One can use zero-sized arrays as a structure member, having disabled the
warning 4200.
Here is a real example from hw\mlx4\kernel\bus\core\cache.c:
#pragma warning( disable : 4200)
struct ib_pkey_cache {
int table_len;
__be16 table[0];
};
#pragma warning( default : 4200)
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Hal Rosenstock
> Sent: Thursday, June 12, 2008 1:17 PM
> To: Sasha Khapyorsky
> Cc: [EMAIL PROTECTED]; Vincent Ficet;
> [email protected]
> Subject: [ofw] Re: [ofa-general] Issues with _osm_lin_fwd_tbl
>
> On Thu, 2008-06-12 at 13:00 +0300, Sasha Khapyorsky wrote:
> > On 16:51 Wed 11 Jun , Vincent Ficet wrote:
> > >
> > > Also, could anyone explain why the osm_lin_fwd_tbl_t is
> declared as
> > > follows:
> > >
> > > typedef struct _osm_lin_fwd_tbl {
> > > uint16_t size;
> > > uint8_t port_tbl[1];
> > > } osm_lin_fwd_tbl_t;
> >
> > AFAIR the reason is a poor windows compiler which doesn't support
> > array[0] like definitions in structures.
>
> Yes, I too recall something being said along those lines
> quite a while ago.
>
> Is this accurate ? If so, is this still a restriction of the
> Windows compilers in use (as I think the build environment
> and perhaps the compilers have changed quite a bit since
> then) ? Can someone knowledgeable in Windows comment on this ?
>
> -- Hal
>
> > Sasha
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