removed the ensure_block field from the context object and added the <ensure> code to the preamble field of a method.

stix/lib/main.c

@@ -342,6 +342,8 @@ static void log_write (stix_t* stix, unsigned int mask, const stix_ooch_t* msg,
 
 	msgidx = 0;
 
+/*if (mask & STIX_LOG_GC) return;*/ /* don't show gc logs */
+
 /* TODO: beautify the log message.
  *       do classification based on mask. */
 
@@ -676,7 +678,6 @@ int main (int argc, char* argv[])
 		}
 	}
 
-
 	xret = 0;
 	g_stix = stix;
 	setup_tick ();