Fix crash when invalid plugin URIs are used.

git-svn-id: http://svn.drobilla.net/lad/trunk/jalv@4614 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 4 insertions, 2 deletions

diff --git a/src/jalv.c b/src/jalv.c
index 74ea4bd..5cbd0f9 100644
--- a/src/jalv.c
+++ b/src/jalv.c
@@ -881,8 +881,10 @@ main(int argc, char** argv)
 		plugin_uri = lilv_node_duplicate(lilv_state_get_plugin_uri(state));
 	} else if (argc > 1) {
 		plugin_uri = lilv_new_uri(world, argv[argc - 1]);
-	} else {
-		fprintf(stderr, "Missing plugin URI parameter\n");
+	}
+
+	if (!plugin_uri) {
+		fprintf(stderr, "Missing plugin URI, try lv2ls to list plugins\n");
 		return EXIT_FAILURE;
 	}