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Aaru/Aaru.Filesystems/QNX4.cs

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Refactor, pass whole partition structure to filesystems.
2017-07-19 16:31:08 +01:00
// /***************************************************************************
Rename comment header.
2020-02-27 12:31:25 +00:00
// Aaru Data Preservation Suite
Adds support for QNX4 filesystem. #18
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// ----------------------------------------------------------------------------
//
// Filename : QNX4.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
REFACTOR: Updated comments and copyright date.
2017-12-19 03:50:57 +00:00
// Component : QNX4 filesystem plugin.
Adds support for QNX4 filesystem. #18
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//
// --[ Description ] ----------------------------------------------------------
//
Adds support for QNX6 filesystem, closes #18.
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// Identifies the QNX4 filesystem and shows information.
Adds support for QNX4 filesystem. #18
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//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
Update copyright date.
2020-01-03 17:51:30 +00:00
// Copyright © 2011-2020 Natalia Portillo
Adds support for QNX4 filesystem. #18
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// ****************************************************************************/
using System;
Fix unused code.
2020-07-20 07:47:12 +01:00
using System.Diagnostics.CodeAnalysis;
Adds support for QNX4 filesystem. #18
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using System.Linq;
Adds support for QNX6 filesystem, closes #18.
2016-09-02 06:03:58 +01:00
using System.Runtime.InteropServices;
Added support for different character encodings.
2017-06-06 21:23:20 +01:00
using System.Text;
Rename namespace.
2020-02-27 00:33:26 +00:00
using Aaru.CommonTypes;
using Aaru.CommonTypes.Interfaces;
Fix namespaces.
2020-07-20 15:43:52 +01:00
using Aaru.Helpers;
REFACTOR: Remove unneeded code.
2017-12-21 14:30:38 +00:00
using Schemas;
Rename namespace.
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using Marshal = Aaru.Helpers.Marshal;
Adds support for QNX4 filesystem. #18
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Rename namespace.
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namespace Aaru.Filesystems
Adds support for QNX4 filesystem. #18
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{
Fix unused code.
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[SuppressMessage("ReSharper", "UnusedType.Local")]
Code style fixes.
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public sealed class QNX4 : IFilesystem
Adds support for QNX4 filesystem. #18
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{
Naming fixes.
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readonly byte[] _rootDirFname =
Add "Author" field to plugins.
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{
0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
Adds support for QNX4 filesystem. #18
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🎨REFACTOR: Use auto-properties.
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public FileSystemType XmlFsType { get; private set; }
Code cleanup.
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public Encoding Encoding { get; private set; }
public string Name => "QNX4 Plugin";
public Guid Id => new Guid("E73A63FA-B5B0-48BF-BF82-DA5F0A8170D2");
Add "Author" field to plugins.
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public string Author => "Natalia Portillo";
Adds support for QNX4 filesystem. #18
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🎨REFACTOR: Plugins do not need to expose their methods as virtual.
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public bool Identify(IMediaImage imagePlugin, Partition partition)
Adds support for QNX4 filesystem. #18
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{
Code restyling.
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if(partition.Start + 1 >= imagePlugin.Info.Sectors)
return false;
Added bound checks.
2017-11-08 17:05:00 +00:00
Refactor: Simplify field names.
2017-07-19 16:37:11 +01:00
byte[] sector = imagePlugin.ReadSector(partition.Start + 1);
Code restyling.
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if(sector.Length < 512)
return false;
Adds support for QNX4 filesystem. #18
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Naming fixes.
2020-07-20 21:11:32 +01:00
Superblock qnxSb = Marshal.ByteArrayToStructureLittleEndian<Superblock>(sector);
Adds support for QNX4 filesystem. #18
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// Check root directory name
Naming fixes.
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if(!_rootDirFname.SequenceEqual(qnxSb.rootDir.di_fname))
Code restyling.
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return false;
Adds support for QNX4 filesystem. #18
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// Check sizes are multiple of blocks
Code restyling.
2020-02-29 18:03:35 +00:00
if(qnxSb.rootDir.di_size % 512 != 0 ||
qnxSb.inode.di_size % 512 != 0 ||
qnxSb.boot.di_size % 512 != 0 ||
qnxSb.altBoot.di_size % 512 != 0)
return false;
Adds support for QNX4 filesystem. #18
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// Check extents are not past device
Refactor: Simplify field names.
2017-07-19 16:37:11 +01:00
if(qnxSb.rootDir.di_first_xtnt.block + partition.Start >= partition.End ||
Code cleanup.
2018-06-22 08:08:38 +01:00
qnxSb.inode.di_first_xtnt.block + partition.Start >= partition.End ||
qnxSb.boot.di_first_xtnt.block + partition.Start >= partition.End ||
Code restyling.
