$OpenBSD: patch-service_scan_cc,v 1.4 2018/04/08 21:02:45 jca Exp $

Index: service_scan.cc
--- service_scan.cc.orig
+++ service_scan.cc
@@ -871,7 +871,7 @@ static char *substvar(char *tmplvar, char **tmplvarend
         val = (val<<8) + subject[i];
       }
     }
-    buflen = Snprintf(buf, sizeof(buf), "%lu", val);
+    buflen = Snprintf(buf, sizeof(buf), "%llu", val);
     if (buflen < 0 || buflen > (int) sizeof(buf)) {
       return NULL;
     }
