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LibCompress: Use LZMA context from preexisting dictionary

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Tim Schumacher 2023-03-29 18:15:44 +02:00 • committed by Andreas Kling
parent c020ee8bfa
commit fe761a4e9b
2 changed files with 59 additions and 1 deletions
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2
Userland/Libraries/LibCompress/Lzma.cpp
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@ -295,7 +295,7 @@ ErrorOr<u16> LzmaDecompressor::decode_symbol_using_reverse_bit_tree(size_t bit_c
ErrorOr<void> LzmaDecompressor::decode_literal_to_output_buffer()
{
u8 previous_byte = 0;
if (m_total_decoded_bytes > 0) {
if (m_dictionary->seekback_limit() > 0) {
auto read_bytes = MUST(m_dictionary->read_with_seekback({ &previous_byte, sizeof(previous_byte) }, 1));
VERIFY(read_bytes.size() == sizeof(previous_byte));
}