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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-01-23 05:31:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-01-23 05:31:48 +0000
commit9845662681ec82b0fa7a43a77d6ca23cf88a840b (patch)
tree1948c183ae1c82950b71f81f4675e5bae9eeb5c6 /decoder.cc
parentReleasing debian version 1.24~pre1-2. (diff)
downloadlziprecover-9845662681ec82b0fa7a43a77d6ca23cf88a840b.tar.xz
lziprecover-9845662681ec82b0fa7a43a77d6ca23cf88a840b.zip
Merging upstream version 1.24.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'decoder.cc')
-rw-r--r--decoder.cc52
1 files changed, 22 insertions, 30 deletions
diff --git a/decoder.cc b/decoder.cc
index fc617de..4c68355 100644
--- a/decoder.cc
+++ b/decoder.cc
@@ -1,5 +1,5 @@
/* Lziprecover - Data recovery tool for the lzip format
- Copyright (C) 2009-2023 Antonio Diaz Diaz.
+ Copyright (C) 2009-2024 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
@@ -112,21 +112,17 @@ int LZ_decoder::check_trailer( const Pretty_print & pp,
const bool ignore_empty ) const
{
Lzip_trailer trailer;
- int size = rdec.read_data( trailer.data, Lzip_trailer::size );
- const unsigned long long data_size = data_position();
- const unsigned long long member_size = rdec.member_position();
+ int size = rdec.read_data( trailer.data, trailer.size );
bool error = false;
- if( size < Lzip_trailer::size )
+ if( size < trailer.size )
{
error = true;
if( verbosity >= 0 )
- {
- pp();
- std::fprintf( stderr, "Trailer truncated at trailer position %d;"
- " some checks may fail.\n", size );
- }
- while( size < Lzip_trailer::size ) trailer.data[size++] = 0;
+ { pp();
+ std::fprintf( stderr, "Trailer truncated at trailer position %d;"
+ " some checks may fail.\n", size ); }
+ while( size < trailer.size ) trailer.data[size++] = 0;
}
const unsigned td_crc = trailer.data_crc();
@@ -134,33 +130,29 @@ int LZ_decoder::check_trailer( const Pretty_print & pp,
{
error = true;
if( verbosity >= 0 )
- {
- pp();
- std::fprintf( stderr, "CRC mismatch; stored %08X, computed %08X\n",
- td_crc, crc() );
- }
+ { pp();
+ std::fprintf( stderr, "CRC mismatch; stored %08X, computed %08X\n",
+ td_crc, crc() ); }
}
+ const unsigned long long data_size = data_position();
const unsigned long long td_size = trailer.data_size();
if( td_size != data_size )
{
error = true;
if( verbosity >= 0 )
- {
- pp();
- std::fprintf( stderr, "Data size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
- td_size, td_size, data_size, data_size );
- }
+ { pp();
+ std::fprintf( stderr, "Data size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
+ td_size, td_size, data_size, data_size ); }
}
+ const unsigned long long member_size = rdec.member_position();
const unsigned long long tm_size = trailer.member_size();
if( tm_size != member_size )
{
error = true;
if( verbosity >= 0 )
- {
- pp();
- std::fprintf( stderr, "Member size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
- tm_size, tm_size, member_size, member_size );
- }
+ { pp();
+ std::fprintf( stderr, "Member size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
+ tm_size, tm_size, member_size, member_size ); }
}
if( error ) return 3;
if( !ignore_empty && data_size == 0 ) return 5;
@@ -190,8 +182,8 @@ int LZ_decoder::check_trailer( const Pretty_print & pp,
/* Return value: 0 = OK, 1 = decoder error, 2 = unexpected EOF,
3 = trailer error, 4 = unknown marker found,
5 = empty member found, 6 = marked member found. */
-int LZ_decoder::decode_member( const Pretty_print & pp,
- const bool ignore_empty, const bool ignore_marking )
+int LZ_decoder::decode_member( const Cl_options & cl_opts,
+ const Pretty_print & pp )
{
Bit_model bm_literal[1<<literal_context_bits][0x300];
Bit_model bm_match[State::states][pos_states];
@@ -211,7 +203,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp,
unsigned rep3 = 0;
State state;
- if( !rdec.load( ignore_marking ) ) return 6;
+ if( !rdec.load( cl_opts.ignore_marking ) ) return 6;
while( !rdec.finished() )
{
const int pos_state = data_position() & pos_state_mask;
@@ -275,7 +267,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp,
rdec.normalize();
flush_data();
if( len == min_match_len ) // End Of Stream marker
- return check_trailer( pp, ignore_empty );
+ return check_trailer( pp, cl_opts.ignore_empty );
if( len == min_match_len + 1 ) // Sync Flush marker
{ rdec.load(); continue; }
if( verbosity >= 0 )