Adding upstream version 1.19.upstream/1.19

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/list.cc b/list.cc
new file mode 100644
index 0000000..17b8a4b
--- /dev/null
+++ b/list.cc
@@ -0,0 +1,121 @@
+/*  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;
+  }