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fix ValueTask struct copying

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Adam Hathcock
2026-01-26 18:10:59 +00:00
parent 27fe2d807e
commit 335db1eb9e
2 changed files with 67 additions and 7 deletions
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19
src/SharpCompress/Compressors/LZMA/RangeCoder/RangeCoderBit.Async.cs
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@@ -7,7 +7,7 @@ namespace SharpCompress.Compressors.LZMA.RangeCoder;
internal partial struct BitEncoder
{
public async ValueTask EncodeAsync(
public ValueTask EncodeAsync(
Encoder encoder,
uint symbol,
CancellationToken cancellationToken = default
@@ -28,14 +28,15 @@ internal partial struct BitEncoder
if (encoder._range < Encoder.K_TOP_VALUE)
{
encoder._range <<= 8;
await encoder.ShiftLowAsync(cancellationToken).ConfigureAwait(false);
return encoder.ShiftLowAsync(cancellationToken);
}
return default;
}
}
internal partial struct BitDecoder
{
public async ValueTask<uint> DecodeAsync(
public ValueTask<uint> DecodeAsync(
Decoder decoder,
CancellationToken cancellationToken = default
)
@@ -45,13 +46,17 @@ internal partial struct BitDecoder
{
decoder._range = newBound;
_prob += (K_BIT_MODEL_TOTAL - _prob) >> K_NUM_MOVE_BITS;
await decoder.Normalize2Async(cancellationToken).ConfigureAwait(false);
return 0;
return DecodeAsyncHelper(decoder.Normalize2Async(cancellationToken), 0);
}
decoder._range -= newBound;
decoder._code -= newBound;
_prob -= (_prob) >> K_NUM_MOVE_BITS;
await decoder.Normalize2Async(cancellationToken).ConfigureAwait(false);
return 1;
return DecodeAsyncHelper(decoder.Normalize2Async(cancellationToken), 1);
}
private static async ValueTask<uint> DecodeAsyncHelper(ValueTask normalizeTask, uint result)
{
await normalizeTask.ConfigureAwait(false);
return result;
}
}