[PATCH] nss: Use gethostbyname4_r when requesting IPv6 addresses (bug 14413)

[Patrick Griffis]

On 2025-10-08 08:47, Adhemerval Zanella Netto wrote:
> This seems to triggers regressions on CI [1].
> 
> [1] https://www.delorie.com/trybots/32bit/52756/nss-tst-nss-files-hosts-multi.out

You could argue this behavior is correct. `EAI_NODATA` means the address
exists but has no address
which is indeed the case for www4.example.org when looking up an IPv6
address.

I assume it is best to not change behavior though and its inconsistent
with IPv4 now, so I'll
fix that.