Author: Gareth McCaughan
Date: 16:45:14 06/26/00
Go up one level in this thread
On June 26, 2000 at 17:10:40, Gian-Carlo Pascutto wrote:
> I'm wondering whether the following code is legal ANSI C:
>
> typedef struct {
> int from;
> int target;
> int captured;
> int cap_num;
> union
> {
> unsigned int castled:4, was_promoted:1, ep:1, promoted:4;
> unsigned int xx;
> };
> } move_s;
No. ANSI C doesn't do that sort of anonymous union. (C++ does.)
> I suppose one way to fix this would be to name the union, but that
> would require all code which uses the castled, was_promoted, ...
> fields to be rewritten...not a nice prospect.
You should do that, even so. Can't you write a perl script or something
similar to do most of the work? (If you have other structs or unions
with members called castled, was_promoted, ep, promoted, or xx,
then it will be a little harder.)
--
g
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