From 4eb895adce37d5080310984546faf00db136d4ef Mon Sep 17 00:00:00 2001
From: Daniel Baumann <mail@daniel-baumann.ch>
Date: Wed, 1 Jun 2016 16:15:42 +0200
Subject: Merging upstream version 1.5.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
---
 dec_stream.cc | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'dec_stream.cc')

diff --git a/dec_stream.cc b/dec_stream.cc
index 93fc8de..e074ee2 100644
--- a/dec_stream.cc
+++ b/dec_stream.cc
@@ -1,6 +1,6 @@
 /*  Plzip - Parallel compressor compatible with lzip
     Copyright (C) 2009 Laszlo Ersek.
-    Copyright (C) 2009-2015 Antonio Diaz Diaz.
+    Copyright (C) 2009-2016 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
@@ -88,16 +88,16 @@ public:
       num_workers( workers ), out_slots( oslots ), slot_av( workers ),
       eof( false )
     {
-    xinit( &imutex ); xinit( &iav_or_eof );
-    xinit( &omutex ); xinit( &oav_or_exit );
-    for( unsigned i = 0; i < slot_av.size(); ++i ) xinit( &slot_av[i] );
+    xinit_mutex( &imutex ); xinit_cond( &iav_or_eof );
+    xinit_mutex( &omutex ); xinit_cond( &oav_or_exit );
+    for( unsigned i = 0; i < slot_av.size(); ++i ) xinit_cond( &slot_av[i] );
     }
 
   ~Packet_courier()
     {
-    for( unsigned i = 0; i < slot_av.size(); ++i ) xdestroy( &slot_av[i] );
-    xdestroy( &oav_or_exit ); xdestroy( &omutex );
-    xdestroy( &iav_or_eof ); xdestroy( &imutex );
+    for( unsigned i = 0; i < slot_av.size(); ++i ) xdestroy_cond( &slot_av[i] );
+    xdestroy_cond( &oav_or_exit ); xdestroy_mutex( &omutex );
+    xdestroy_cond( &iav_or_eof ); xdestroy_mutex( &imutex );
     }
 
   // make a packet with data received from splitter
@@ -345,6 +345,7 @@ struct Worker_arg
   Packet_courier * courier;
   const Pretty_print * pp;
   int worker_id;
+  bool ignore_trailing;
   bool testing;
   };
 
@@ -357,6 +358,7 @@ extern "C" void * dworker_s( void * arg )
   Packet_courier & courier = *tmp.courier;
   const Pretty_print & pp = *tmp.pp;
   const int worker_id = tmp.worker_id;
+  const bool ignore_trailing = tmp.ignore_trailing;
   const bool testing = tmp.testing;
 
   uint8_t * new_data = new( std::nothrow ) uint8_t[max_packet_size];
@@ -392,7 +394,11 @@ extern "C" void * dworker_s( void * arg )
         if( rd < 0 )
           {
           if( LZ_decompress_errno( decoder ) == LZ_header_error )
+            {
             trailing_garbage_found = true;
+            if( !ignore_trailing )
+              { pp( "Trailing data not allowed." ); cleanup_and_fail( 2 ); }
+            }
           else
             cleanup_and_fail( decompress_read_error( decoder, pp, worker_id ) );
           }
@@ -461,7 +467,8 @@ void muxer( Packet_courier & courier, const Pretty_print & pp, const int outfd )
     // init the courier, then start the splitter and the workers and,
     // if not testing, call the muxer.
 int dec_stream( const int num_workers, const int infd, const int outfd,
-                const Pretty_print & pp, const int debug_level )
+                const Pretty_print & pp, const int debug_level,
+                const bool ignore_trailing )
   {
   const int in_slots_per_worker = 2;
   const int out_slots = 32;
@@ -490,6 +497,7 @@ int dec_stream( const int num_workers, const int infd, const int outfd,
     worker_args[i].courier = &courier;
     worker_args[i].pp = &pp;
     worker_args[i].worker_id = i;
+    worker_args[i].ignore_trailing = ignore_trailing;
     worker_args[i].testing = ( outfd < 0 );
     errcode = pthread_create( &worker_threads[i], 0, dworker_s, &worker_args[i] );
     if( errcode )
-- 
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