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Aaru/Aaru.Filesystems/PFS/Structs.cs

105 lines
3.8 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Professional File System plugin.
//
// --[ 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/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
// ReSharper disable UnusedType.Local
using System.Runtime.InteropServices;
using Aaru.CommonTypes.Attributes;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection of the Professional File System</summary>
public sealed partial class PFS
{
#region Nested type: BootBlock
/// <summary>Boot block, first 2 sectors</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
[SwapEndian]
partial struct BootBlock
{
/// <summary>"PFS\1" disk type</summary>
public uint diskType;
/// <summary>Boot code, til completion</summary>
public byte[] bootCode;
}
#endregion
#region Nested type: RootBlock
[StructLayout(LayoutKind.Sequential, Pack = 1)]
[SwapEndian]
partial struct RootBlock
{
/// <summary>Disk type</summary>
public uint diskType;
/// <summary>Options</summary>
public uint options;
/// <summary>Current datestamp</summary>
public uint datestamp;
/// <summary>Volume creation day</summary>
public ushort creationday;
/// <summary>Volume creation minute</summary>
public ushort creationminute;
/// <summary>Volume creation tick</summary>
public ushort creationtick;
/// <summary>AmigaDOS protection bits</summary>
public ushort protection;
/// <summary>Volume label (Pascal string)</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public byte[] diskname;
/// <summary>Last reserved block</summary>
public uint lastreserved;
/// <summary>First reserved block</summary>
public uint firstreserved;
/// <summary>Free reserved blocks</summary>
public uint reservedfree;
/// <summary>Size of reserved blocks in bytes</summary>
public ushort reservedblocksize;
/// <summary>Blocks in rootblock, including bitmap</summary>
public ushort rootblockclusters;
/// <summary>Free blocks</summary>
public uint blocksfree;
/// <summary>Blocks that must be always free</summary>
public uint alwaysfree;
/// <summary>Current bitmapfield number for allocation</summary>
public uint rovingPointer;
/// <summary>Pointer to deldir</summary>
public uint delDirPtr;
/// <summary>Disk size in sectors</summary>
public uint diskSize;
/// <summary>Rootblock extension</summary>
public uint extension;
/// <summary>Unused</summary>
public uint unused;
}
#endregion
}