lzip/lziprecover
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Adding upstream version 1.18~pre2.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-21 11:25:51 +01:00
parent cf6c2d1d59
commit ed1b0d872f
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
18 changed files with 427 additions and 220 deletions
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24
lzip.h
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@ -40,7 +40,7 @@ public:
enum {
min_dictionary_bits = 12,
min_dictionary_size = 1 << min_dictionary_bits, /* >= modeled_distances */
min_dictionary_size = 1 << min_dictionary_bits, // >= modeled_distances
max_dictionary_bits = 29,
max_dictionary_size = 1 << max_dictionary_bits,
min_member_size = 36,
@ -53,7 +53,7 @@ enum {
dis_slot_bits = 6,
start_dis_model = 4,
end_dis_model = 14,
modeled_distances = 1 << (end_dis_model / 2), /* 128 */
modeled_distances = 1 << (end_dis_model / 2), // 128
dis_align_bits = 4,
dis_align_size = 1 << dis_align_bits,
@ -65,8 +65,8 @@ enum {
len_high_symbols = 1 << len_high_bits,
max_len_symbols = len_low_symbols + len_mid_symbols + len_high_symbols,
min_match_len = 2, /* must be 2 */
max_match_len = min_match_len + max_len_symbols - 1, /* 273 */
min_match_len = 2, // must be 2
max_match_len = min_match_len + max_len_symbols - 1, // 273
min_match_len_limit = 5 };
inline int get_len_state( const int len )
@ -109,6 +109,7 @@ public:
: stdin_name( "(stdin)" ), longest_name( 0 ), verbosity_( v ),
first_post( false )
{
if( verbosity_ <= 0 ) return;
const unsigned stdin_name_len = std::strlen( stdin_name );
for( unsigned i = 0; i < filenames.size(); ++i )
{
@ -186,9 +187,9 @@ const uint8_t magic_string[4] = { 0x4C, 0x5A, 0x49, 0x50 }; // "LZIP"
struct File_header
{
uint8_t data[6]; /* 0-3 magic bytes */
/* 4 version */
/* 5 coded_dict_size */
uint8_t data[6]; // 0-3 magic bytes
// 4 version
// 5 coded_dict_size
enum { size = 6 };
void set_magic() { std::memcpy( data, magic_string, 4 ); data[4] = 1; }
@ -228,9 +229,9 @@ struct File_header
struct File_trailer
{
uint8_t data[20]; /* 0-3 CRC32 of the uncompressed data */
/* 4-11 size of the uncompressed data */
/* 12-19 member size including header and trailer */
uint8_t data[20]; // 0-3 CRC32 of the uncompressed data
// 4-11 size of the uncompressed data
// 12-19 member size including header and trailer
enum { size = 20 };
@ -291,7 +292,7 @@ int open_instream( const char * const name, struct stat * const in_statsp,
const bool no_ofile, const bool reg_only = false );
bool file_exists( const std::string & filename );
int open_outstream_rw( const std::string & output_filename, const bool force );
void show_header( const unsigned dictionary_size );
void show_header( const unsigned dictionary_size, const int vlevel = 3 );
void show_error( const char * const msg, const int errcode = 0,
const bool help = false );
void internal_error( const char * const msg );
@ -328,6 +329,7 @@ int debug_show_packets( const std::string & input_filename,
const uint8_t bad_value );
// defined in split.cc
bool verify_header( const File_header & header, const Pretty_print & pp );
int split_file( const std::string & input_filename,
const std::string & default_output_filename,
const int verbosity, const bool force );