lzip/lziprecover
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Merging upstream version 1.23.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-21 11:31:40 +01:00
parent e97534874c
commit 796a69d402
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
35 changed files with 1166 additions and 704 deletions
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39
lzip.h
View file

@ -1,5 +1,5 @@
/* Lziprecover - Data recovery tool for the lzip format
Copyright (C) 2009-2021 Antonio Diaz Diaz.
Copyright (C) 2009-2022 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
@ -15,6 +15,8 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
class State
{
int st;
@ -30,11 +32,7 @@ public:
static const int next[states] = { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 };
st = next[st];
}
bool is_char_set_char()
{
if( st < 7 ) { st -= ( st < 4 ) ? st : 3; return true; }
else { st -= ( st < 10 ) ? 3 : 6; return false; }
}
bool is_char_set_char() { set_char(); return st < 4; }
void set_match() { st = ( st < 7 ) ? 7 : 10; }
void set_rep() { st = ( st < 7 ) ? 8 : 11; }
void set_short_rep() { st = ( st < 7 ) ? 9 : 11; }
@ -172,6 +170,7 @@ public:
void update_byte( uint32_t & crc, const uint8_t byte ) const
{ crc = data[(crc^byte)&0xFF] ^ ( crc >> 8 ); }
// about as fast as it is possible without messing with endianness
void update_buf( uint32_t & crc, const uint8_t * const buffer,
const int size ) const
{
@ -319,23 +318,6 @@ struct Lzip_trailer
};
struct Bad_byte
{
enum Mode { literal, delta, flip };
long long pos;
Mode mode;
uint8_t value;
Bad_byte() : pos( -1 ), mode( literal ), value( 0 ) {}
uint8_t operator()( const uint8_t old_value ) const
{
if( mode == delta ) return old_value + value;
if( mode == flip ) return old_value ^ value;
return value;
}
};
#ifndef INT64_MAX
#define INT64_MAX 0x7FFFFFFFFFFFFFFFLL
#endif
@ -381,7 +363,7 @@ struct Member_list // members/gaps/tdata to be dumped/removed/stripped
std::vector< Block > range_vector, rrange_vector;
Member_list() : damaged( false ), tdata( false ), in( true ), rin( true ) {}
void parse( const char * p );
void parse_ml( const char * p, const char * const option_name );
bool range() const { return range_vector.size() || rrange_vector.size(); }
@ -451,7 +433,8 @@ int seek_read( const int fd, uint8_t * const buf, const int size,
const long long pos );
// defined in lunzcrash.cc
int lunzcrash( const std::string & input_filename );
int lunzcrash_bit( const char * const input_filename );
int lunzcrash_block( const char * const input_filename, const int sector_size );
int md5sum_files( const std::vector< std::string > & filenames );
// defined in main.cc
@ -470,14 +453,10 @@ bool open_outstream( const bool force, const bool protect,
const bool rw = false, const bool skipping = true );
bool file_exists( const std::string & filename );
void cleanup_and_fail( const int retval );
bool check_tty_out();
void set_signal_handler();
int close_outstream( const struct stat * const in_statsp );
std::string insert_fixed( std::string name );
void show_error( const char * const msg, const int errcode = 0,
const bool help = false );
void show_file_error( const char * const filename, const char * const msg,
const int errcode = 0 );
void internal_error( const char * const msg );
void show_2file_error( const char * const msg1, const char * const name1,
const char * const name2, const char * const msg2 );
class Range_decoder;