::isFAT32 ? $entry->{first_cluster_high} * (1 << 16) : 0);
-}
-sub set_cluster($$) {
- my ($entry, $val) = @_;
- $entry->{first_cluster} = $val & (1 << 16) - 1;
- $entry->{first_cluster_high} = $val >> 16 if $resize_fat::isFAT32;
-}
-
-sub is_unmoveable($) {
- my ($entry) = @_;
- $entry->{attributes} & $HIDDEN_ATTR || $entry->{attributes} & $SYSTEM_ATTR;
-}
-
-sub is_directory($) {
- my ($entry) = @_;
- $entry->{attributes} & $DIRECTORY_ATTR && $entry->{name} !~ /^\.\.? / && !is_special_entry($entry);
-}
-
-sub is_volume($) {
- my ($entry) = @_;
- !is_special_entry($entry) && $entry->{attributes} & $VOLUME_LABEL_ATTR;
-}
-
-sub is_file($) {
- my ($entry) = @_;
- !is_special_entry($entry) && !is_directory($entry) && !is_volume($entry) && $entry->{length};
-}
-
-
-sub is_special_entry($) {
- my ($entry) = @_;
- my ($c) = unpack "C", $entry->{name};
-
- #- skip empty slots, deleted files, and 0xF6?? (taken from kernel)
- $c == 0 || $c == $DELETED_FLAG || $c == 0xF6 and return 1;
-
- $entry->{attributes} == $VFAT_ATTR and return 1;
- 0;
-}
-
-
-#- return true if entry has been modified
-#- curr_dir_name is added to contains current directory name, "" for root.
-sub remap {
- my ($curr_dir_name, $entry) = @_;
-
- is_special_entry($entry) and return;
-
- my $cluster = get_cluster($entry);
- my $new_cluster = resize_fat::c_rewritten::fat_remap($cluster);
-
- #-print "remapping cluster ", get_cluster($entry), " to $new_cluster";
-
- $new_cluster == $cluster and return; #- no need to modify
-
- set_cluster($entry, $new_cluster);
- 1;
-}
diff --git a/perl-install/resize_fat/directory.pm b/perl-install/resize_fat/directory.pm
deleted file mode 100644
index beb780bcf..000000000
--- a/perl-install/resize_fat/directory.pm
+++ /dev/null
@@ -1,79 +0,0 @@
-package resize_fat::directory; # $Id$
-
-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',
-);
-my $psizeof_format = psizeof($format);
-
-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 ($directory, $curr_dir_name, $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;
-
- &$f($curr_dir_name, $entry)
- and $$raw = pack $format, @{$entry}{@fields};
- }
- $directory;
-}
-
-sub traverse_all($$) {
- my ($fs, $f) = @_;
-
- my $traverse_all; $traverse_all = sub {
- my ($curr_dir_name, $entry) = @_;
-
- &$f($curr_dir_name, $entry);
-
- resize_fat::dir_entry::is_directory($entry)
- and traverse(resize_fat::io::read_file($fs, resize_fat::dir_entry::get_cluster($entry)), "$curr_dir_name/$entry->{name}", $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}, $fs->{root_dir_size});
- traverse($directory, "", $traverse_all);
- undef $traverse_all; #- circular reference is no good for perl's poor GC :(
-}
-
-
-#- function used by construct_dir_tree to translate the `cluster' fields in each
-#- directory entry
-sub remap($$) {
- my ($fs, $directory) = @_;
- traverse($directory, "", \&resize_fat::dir_entry::remap);
-}
diff --git a/perl-install/resize_fat/fat.pm b/perl-install/resize_fat/fat.pm
deleted file mode 100644
index 31643f0a3..000000000
--- a/perl-install/resize_fat/fat.pm
+++ /dev/null
@@ -1,138 +0,0 @@
-package resize_fat::fat; # $Id$
-
-use diagnostics;
-use strict;
-
-use resize_fat::any;
-use resize_fat::io;
-use resize_fat::c_rewritten;
-
-1;
-
-sub read($) {
