dom event example: Add error check to impl call

Added error checking to virEventRegisterDefaultImpl call for consistency.

diff --git a/examples/domain-events/events-c/event-test.c b/examples/domain-events/events-c/event-test.c
index 0f7be55600c1ad6aaadb3d4714fca9dacee1c111..301caad2bd4893c89ac317acd64803f75825eed7 100644 (file)
--- a/examples/domain-events/events-c/event-test.c
+++ b/examples/domain-events/events-c/event-test.c
@@ -473,7 +473,12 @@ int main(int argc, char **argv)
         return -1;
     }
 
-    virEventRegisterDefaultImpl();
+    if (virEventRegisterDefaultImpl() < 0) {
+        virErrorPtr err = virGetLastError();
+        fprintf(stderr, "Failed to register event implementation: %s\n",
+                err && err->message ? err->message: "Unknown error");
+        return -1;
+    }
 
     virConnectPtr dconn = NULL;
     dconn = virConnectOpenAuth(argc > 1 ? argv[1] : NULL,