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68 lines
2.3 KiB
C#
68 lines
2.3 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Helpers.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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// Contains helpers for RS-IDE 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 © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Text;
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namespace Aaru.Images;
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public sealed partial class RsIde
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{
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static byte[] ScrambleAtaString(string text, int length)
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{
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byte[] inbuf = Encoding.ASCII.GetBytes(text);
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if(inbuf.Length % 2 != 0)
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{
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var tmpbuf = new byte[inbuf.Length + 1];
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Array.Copy(inbuf, 0, tmpbuf, 0, inbuf.Length);
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tmpbuf[^1] = 0x20;
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inbuf = tmpbuf;
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}
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var outbuf = new byte[inbuf.Length];
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for(var i = 0; i < length; i += 2)
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{
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outbuf[i] = inbuf[i + 1];
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outbuf[i + 1] = inbuf[i];
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}
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var retBuf = new byte[length];
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for(var i = 0; i < length; i++) retBuf[i] = 0x20;
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Array.Copy(outbuf, 0, retBuf, 0, outbuf.Length >= length ? length : outbuf.Length);
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return retBuf;
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}
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} |