- my ($fs) = @_;
-
- resize_fat::c_rewritten::read_fat(fileno $fs->{fd}, $fs->{fat_offset}, $fs->{fat_size}, $fs->{media});
-
- @{$fs->{clusters}{count}}{qw(free bad used)} =
- resize_fat::c_rewritten::scan_fat($fs->{nb_clusters}, $fs->{fs_type_size});
-}
-
-sub write($) {
- my ($fs) = @_;
-
- sysseek $fs->{fd}, $fs->{fat_offset}, 0 or die "write_fat: seek failed";
- foreach (1..$fs->{nb_fats}) {
- resize_fat::c_rewritten::write_fat(fileno $fs->{fd}, $fs->{fat_size});
- }
-}
-
-
-
-#- allocates where all the clusters will be moved to. Clusters before cut_point
-#- remain in the same position, however cluster that are part of a directory are
-#- moved regardless (this is a mechanism to prevent data loss) (cut_point is the
-#- first cluster that won't occur in the new fs)
-sub allocate_remap {
- my ($fs, $cut_point) = @_;
- my ($cluster, $new_cluster);
- my $remap = sub { resize_fat::c_rewritten::set_fat_remap($cluster, $new_cluster) };
- my $get_new = sub {
- $new_cluster = get_free($fs);
- 0 < $new_cluster && $new_cluster < $cut_point or die "no free clusters";
- set_eof($fs, $new_cluster); #- mark as used
- #-log::ld("resize_fat: [$cluster,", &next($fs, $cluster), "...]->$new_cluster...");
- };
-
- #- this must call allocate_fat_remap that zeroes the buffer allocated.
- resize_fat::c_rewritten::allocate_fat_remap($fs->{nb_clusters} + 2);
-
- $fs->{last_free_cluster} = 2;
- for ($cluster = 2; $cluster < $fs->{nb_clusters} + 2; $cluster++) {
- if ($cluster < $cut_point) {
- if (resize_fat::c_rewritten::flag($cluster) == $resize_fat::any::DIRECTORY) {
- &$get_new();
- } else {
- $new_cluster = $cluster;
- }
- &$remap();
- } elsif (!is_empty(&next($fs, $cluster))) {
- &$get_new();
- &$remap();
- }
- }
-}
-
-
-#- updates the fat for the resized filesystem
-sub update {
- my ($fs) = @_;
-
- for (my $cluster = 2; $cluster < $fs->{nb_clusters} + 2; $cluster++) {
- if (resize_fat::c_rewritten::flag($cluster)) {
- my $old_next = &next($fs, $cluster);
- my $new = resize_fat::c_rewritten::fat_remap($cluster);
- my $new_next = resize_fat::c_rewritten::fat_remap($old_next);
-
- set_available($fs, $cluster);
-
- is_eof($old_next) ?
- set_eof($fs, $new) :
- set_next ($fs, $new, $new_next);
- }
- }
-}
-
-
-sub endianness16($) { (($_[0] & 0xff) << 8) + ($_[0] >> 8); }
-sub endianness($$) {
- my ($val, $nb_bits) = @_;
- my $r = 0;
- for (; $nb_bits > 0; $nb_bits -= 8) {
- $r <<= 8;
- $r += $val & 0xff;
- $val >>= 8;
- }
- $nb_bits < 0 and die "error: endianness only handle numbers divisible by 8";
- $r;
-}
-
-*next = \&resize_fat::c_rewritten::next;
-*set_next = \&resize_fat::c_rewritten::set_next;
-
-
-
-sub get_free($) {
- my ($fs) = @_;
- foreach (my $i = 0; $i < $fs->{nb_clusters}; $i++) {
- my $cluster = ($i + $fs->{last_free_cluster} - 2) % $fs->{nb_clusters} + 2;
- is_available(&next($fs, $cluster)) and return $fs->{last_free_cluster} = $cluster;
- }
- die "no free clusters";
-}
-
-#- returns true if <cluster> represents an EOF marker
-sub is_eof($) {
- my ($cluster) = @_;
- $cluster >= $resize_fat::bad_cluster_value;
-}
-sub set_eof($$) {
- my ($fs, $cluster) = @_;
- set_next ($fs, $cluster, $resize_fat::bad_cluster_value + 1);
-}
-
-#- returns true if <cluster> is empty. Note that this includes bad clusters.
