Adding upstream version 1.15.upstream/1.15

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

1 files changed, 23 insertions, 23 deletions

diff --git a/doc/lzip.info b/doc/lzip.info
index 4445d40..a1a2cbe 100644
--- a/doc/lzip.info
+++ b/doc/lzip.info
@@ -11,7 +11,7 @@ File: lzip.info,  Node: Top,  Next: Introduction,  Up: (dir)
 Lzip Manual
 ***********
 
-This manual is for Lzip (version 1.15-rc1, 1 August 2013).
+This manual is for Lzip (version 1.15, 20 September 2013).
 
 * Menu:
 
@@ -63,8 +63,8 @@ recovery capabilities, including error-checked merging of damaged copies
 of a file.
 
    Lzip uses the same well-defined exit status values used by bzip2,
-which makes it safer when used in pipes or scripts than compressors
-returning ambiguous warning values, like gzip.
+which makes it safer than compressors returning ambiguous warning
+values (like gzip) when it is used as a back end for tar or zutils.
 
    Lzip replaces every file given in the command line with a compressed
 version of itself, with the name "original_name.lz". Each compressed
@@ -278,7 +278,7 @@ The format for running lzip is:
 `--verbose'
      Verbose mode.
      When compressing, show the compression ratio for each file
-     processed. A second -v shows the progress of compression.
+     processed. A second `-v' shows the progress of compression.
      When decompressing or testing, further -v's (up to 4) increase the
      verbosity level, showing status, compression ratio, dictionary
      size, trailer contents (CRC, data size, member size), and up to 6
@@ -520,8 +520,8 @@ integers representing the probability of the corresponding bit being 0.
 `literal_state'
      Value of the 3 most significant bits of the latest byte decoded.
 
-`dis_state'
-     Coded value of length (real length - 2), with a maximum of 3. The
+`len_state'
+     Coded value of length (length - 2), with a maximum of 3. The
      resulting value is in the range 0 to 3.
 
 
@@ -561,7 +561,7 @@ bm_len         state, pos_state              after sequence 110
 
 Name           Indices                       Used when
 --------------------------------------------------------------------------- 
-bm_dis_slot    dis_state, bit tree           distance start
+bm_dis_slot    len_state, bit tree           distance start
 bm_dis         reverse bit tree              after slots 4 to 13
 bm_align       reverse bit tree              for distances >= 128, after
                                              fixed probability bits
@@ -696,7 +696,7 @@ file with a member size of 32 MiB.
 
 File: lzip.info,  Node: Problems,  Next: Reference source code,  Prev: Examples,  Up: Top
 
-7 Reporting Bugs
+7 Reporting bugs
 ****************
 
 There are probably bugs in lzip. There are certainly errors and
@@ -768,6 +768,7 @@ enum {
   pos_states = 1 << pos_state_bits,
   pos_state_mask = pos_states - 1,
 
+  len_states = 4,
   dis_slot_bits = 6,
   start_dis_model = 4,
   end_dis_model = 14,
@@ -784,7 +785,6 @@ enum {
   max_len_symbols = len_low_symbols + len_mid_symbols + len_high_symbols,
 
   min_match_len = 2,					// must be 2
-  max_dis_states = 4,
 
   bit_model_move_bits = 5,
   bit_model_total_bits = 11,
@@ -1011,7 +1011,7 @@ bool LZ_decoder::decode_member()		// Returns false if error
   Bit_model bm_rep1[State::states];
   Bit_model bm_rep2[State::states];
   Bit_model bm_len[State::states][pos_states];
-  Bit_model bm_dis_slot[max_dis_states][1<<dis_slot_bits];
+  Bit_model bm_dis_slot[len_states][1<<dis_slot_bits];
   Bit_model bm_dis[modeled_distances-end_dis_model];
   Bit_model bm_align[dis_align_size];
   Len_model match_len_model;
@@ -1039,9 +1039,9 @@ bool LZ_decoder::decode_member()		// Returns false if error
     else
       {
       int len;
-      if( rdec.decode_bit( bm_rep[state()] ) == 1 )		// 2nd bit
+      if( rdec.decode_bit( bm_rep[state()] ) != 0 )		// 2nd bit
         {
-        if( rdec.decode_bit( bm_rep0[state()] ) == 1 )		// 3rd bit
+        if( rdec.decode_bit( bm_rep0[state()] ) != 0 )		// 3rd bit
           {
           unsigned distance;
           if( rdec.decode_bit( bm_rep1[state()] ) == 0 )	// 4th bit
@@ -1062,16 +1062,16 @@ bool LZ_decoder::decode_member()		// Returns false if error
           if( rdec.decode_bit( bm_len[state()][pos_state] ) == 0 ) // 4th bit
             { state.set_short_rep(); put_byte( get_byte( rep0 ) ); continue; }
           }
-        len = min_match_len + rdec.decode_len( rep_len_model, pos_state );
         state.set_rep();
+        len = min_match_len + rdec.decode_len( rep_len_model, pos_state );
         }
       else
         {
         rep3 = rep2; rep2 = rep1; rep1 = rep0;
         len = min_match_len + rdec.decode_len( match_len_model, pos_state );
-        const int dis_state = std::min( len - min_match_len, max_dis_states - 1 );
+        const int len_state = std::min( len - min_match_len, len_states - 1 );
         const int dis_slot =
-          rdec.decode_tree( bm_dis_slot[dis_state], dis_slot_bits );
+          rdec.decode_tree( bm_dis_slot[len_state], dis_slot_bits );
         if( dis_slot < start_dis_model ) rep0 = dis_slot;
         else
           {
@@ -1193,14 +1193,14 @@ Concept index
 Tag Table:
 Node: Top210
 Node: Introduction1052
-Node: Algorithm5012
-Node: Invoking lzip7505
-Node: File format13181
-Node: Stream format15729
-Node: Examples25134
-Node: Problems27090
-Node: Reference source code27620
-Node: Concept index41135
+Node: Algorithm5031
+Node: Invoking lzip7524
+Node: File format13202
+Node: Stream format15750
+Node: Examples25150
+Node: Problems27106
+Node: Reference source code27636
+Node: Concept index41139
 
 End Tag Table