Re: Invalid code in _G_config.h

[Andreas Jaeger]

"John H. Spicer" <address@hidden> writes:

> The version of _G_config.h that is included in RedHat 7.2 contains the
> following code:
>

And before that code we do an include of <gconv.h>
> typedef union
> {
>   struct __gconv_info __cd;
>   struct
>   {
>     struct __gconv_info __cd;
>     struct __gconv_step_data __data;
>   } __combined;
> } _G_iconv_t;
>
> This note the use of __gconv_info in the struct.  This is prohibited by
> the C99 standard (6.7.2.1), which says:
>
>        [#2] A structure or union shall not contain  a  member  with
>        incomplete  or  function  type (hence, a structure shall not
>        contain an instance of itself, but may contain a pointer  to
>        an  instance  of  itself),  except that the last member of a
>        structure  with  more  than  one  named  member   may   have
>        incomplete  array  type;  such  a  structure  (and any union
>        containing, possibly recursively, a member that  is  such  a
>        structure)  shall  not  be  a  member  of  a structure or an
>        element of an array.

But __gconv_info is declared in <gconv.h>.

I don't understand the problem you see, please give some more details,

Andreas
-- 
 Andreas Jaeger
  SuSE Labs address@hidden
   private address@hidden
    http://www.suse.de/~aj