-sub is_empty($) {
- my ($cluster) = @_;
- $cluster == 0 || $cluster == $resize_fat::bad_cluster_value;
-}
-
-#- returns true if <cluster> is available.
-sub is_available($) {
- my ($cluster) = @_;
- $cluster == 0;
-}
-sub set_available($$) {
- my ($fs, $cluster) = @_;
- set_next ($fs, $cluster, 0);
-}
diff --git a/perl-install/resize_fat/info_sector.pm b/perl-install/resize_fat/info_sector.pm
deleted file mode 100644
index 1d9c1690a..000000000
--- a/perl-install/resize_fat/info_sector.pm
+++ /dev/null
@@ -1,37 +0,0 @@
-package resize_fat::info_sector; # $Id$
-
-use diagnostics;
-use strict;
-
-use common qw(:system);
-use resize_fat::io;
-
-#- Oops, this will be unresizable on big-endian machine. trapped by signature.
-my $format = "a484 I I I a16";
-my @fields = (
- 'unused',
- 'signature', #- should be 0x61417272
- 'free_clusters', #- -1 for unknown
- 'next_cluster', #- most recently allocated cluster
- 'unused2',
-);
-
-1;
-
-
-sub read($) {
- my ($fs) = @_;
- my $info = resize_fat::io::read($fs, $fs->{info_offset}, psizeof($format));
- @{$fs->{info_sector}}{@fields} = unpack $format, $info;
- $fs->{info_sector}{signature} == 0x61417272 or die "Invalid information sector signature\n";
-}
-
-sub write($) {
- my ($fs) = @_;
- $fs->{info_sector}{free_clusters} = $fs->{clusters}->{count}->{free};
- $fs->{info_sector}{next_cluster} = 2;
-
- my $info = pack $format, @{$fs->{info_sector}}{@fields};
-
- resize_fat::io::write($fs, $fs->{info_offset}, psizeof($format), $info);
-}
diff --git a/perl-install/resize_fat/io.pm b/perl-install/resize_fat/io.pm
deleted file mode 100644
index 7643a0953..000000000
--- a/perl-install/resize_fat/io.pm
+++ /dev/null
@@ -1,71 +0,0 @@
-package resize_fat::io; # $Id$
-
-use diagnostics;
-use strict;
-
-use resize_fat::fat;
-use c;
-
-1;
-
-
-sub read($$$) {
- my ($fs, $pos, $size) = @_;
- print "reading $size bytes at $pos\n";
- my $buf = "\0" x $size;
- sysseek $fs->{fd}, $pos, 0 or die "seeking to byte #$pos failed on device $fs->{fs_name}";
- sysread $fs->{fd}, $buf, $size or die "reading at byte #$pos failed on device $fs->{fs_name}";
- $buf;
-}
-sub write($$$$) {
- my ($fs, $pos, $size, $buf) = @_;
- sysseek $fs->{fd}, $pos, 0 or die "seeking to byte #$pos failed on device $fs->{fs_name}";
- syswrite $fs->{fd}, $buf or die "writing at byte #$pos failed on device $fs->{fs_name}";
-}
-
-sub read_cluster($$) {
- my ($fs, $cluster) = @_;
- my $buf;
- my $pos = $fs->{cluster_offset} / 512 + $cluster * ($fs->{cluster_size} / 512);
-
- c::lseek_sector(fileno $fs->{fd}, $pos, 0) or die "seeking to sector #$pos failed on device $fs->{fs_name}";
- sysread $fs->{fd}, $buf, $fs->{cluster_size} or die "reading at sector #$pos failed on device $fs->{fs_name}";
- $buf;
-}
-sub write_cluster($$$) {
- my ($fs, $cluster, $buf) = @_;
- my $pos = $fs->{cluster_offset} / 512 + $cluster * ($fs->{cluster_size} / 512);
-
