mirror of
https://github.com/elliotnunn/libhfs.git
synced 2024-10-31 09:15:04 +00:00
65 lines
2.0 KiB
Perl
65 lines
2.0 KiB
Perl
|
#! /usr/bin/perl
|
||
|
#
|
||
|
# hfsutils - tools for reading and writing Macintosh HFS volumes
|
||
|
# Copyright (C) 1996-1998 Robert Leslie
|
||
|
#
|
||
|
# 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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
#
|
||
|
# $Id: hdisk.pl,v 1.6 1998/04/11 08:26:57 rob Exp $
|
||
|
#
|
||
|
|
||
|
die "Usage: $0 device-path\n" unless (@ARGV == 1);
|
||
|
|
||
|
($disk) = @ARGV;
|
||
|
|
||
|
format STDOUT_TOP =
|
||
|
# Partition Type HFS Volume Name Start Length
|
||
|
-------------------------------------------------------------------------------
|
||
|
.
|
||
|
|
||
|
format STDOUT =
|
||
|
@# @<<<<<<<<<<<<<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<<<<<<<<< @####### @########
|
||
|
$bnum, $pmParType, $drVN, $pmPyPartStart, $pmPartBlkCnt
|
||
|
.
|
||
|
|
||
|
open(DISK, $disk) || die "$disk: $!\n";
|
||
|
|
||
|
$bnum = 1;
|
||
|
|
||
|
do {
|
||
|
seek(DISK, 512 * $bnum, 0) || die "seek: $!\n";
|
||
|
read(DISK, $block, 512) || die "read: $!\n";
|
||
|
|
||
|
($pmSig, $pmMapBlkCnt, $pmPyPartStart, $pmPartBlkCnt, $pmParType) =
|
||
|
(unpack('n2 N3 A32 A32 N10 A16', $block))[0, 2..4, 6];
|
||
|
|
||
|
die "$disk: unsupported partition map\n" if ($pmSig == 0x5453);
|
||
|
die "$disk: no partition map\n" unless ($pmSig == 0x504d);
|
||
|
|
||
|
if ($pmParType eq 'Apple_HFS') {
|
||
|
seek(DISK, 512 * ($pmPyPartStart + 2), 0) || die "seek: $!\n";
|
||
|
read(DISK, $block, 512) || die "read: $!\n";
|
||
|
|
||
|
($len, $drVN) = (unpack('n N2 n5 N2 n N n c A27', $block))[13, 14];
|
||
|
$drVN = substr($drVN, 0, $len);
|
||
|
} else {
|
||
|
$drVN = '';
|
||
|
}
|
||
|
|
||
|
write;
|
||
|
} while ($bnum++ < $pmMapBlkCnt);
|
||
|
|
||
|
close(DISK);
|