suricata: RunUnittests now return void

RunUnittests function is now a terminal function (calling exit
before leaving).

src/runmode-unittests.c

@@ -118,7 +118,16 @@
 void RegisterAllModules();
 void TmqhSetup (void);
 
-int RunUnittests(int list_unittests, char *regex_arg)
+/**
+ * Run or list unittests
+ *
+ * \param list_unittests If set to 1, list unittests. Run them if set to 0.
+ * \param regex_arg A regular expression to select unittests to run
+ *
+ * This function is terminal and will call exit after being called.
+ */
+
+void RunUnittests(int list_unittests, char *regex_arg)
 {
 #ifdef UNITTESTS
     /* Initializations for global vars, queues, etc (memsets, mutex init..) */

src/suricata.c

@@ -1821,13 +1821,7 @@ int StartInternalRunMode(SCInstance *suri, int argc, char **argv)
             RunModeListRunmodes();
             return TM_ECODE_DONE;
         case RUNMODE_LIST_UNITTEST:
-            {
-                int ret = RunUnittests(1, suri->regex_arg);
-                if (ret == TM_ECODE_OK)
-                    return TM_ECODE_DONE;
-                else
-                    return ret;
-            }
+            RunUnittests(1, suri->regex_arg);
 #ifdef OS_WIN32
         case RUNMODE_INSTALL_SERVICE:
             if (SCServiceInstall(argc, argv)) {
@@ -2159,7 +2153,7 @@ int main(int argc, char **argv)
     }
 
     if (suri.run_mode == RUNMODE_UNITTEST)
-        return RunUnittests(0, suri.regex_arg);
+        RunUnittests(0, suri.regex_arg);
 
 #ifdef __SC_CUDA_SUPPORT__
     /* Init the CUDA environment */