Code Maintenance - nullptr checking

3rdparty/flite_hts_engine/lib/flite_hts_engine.c

@@ -344,6 +344,8 @@ void Flite_Text_Analyzer_analysis(Flite_Text_Analyzer * analyzer, const char *te
 
    /* allocate */
    fu = (Flite_Utterance *) malloc(sizeof(Flite_Utterance));
+   if (fu == NULL)
+      return;
 
    /* create voice */
    fu->v = REGISTER_VOX(NULL);

3rdparty/hidapi/hidparser/hidparse.c

@@ -99,6 +99,9 @@ uint32_t pop_local_item(uint8_t tag);
 hid_item* build_item(uint8_t tag, uint8_t flags, hid_item* global_state)
 {
     hid_item* item = (hid_item*) calloc(sizeof(hid_item), 1);
+    if (item == NULL)
+        return NULL;
+
     item->flags = flags;
     item->usage = pop_local_item(HID_USAGE_ITEM);
     item->type = tag;

3rdparty/hidapi/linux/hid.c

@@ -104,6 +104,9 @@ static __u32 detect_kernel_version(void)
 static hid_device *new_hid_device(void)
 {
 	hid_device *dev = calloc(1, sizeof(hid_device));
+	if (dev == NULL)
+		return NULL;
+
 	dev->device_handle = -1;
 	dev->blocking = 1;
 	dev->uses_numbered_reports = 0;

3rdparty/hidapi/mac/hid.c

@@ -125,6 +125,9 @@ struct hid_device_ {
 static hid_device *new_hid_device(void)
 {
 	hid_device *dev = calloc(1, sizeof(hid_device));
+	if (dev == NULL)
+		return NULL;
+
 	dev->device_handle = NULL;
 	dev->blocking = 1;
 	dev->uses_numbered_reports = 0;
@@ -562,6 +565,9 @@ static void hid_report_callback(void *context, IOReturn result, void *sender,
 
 	/* Make a new Input Report object */
 	rpt = calloc(1, sizeof(struct input_report));
+	if (rpt == NULL)
+		return;
+
 	rpt->data = calloc(1, report_length);
 	memcpy(rpt->data, report, report_length);
 	rpt->len = report_length;

3rdparty/iaxclient/lib/portmixer/px_mac/px_mac.c

@@ -120,7 +120,10 @@ PxMixer *Px_OpenMixer( void *pa_stream, int index )
    Handle                       h;
    unsigned char               *data;
    
-   info = (PxInfo *)malloc(sizeof(PxInfo));   
+   info = (PxInfo *)malloc(sizeof(PxInfo));
+   if (info == NULL)
+      return NULL;
+
    past = (internalPortAudioStream *) pa_stream;
    macInfo = (PaHostSoundControl *) past->past_DeviceData;
 

3rdparty/iaxclient/lib/portmixer/px_unix_oss/px_unix_oss.c

@@ -121,6 +121,9 @@ PxMixer *Px_OpenMixer( void *pa_stream, int index )
       return NULL;
 
    info = (PxInfo *)malloc(sizeof(PxInfo));
+   if (info == NULL)
+      return NULL;
+
    info->index = PxDevice[index];
 
    if (PxDevices[index]==0)

3rdparty/iaxclient/lib/portmixer/px_win_wmme/px_win_wmme.c

@@ -137,6 +137,9 @@ PxMixer *Px_OpenMixer( void *pa_stream, int index )
       return NULL;
 
    mixer = (PxInfo *)malloc(sizeof(PxInfo));
+   if (mixer == NULL)
+      return NULL;
+
    mixer->hInputMixer = NULL;
    mixer->hOutputMixer = NULL;
 

3rdparty/iaxclient/lib/unixfuncs.c

@@ -369,6 +369,8 @@ int iaxci_prioboostbegin()
 {
 	struct sched_param   schp = { 0 };
 	prioboost *b = calloc(sizeof(*b),1);
+	if (b == NULL)
+		return 1;
 
 	int result = 0;
 

3rdparty/iaxclient/lib/video.c

@@ -1285,7 +1285,8 @@ int video_recv_video(struct iaxc_call *call, int sel_call,
 	if ( !call->vdecoder )
 	{
 		call->vdecoder = create_codec(format, 0);
-		fprintf(stderr,"**** Created decoder codec %s\n",call->vdecoder->name);
+		if (call->vdecoder != NULL)
+			fprintf(stderr,"**** Created decoder codec %s\n",call->vdecoder->name);
 	}
 
 	if ( !call->vdecoder )

src/Scripting/NasalPositioned.cxx

@@ -433,7 +433,7 @@ bool geodFromHash(naRef ref, SGGeod& result)
 
 int geodFromArgs(naRef* args, int offset, int argc, SGGeod& result)
 {
-  if (offset >= argc) {
+  if (offset >= argc || !args) {
     return 0;
   }