Date: 04 Aug 1999 19:13:30 +0200 From: Assar Westerlund <assar@sics.se> To: "Brian F. Feldman" <green@FreeBSD.org> Cc: Mike Smith <mike@smith.net.au>, Matthew Dillon <dillon@apollo.backplane.com>, Ollivier Robert <roberto@keltia.freenix.fr>, hackers@FreeBSD.org Subject: Re: Jail syscalls Message-ID: <5lpv13o4ed.fsf@assaris.sics.se> In-Reply-To: "Brian F. Feldman"'s message of "Wed, 4 Aug 1999 12:59:44 -0400 (EDT)" References: <Pine.BSF.4.10.9908041251530.55682-100000@janus.syracuse.net>
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"Brian F. Feldman" <green@FreeBSD.org> writes:
> As I read it, sockaddr is a transparent type (overloaded, as it were).
> So we would use something like:
> struct jail {
> ...
> struct sockaddr;
> char [SOCK_MAXADDRLEN - sizeof(struct sockaddr)];
> char [sizeof(int) - SOCK_MAXADDRLEN % sizeof(int)];/* padding */
> ...
> }
Yes, that would work, as would:
union {
struct sockaddr sa;
struct sockaddr_storage ss;
} u;
I was just trying to say that not all socket addresses fit into a
`struct sockaddr' but they should fit into a `struct
sockaddr_storage'.
/assar
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