Re: [RFC, PATCH] shrink struct vectorlike_header #2

[Stefan Monnier <monnier@IRO.UMontreal.CA>]

> +/* When V is on the free list, first word after header is
> +   used as a pointer to next vector on the free list.  */
> +
> +#define NEXT_IN_FREE_LIST(v)				\
> +  (*(struct Lisp_Vector **)((char *) v + header_size))
> +
>  /* Common shortcut to setup vector on a free list.  */

Why change the comment rather than the code.  IOW what don't you like in:

   Please make the code match the comment, e.g:
     (*(struct Lisp_Vector **)&(v->contents[0]))

I personally find it much more elegant and robust than doing pointer
arithmetic via conversion to char*.

The rest looks fine, tho it still probably lacks the corresponding
changes in .gdbinit, right?


        Stefan