// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename       : Structs.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
//     Contains structures for VirtualBox disk images.
//
// --[ 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 © 2011-2026 Natalia Portillo
// ****************************************************************************/

using System;
using System.Runtime.InteropServices;

namespace Aaru.Images;

public sealed partial class Vdi
{
#region Nested type: Header

    /// <summary>VDI disk image header, little-endian</summary>
    [StructLayout(LayoutKind.Sequential, Pack = 1)]
    struct Header
    {
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
        public string creator;
        /// <summary>Magic, <see cref="Vdi.VDI_MAGIC" /></summary>
        public uint magic;
        /// <summary>Version</summary>
        public ushort majorVersion;
        public          ushort        minorVersion;
        public          int           headerSize;
        public          VdiImageType  imageType;
        public readonly VdiImageFlags imageFlags;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
        public string comments;
        public          uint  offsetBlocks;
        public          uint  offsetData;
        public          uint  cylinders;
        public          uint  heads;
        public          uint  spt;
        public          uint  sectorSize;
        public readonly uint  unused;
        public          ulong size;
        public          uint  blockSize;
        public readonly uint  blockExtraData;
        public          uint  blocks;
        public          uint  allocatedBlocks;
        public          Guid  uuid;
        public          Guid  snapshotUuid;
        public readonly Guid  linkUuid;
        public readonly Guid  parentUuid;
        public          uint  logicalCylinders;
        public          uint  logicalHeads;
        public          uint  logicalSpt;
        public readonly uint  logicalSectorSize;
    }

#endregion
}