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Merging upstream version 1.12.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-20 21:31:06 +01:00
parent 4f55f2a35b
commit e62d82c53f
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
40 changed files with 3224 additions and 1857 deletions
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42
fast_encoder.h
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@ -1,20 +1,20 @@
/* Lzlib - Compression library for the lzip format
Copyright (C) 2009-2019 Antonio Diaz Diaz.
/* Lzlib - Compression library for the lzip format
Copyright (C) 2009-2021 Antonio Diaz Diaz.
This library is free software. Redistribution and use in source and
binary forms, with or without modification, are permitted provided
that the following conditions are met:
This library is free software. Redistribution and use in source and
binary forms, with or without modification, are permitted provided
that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the following disclaimer in the
documentation and/or other materials provided with the distribution.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
struct FLZ_encoder
@ -31,21 +31,19 @@ static inline void FLZe_reset_key4( struct FLZ_encoder * const fe )
fe->key4 = ( fe->key4 << 4 ) ^ fe->eb.mb.buffer[i];
}
int FLZe_longest_match_len( struct FLZ_encoder * const fe, int * const distance );
static inline bool FLZe_update_and_move( struct FLZ_encoder * const fe, int n )
{
struct Matchfinder_base * const mb = &fe->eb.mb;
while( --n >= 0 )
{
if( Mb_available_bytes( &fe->eb.mb ) >= 4 )
if( Mb_available_bytes( mb ) >= 4 )
{
fe->key4 = ( ( fe->key4 << 4 ) ^ fe->eb.mb.buffer[fe->eb.mb.pos+3] ) &
fe->eb.mb.key4_mask;
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->key4 = ( ( fe->key4 << 4 ) ^ mb->buffer[mb->pos+3] ) & mb->key4_mask;
mb->pos_array[mb->cyclic_pos] = mb->prev_positions[fe->key4];
mb->prev_positions[fe->key4] = mb->pos + 1;
}
else fe->eb.mb.pos_array[fe->eb.mb.cyclic_pos] = 0;
if( !Mb_move_pos( &fe->eb.mb ) ) return false;
else mb->pos_array[mb->cyclic_pos] = 0;
if( !Mb_move_pos( mb ) ) return false;
}
return true;
}