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LibCompress: Add debug logging for handling LZMA direct bits

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Tim Schumacher 2023-05-18 18:08:29 +02:00 committed by Jelle Raaijmakers
parent b4ad3f1b37
commit cb93186350
Notes: sideshowbarker 2024-07-17 03:03:44 +09:00 
Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/cb93186350
Pull-request: https://github.com/SerenityOS/serenity/pull/18920
Reviewed-by: https://github.com/gmta ✅
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibCompress/Lzma.cpp
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@ -284,6 +284,8 @@ ErrorOr<void> LzmaCompressor::normalize_range_encoder()
ErrorOr<u8> LzmaDecompressor::decode_direct_bit()
{
dbgln_if(LZMA_DEBUG, "Decoding direct bit {} with code = {:#x}, range = {:#x}", 1 - ((m_range_decoder_code - (m_range_decoder_range >> 1)) >> 31), m_range_decoder_code, m_range_decoder_range);
m_range_decoder_range >>= 1;
m_range_decoder_code -= m_range_decoder_range;
@ -301,6 +303,8 @@ ErrorOr<u8> LzmaDecompressor::decode_direct_bit()
ErrorOr<void> LzmaCompressor::encode_direct_bit(u8 value)
{
dbgln_if(LZMA_DEBUG, "Encoding direct bit {} with code = {:#x}, range = {:#x}", value, m_range_encoder_code, m_range_encoder_range);
m_range_encoder_range >>= 1;
if (value != 0)