- c::lseek_sector(fileno $fs->{fd}, $pos, 0) or die "seeking to sector #$pos failed on device $fs->{fs_name}";
- syswrite $fs->{fd}, $buf or die "writing at sector #$pos failed on device $fs->{fs_name}";
-}
-
-sub read_file($$) {
- my ($fs, $cluster) = @_;
- my $buf = '';
-
- for (; !resize_fat::fat::is_eof($cluster); $cluster = resize_fat::fat::next ($fs, $cluster)) {
- $cluster == 0 and die "Bad FAT: unterminated chain\n";
- $buf .= read_cluster($fs, $cluster);
- }
- $buf;
-}
-
-sub check_mounted($) {
- my ($f) = @_;
-
- local *F;
- open F, "/proc/mounts" or die "error opening /proc/mounts\n";
- foreach (<F>) {
- /^$f\s/ and die "device is mounted";
- }
-}
-
-sub open($) {
- my ($fs) = @_;
-
- check_mounted($fs->{device});
-
- sysopen F, $fs->{fs_name}, 2 or sysopen F, $fs->{fs_name}, 0 or die "error opening device $fs->{fs_name} for writing\n";
- $fs->{fd} = *F;
-}
diff --git a/perl-install/resize_fat/main.pm b/perl-install/resize_fat/main.pm
deleted file mode 100644
index dc1a65e65..000000000
--- a/perl-install/resize_fat/main.pm
+++ /dev/null
@@ -1,185 +0,0 @@
-#!/usr/bin/perl
-
-# DiskDrake
-# Copyright (C) 1999 MandrakeSoft (pixel@linux-mandrake.com)
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-# This is mainly a perl rewrite of the work of Andrew Clausen (libresize)
-
-package resize_fat::main; # $Id$
-
-use diagnostics;
-use strict;
-
-use log;
-use common qw(:common :system :constant);
-use resize_fat::boot_sector;
-use resize_fat::info_sector;
-use resize_fat::directory;
-use resize_fat::io;
-use resize_fat::fat;
-use resize_fat::any;
-
-
-1;
-
-#- - reads in the boot sector/partition info., and tries to make some sense of it
-sub new($$$) {
- my ($type, $device, $fs_name) = @_;
- my $fs = { device => $device, fs_name => $fs_name } ;
-
- eval {
- resize_fat::io::open($fs);
- resize_fat::boot_sector::read($fs);
- $resize_fat::isFAT32 and eval { resize_fat::info_sector::read($fs) };
- resize_fat::fat::read($fs);
- resize_fat::any::flag_clusters($fs);
- };
- if ($@) {
- close $fs->{fd};
- die;
- }
- bless $fs, $type;
-}
-
-sub DESTROY {
- my ($fs) = @_;
- close $fs->{fd};
- resize_fat::c_rewritten::free_all();
-}
-
-#- copy all clusters >= <start_cluster> to a new place on the partition, less
-#- than <start_cluster>. Only copies files, not directories.
-#- (use of buffer needed because the seeks slow like hell the hard drive)
-sub copy_clusters {
- my ($fs, $cluster) = @_;
- my @buffer;
- my $flush = sub {
- while (@buffer) {
- my $cluster = shift @buffer;
- resize_fat::io::write_cluster($fs, $cluster, shift @buffer);
- }
- };
- for (; $cluster < $fs->{nb_clusters} + 2; $cluster++) {
- resize_fat::c_rewritten::flag($cluster) == $resize_fat::any::FILE or next;
- push @buffer,
- resize_fat::c_rewritten::fat_remap($cluster),
- resize_fat::io::read_cluster($fs, $cluster);
- @buffer > 50 and &$flush();
- }
- &$flush();
-}
-
-#- Constructs the new directory tree to match the new file locations.
