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Use Stream extension to ensure read operations return the requested number of bytes (unless EOF arrives first).

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This commit is contained in:
Natalia Portillo
2022-11-14 09:43:16 +00:00
parent f90cc6593f
commit 0eb589d785
178 changed files with 862 additions and 780 deletions
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9
Aaru.Filters/LZip.cs
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@@ -36,6 +36,7 @@ using System;
using System.IO;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.Helpers;
using SharpCompress.Compressors;
using SharpCompress.Compressors.LZMA;
@@ -86,7 +87,7 @@ public sealed class LZip : IFilter
var buffer = new byte[5];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(buffer, 0, 5);
stream.EnsureRead(buffer, 0, 5);
stream.Seek(0, SeekOrigin.Begin);
return buffer[0] == 0x4C && buffer[1] == 0x5A && buffer[2] == 0x49 && buffer[3] == 0x50 && buffer[4] == 0x01;
@@ -102,7 +103,7 @@ public sealed class LZip : IFilter
var buffer = new byte[5];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(buffer, 0, 5);
stream.EnsureRead(buffer, 0, 5);
stream.Seek(0, SeekOrigin.Begin);
return buffer[0] == 0x4C && buffer[1] == 0x5A && buffer[2] == 0x49 && buffer[3] == 0x50 && buffer[4] == 0x01;
@@ -131,7 +132,7 @@ public sealed class LZip : IFilter
LastWriteTime = CreationTime;
var tmp = new byte[8];
_dataStream.Seek(-16, SeekOrigin.End);
_dataStream.Read(tmp, 0, 8);
_dataStream.EnsureRead(tmp, 0, 8);
DataForkLength = BitConverter.ToInt64(tmp, 0);
_dataStream.Seek(0, SeekOrigin.Begin);
_innerStream = new ForcedSeekStream<LZipStream>(DataForkLength, _dataStream, CompressionMode.Decompress);
@@ -150,7 +151,7 @@ public sealed class LZip : IFilter
LastWriteTime = fi.LastWriteTimeUtc;
var tmp = new byte[8];
_dataStream.Seek(-16, SeekOrigin.End);
_dataStream.Read(tmp, 0, 8);
_dataStream.EnsureRead(tmp, 0, 8);
DataForkLength = BitConverter.ToInt64(tmp, 0);
_dataStream.Seek(0, SeekOrigin.Begin);
_innerStream = new ForcedSeekStream<LZipStream>(DataForkLength, _dataStream, CompressionMode.Decompress);