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Deflate: Fix deadly typo.

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asynts 2020-09-04 14:30:53 +02:00 • committed by Andreas Kling
parent b9a6c07bb7
commit e2e2e782d4
2 changed files with 2 additions and 2 deletions
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3
Libraries/LibCompress/Deflate.cpp
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@ -110,6 +110,7 @@ u32 DeflateDecompressor::CanonicalCode::read_symbol(InputBitStream& stream) cons
for (;;) { for (;;) {
code_bits = code_bits << 1 | stream.read_bits(1); code_bits = code_bits << 1 | stream.read_bits(1);
// FIXME: This seems really inefficent, this could be an index into an array instead.
size_t index; size_t index;
if (AK::binary_search(m_symbol_codes.span(), code_bits, AK::integral_compare<u32>, &index)) if (AK::binary_search(m_symbol_codes.span(), code_bits, AK::integral_compare<u32>, &index))
return m_symbol_values[index]; return m_symbol_values[index];
@ -405,7 +406,7 @@ void DeflateDecompressor::decode_codes(CanonicalCode& literal_code, Optional<Can
return; return;
} }
auto nrepeat = 3 + m_input_stream.read_bits(3); auto nrepeat = 3 + m_input_stream.read_bits(2);
for (size_t j = 0; j < nrepeat; ++j) for (size_t j = 0; j < nrepeat; ++j)
code_lengths.append(code_lengths.last()); code_lengths.append(code_lengths.last());
} }

1
Libraries/LibCompress/Gzip.cpp
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@ -97,7 +97,6 @@ size_t GzipDecompressor::read(Bytes bytes)
if (m_input_stream.eof()) if (m_input_stream.eof())
return 0; return 0;
// FIXME: This fails with the new changes?
BlockHeader header; BlockHeader header;
m_input_stream >> Bytes { &header, sizeof(header) }; m_input_stream >> Bytes { &header, sizeof(header) };