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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 /list.cc
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 'list.cc')
-rw-r--r--list.cc121
1 files changed, 121 insertions, 0 deletions
diff --git a/list.cc b/list.cc
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+/* Lzip - LZMA lossless data compressor
+ 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
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define _FILE_OFFSET_BITS 64
+
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include <vector>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "lzip.h"
+#include "file_index.h"
+
+
+namespace {
+
+void list_line( const unsigned long long uncomp_size,
+ const unsigned long long comp_size,
+ const char * const input_filename )
+ {
+ if( uncomp_size > 0 )
+ std::printf( "%15llu %15llu %6.2f%% %s\n", uncomp_size, comp_size,
+ 100.0 * ( 1.0 - ( (double)comp_size / uncomp_size ) ),
+ input_filename );
+ else
+ std::printf( "%15llu %15llu -INF%% %s\n", uncomp_size, comp_size,
+ input_filename );
+ }
+
+} // end namespace
+
+
+int list_files( const std::vector< std::string > & filenames,
+ const bool ignore_trailing )
+ {
+ unsigned long long total_comp = 0, total_uncomp = 0;
+ int files = 0, retval = 0;
+ bool first_post = true;
+ bool stdin_used = false;
+ for( unsigned i = 0; i < filenames.size(); ++i )
+ {
+ const bool from_stdin = ( filenames[i] == "-" );
+ if( from_stdin ) { if( stdin_used ) continue; else stdin_used = true; }
+ const char * const input_filename =
+ from_stdin ? "(stdin)" : filenames[i].c_str();
+ struct stat in_stats; // not used
+ const int infd = from_stdin ? STDIN_FILENO :
+ open_instream( input_filename, &in_stats, true, true );
+ if( infd < 0 ) { if( retval < 1 ) retval = 1; continue; }
+
+ const File_index file_index( infd, ignore_trailing );
+ close( infd );
+ if( file_index.retval() != 0 )
+ {
+ show_file_error( input_filename, file_index.error().c_str() );
+ if( retval < file_index.retval() ) retval = file_index.retval();
+ continue;
+ }
+ if( verbosity >= 0 )
+ {
+ const unsigned long long udata_size = file_index.udata_size();
+ const unsigned long long cdata_size = file_index.cdata_size();
+ total_comp += cdata_size; total_uncomp += udata_size; ++files;
+ if( first_post )
+ {
+ first_post = false;
+ if( verbosity >= 1 ) std::fputs( " dict memb trail ", stdout );
+ std::fputs( " uncompressed compressed saved name\n", stdout );
+ }
+ if( verbosity >= 1 )
+ {
+ unsigned dictionary_size = 0;
+ for( long i = 0; i < file_index.members(); ++i )
+ dictionary_size =
+ std::max( dictionary_size, file_index.dictionary_size( i ) );
+ const long long trailing_size = file_index.file_size() - cdata_size;
+ std::printf( "%s %5ld %6lld ", format_ds( dictionary_size ),
+ file_index.members(), trailing_size );
+ }
+ list_line( udata_size, cdata_size, input_filename );
+
+ if( verbosity >= 2 && file_index.members() > 1 )
+ {
+ std::fputs( " member data_pos data_size member_pos member_size\n", stdout );
+ 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( "%5ld %15llu %15llu %15llu %15llu\n",
+ i + 1, db.pos(), db.size(), mb.pos(), mb.size() );
+ }
+ first_post = true; // reprint heading after list of members
+ }
+ std::fflush( stdout );
+ }
+ }
+ if( verbosity >= 0 && files > 1 )
+ {
+ if( verbosity >= 1 ) std::fputs( " ", stdout );
+ list_line( total_uncomp, total_comp, "(totals)" );
+ std::fflush( stdout );
+ }
+ return retval;
+ }