1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/alsa/audio_driver_alsa.cpp b/drivers/alsa/audio_driver_alsa.cpp
index 400ce31bf7..48e694dd3a 100644
--- a/drivers/alsa/audio_driver_alsa.cpp
+++ b/drivers/alsa/audio_driver_alsa.cpp
@@ -60,7 +60,7 @@ Error AudioDriverALSA::init_device() {
 		fprintf(stderr, "ALSA ERR: %s\n", snd_strerror(status)); \
 		if (pcm_handle) {                                        \
 			snd_pcm_close(pcm_handle);                           \
-			pcm_handle = NULL;                                   \
+			pcm_handle = nullptr;                                \
 		}                                                        \
 		ERR_FAIL_COND_V(m_cond, ERR_CANT_OPEN);                  \
 	}
@@ -98,7 +98,7 @@ Error AudioDriverALSA::init_device() {
 	status = snd_pcm_hw_params_set_channels(pcm_handle, hwparams, 2);
 	CHECK_FAIL(status < 0);
 
-	status = snd_pcm_hw_params_set_rate_near(pcm_handle, hwparams, &mix_rate, NULL);
+	status = snd_pcm_hw_params_set_rate_near(pcm_handle, hwparams, &mix_rate, nullptr);
 	CHECK_FAIL(status < 0);
 
 	// In ALSA the period size seems to be the one that will determine the actual latency
@@ -113,12 +113,12 @@ Error AudioDriverALSA::init_device() {
 	status = snd_pcm_hw_params_set_buffer_size_near(pcm_handle, hwparams, &buffer_size);
 	CHECK_FAIL(status < 0);
 
-	status = snd_pcm_hw_params_set_period_size_near(pcm_handle, hwparams, &period_size, NULL);
+	status = snd_pcm_hw_params_set_period_size_near(pcm_handle, hwparams, &period_size, nullptr);
 	CHECK_FAIL(status < 0);
 
 	print_verbose("Audio buffer frames: " + itos(period_size) + " calculated latency: " + itos(period_size * 1000 / mix_rate) + "ms");
 
-	status = snd_pcm_hw_params_set_periods_near(pcm_handle, hwparams, &periods, NULL);
+	status = snd_pcm_hw_params_set_periods_near(pcm_handle, hwparams, &periods, nullptr);
 	CHECK_FAIL(status < 0);
 
 	status = snd_pcm_hw_params(pcm_handle, hwparams);
@@ -262,11 +262,11 @@ Array AudioDriverALSA::get_device_list() {
 	if (snd_device_name_hint(-1, "pcm", &hints) < 0)
 		return list;
 
-	for (void **n = hints; *n != NULL; n++) {
+	for (void **n = hints; *n != nullptr; n++) {
 		char *name = snd_device_name_get_hint(*n, "NAME");
 		char *desc = snd_device_name_get_hint(*n, "DESC");
 
-		if (name != NULL && !strncmp(name, "plughw", 6)) {
+		if (name != nullptr && !strncmp(name, "plughw", 6)) {
 			if (desc) {
 				list.push_back(String(name) + ";" + String(desc));
 			} else {
@@ -274,9 +274,9 @@ Array AudioDriverALSA::get_device_list() {
 			}
 		}
 
-		if (desc != NULL)
+		if (desc != nullptr)
 			free(desc);
-		if (name != NULL)
+		if (name != nullptr)
 			free(name);
 	}
 	snd_device_name_free_hint(hints);
@@ -314,7 +314,7 @@ void AudioDriverALSA::finish_device() {
 
 	if (pcm_handle) {
 		snd_pcm_close(pcm_handle);
-		pcm_handle = NULL;
+		pcm_handle = nullptr;
 	}
 }
 
@@ -325,15 +325,15 @@ void AudioDriverALSA::finish() {
 		Thread::wait_to_finish(thread);
 
 		memdelete(thread);
-		thread = NULL;
+		thread = nullptr;
 	}
 
 	finish_device();
 }
 
 AudioDriverALSA::AudioDriverALSA() :
-		thread(NULL),
-		pcm_handle(NULL),
+		thread(nullptr),
+		pcm_handle(nullptr),
 		device_name("Default"),
 		new_device("Default") {
 }