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[OffsetStream] Do not raise an exception if trying to read past stream end, just return partial data.

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This commit is contained in:
Natalia Portillo
2023-10-08 16:48:56 +01:00
parent 0a5ccd5a9a
commit 934b86c79f
1 changed files with 2 additions and 2 deletions
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4
IO/OffsetStream.cs
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@@ -595,7 +595,7 @@ public sealed class OffsetStream : Stream
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state) public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{ {
if(_baseStream.Position + count > _streamEnd) if(_baseStream.Position + count > _streamEnd)
throw new IOException(Localization.Cannot_read_past_stream_end); count = (int)(_streamEnd - _baseStream.Position);
return _baseStream.BeginRead(buffer, offset, count, callback, state); return _baseStream.BeginRead(buffer, offset, count, callback, state);
} }
@@ -637,7 +637,7 @@ public sealed class OffsetStream : Stream
public override int Read(byte[] buffer, int offset, int count) public override int Read(byte[] buffer, int offset, int count)
{ {
if(_baseStream.Position + count > _streamEnd + 1) if(_baseStream.Position + count > _streamEnd + 1)
throw new IOException(Localization.Cannot_read_past_stream_end); count = (int)(_streamEnd - _baseStream.Position);
return _baseStream.EnsureRead(buffer, offset, count); return _baseStream.EnsureRead(buffer, offset, count);
} }