show what went wrong with a unix domain socket, rather than fail silently

handy if you type the path wrong or don't have permission...

ok deraadt@

1 files changed, 4 insertions, 2 deletions

diff --git a/src/usr.bin/nc/netcat.c b/src/usr.bin/nc/netcat.c
index 3798dc760f..9ce2b6bb7a 100644
--- a/src/usr.bin/nc/netcat.c
+++ b/src/usr.bin/nc/netcat.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.195 2018/10/04 17:04:50 bluhm Exp $ */
+/* $OpenBSD: netcat.c,v 1.196 2018/10/26 07:19:26 dlg Exp $ */
 /*
  * Copyright (c) 2001 Eric Jackson <ericj@monkey.org>
  * Copyright (c) 2015 Bob Beck.  All rights reserved.
@@ -639,8 +639,10 @@ main(int argc, char *argv[])
                         if (!zflag)
                                 readwrite(s, NULL);
                         close(s);
-                } else
+                } else {
+                        warn("%s", host);
                         ret = 1;
+                }
 
                 if (uflag)
                         unlink(unix_dg_tmp_socket);