On Tue, 24 Mar 2009, Gabriel Dos Reis wrote: > > I see nothing about passing by value different from structure assignment, > > which ignores the flexible array member (see 6.7.2.1 paragraph 22 (in > > N1256) for an example stating this). Although argument passing and return > > aren't strictly assignments, they generally act in the same way, so such a > > structure passed by value or used as a function return value loses the > > flexible array members in the process. > > This strikes me as dangerous and mostly useless. I would have > expected an error.
I've now raised the question on the WG14 list, but I'd expect consistency with assignment. Another case that should be covered in compat testcases is passing such a structure to a variadic function and retrieving it with va_arg; again, this would ignore the flexible array member. -- Joseph S. Myers jos...@codesourcery.com
