Codechange: Use null pointer literal instead of the NULL macro

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mixer.cpp b/src/mixer.cpp
index 6014f6082..5f3eeb42a 100644
--- a/src/mixer.cpp
+++ b/src/mixer.cpp
@@ -39,7 +39,7 @@ struct MixerChannel {
 static MixerChannel _channels[8];
 static uint32 _play_rate = 11025;
 static uint32 _max_size = UINT_MAX;
-static MxStreamCallback _music_stream = NULL;
+static MxStreamCallback _music_stream = nullptr;
 
 /**
  * The theoretical maximum volume for a single sound sample. Multiple sound
@@ -175,11 +175,11 @@ MixerChannel *MxAllocateChannel()
 	for (mc = _channels; mc != endof(_channels); mc++) {
 		if (!mc->active) {
 			free(mc->memory);
-			mc->memory = NULL;
+			mc->memory = nullptr;
 			return mc;
 		}
 	}
-	return NULL;
+	return nullptr;
 }
 
 void MxSetChannelRawSrc(MixerChannel *mc, int8 *mem, size_t size, uint rate, bool is16bit)
@@ -238,6 +238,6 @@ bool MxInitialize(uint rate)
 {
 	_play_rate = rate;
 	_max_size  = UINT_MAX / _play_rate;
-	_music_stream = NULL; /* rate may have changed, any music source is now invalid */
+	_music_stream = nullptr; /* rate may have changed, any music source is now invalid */
 	return true;
 }