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82 lines
3.3 KiB
C#
82 lines
3.3 KiB
C#
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// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Structs.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Reiser filesystem plugin
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Runtime.InteropServices;
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namespace Aaru.Filesystems;
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/// <inheritdoc />
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/// <summary>Implements detection of the Reiser v3 filesystem</summary>
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public sealed partial class Reiser
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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readonly struct JournalParameters
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{
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public readonly uint journal_1stblock;
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public readonly uint journal_dev;
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public readonly uint journal_size;
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public readonly uint journal_trans_max;
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public readonly uint journal_magic;
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public readonly uint journal_max_batch;
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public readonly uint journal_max_commit_age;
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public readonly uint journal_max_trans_age;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct Superblock
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{
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public readonly uint block_count;
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public readonly uint free_blocks;
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public readonly uint root_block;
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public readonly JournalParameters journal;
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public readonly ushort blocksize;
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public readonly ushort oid_maxsize;
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public readonly ushort oid_cursize;
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public readonly ushort umount_state;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
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public readonly byte[] magic;
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public readonly ushort fs_state;
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public readonly uint hash_function_code;
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public readonly ushort tree_height;
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public readonly ushort bmap_nr;
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public readonly ushort version;
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public readonly ushort reserved_for_journal;
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public readonly uint inode_generation;
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public readonly uint flags;
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public readonly Guid uuid;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public readonly byte[] label;
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public readonly ushort mnt_count;
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public readonly ushort max_mnt_count;
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public readonly uint last_check;
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public readonly uint check_interval;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 76)]
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public readonly byte[] unused;
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}
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}
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