lzip/lunzip
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Adding upstream version 1.8.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 22:21:37 +01:00
parent ef95d5d685
commit 3c1ff97ddc
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
14 changed files with 315 additions and 167 deletions
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19
lzip.h
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@ -1,5 +1,5 @@
/* Lunzip - Decompressor for the lzip format
Copyright (C) 2010-2015 Antonio Diaz Diaz.
Copyright (C) 2010-2016 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
@ -50,6 +50,7 @@ enum {
max_dictionary_bits = 29,
max_dictionary_size = 1 << max_dictionary_bits,
literal_context_bits = 3,
literal_pos_state_bits = 0, /* not used */
pos_state_bits = 2,
pos_states = 1 << pos_state_bits,
pos_state_mask = pos_states - 1,
@ -90,8 +91,8 @@ typedef int Bit_model;
static inline void Bm_init( Bit_model * const probability )
{ *probability = bit_model_total / 2; }
static inline void Bm_array_init( Bit_model * const p, const int size )
{ int i = 0; while( i < size ) p[i++] = bit_model_total / 2; }
static inline void Bm_array_init( Bit_model bm[], const int size )
{ int i; for( i = 0; i < size; ++i ) Bm_init( &bm[i] ); }
struct Len_model
{
@ -121,7 +122,8 @@ struct Pretty_print
};
static inline void Pp_init( struct Pretty_print * const pp,
const char * const filenames[], const int num_filenames )
const char * const filenames[],
const int num_filenames, const int verbosity )
{
unsigned stdin_name_len;
int i;
@ -131,6 +133,7 @@ static inline void Pp_init( struct Pretty_print * const pp,
pp->first_post = false;
stdin_name_len = strlen( pp->stdin_name );
if( verbosity <= 0 ) return;
for( i = 0; i < num_filenames; ++i )
{
const char * const s = filenames[i];
@ -191,6 +194,14 @@ enum { Fh_size = 6 };
static inline bool Fh_verify_magic( const File_header data )
{ return ( memcmp( data, magic_string, 4 ) == 0 ); }
/* detect truncated header */
static inline bool Fh_verify_prefix( const File_header data, const int size )
{
int i; for( i = 0; i < size && i < 4; ++i )
if( data[i] != magic_string[i] ) return false;
return ( size > 0 );
}
static inline uint8_t Fh_version( const File_header data )
{ return data[4]; }