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AK+LibCompress: Break when seekback copying to a full CircularBuffer

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Otherwise, we just end up infinitely looping while waiting for more
space in the destination.
This commit is contained in:
Tim Schumacher 2023-04-04 18:43:24 +02:00 • committed by Tim Flynn
parent 767fb01a8c
commit b88c58b94c
2 changed files with 7 additions and 1 deletions
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5
Userland/Libraries/LibCompress/Deflate.cpp
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@ -208,7 +208,10 @@ ErrorOr<bool> DeflateDecompressor::CompressedBlock::try_read_more()
m_decompressor.m_output_buffer.write({ &byte, sizeof(byte) });
}
} else {
TRY(m_decompressor.m_output_buffer.copy_from_seekback(distance, length));
auto copied_length = TRY(m_decompressor.m_output_buffer.copy_from_seekback(distance, length));
// TODO: What should we do if the output buffer is full?
VERIFY(copied_length == length);
}
return true;