Files
Aaru/Aaru.Images/SuperCardPro/Helpers.cs

61 lines
2.1 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Helpers.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains helpers for SuperCardPro flux images.
//
// --[ 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 © 2011-2021 Natalia Portillo
// ****************************************************************************/
using System;
using System.IO;
using System.Text;
namespace Aaru.DiscImages
{
public sealed partial class SuperCardPro
{
static string ReadPStringUtf8(Stream stream, uint position)
{
if(position == 0)
return null;
stream.Position = position;
byte[] lenB = new byte[2];
stream.Read(lenB, 0, 2);
ushort len = BitConverter.ToUInt16(lenB, 0);
if(len == 0 ||
len + stream.Position >= stream.Length)
return null;
byte[] str = new byte[len];
stream.Read(str, 0, len);
return Encoding.UTF8.GetString(str);
}
}
}