test/NullMixerListener: new class to fix -Wnull-dereference

2018-01-23 16:28:56 +01:00
parent bb1e369f30
commit f762e8034f
4 changed files with 43 additions and 4 deletions
--- a/test/read_mixer.cxx
+++ b/test/read_mixer.cxx
@@ -18,6 +18,7 @@
 */

 #include "config.h"
+#include "NullMixerListener.hxx"
 #include "mixer/MixerControl.hxx"
 #include "mixer/MixerList.hxx"
 #include "filter/FilterRegistry.hxx"
@@ -50,9 +51,10 @@ try {

 	EventLoop event_loop;

+	NullMixerListener mixer_listener;
 	Mixer *mixer = mixer_new(event_loop, alsa_mixer_plugin,
 				 *(AudioOutput *)nullptr,
-				 *(MixerListener *)nullptr,
+				 mixer_listener,
 				 ConfigBlock());

 	mixer_open(mixer);