safeguard against circuit not being abvailable,

avoid crash
4 years ago · 519ce44227
1 changed files with 4 additions and 1 deletions
--- a/src/xspice/evt/evtsetup.c
+++ b/src/xspice/evt/evtsetup.c
@ -627,8 +627,11 @@ int EVTswitch_plot(CKTcircuit* ckt, const char* plottypename) {
    Evt_Job_t* jobs;
    Evt_Data_t* data;

+    if (!ckt)
+        return (E_NOTFOUND);
+
    if (ckt->evt->counts.num_insts == 0)
-        return(OK);
+        return(E_NOTFOUND);

    jobs = &(ckt->evt->jobs);
    data = &(ckt->evt->data);