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Use uncompressed size from footer.

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This commit is contained in:
Natalia Portillo
2017-06-07 20:03:10 +01:00
parent a81912fd60
commit 8cd80c89a3
1 changed files with 14 additions and 7 deletions
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21
DiscImageChef.Filters/LZip.cs
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@@ -32,7 +32,6 @@
using System;
using System.IO;
using DiscImageChef.Console;
using SharpCompress.Compressors;
using SharpCompress.Compressors.LZMA;
@@ -127,8 +126,8 @@ namespace DiscImageChef.Filters
basePath = null;
creationTime = DateTime.UtcNow;
lastWriteTime = creationTime;
innerStream = new ForcedSeekStream<LZipStream>(dataStream, CompressionMode.Decompress, false);
decompressedSize = innerStream.Length;
decompressedSize = BitConverter.ToInt64(buffer, buffer.Length - 16);
innerStream = new ForcedSeekStream<LZipStream>(decompressedSize, dataStream, CompressionMode.Decompress, false);
opened = true;
}
@@ -138,8 +137,12 @@ namespace DiscImageChef.Filters
basePath = null;
creationTime = DateTime.UtcNow;
lastWriteTime = creationTime;
innerStream = new ForcedSeekStream<LZipStream>(dataStream, CompressionMode.Decompress, false);
decompressedSize = innerStream.Length;
byte[] tmp = new byte[8];
dataStream.Seek(-16 ,SeekOrigin.End);
dataStream.Read(tmp, 0, 8);
decompressedSize = BitConverter.ToInt64(tmp, 0);
dataStream.Seek(0, SeekOrigin.Begin);
innerStream = new ForcedSeekStream<LZipStream>(decompressedSize, dataStream, CompressionMode.Decompress, false);
opened = true;
}
@@ -154,8 +157,12 @@ namespace DiscImageChef.Filters
FileInfo fi = new FileInfo(path);
creationTime = fi.CreationTimeUtc;
lastWriteTime = fi.LastWriteTimeUtc;
innerStream = new ForcedSeekStream<LZipStream>(dataStream, CompressionMode.Decompress, false);
decompressedSize = innerStream.Length;
byte[] tmp = new byte[8];
dataStream.Seek(-16, SeekOrigin.End);
dataStream.Read(tmp, 0, 8);
decompressedSize = BitConverter.ToInt64(tmp, 0);
dataStream.Seek(0, SeekOrigin.Begin);
innerStream = new ForcedSeekStream<LZipStream>(decompressedSize, dataStream, CompressionMode.Decompress, false);
opened = true;
}