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110 lines
4.1 KiB
C#
110 lines
4.1 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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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 : Apple DOS filesystem plugin.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Apple DOS filesystem structures.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System.Runtime.InteropServices;
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namespace DiscImageChef.Filesystems.AppleDOS
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{
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public partial class AppleDOS
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct Vtoc
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{
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public byte unused1;
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public byte catalogTrack;
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public byte catalogSector;
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public byte dosRelease;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public byte[] unused2;
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public byte volumeNumber;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
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public byte[] unused3;
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public byte maxTrackSectorPairsPerSector;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] unused4;
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public byte lastAllocatedSector;
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public sbyte allocationDirection;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public byte[] unused5;
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public byte tracks;
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public byte sectorsPerTrack;
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public ushort bytesPerSector;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 200)]
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public byte[] bitmap;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct CatalogSector
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{
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public byte unused1;
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public byte trackOfNext;
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public byte sectorOfNext;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] unused2;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
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public FileEntry[] entries;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct FileEntry
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{
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public byte extentTrack;
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public byte extentSector;
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public byte typeAndFlags;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 30)]
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public byte[] filename;
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public ushort length;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct TrackSectorList
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{
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public byte unused1;
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public byte nextListTrack;
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public byte nextListSector;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public byte[] unused2;
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public ushort sectorOffset;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
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public byte[] unused3;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 122)]
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public TrackSectorListEntry[] entries;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct TrackSectorListEntry
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{
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public byte track;
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public byte sector;
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}
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}
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} |