add audible output to ping and ping6: -e beeps when pings are replied, -E beeps when

pings are dropped.

suggestion to make ping and ping6 use the same flag from deraadt & sthen.
reminder to not forget about ping6 from todd and naddy.

ok deraadt, sthen
"well, i don't object..." from a few others.

1 files changed, 15 insertions, 15 deletions

diff --git a/sbin/ping6/ping6.8 b/sbin/ping6/ping6.8
index 25cc4fa7795..17049b1d379 100644
--- a/sbin/ping6/ping6.8
+++ b/sbin/ping6/ping6.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ping6.8,v 1.39 2007/06/23 16:15:18 itojun Exp $
+.\"	$OpenBSD: ping6.8,v 1.40 2009/05/31 17:33:39 ckuethe Exp $
 .\"	$KAME: ping6.8,v 1.57 2002/05/26 13:18:25 itojun Exp $
 .\"
 .\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -28,7 +28,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 23 2007 $
+.Dd $Mdocdate: May 31 2009 $
 .Dt PING6 8
 .Os
 .Sh NAME
@@ -36,10 +36,7 @@
 .Nd send ICMPv6 ECHO_REQUEST packets to network hosts
 .Sh SYNOPSIS
 .Nm ping6
-.\" without ipsec, or new ipsec
-.Op Fl dfHmNnqtvWw
-.\" old ipsec
-.\" .Op Fl AdEfnNqRtvwW
+.Op Fl dEefHmNnqtvWw
 .Op Fl a Ar addrtype
 .Op Fl b Ar bufsiz
 .Op Fl c Ar count
@@ -49,8 +46,6 @@
 .Op Fl i Ar wait
 .Op Fl l Ar preload
 .Op Fl p Ar pattern
-.\" new ipsec
-.\".Op Fl P Ar policy
 .Op Fl S Ar sourceaddr
 .Op Fl s Ar packetsize
 .Op Ar hops ...
@@ -71,10 +66,6 @@ ICMPv6
 header formatted as documented in RFC 2463.
 The options are as follows:
 .Bl -tag -width Ds
-.\" old ipsec
-.\" .It Fl A
-.\" Enables transport-mode IPsec authentication header
-.\" .Pq experimental .
 .It Fl a Ar addrtype
 Generate an ICMPv6 Node Information Node Addresses query,
 rather than an echo-request.
@@ -115,9 +106,18 @@ packets.
 Set the
 .Dv SO_DEBUG
 option on the socket being used.
-.\" .It Fl E
-.\" Enables transport-mode IPsec encapsulated security payload
-.\" .Pq experimental .
+.It Fl E
+Emit an audible beep (by sending an ascii BEL character to the
+standard error output) when no packet is received before the next
+packet is transmitted.
+To cater for round-trip times that are longer than the interval
+between transmissions, further missing packets cause a bell only
+if the maximum number of unreceived packets has increased.
+This is disabled for flood pings.
+.It Fl e
+Emit an audible beep (by sending an ascii BEL character to the
+standard error output) after each non-duplicate response is received.
+This is disabled for flood pings.
 .It Fl f
 Flood ping.
 Outputs packets as fast as they come back or one hundred times per second,