useless checks were removed

src/ctx.cpp

@@ -74,13 +74,11 @@ zmq::ctx_t::~ctx_t ()
         delete io_threads [i];
 
     //  Deallocate the reaper thread object.
-    if (reaper)
     delete reaper;
 
     //  Deallocate the array of mailboxes. No special work is
     //  needed as mailboxes themselves were deallocated with their
     //  corresponding io_thread/socket objects.
-    if (slots)
     free (slots);
 
     //  Remove the tag, so that the object is considered dead.

src/mtrie.cpp

@@ -54,7 +54,6 @@ zmq::mtrie_t::~mtrie_t ()
     else 
     if (count > 1) {
         for (unsigned short i = 0; i != count; ++i)
-            if (next.table [i])
             delete next.table [i];
         free (next.table);
     }

src/session_base.cpp

@@ -96,7 +96,6 @@ zmq::session_base_t::~session_base_t ()
     if (engine)
         engine->terminate ();
 
-    if (addr)
     delete addr;
 }
 

src/stream_engine.cpp

@@ -114,11 +114,8 @@ zmq::stream_engine_t::~stream_engine_t ()
     int rc = tx_msg.close ();
     errno_assert (rc == 0);
 
-    if (encoder != NULL)
     delete encoder;
-    if (decoder != NULL)
     delete decoder;
-    if (mechanism != NULL)
     delete mechanism;
 }
 

src/trie.cpp

@@ -48,7 +48,6 @@ zmq::trie_t::~trie_t ()
     else
     if (count > 1) {
         for (unsigned short i = 0; i != count; ++i)
-            if (next.table [i])
             delete next.table [i];
         free (next.table);
     }

src/yqueue.hpp

@@ -72,7 +72,6 @@ namespace zmq
             }
 
             chunk_t *sc = spare_chunk.xchg (NULL);
-            if (sc)
             free (sc);
         }
 
@@ -156,7 +155,6 @@ namespace zmq
                 //  so for cache reasons we'll get rid of the spare and
                 //  use 'o' as the spare.
                 chunk_t *cs = spare_chunk.xchg (o);
-                if (cs)
                 free (cs);
             }
         }