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69 lines
2.7 KiB
C#
69 lines
2.7 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Consts.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : UNIX System V 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 © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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// ReSharper disable NotAccessedField.Local
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using System.Diagnostics.CodeAnalysis;
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namespace Aaru.Filesystems;
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// Information from the Linux kernel
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/// <inheritdoc />
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/// <summary>Implements detection of the UNIX System V filesystem</summary>
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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[SuppressMessage("ReSharper", "UnusedMember.Local")]
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[SuppressMessage("ReSharper", "UnusedType.Local")]
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public sealed partial class SysVfs
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{
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const uint XENIX_MAGIC = 0x002B5544;
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const uint XENIX_CIGAM = 0x44552B00;
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const uint SYSV_MAGIC = 0xFD187E20;
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const uint SYSV_CIGAM = 0x207E18FD;
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// Rest have no magic.
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// Per a Linux kernel, Coherent fs has following:
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const string COH_FNAME = "noname";
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const string COH_FPACK = "nopack";
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const string COH_XXXXX = "xxxxx";
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const string COH_XXXXS = "xxxxx ";
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const string COH_XXXXN = "xxxxx\n";
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// SCO AFS
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const ushort SCO_NFREE = 0xFFFF;
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// UNIX 7th Edition has nothing to detect it, so check for a valid filesystem is a must :(
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const ushort V7_NICINOD = 100;
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const ushort V7_NICFREE = 100;
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const uint V7_MAXSIZE = 0x00FFFFFF;
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const string FS_TYPE_XENIX = "xenixfs";
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const string FS_TYPE_SVR4 = "sysv_r4";
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const string FS_TYPE_SVR2 = "sysv_r2";
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const string FS_TYPE_COHERENT = "coherent";
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const string FS_TYPE_UNIX7 = "unix7fs";
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} |