From 0437b6ffc0da64f949af9f8d12297dafd1973ea2 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 13 Feb 2018 08:01:01 +0100
Subject: Adding upstream version 1.20.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 decoder.cc | 72 ++++++++++++++++++++++++++++----------------------------------
 1 file changed, 33 insertions(+), 39 deletions(-)

(limited to 'decoder.cc')

diff --git a/decoder.cc b/decoder.cc
index 734fc9d..9ba8315 100644
--- a/decoder.cc
+++ b/decoder.cc
@@ -1,5 +1,5 @@
 /*  Lziprecover - Data recovery tool for the lzip format
-    Copyright (C) 2009-2017 Antonio Diaz Diaz.
+    Copyright (C) 2009-2018 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
@@ -34,23 +34,6 @@
 const CRC32 crc32;
 
 
-void Pretty_print::operator()( const char * const msg, FILE * const f ) const
-  {
-  if( verbosity_ >= 0 )
-    {
-    if( first_post )
-      {
-      first_post = false;
-      std::fprintf( f, "  %s: ", name_.c_str() );
-      for( unsigned i = name_.size(); i < longest_name; ++i )
-        std::fputc( ' ', f );
-      if( !msg ) std::fflush( f );
-      }
-    if( msg ) std::fprintf( f, "%s\n", msg );
-    }
-  }
-
-
 /* Returns the number of bytes really read.
    If (returned value < size) and (errno == 0), means EOF was reached.
 */
@@ -97,6 +80,7 @@ bool Range_decoder::read_block()
     at_stream_end = ( stream_pos < buffer_size );
     partial_member_pos += pos;
     pos = 0;
+    show_dprogress();
     }
   return pos < stream_pos;
   }
@@ -130,7 +114,6 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
   int size = rdec.read_data( trailer.data, File_trailer::size );
   const unsigned long long data_size = data_position();
   const unsigned long long member_size = rdec.member_position();
-  const int verbosity = pp.verbosity();
   bool error = false;
 
   if( size < File_trailer::size )
@@ -145,50 +128,61 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
     while( size < File_trailer::size ) trailer.data[size++] = 0;
     }
 
-  if( trailer.data_crc() != crc() )
+  const unsigned td_crc = trailer.data_crc();
+  if( td_crc != crc() )
     {
     error = true;
     if( verbosity >= 0 )
       {
       pp();
-      std::fprintf( stderr, "CRC mismatch; trailer says %08X, data CRC is %08X\n",
-                    trailer.data_crc(), crc() );
+      std::fprintf( stderr, "CRC mismatch; stored %08X, computed %08X\n",
+                    td_crc, crc() );
       }
     }
-  if( trailer.data_size() != data_size )
+  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; trailer says %llu, data size is %llu (0x%llX)\n",
-                    trailer.data_size(), data_size, data_size );
+      std::fprintf( stderr, "Data size mismatch; stored %llu (0x%llX), computed %llu (0x%llX)\n",
+                    td_size, td_size, data_size, data_size );
       }
     }
-  if( trailer.member_size() != member_size )
+  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; trailer says %llu, member size is %llu (0x%llX)\n",
-                    trailer.member_size(), member_size, member_size );
+      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 && verbosity >= 2 && data_size > 0 && member_size > 0 )
-    std::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 )
-    std::fprintf( stderr, "CRC %08X, decompressed %9llu, compressed %8llu.  ",
-                  crc(), data_size, member_size );
-  if( rdec.get_code() != 0 && !error && verbosity >= 1 )
+  if( error ) return false;
+  if( verbosity >= 2 )
+    {
+    if( verbosity >= 4 ) show_header( dictionary_size );
+    if( data_size == 0 || member_size == 0 )
+      std::fputs( "no data compressed.  ", stderr );
+    else
+      std::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 ) std::fprintf( stderr, "CRC %08X, ", td_crc );
+    if( verbosity >= 3 )
+      std::fprintf( stderr, "decompressed %9llu, compressed %8llu.  ",
+                    data_size, member_size );
+    }
+  if( rdec.get_code() != 0 && verbosity >= 1 )
     {			// corruption in the last 4 bytes of the EOS marker
     pp();
     std::fprintf( stderr, "Range decoder final code is %08X\n", rdec.get_code() );
     }
-  return !error;
+  return true;
   }
 
 
@@ -284,7 +278,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp )
                 {
                 rdec.load(); continue;
                 }
-              if( pp.verbosity() >= 0 )
+              if( verbosity >= 0 )
                 {
                 pp();
                 std::fprintf( stderr, "Unsupported marker code '%d'\n", len );
-- 
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