Re: freeaddrinfo2 changes.

Поиск
Список
Период
Сортировка
От Kurt Roeckx
Тема Re: freeaddrinfo2 changes.
Дата
Msg-id 20030609171834.GA31247@ping.be
обсуждение исходный текст
Ответ на Re: freeaddrinfo2 changes.  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: freeaddrinfo2 changes.  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Mon, Jun 09, 2003 at 10:09:20AM -0400, Tom Lane wrote:
> Kurt Roeckx <Q@ping.be> writes:
> > I just saw in the cvs web that you changed freeaddrinfo2 to not
> > have the hint af anymore, and use the one from the struct addrinfo
> > itself.
> 
> > This can break things.  If you called getaddrinfo2() with
> > AF_UNSPEC, the version from the system can return an AF_UNIX
> > socket.  For instance glibc 2.1 will do that.
> 
> If this is broken then it's probably not the only problem --- we rely on
> sa.sa_family in other places.

sa.sa_family is not the problem itself, the problem is that if
you use getaddrinfo with AF_UNSPEC, you can get more than replies
with more than 1 address family. You will get atleast AF_INET,
AF_INET6 if they exist for what you request, and maybe AF_UNIX or
even others.



Kurt



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andrew Piskorski
Дата:
Сообщение: native bi-temporal support?
Следующее
От: Tom Lane
Дата:
Сообщение: Re: freeaddrinfo2 changes.