advapi32: implement LsaLookupSids

[Alexandre Julliard]

Aric Stewart <aric at codeweavers.com> writes:

> +    {
> +        name_size = domain_size = 0;
> +        (*Names)[i].Use = SidTypeUnknown;
> +        (*Names)[i].DomainIndex = -1;
> +        (*Names)[i].Name.Length = 0;
> +        (*Names)[i].Name.MaximumLength = 0;
> +        (*Names)[i].Name.Buffer = NULL;
> +        LookupAccountSidW(NULL, Sids[i], NULL, &name_size, NULL, &domain_size, &use);
> +        if (GetLastError() != ERROR_NONE_MAPPED)
> +        {

You need to check the function return for failure first, though what you
probably want is to check that it succeeded.

-- 
Alexandre Julliard
julliard at winehq.org