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qnxSb.altBoot.di_first_xtnt.block + partition.Start >= partition.End)
return false;
Adds support for QNX4 filesystem. #18
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// Check inodes are in use
Code restyling.
2020-02-29 18:03:35 +00:00
if((qnxSb.rootDir.di_status & 0x01) != 0x01 ||
(qnxSb.inode.di_status & 0x01) != 0x01 ||
(qnxSb.boot.di_status & 0x01) != 0x01)
return false;
Adds support for QNX4 filesystem. #18
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// All hail filesystems without identification marks
return true;
}
🎨REFACTOR: Plugins do not need to expose their methods as virtual.
2017-12-26 07:28:40 +00:00
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Code restyling.
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Encoding encoding)
Adds support for QNX4 filesystem. #18
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{
Code cleanup.
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Encoding = encoding ?? Encoding.GetEncoding("iso-8859-15");
Adds support for QNX4 filesystem. #18
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information = "";
Refactor: Simplify field names.
2017-07-19 16:37:11 +01:00
byte[] sector = imagePlugin.ReadSector(partition.Start + 1);
Code restyling.
2020-02-29 18:03:35 +00:00
if(sector.Length < 512)
return;
Adds support for QNX4 filesystem. #18
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Naming fixes.
2020-07-20 21:11:32 +01:00
Superblock qnxSb = Marshal.ByteArrayToStructureLittleEndian<Superblock>(sector);
Adds support for QNX4 filesystem. #18
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// Too much useless information
/*
Rename DicConsole to AaruConsole.
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AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_fname = {0}", CurrentEncoding.GetString(qnxSb.rootDir.di_fname));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_size = {0}", qnxSb.rootDir.di_size);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_first_xtnt.block = {0}", qnxSb.rootDir.di_first_xtnt.block);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_first_xtnt.length = {0}", qnxSb.rootDir.di_first_xtnt.length);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_xblk = {0}", qnxSb.rootDir.di_xblk);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ftime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_mtime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_atime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ctime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_num_xtnts = {0}", qnxSb.rootDir.di_num_xtnts);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_mode = {0}", Convert.ToString(qnxSb.rootDir.di_mode, 8));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_uid = {0}", qnxSb.rootDir.di_uid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_gid = {0}", qnxSb.rootDir.di_gid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_nlink = {0}", qnxSb.rootDir.di_nlink);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_zero = {0}", qnxSb.rootDir.di_zero);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_type = {0}", qnxSb.rootDir.di_type);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_status = {0}", qnxSb.rootDir.di_status);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_fname = {0}", CurrentEncoding.GetString(qnxSb.inode.di_fname));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_size = {0}", qnxSb.inode.di_size);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_first_xtnt.block = {0}", qnxSb.inode.di_first_xtnt.block);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_first_xtnt.length = {0}", qnxSb.inode.di_first_xtnt.length);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_xblk = {0}", qnxSb.inode.di_xblk);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_ftime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_mtime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_atime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_ctime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_num_xtnts = {0}", qnxSb.inode.di_num_xtnts);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_mode = {0}", Convert.ToString(qnxSb.inode.di_mode, 8));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_uid = {0}", qnxSb.inode.di_uid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_gid = {0}", qnxSb.inode.di_gid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_nlink = {0}", qnxSb.inode.di_nlink);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_zero = {0}", qnxSb.inode.di_zero);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_type = {0}", qnxSb.inode.di_type);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_status = {0}", qnxSb.inode.di_status);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_fname = {0}", CurrentEncoding.GetString(qnxSb.boot.di_fname));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_size = {0}", qnxSb.boot.di_size);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_first_xtnt.block = {0}", qnxSb.boot.di_first_xtnt.block);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_first_xtnt.length = {0}", qnxSb.boot.di_first_xtnt.length);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_xblk = {0}", qnxSb.boot.di_xblk);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_ftime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_mtime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_atime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_ctime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_num_xtnts = {0}", qnxSb.boot.di_num_xtnts);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_mode = {0}", Convert.ToString(qnxSb.boot.di_mode, 8));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_uid = {0}", qnxSb.boot.di_uid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_gid = {0}", qnxSb.boot.di_gid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_nlink = {0}", qnxSb.boot.di_nlink);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_zero = {0}", qnxSb.boot.di_zero);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_type = {0}", qnxSb.boot.di_type);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_status = {0}", qnxSb.boot.di_status);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_fname = {0}", CurrentEncoding.GetString(qnxSb.altBoot.di_fname));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_size = {0}", qnxSb.altBoot.di_size);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_first_xtnt.block = {0}", qnxSb.altBoot.di_first_xtnt.block);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_first_xtnt.length = {0}", qnxSb.altBoot.di_first_xtnt.length);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_xblk = {0}", qnxSb.altBoot.di_xblk);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_ftime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_mtime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_atime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_ctime));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_num_xtnts = {0}", qnxSb.altBoot.di_num_xtnts);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_mode = {0}", Convert.ToString(qnxSb.altBoot.di_mode, 8));
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_uid = {0}", qnxSb.altBoot.di_uid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_gid = {0}", qnxSb.altBoot.di_gid);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_nlink = {0}", qnxSb.altBoot.di_nlink);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_zero = {0}", qnxSb.altBoot.di_zero);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_type = {0}", qnxSb.altBoot.di_type);
AaruConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_status = {0}", qnxSb.altBoot.di_status);
Adds support for QNX4 filesystem. #18
2016-09-02 05:23:59 +01:00
*/
REFACTOR: Use string interpolation expression.
