lzip/clzip
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Merging upstream version 1.9.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 20:44:01 +01:00
parent 6b3170baaa
commit 552be9a8b4
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
26 changed files with 3258 additions and 759 deletions
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8
fast_encoder.h
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@ -1,5 +1,5 @@
/* Clzip - LZMA lossless data compressor
Copyright (C) 2010-2016 Antonio Diaz Diaz.
Copyright (C) 2010-2017 Antonio Diaz Diaz.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -18,7 +18,7 @@
struct FLZ_encoder
{
struct LZ_encoder_base eb;
int key4; /* key made from latest 4 bytes */
unsigned key4; /* key made from latest 4 bytes */
};
static inline void FLZe_reset_key4( struct FLZ_encoder * const fe )
@ -37,12 +37,10 @@ static inline void FLZe_update_and_move( struct FLZ_encoder * const fe, int n )
{
if( Mb_available_bytes( &fe->eb.mb ) >= 4 )
{
int newpos;
fe->key4 = ( ( fe->key4 << 4 ) ^ fe->eb.mb.buffer[fe->eb.mb.pos+3] ) &
fe->eb.mb.key4_mask;
newpos = fe->eb.mb.prev_positions[fe->key4];
fe->eb.mb.pos_array[fe->eb.mb.cyclic_pos] = fe->eb.mb.prev_positions[fe->key4];
fe->eb.mb.prev_positions[fe->key4] = fe->eb.mb.pos + 1;
fe->eb.mb.pos_array[fe->eb.mb.cyclic_pos] = newpos;
}
Mb_move_pos( &fe->eb.mb );
}