Adding upstream version 1.6~pre2.upstream/1.6_pre2

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 9 insertions, 8 deletions

diff --git a/decoder.cc b/decoder.cc
index 341740b..aeac2cd 100644
--- a/decoder.cc
+++ b/decoder.cc
@@ -47,6 +47,7 @@ void LZ_decoder::flush_data()
   {
   if( !member_finished )
     {
+    crc32.update( crc_, buffer, pos );
     if( odes_ >= 0 )
       {
       const int wr = writeblock( odes_, (char *)buffer, pos );
@@ -65,7 +66,9 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
   const int trailer_size = trailer.size( format_version );
   for( int i = 0; i < trailer_size && !error; ++i )
     {
-    if( range_decoder.finished() )
+    if( !range_decoder.finished() )
+      ((uint8_t *)&trailer)[i] = range_decoder.get_byte();
+    else
       {
       error = true;
       if( verbosity >= 0 )
@@ -75,7 +78,6 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
                               " some checks may fail.\n", i );
         }
       }
-    ((uint8_t *)&trailer)[i] = range_decoder.read_byte();
     }
   if( format_version == 0 ) trailer.member_size( member_position() );
   if( trailer.data_crc() != crc() )
@@ -195,23 +197,22 @@ int LZ_decoder::decode_member( const Pretty_print & pp )
             rep0 += range_decoder.decode_tree_reversed( bm_align, dis_align_bits );
             if( rep0 == 0xFFFFFFFF )		// Marker found
               {
+              range_decoder.normalize();
+              flush_data();
               if( len == min_match_len )	// End Of Stream marker
-                {
-                flush_data();
-                if( verify_trailer( pp ) ) return 0; else return 3;
-                }
+                { if( verify_trailer( pp ) ) return 0; else return 3; }
               if( verbosity >= 0 )
                 {
                 pp();
                 std::fprintf( stderr, "unsupported marker code `%d'.\n", len );
                 }
-              flush_data();
               return 4;
               }
+            if( rep0 >= (unsigned int)buffer_size ) { flush_data(); return 1; }
             }
           }
         }
-      if( !copy_block( rep0, len ) ) { flush_data(); return 1; }
+      copy_block( rep0, len );
       prev_byte = get_byte( 0 );
       }
     }