From 3f2a7dc31b4309fbd1a946b0fc3317764f0eb905 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <mail@daniel-baumann.ch>
Date: Sat, 7 Nov 2015 11:00:31 +0100
Subject: Adding upstream version 1.15.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
---
 decoder.cc | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

(limited to 'decoder.cc')

diff --git a/decoder.cc b/decoder.cc
index b23daa2..06d334b 100644
--- a/decoder.cc
+++ b/decoder.cc
@@ -51,9 +51,9 @@ void Pretty_print::operator()( const char * const msg ) const
   }
 
 
-// Returns the number of bytes really read.
-// If (returned value < size) and (errno == 0), means EOF was reached.
-//
+/* Returns the number of bytes really read.
+   If (returned value < size) and (errno == 0), means EOF was reached.
+*/
 int readblock( const int fd, uint8_t * const buf, const int size )
   {
   int rest = size;
@@ -70,9 +70,9 @@ int readblock( const int fd, uint8_t * const buf, const int size )
   }
 
 
-// Returns the number of bytes really written.
-// If (returned value < size), it is always an error.
-//
+/* Returns the number of bytes really written.
+   If (returned value < size), it is always an error.
+*/
 int writeblock( const int fd, const uint8_t * const buf, const int size )
   {
   int rest = size;
@@ -104,9 +104,9 @@ bool Range_decoder::read_block()
 
 void LZ_decoder::flush_data()
   {
-  const int size = pos - stream_pos;
-  if( size > 0 )
+  if( pos > stream_pos )
     {
+    const int size = pos - stream_pos;
     crc32.update_buf( crc_, buffer + stream_pos, size );
     if( outfd >= 0 &&
         writeblock( outfd, buffer + stream_pos, size ) != size )
@@ -187,8 +187,8 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
   }
 
 
-// Return value: 0 = OK, 1 = decoder error, 2 = unexpected EOF,
-//               3 = trailer error, 4 = unknown marker found.
+/* Return value: 0 = OK, 1 = decoder error, 2 = unexpected EOF,
+                 3 = trailer error, 4 = unknown marker found. */
 int LZ_decoder::decode_member( const Pretty_print & pp )
   {
   Bit_model bm_literal[1<<literal_context_bits][0x300];
@@ -198,7 +198,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp )
   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;
@@ -231,9 +231,9 @@ int LZ_decoder::decode_member( const Pretty_print & pp )
     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
@@ -261,7 +261,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp )
         {
         const unsigned rep0_saved = rep0;
         len = min_match_len + rdec.decode_len( match_len_model, pos_state );
-        const int dis_slot = rdec.decode_tree6( bm_dis_slot[get_dis_state(len)] );
+        const int dis_slot = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] );
         if( dis_slot < start_dis_model ) rep0 = dis_slot;
         else
           {
-- 
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