Tidy up ringbuf and make tests

test/test_runner.c

@@ -34,6 +34,7 @@ extern Suite *ticket_lock_suite(void);
 extern Suite *restart_counter_suite(void);
 extern Suite *iomux_suite(void);
 extern Suite *iomux_signal_suite(void);
+extern Suite *ringbuf_suite(void);
 
 static suite_func suites[] = {
     bitvec_suite,
@@ -62,7 +63,8 @@ static suite_func suites[] = {
     ticket_lock_suite,
     restart_counter_suite,
     iomux_suite,
-    iomux_signal_suite
+    iomux_signal_suite,
+    ringbuf_suite
 
 };
 
@@ -105,7 +107,7 @@ main (int argc, char *argv[])
     size_t i;
 
     SRunner *sr = srunner_create (NULL);
-    if (xml_output) 
+    if (xml_output)
         srunner_set_xml(sr, "result.xml");
 
     //set the environment variable CK_FORK=no which means don't fork().
@@ -131,10 +133,10 @@ main (int argc, char *argv[])
     number_run = srunner_ntests_run(sr);
     number_failed = srunner_ntests_failed (sr);
     srunner_free (sr);
-    
+
     if (!number_run)
         puts("ERROR: no tests were run");
-    if (number_failed) 
+    if (number_failed)
         printf("ERROR: %d tests failed\n", number_failed);
 
     return (number_failed != 0) ;