-sub construct_dir_tree {
- my ($fs) = @_;
-
- if ($resize_fat::isFAT32) {
- #- fat32's root must remain in the first 64k clusters
- #- so don't set it as DIRECTORY, it will be specially handled
- resize_fat::c_rewritten::set_flag($fs->{fat32_root_dir_cluster}, $resize_fat::any::FREE);
- }
-
- for (my $cluster = 2; $cluster < $fs->{nb_clusters} + 2; $cluster++) {
- resize_fat::c_rewritten::flag($cluster) == $resize_fat::any::DIRECTORY or next;
-
- resize_fat::io::write_cluster($fs,
- resize_fat::c_rewritten::fat_remap($cluster),
- resize_fat::directory::remap($fs, resize_fat::io::read_cluster($fs, $cluster)));
- }
-
- sync();
-
- #- until now, only free clusters have been written. it's a null operation if we stop here.
- #- it means no corruption :)
- #
- #- now we must be as fast as possible!
-
- #- remapping non movable root directory
- if ($resize_fat::isFAT32) {
- my $cluster = $fs->{fat32_root_dir_cluster};
-
- resize_fat::io::write_cluster($fs,
- resize_fat::c_rewritten::fat_remap($cluster),
- resize_fat::directory::remap($fs, resize_fat::io::read_cluster($fs, $cluster)));
- } else {
- resize_fat::io::write($fs, $fs->{root_dir_offset}, $fs->{root_dir_size},
- resize_fat::directory::remap($fs, resize_fat::io::read($fs, $fs->{root_dir_offset}, $fs->{root_dir_size})));
- }
-}
-
-sub min_size($) { &resize_fat::any::min_size }
-sub max_size($) { &resize_fat::any::max_size }
-sub used_size($) { &resize_fat::any::used_size }
-
-#- resize
-#- - size is in sectors
-#- - checks boundaries before starting
-#- - copies all data beyond new_cluster_count behind the frontier
-sub resize {
- my ($fs, $size) = @_;
-
- my ($min, $max) = (min_size($fs), max_size($fs));
-
- $size += $min if $size =~ /^\+/;
-
- $size >= $min or die "Minimum filesystem size is $min sectors";
- $size <= $max or die "Maximum filesystem size is $max sectors";
-
- log::l("resize_fat: Partition size will be ". ($size * $SECTORSIZE >> 20) ."Mb (well exactly ${size} sectors)");
-
- my $new_data_size = $size * $SECTORSIZE - $fs->{cluster_offset};
- my $new_nb_clusters = divide($new_data_size, $fs->{cluster_size});
- my $used_size = used_size($fs);
-
- log::l("resize_fat: Break point for moving files is ". ($used_size * $SECTORSIZE >> 20) ." Mb ($used_size sectors)");
- if ($size < $used_size) {
- log::l("resize_fat: Allocating new clusters");
- resize_fat::fat::allocate_remap($fs, $new_nb_clusters);
-
- log::l("resize_fat: Copying files");
- copy_clusters($fs, $new_nb_clusters);
-
- log::l("resize_fat: Copying directories");
- construct_dir_tree($fs);
-
- log::l("Writing new FAT...");
- resize_fat::fat::update($fs);
- resize_fat::fat::write($fs);
- } else {
- log::l("resize_fat: Nothing need to be moved");
- }
-
- $fs->{nb_sectors} = $size;
- $fs->{nb_clusters} = $new_nb_clusters;
- $fs->{clusters}{count}->{free} =
- $fs->{nb_clusters} - $fs->{clusters}{count}->{used} - $fs->{clusters}->{count}->{bad} - 2;
-
- $fs->{system_id} = 'was here!';
- $fs->{small_nb_sectors} = 0;
- $fs->{big_nb_sectors} = $size;
-
- log::l("resize_fat: Writing new boot sector...");
-
- resize_fat::boot_sector::write($fs);
-
- $resize_fat::isFAT32 and eval { resize_fat::info_sector::write($fs) }; #- doesn't matter if this fails - its pretty useless!
-
- sync();
- close $fs->{fd};
- log::l("resize_fat: done");
-}
-
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-11 02:36:21 +0000