Date: Mon, 05 Aug 2013 07:05:07 +0000 From: Poul-Henning Kamp <phk@phk.freebsd.dk> To: arch@freebsd.org Subject: sockaddr API question Message-ID: <41764.1375686307@critter.freebsd.dk>
next in thread | raw e-mail | index | archive | help
The theoretical variant of the question: Where the length of a sockaddr must be passed to an API, library or kernel, is it _always_ legal for the length to be larger than the relevant subtype of struct sockaddr ? The practical variant of the question: Can I just use struct sockaddr_storage all over the place and give sizeof(struct sockaddr_storage) to sockaddr_len arguments ? PS: Yes, I realize that there will be inefficiencies related to moving more data than required, the question is only if it is safe, not if it is a good idea. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?41764.1375686307>