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authorDaniel Baumann <daniel.baumann@progress-linux.org>2017-05-07 15:51:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2017-05-07 15:51:58 +0000
commitde466aac7b9c2010f3393470cc4825c2dfb0cc54 (patch)
tree4e2cbe6852242de4834c67e23df37ea36e548b9f /lzip.h
parentReleasing debian version 1.18-5. (diff)
downloadlzip-de466aac7b9c2010f3393470cc4825c2dfb0cc54.tar.xz
lzip-de466aac7b9c2010f3393470cc4825c2dfb0cc54.zip
Merging upstream version 1.19.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lzip.h')
-rw-r--r--lzip.h32
1 files changed, 27 insertions, 5 deletions
diff --git a/lzip.h b/lzip.h
index e7afe3c..c5915b1 100644
--- a/lzip.h
+++ b/lzip.h
@@ -1,5 +1,5 @@
/* Lzip - LZMA lossless data compressor
- Copyright (C) 2008-2016 Antonio Diaz Diaz.
+ Copyright (C) 2008-2017 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
@@ -30,8 +30,12 @@ public:
static const int next[states] = { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 };
st = next[st];
}
- void set_char1() { st -= ( st < 4 ) ? st : 3; } // for st < 7
- void set_char2() { st -= ( st < 10 ) ? 3 : 6; } // for st >= 7
+ bool is_char_set_char()
+ {
+ if( st < 7 ) { st -= ( st < 4 ) ? st : 3; return true; }
+ else { st -= ( st < 10 ) ? 3 : 6; return false; }
+ }
+ void set_char_rep() { st = 8; }
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; }
@@ -43,6 +47,7 @@ enum {
min_dictionary_size = 1 << min_dictionary_bits, // >= modeled_distances
max_dictionary_bits = 29,
max_dictionary_size = 1 << max_dictionary_bits,
+ min_member_size = 36,
literal_context_bits = 3,
literal_pos_state_bits = 0, // not used
pos_state_bits = 2,
@@ -168,8 +173,10 @@ public:
void update_buf( uint32_t & crc, const uint8_t * const buffer,
const int size ) const
{
+ uint32_t c = crc;
for( int i = 0; i < size; ++i )
- crc = data[(crc^buffer[i])&0xFF] ^ ( crc >> 8 );
+ c = data[(c^buffer[i])&0xFF] ^ ( c >> 8 );
+ crc = c;
}
};
@@ -227,7 +234,7 @@ struct File_header
{
const unsigned base_size = 1 << data[5];
const unsigned fraction = base_size / 16;
- for( int i = 7; i >= 1; --i )
+ for( unsigned i = 7; i >= 1; --i )
if( base_size - ( i * fraction ) >= sz )
{ data[5] |= ( i << 5 ); break; }
}
@@ -283,14 +290,29 @@ struct Error
};
+const char * const bad_magic_msg = "Bad magic number (file not in lzip format).";
+const char * const bad_dict_msg = "Invalid dictionary size in member header.";
+const char * const trailing_msg = "Trailing data not allowed.";
+
// defined in decoder.cc
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 list.cc
+int list_files( const std::vector< std::string > & filenames,
+ const bool ignore_trailing );
+
// defined in main.cc
extern int verbosity;
+struct stat;
+const char * bad_version( const unsigned version );
+const char * format_ds( const unsigned dictionary_size );
+int open_instream( const char * const name, struct stat * const in_statsp,
+ const bool no_ofile, const bool reg_only = false );
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 );
class Matchfinder_base;
void show_progress( const unsigned long long partial_size = 0,