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information =
DOCUMENTATION: DateTime handlers.
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$"QNX4 filesystem\nCreated on {DateHandlers.UnixUnsignedToDateTime(qnxSb.rootDir.di_ftime)}\n";
Adds support for QNX4 filesystem. #18
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🎨REFACTOR: Use auto-properties.
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XmlFsType = new FileSystemType
Corrected XML metadata.
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{
Code cleanup.
2020-07-20 04:34:16 +01:00
Type = "QNX4 filesystem",
Clusters = partition.Length,
ClusterSize = 512,
Code cleanup.
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CreationDate = DateHandlers.UnixUnsignedToDateTime(qnxSb.rootDir.di_ftime),
CreationDateSpecified = true,
ModificationDate = DateHandlers.UnixUnsignedToDateTime(qnxSb.rootDir.di_mtime),
Corrected XML metadata.
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ModificationDateSpecified = true
};
Code restyling.
2020-02-29 18:03:35 +00:00
🎨REFACTOR: Use auto-properties.
2017-12-26 08:01:40 +00:00
XmlFsType.Bootable |= qnxSb.boot.di_size != 0 || qnxSb.altBoot.di_size != 0;
Adds support for QNX4 filesystem. #18
2016-09-02 05:23:59 +01:00
}
Naming fixes.
2020-07-20 21:11:32 +01:00
struct Extent
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
{
public uint block;
public uint length;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
Naming fixes.
2020-07-20 21:11:32 +01:00
struct Inode
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
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{
Code cleanup.
2018-06-22 08:08:38 +01:00
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
Update CICMMetadata version.
2019-04-23 01:38:33 +01:00
public readonly byte[] di_fname;
Naming fixes.
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public readonly uint di_size;
public readonly Extent di_first_xtnt;
public readonly uint di_xblk;
public readonly uint di_ftime;
public readonly uint di_mtime;
public readonly uint di_atime;
public readonly uint di_ctime;
public readonly ushort di_num_xtnts;
public readonly ushort di_mode;
public readonly ushort di_uid;
public readonly ushort di_gid;
public readonly ushort di_nlink;
public readonly uint di_zero;
public readonly byte di_type;
public readonly byte di_status;
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
Naming fixes.
2020-07-20 21:11:32 +01:00
struct LinkInfo
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
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{
Code cleanup.
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
Update CICMMetadata version.
2019-04-23 01:38:33 +01:00
public readonly byte[] dl_fname;
public readonly uint dl_inode_blk;
public readonly byte dl_inode_ndx;
Code cleanup.
2018-06-22 08:08:38 +01:00
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
Update CICMMetadata version.
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public readonly byte[] dl_spare;
public readonly byte dl_status;
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
Naming fixes.
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struct ExtentBlock
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
{
Update CICMMetadata version.
2019-04-23 01:38:33 +01:00
public readonly uint next_xblk;
public readonly uint prev_xblk;
public readonly byte num_xtnts;
Code cleanup.
2018-06-22 08:08:38 +01:00
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
Update CICMMetadata version.
2019-04-23 01:38:33 +01:00
public readonly byte[] spare;
public readonly uint num_blocks;
Code cleanup.
2018-06-22 08:08:38 +01:00
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 60)]
Naming fixes.
2020-07-20 21:11:32 +01:00
public readonly Extent[] xtnts;
Code cleanup.
2018-06-22 08:08:38 +01:00
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
Update CICMMetadata version.
2019-04-23 01:38:33 +01:00
public readonly byte[] signature;
Naming fixes.
2020-07-20 21:11:32 +01:00
public readonly Extent first_xtnt;
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
Naming fixes.
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struct Superblock
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
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{
Naming fixes.
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public readonly Inode rootDir;
public readonly Inode inode;
public readonly Inode boot;
public readonly Inode altBoot;
REFACTOR: Final cleanup of DiscImageChef.Filesystems.
2017-12-24 02:37:41 +00:00
}
Adds support for QNX4 filesystem. #18
2016-09-02 05:23:59 +01:00
}
}
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