diff options
Diffstat (limited to 'lzip.h')
| -rw-r--r-- | lzip.h | 30 |
1 files changed, 13 insertions, 17 deletions
@@ -1,5 +1,5 @@ /* Lziprecover - Data recovery tool for lzip files - Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz. + Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 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 @@ -40,7 +40,7 @@ public: enum { min_dictionary_bits = 12, - min_dictionary_size = 1 << min_dictionary_bits, + min_dictionary_size = 1 << min_dictionary_bits, // >= modeled_distances max_dictionary_bits = 29, max_dictionary_size = 1 << max_dictionary_bits, min_member_size = 36, @@ -49,6 +49,7 @@ enum { pos_states = 1 << pos_state_bits, pos_state_mask = pos_states - 1, + len_states = 4, dis_slot_bits = 6, start_dis_model = 4, end_dis_model = 14, @@ -66,12 +67,10 @@ enum { min_match_len = 2, // must be 2 max_match_len = min_match_len + max_len_symbols - 1, // 273 - min_match_len_limit = 5, + min_match_len_limit = 5 }; - dis_states = 4 }; - -inline int get_dis_state( const int len ) - { return std::min( len - min_match_len, dis_states - 1 ); } +inline int get_len_state( const int len ) + { return std::min( len - min_match_len, len_states - 1 ); } inline int get_lit_state( const uint8_t prev_byte ) { return ( prev_byte >> ( 8 - literal_context_bits ) ); } @@ -114,7 +113,7 @@ public: for( unsigned i = 0; i < filenames.size(); ++i ) { const std::string & s = filenames[i]; - const unsigned len = ( ( s == "-" ) ? stdin_name_len : s.size() ); + const unsigned len = ( s == "-" ) ? stdin_name_len : s.size(); if( len > longest_name ) longest_name = len; } if( longest_name == 0 ) longest_name = stdin_name_len; @@ -124,7 +123,7 @@ public: : stdin_name( "(stdin)" ), verbosity_( v ), first_post( false ) { const unsigned stdin_name_len = std::strlen( stdin_name ); - longest_name = ( ( filename == "-" ) ? stdin_name_len : filename.size() ); + longest_name = ( filename == "-" ) ? stdin_name_len : filename.size(); if( longest_name == 0 ) longest_name = stdin_name_len; set_name( filename ); } @@ -253,9 +252,7 @@ struct File_trailer } void data_size( unsigned long long sz ) - { - for( int i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } - } + { for( int i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } } unsigned long long member_size() const { @@ -265,9 +262,7 @@ struct File_trailer } void member_size( unsigned long long sz ) - { - for( int i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } - } + { for( int i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } } }; @@ -288,12 +283,14 @@ int readblock( const int fd, uint8_t * const buf, const int size ); int writeblock( const int fd, const uint8_t * const buf, const int size ); // defined in main.cc -int open_instream( const std::string & name, struct stat * const in_statsp, +int open_instream( const char * const name, struct stat * const in_statsp, const bool no_ofile, const bool reg_only = false ); int open_outstream_rw( const std::string & output_filename, const bool force ); void show_header( const File_header & header ); void show_error( const char * const msg, const int errcode = 0, const bool help = false ); +void show_error2( const char * const msg1, const char * const name, + const char * const msg2 ); void internal_error( const char * const msg ); // defined in merge.cc @@ -303,7 +300,6 @@ bool copy_file( const int infd, const int outfd, const long long max_size = -1 ); bool try_decompress_member( const int fd, const unsigned long long msize, long long * failure_posp = 0 ); -bool verify_header( const File_header & header, const int verbosity ); int merge_files( const std::vector< std::string > & filenames, const std::string & output_filename, const int verbosity, const bool force ); |