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77 lines
2.5 KiB
C#
77 lines
2.5 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Xattrs.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Zoo 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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using System.Collections.Generic;
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using Aaru.CommonTypes.Enums;
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namespace Aaru.Archives;
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public sealed partial class Zoo
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{
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#region IArchive Members
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/// <inheritdoc />
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public ErrorNumber ListXAttr(int entryNumber, out List<string> xattrs)
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{
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xattrs = null;
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if(!Opened) return ErrorNumber.NotOpened;
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if(entryNumber < 0 || entryNumber >= _files.Count) return ErrorNumber.OutOfRange;
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Direntry entry = _files[entryNumber];
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xattrs = [];
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if(entry.cmt_size > 0) xattrs.Add("comment");
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return ErrorNumber.NoError;
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}
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/// <inheritdoc />
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public ErrorNumber GetXattr(int entryNumber, string xattr, ref byte[] buffer)
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{
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buffer = null;
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if(!Opened) return ErrorNumber.NotOpened;
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if(entryNumber < 0 || entryNumber >= _files.Count) return ErrorNumber.OutOfRange;
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Direntry entry = _files[entryNumber];
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if(xattr != "comment" || entry.cmt_size <= 0) return ErrorNumber.NoSuchExtendedAttribute;
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_stream.Position = entry.comment;
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buffer = new byte[entry.cmt_size];
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_stream.ReadExactly(buffer, 0, buffer.Length);
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return ErrorNumber.NoError;
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}
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#endregion
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} |