Redo r240386 providing more correct information.

1 files changed, 10 insertions, 12 deletions

diff --git a/share/man/man4/ip.4 b/share/man/man4/ip.4
index e213711..e5489ae 100644
--- a/share/man/man4/ip.4
+++ b/share/man/man4/ip.4
@@ -32,7 +32,7 @@
 .\"     @(#)ip.4	8.2 (Berkeley) 11/30/93
 .\" $FreeBSD$
 .\"
-.Dd September 12, 2012
+.Dd September 20, 2012
 .Dt IP 4
 .Os
 .Sh NAME
@@ -187,21 +187,19 @@ cmsg_level = IPPROTO_IP
 cmsg_type = IP_SENDSRCADDR
 .Ed
 .Pp
-The socket should be bound to a local port.
-The socket may be bound or not bound to a local address.
-In the former case address supplied with
-.Dv IP_SENDSRCADDR
-overrides bound address.
-If the socket is bound to a local address and the address supplied with
+The socket should be either bound to
+.Dv INADDR_ANY
+and a local port, and the address supplied with
 .Dv IP_SENDSRCADDR
-is
+should't be
 .Dv INADDR_ANY ,
-then bound address is overriden via generic source address selection logic,
-which would choose IP address of interface closest to destination.
-If the socket is not bound to a local address, then address supplied with
+or the socket should be bound to a local address and the address supplied with
 .Dv IP_SENDSRCADDR
-can't be
+should be
 .Dv INADDR_ANY .
+In the latter case bound address is overriden via generic source address
+selection logic, which would choose IP address of interface closest to
+destination.
 .Pp
 For convenience,
 .Dv IP_SENDSRCADDR