Files
Aaru/Aaru.Images/UDIF/Constants.cs

77 lines
3.2 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Constants.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains constants for Apple Universal Disk Image Format.
//
// --[ 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
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
namespace Aaru.Images;
[SuppressMessage("ReSharper", "UnusedMember.Local")]
public sealed partial class Udif
{
const uint UDIF_SIGNATURE = 0x6B6F6C79;
const uint CHUNK_SIGNATURE = 0x6D697368;
// All chunk types with this mask are compressed
const uint CHUNK_TYPE_COMPRESSED_MASK = 0x80000000;
const uint CHUNK_TYPE_ZERO = 0x00000000;
const uint CHUNK_TYPE_COPY = 0x00000001;
const uint CHUNK_TYPE_NOCOPY = 0x00000002;
const uint CHUNK_TYPE_KENCODE = 0x80000001;
const uint CHUNK_TYPE_RLE = 0x80000002;
const uint CHUNK_TYPE_LZH = 0x80000003;
const uint CHUNK_TYPE_ADC = 0x80000004;
const uint CHUNK_TYPE_ZLIB = 0x80000005;
const uint CHUNK_TYPE_BZIP = 0x80000006;
const uint CHUNK_TYPE_LZFSE = 0x80000007;
const uint CHUNK_TYPE_LZMA = 0x80000008;
const uint CHUNK_TYPE_COMMNT = 0x7FFFFFFE;
const uint CHUNK_TYPE_END = 0xFFFFFFFF;
const uint UDIF_CHECKSUM_TYPE_NONE = 0;
const uint UDIF_CHECKSUM_TYPE_CRC28 = 1;
const uint UDIF_CHECKSUM_TYPE_CRC32 = 2;
const uint UDIF_CHECKSUM_TYPE_DC42 = 3;
const uint UDIF_CHECKSUM_TYPE_MD5 = 4;
const uint UDIF_CHECKSUM_TYPE_SHA = 5;
const uint UDIF_CHECKSUM_TYPE_SHA1 = 6;
const uint UDIF_CHECKSUM_TYPE_SHA256 = 7;
const uint UDIF_CHECKSUM_TYPE_SHA384 = 8;
const uint UDIF_CHECKSUM_TYPE_SHA512 = 9;
const string RESOURCE_FORK_KEY = "resource-fork";
const string BLOCK_KEY = "blkx";
const uint BLOCK_OS_TYPE = 0x626C6B78;
const uint MAX_CACHE_SIZE = 16777216;
const uint SECTOR_SIZE = 512;
const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / SECTOR_SIZE;
}