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Merging upstream version 1.10.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 22:24:52 +01:00
parent 7ed3b78bc0
commit 5aac003d1d
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
16 changed files with 352 additions and 181 deletions
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70
decoder.c
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@ -1,5 +1,5 @@
/* Lunzip - Decompressor for the lzip format
Copyright (C) 2010-2017 Antonio Diaz Diaz.
Copyright (C) 2010-2018 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
@ -32,24 +32,6 @@
CRC32 crc32;
void Pp_show_msg( struct Pretty_print * const pp, const char * const msg )
{
if( verbosity >= 0 )
{
if( pp->first_post )
{
unsigned i;
pp->first_post = false;
fprintf( stderr, " %s: ", pp->name );
for( i = strlen( pp->name ); i < pp->longest_name; ++i )
fputc( ' ', stderr );
if( !msg ) fflush( stderr );
}
if( msg ) fprintf( stderr, "%s\n", msg );
}
}
/* Returns the number of bytes really read.
If (returned value < size) and (errno == 0), means EOF was reached.
*/
@ -106,6 +88,7 @@ bool Rd_read_block( struct Range_decoder * const rdec )
rdec->at_stream_end = ( rdec->stream_pos < rd_buffer_size );
rdec->partial_member_pos += rdec->pos;
rdec->pos = 0;
show_dprogress( 0, 0, 0, 0 );
}
return rdec->pos < rdec->stream_pos;
}
@ -136,6 +119,8 @@ static bool LZd_verify_trailer( struct LZ_decoder * const d,
int size = Rd_read_data( d->rdec, trailer, Ft_size );
const unsigned long long data_size = LZd_data_position( d );
const unsigned long long member_size = Rd_member_position( d->rdec );
unsigned td_crc;
unsigned long long td_size, tm_size;
bool error = false;
if( size < Ft_size )
@ -150,45 +135,56 @@ static bool LZd_verify_trailer( struct LZ_decoder * const d,
while( size < Ft_size ) trailer[size++] = 0;
}
if( Ft_get_data_crc( trailer ) != LZd_crc( d ) )
td_crc = Ft_get_data_crc( trailer );
if( td_crc != LZd_crc( d ) )
{
error = true;
if( verbosity >= 0 )
{
Pp_show_msg( pp, 0 );
fprintf( stderr, "CRC mismatch; trailer says %08X, data CRC is %08X\n",
Ft_get_data_crc( trailer ), LZd_crc( d ) );
fprintf( stderr, "CRC mismatch; stored %08X, computed %08X\n",
td_crc, LZd_crc( d ) );
}
}
if( Ft_get_data_size( trailer ) != data_size )
td_size = Ft_get_data_size( trailer );
if( td_size != data_size )
{
error = true;
if( verbosity >= 0 )
{
Pp_show_msg( pp, 0 );
fprintf( stderr, "Data size mismatch; trailer says %llu, data size is %llu (0x%llX)\n",
Ft_get_data_size( trailer ), data_size, data_size );
fprintf( stderr, "Data size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
td_size, td_size, data_size, data_size );
}
}
if( Ft_get_member_size( trailer ) != member_size )
tm_size = Ft_get_member_size( trailer );
if( tm_size != member_size )
{
error = true;
if( verbosity >= 0 )
{
Pp_show_msg( pp, 0 );
fprintf( stderr, "Member size mismatch; trailer says %llu, member size is %llu (0x%llX)\n",
Ft_get_member_size( trailer ), member_size, member_size );
fprintf( stderr, "Member size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
tm_size, tm_size, member_size, member_size );
}
}
if( !error && verbosity >= 2 && data_size > 0 && member_size > 0 )
fprintf( stderr, "%6.3f:1, %6.3f bits/byte, %5.2f%% saved. ",
(double)data_size / member_size,
( 8.0 * member_size ) / data_size,
100.0 * ( 1.0 - ( (double)member_size / data_size ) ) );
if( !error && verbosity >= 4 )
fprintf( stderr, "CRC %08X, decompressed %9llu, compressed %8llu. ",
LZd_crc( d ), data_size, member_size );
return !error;
if( error ) return false;
if( verbosity >= 2 )
{
if( verbosity >= 4 ) show_header( d->dictionary_size );
if( data_size == 0 || member_size == 0 )
fputs( "no data compressed. ", stderr );
else
fprintf( stderr, "%6.3f:1, %5.2f%% ratio, %5.2f%% saved. ",
(double)data_size / member_size,
( 100.0 * member_size ) / data_size,
100.0 - ( ( 100.0 * member_size ) / data_size ) );
if( verbosity >= 4 ) fprintf( stderr, "CRC %08X, ", td_crc );
if( verbosity >= 3 )
fprintf( stderr, "decompressed %9llu, compressed %8llu. ",
data_size, member_size );
}
return true;
}