Re: Bug#285396: [ARM] wide chars don't work
Keith Packard wrote on 12 Jan 2005 00:03:31 +0100:
> No, Xlib assumes that the alignment of the struct or union is the alignment
> of the most restrictive element in that struct or union. Before ANSI C
> (note, not C99, but the original ANSI C which postdates Xlib), this was the
> way C worked. That ANSI C permits more 'flexible' layout is an ABI
> incompatible change between K&R and ANSI C.
Couldn't that assumption in the Xlib be removed using the real size of
the structure ?
> We're talking here about a struct containing two chars. On almost every
> machine we've seen, save the ARM, this is two bytes. Would a structure
> containing an array of two bytes also be padded to four bytes on this
Yes, in both cases the resulting structure has a size of 4 bytes.