single-verbose.patch

diff -up nc110/netcat.c.2~ nc110/netcat.c
--- nc110/netcat.c.2~	2025-01-25 18:20:48.973444838 +0100
+++ nc110/netcat.c	2025-01-25 18:22:51.418910963 +0100
@@ -2302,6 +2302,11 @@ Debug (("netfd %d from port %d to port %
 /* if we're scanning at a "one -v" verbosity level, don't print refusals.
    Give it another -v if you want to see everything. */
 	if ((Single || (o_verbose > 1)) || (errno != ECONNREFUSED)) {
+          /* bug 65413 - if we're not scanning, (and if we're not doing
+           * zero-io! see bug 247895) we always want an error to be printed
+           * for refused connects. This is a disgustingly ugly way to do it;
+           * I really should just rewrite the holler() interface... */
+          if (Single && !o_zero) o_verbose++;
 #ifdef INET6
 	  if (want6)
 	    holler ("%s [%s] %d (%s)",
@@ -2310,6 +2315,7 @@ Debug (("netfd %d from port %d to port %
 #endif
 	    holler ("%s [%s] %d (%s)",
 	      whereto->name, whereto->addrs[0], curport, portpoop->name);
+	  if (Single && !o_zero) o_verbose--;
 	}
       } /* if netfd */
       close (netfd);			/* just in case we didn't already */