Date: Tue, 4 Aug 1998 20:29:49 -0400 (EDT) From: Charles Youse <cyouse@artemis.syncom.net> To: Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr> Cc: FreeBSD Hackers <freebsd-hackers@FreeBSD.ORG> Subject: Re: C and static initialization with unions Message-ID: <Pine.NEB.3.96.980804202802.17173A-100000@artemis.syncom.net> In-Reply-To: <19980804185938.36803@breizh.prism.uvsq.fr>
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On Tue, 4 Aug 1998, Nicolas Souchu wrote:
> union foo_t {
> int i;
> char c;
> void *p;
> };
>
> static union foo_t bar = { (void *)&anyvar };
If you wish to initialize these unions using void pointers, then the void
pointer element comes first. Otherwise, you're stuck using casts, which
aren't necessarily safe.
C dictates that union initializations take the form of the first member of
the union.
Chuck
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