Re: unix.h: sa_family and select() issues

[David Evans]

Thanks, you are correct.  The sa_len field should be removed (as SUS
implementations are not required to provide it).

These problems will be fixed in the next release.

--- Dave

On 25 May 2002, Enrico Scholz wrote:

> Hello,
>
> lib/unix.h declares
>
> | struct sockaddr {
> |        u_char  sa_len;                 /* total length */
> |        u_char  sa_family;              /* address family */
>          ~~~~~~
>
> but SUSv3 suggests in [1] a declaration like
>
> | struct sockaddr {
> |        u_char       sa_len;            /* total length */
> |        sa_family_t  sa_family;         /* address family */
>
> I am not sure about the handling of 'sa_len'; this attribute is neither
> mentioned in SUSv3 nor used by the GNU glibc and dietlibc.
>
>
> Another conflict is caused by select(); SUSv3 allows the timeout to be
> NULL, but the @null@ flags is missing in unix.h:
>
> | select (..., fd_set /*@null@*/ *e, struct timeval *t)
>                                                   ~~~
>
>
>
> Enrico
>
> Footnotes:
> [1]  http://www.opengroup.org/onlinepubs/007904975/basedefs/sys/socket.h.html
>
>
>