60 lines
2.5 KiB
C#
60 lines
2.5 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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using System;
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using DiscUtils.Streams;
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namespace DiscUtils.Iso9660
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{
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internal class BootInitialEntry
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{
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public byte BootIndicator;
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public BootDeviceEmulation BootMediaType;
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public uint ImageStart;
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public ushort LoadSegment;
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public ushort SectorCount;
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public byte SystemType;
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public BootInitialEntry() {}
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public BootInitialEntry(byte[] buffer, int offset)
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{
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BootIndicator = buffer[offset + 0x00];
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BootMediaType = (BootDeviceEmulation)buffer[offset + 0x01];
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LoadSegment = EndianUtilities.ToUInt16LittleEndian(buffer, offset + 0x02);
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SystemType = buffer[offset + 0x04];
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SectorCount = EndianUtilities.ToUInt16LittleEndian(buffer, offset + 0x06);
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ImageStart = EndianUtilities.ToUInt32LittleEndian(buffer, offset + 0x08);
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}
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internal void WriteTo(byte[] buffer, int offset)
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{
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Array.Clear(buffer, offset, 0x20);
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buffer[offset + 0x00] = BootIndicator;
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buffer[offset + 0x01] = (byte)BootMediaType;
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EndianUtilities.WriteBytesLittleEndian(LoadSegment, buffer, offset + 0x02);
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buffer[offset + 0x04] = SystemType;
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EndianUtilities.WriteBytesLittleEndian(SectorCount, buffer, offset + 0x06);
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EndianUtilities.WriteBytesLittleEndian(ImageStart, buffer, offset + 0x08);
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}
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}
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} |