[roottest] Fix some warnings on mac

Author: silverweed

roottest/cling/offset/runvbase.C

@@ -35,7 +35,7 @@ struct Bottom : public Mid1, Mid2
 #pragma warning(push)
 #pragma warning(disable : 4584)
 #endif
-#ifdef __CLING__
+#if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Winaccessible-base"
 #endif

roottest/root/io/evolution/Event_3.cxx

@@ -144,8 +144,8 @@ void Event::Build(Int_t ev, Int_t arg5, Float_t ptmin) {
   if (ev >= 10000) nch += 3;
   if (fEventName) delete [] fEventName;
   fEventName = new char[nch];
-  sprintf(fEventName,"Event%d_Run%d",ev,200);
-  sprintf(etype,"type%d",ev%5);
+  snprintf(fEventName, nch, "Event%d_Run%d",ev,200);
+  snprintf(etype, sizeof(etype), "type%d",ev%5);
   SetType(etype);
   SetHeader(ev, 200, 960312, random);
   SetNseg(Int_t(10*ntrack+20*sigmas));