- error handling in SV publisher example

examples/sv_publisher/sv_publisher_example.c

@@ -31,6 +31,8 @@ main(int argc, char** argv)
 
     SVPublisher svPublisher = SVPublisher_create(NULL, interface);
 
+    if (svPublisher) {
+
         SVPublisher_ASDU asdu1 = SVPublisher_addASDU(svPublisher, "svpub1", NULL, 1);
 
         int float1 = SVPublisher_ASDU_addFLOAT(asdu1);
@@ -73,4 +75,8 @@ main(int argc, char** argv)
         }
 
         SVPublisher_destroy(svPublisher);
+    }
+    else {
+        printf("Failed to create SV publisher\n");
+    }
 }