current make world brakes if HESIOD enabled

[Daniel Braniss]

> On 3 Apr 2021, at 20:22, Warner Losh <imp at bsdimp.com> wrote:
> 
> What's the error if you don't have these extra uintptr_t casts?

--- getgrent.o ---                                                                                                                                                                                                                       
*** [getgrent.o] Error code 1                                                                                                                                                                                                     

make[4]: stopped in /h/rnd/git/stable/13/lib/libc                                                                                                                                                                        
--- getpwent.o ---                                                                                                                                                                                                                      
/h/rnd/git/stable/13/lib/libc/gen/getpwent.c:1111:8: error: cast to smaller integer type 'enum nss_lookup_type' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]                                                                                                 
       how = (enum nss_lookup_type)mdata;                                                                                                                                                                             
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~                                                                                                                                                                            
1 error generated.                                                 
> 
> Warner
> 
> On Sat, Apr 3, 2021 at 12:18 AM Daniel Braniss <danny at cs.huji.ac.il <mailto:danny at cs.huji.ac.il>> wrote:
> I must be the last person on earth to use Hesiod :-)
> this are the diffs:
> 
> diff --git a/lib/libc/gen/getgrent.c b/lib/libc/gen/getgrent.c
> index afb89cab3..5832cb8c6 100644
> --- a/lib/libc/gen/getgrent.c
> +++ b/lib/libc/gen/getgrent.c
> @@ -971,7 +971,7 @@ dns_group(void *retval, void *mdata, va_list ap)
>         hes = NULL;
>         name = NULL;
>         gid = (gid_t)-1;
> -       how = (enum nss_lookup_type)mdata;
> +       how = (enum nss_lookup_type)(uintptr_t)mdata;
>         switch (how) {
>         case nss_lt_name:
>                 name = va_arg(ap, const char *);
> diff --git a/lib/libc/gen/getpwent.c b/lib/libc/gen/getpwent.c
> index a07ee109e..bc1d341fd 100644
> --- a/lib/libc/gen/getpwent.c
> +++ b/lib/libc/gen/getpwent.c
> @@ -1108,7 +1108,7 @@ dns_passwd(void *retval, void *mdata, va_list ap)
>         hes = NULL;
>         name = NULL;
>         uid = (uid_t)-1;
> -       how = (enum nss_lookup_type)mdata;
> +       how = (enum nss_lookup_type)(uintptr_t)mdata;
>         switch (how) {
>         case nss_lt_name:
>                 name = va_arg(ap, const char *);
> 
> 
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