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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2017-05-07 15:52:21 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2017-05-07 15:52:21 +0000 |
commit | f66fabc4c5e5085c110f7cdae627d7ca042386cf (patch) | |
tree | 782562a0be58fe11c10fb05658233ae51cce9b7c /range_dec.cc | |
parent | Adding upstream version 1.18. (diff) | |
download | lziprecover-f66fabc4c5e5085c110f7cdae627d7ca042386cf.tar.xz lziprecover-f66fabc4c5e5085c110f7cdae627d7ca042386cf.zip |
Adding upstream version 1.19.upstream/1.19
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'range_dec.cc')
-rw-r--r-- | range_dec.cc | 92 |
1 files changed, 14 insertions, 78 deletions
diff --git a/range_dec.cc b/range_dec.cc index eeb542a..e105aaa 100644 --- a/range_dec.cc +++ b/range_dec.cc @@ -1,5 +1,5 @@ /* Lziprecover - Data recovery tool for the lzip format - Copyright (C) 2009-2016 Antonio Diaz Diaz. + Copyright (C) 2009-2017 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 @@ -71,62 +71,9 @@ int decompress_member( const int infd, const Pretty_print & pp, } -int list_file( const char * const input_filename, const Pretty_print & pp ) - { - struct stat in_stats; // not used - const int infd = open_instream( input_filename, &in_stats, true, true ); - if( infd < 0 ) return 1; - - const File_index file_index( infd ); - close( infd ); - if( file_index.retval() != 0 ) - { pp( file_index.error().c_str() ); return file_index.retval(); } - - if( pp.verbosity() >= 0 ) - { - const unsigned long long data_size = file_index.data_end(); - const unsigned long long file_size = file_index.file_end(); - unsigned dictionary_size = 0; - for( long i = 0; i < file_index.members(); ++i ) - dictionary_size = - std::max( dictionary_size, file_index.dictionary_size( i ) ); - pp( 0, stdout ); - show_header( dictionary_size, 1 ); - if( data_size > 0 && file_size > 0 ) - std::printf( "%6.3f:1, %6.3f bits/byte, %5.2f%% saved. ", - (double)data_size / file_size, - ( 8.0 * file_size ) / data_size, - 100.0 * ( 1.0 - ( (double)file_size / data_size ) ) ); - std::printf( "decompressed size %9llu, compressed size %8llu.\n", - data_size, file_size ); - - if( pp.verbosity() >= 1 && file_index.members() > 1 ) - { - std::printf( " Total members in file = %ld\n", file_index.members() ); - if( pp.verbosity() >= 2 ) - for( long i = 0; i < file_index.members(); ++i ) - { - const Block & db = file_index.dblock( i ); - const Block & mb = file_index.mblock( i ); - std::printf( " Member %3ld data pos %9llu data size %7llu " - "member pos %9llu member size %7llu.\n", i + 1, - db.pos(), db.size(), mb.pos(), mb.size() ); - } - } - const long long trailing_size = file_index.file_size() - file_index.file_end(); - if( pp.verbosity() >= 1 && trailing_size > 0 ) - std::printf( " %lld bytes of trailing data at end of file.\n", - trailing_size ); - } - return 0; - } - -} // end namespace - - const char * format_num( unsigned long long num, - unsigned long long limit, - const int set_prefix ) + unsigned long long limit = -1ULL, + const int set_prefix = 0 ) { const char * const si_prefix[8] = { "k", "M", "G", "T", "P", "E", "Z", "Y" }; @@ -150,6 +97,8 @@ const char * format_num( unsigned long long num, return buf; } +} // end namespace + bool safe_seek( const int fd, const long long pos ) { @@ -158,37 +107,24 @@ bool safe_seek( const int fd, const long long pos ) } -int list_files( const std::vector< std::string > & filenames, - const int verbosity ) - { - Pretty_print pp( filenames, verbosity ); - int retval = 0; - for( unsigned i = 0; i < filenames.size(); ++i ) - { - pp.set_name( filenames[i] ); - const int tmp = list_file( filenames[i].c_str(), pp ); - if( tmp > retval ) retval = tmp; - } - return retval; - } - - int range_decompress( const std::string & input_filename, const std::string & default_output_filename, Block range, const int verbosity, const bool force, - const bool ignore, const bool to_stdout ) + const bool ignore_errors, const bool ignore_trailing, + const bool to_stdout ) { struct stat in_stats; const int infd = open_instream( input_filename.c_str(), &in_stats, true, true ); if( infd < 0 ) return 1; Pretty_print pp( input_filename, verbosity ); - const File_index file_index( infd ); + const File_index file_index( infd, ignore_errors, ignore_trailing ); if( file_index.retval() != 0 ) - { pp( file_index.error().c_str() ); return file_index.retval(); } + { show_file_error( input_filename.c_str(), file_index.error().c_str() ); + return file_index.retval(); } - if( range.end() > file_index.data_end() ) - range.size( std::max( 0LL, file_index.data_end() - range.pos() ) ); + if( range.end() > file_index.udata_size() ) + range.size( std::max( 0LL, file_index.udata_size() - range.pos() ) ); if( range.size() <= 0 ) { if( verbosity >= 0 ) pp( "Nothing to do." ); return 0; } @@ -196,7 +132,7 @@ int range_decompress( const std::string & input_filename, { if( verbosity >= 2 ) std::fprintf( stderr, "Decompressed file size = %sB\n", - format_num( file_index.data_end() ) ); + format_num( file_index.udata_size() ) ); std::fprintf( stderr, "Decompressing range %sB to %sB (%sBytes)\n", format_num( range.pos() ), format_num( range.pos() + range.size() ), @@ -225,7 +161,7 @@ int range_decompress( const std::string & input_filename, const long long mpos = file_index.mblock( i ).pos(); if( !safe_seek( infd, mpos ) ) { retval = 1; break; } const int tmp = decompress_member( infd, pp, mpos, outskip, outend ); - if( tmp && ( tmp != 2 || !ignore ) ) + if( tmp && ( tmp != 2 || !ignore_errors ) ) cleanup_and_fail( tmp ); if( tmp > retval ) retval = tmp; pp.reset(); |