lzip/tarlz
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Adding upstream version 0.19.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 21:15:31 +01:00
parent 739f200278
commit 7bf1f2e322
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
28 changed files with 926 additions and 616 deletions
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28
extended.cc
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@ -1,5 +1,5 @@
/* Tarlz - Archiver with multimember lzip compression
Copyright (C) 2013-2020 Antonio Diaz Diaz.
Copyright (C) 2013-2021 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
@ -24,16 +24,17 @@
#include <cstring>
#include <string>
#include <vector>
#include <pthread.h>
#include <pthread.h> // for tarlz.h
#include <stdint.h>
#include "tarlz.h"
namespace {
const CRC32 crc32c( true );
namespace {
unsigned decimal_digits( unsigned long long value )
{
unsigned digits = 1;
@ -132,6 +133,7 @@ bool print_record( char * const buf, const int size,
} // end namespace
std::vector< std::string > Extended::unknown_keywords;
const std::string Extended::crc_record( "22 GNU.crc32=00000000\n" );
void Extended::calculate_sizes() const
@ -147,6 +149,22 @@ void Extended::calculate_sizes() const
}
// print a diagnostic for each unknown keyword once per keyword
void Extended::unknown_keyword( const char * const buf,
const unsigned long long size ) const
{
unsigned long long eq_pos = 0; // position of '=' in buf
while( eq_pos < size && buf[eq_pos] != '=' ) ++eq_pos;
const std::string keyword( buf, eq_pos );
for( unsigned i = 0; i < unknown_keywords.size(); ++i )
if( keyword == unknown_keywords[i] ) return;
unknown_keywords.push_back( keyword );
std::string msg( "Ignoring unknown extended header keyword '" );
msg += keyword; msg += '\'';
show_error( msg.c_str() );
}
// Returns the extended block size, or -1 if error.
long long Extended::format_block( Resizable_buffer & rbuf ) const
{
@ -239,6 +257,8 @@ bool Extended::parse( const char * const buf, const unsigned long long edsize,
return false;
}
}
else if( ( rest < 8 || std::memcmp( tail, "comment=", 8 ) != 0 ) &&
verbosity >= 1 ) unknown_keyword( tail, rest );
pos += rsize;
}
return true;