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For non-AF_LINK ifaddrs, ifa_data is NULL. AFAICT, this has always been 

so.  Say so in the documentation.
This commit is contained in:
dyoung 2009-04-21 23:27:09 +00:00
parent e4decce5b3
commit c378e7997c
1 changed files with 2 additions and 5 deletions
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7
lib/libc/net/getifaddrs.3
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@ -1,4 +1,4 @@
.\" $NetBSD: getifaddrs.3,v 1.9 2009/03/11 13:35:42 joerg Exp $
.\" $NetBSD: getifaddrs.3,v 1.10 2009/04/21 23:27:09 dyoung Exp $
.\" BSDI getifaddrs.3,v 2.5 2000/02/23 14:51:59 dab Exp
.\"
.\" Copyright (c) 1995, 1999
@ -115,10 +115,7 @@ addresses it contains a pointer to the
.Fa struct if_data
.Pq as defined in include file Aq Pa net/if.h
which contains various interface attributes and statistics.
For all other address families, it contains a pointer to the
.Fa struct ifa_data
.Pq as defined in include file Aq Pa net/if.h
which contains per-address interface statistics.
For all other address families, it is NULL.
.Pp
The data returned by
.Fn getifaddrs