Subject: Re: struct ucred changed.
To: David Laight <David.Laight@btinternet.com>
From: Todd Vierling <firstname.lastname@example.org>
Date: 11/29/2001 12:11:20
On Thu, 29 Nov 2001, David Laight wrote:
: Aren't uid_t and gid_t 32 bit?
: If so you (probably) haven't changed the alignment!
Depends on the system. For instance, m68k a.out compat aligns structs and
32-bit objects on a 16-bit boundary. (m68k ELF raises this to 32 bits,
but m68k a.out compat is still afflicted.)
: If the 'ucred' structure is zero'd on creation a little-endian
: system won't see a difference.
: But you will have changed the values seen on a big-endian system.
...the latter of which is quite important for cr_ngroups from userland.
-- Todd Vierling <email@example.com> * Wasabi & NetBSD: Run with it.
-- CDs, Integration, Embedding, Support -- http://www.wasabisystems.com/