Re: [bug-gnulib] Incomplete getaddrinfo module

[Bruno Haible]

Yoann Vandoorselaere wrote:
> The getaddrinfo module in GnuLib will often result in broken application
> behavior because it is really a simple replacement which fail to handle
> very common getaddrinfo usage pattern.
>
> A common example of why it might fail is:
>
>   if (hints && (hints->ai_flags & ~AI_CANONNAME))
>     /* FIXME: Support more flags. */
>     return EAI_BADFLAGS;

If you say which flags your application needs to work, maybe Simon can
do something about it?

> This is not right since it tend to break application that trust the
> GnuLib module to provide a viable getaddrinfo replacement.

I agree. If we provide a function in gnulib, it should attempt to be an as
complete replacement for the standard one as possible.

> What is people opinion concerning an eventual drop of the current module
> to replace it by the GLIBC implementation ?

Have you looked at the glibc implementation of getaddrinfo? It's impossible.
There's no way to make __nss_database_lookup work in the scope of gnulib.

Bruno