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71 lines
3.1 KiB
C#
71 lines
3.1 KiB
C#
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Identify.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Identifies Anex86 disk images.
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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.IO;
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using System.Runtime.InteropServices;
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using DiscImageChef.CommonTypes.Interfaces;
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using DiscImageChef.Console;
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namespace DiscImageChef.DiscImages
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{
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public partial class Anex86
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{
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public bool Identify(IFilter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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stream.Seek(0, SeekOrigin.Begin);
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fdihdr = new Anex86Header();
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if(stream.Length < Marshal.SizeOf(fdihdr)) return false;
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byte[] hdrB = new byte[Marshal.SizeOf(fdihdr)];
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stream.Read(hdrB, 0, hdrB.Length);
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GCHandle handle = GCHandle.Alloc(hdrB, GCHandleType.Pinned);
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fdihdr = (Anex86Header)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(Anex86Header));
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handle.Free();
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.unknown = {0}", fdihdr.unknown);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.hddtype = {0}", fdihdr.hddtype);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.hdrSize = {0}", fdihdr.hdrSize);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.dskSize = {0}", fdihdr.dskSize);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.bps = {0}", fdihdr.bps);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.spt = {0}", fdihdr.spt);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.heads = {0}", fdihdr.heads);
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DicConsole.DebugWriteLine("Anex86 plugin", "fdihdr.cylinders = {0}", fdihdr.cylinders);
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return stream.Length == fdihdr.hdrSize + fdihdr.dskSize &&
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fdihdr.dskSize == fdihdr.bps * fdihdr.spt * fdihdr.heads * fdihdr.cylinders;
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}
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}
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}
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