From: "Rémi Denis-Courmont" <remi.denis-courmont@nokia.com>
To: ext Zsolt SZALAI <zs.szalai@gmail.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: getaddrinfo - too many recvmsg calls
Date: Mon, 20 Jul 2009 10:14:17 +0300 [thread overview]
Message-ID: <200907201014.18063.remi.denis-courmont@nokia.com> (raw)
In-Reply-To: <dffc28000907200005p7effca1cif4060b15be99e84@mail.gmail.com>
On Monday 20 July 2009 10:05:56 ext Zsolt SZALAI wrote:
> The sanitycheck is now really simple, just a
> addrinfo hints = { 0, AF_INET, 0, 0, 0, NULL, NULL, NULL };
> int result = getaddrinfo(ipAddress, NULL, &hints, &addresses);
> call.
What the heck is this supposed to do?
This piece of code tries to resolve <ipAddress> as numerical IPv4 address *or*
a DNS hostname.
If you want to check that a string is a valid IP address, call inet_pton(). If
you want to check that an IP address is assigned to the system, create a
socket and bind to that address.
--
Rémi Denis-Courmont
Nokia Devices R&D, Maemo Software, Helsinki
next prev parent reply other threads:[~2009-07-20 7:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-20 7:05 getaddrinfo - too many recvmsg calls Zsolt SZALAI
2009-07-20 7:14 ` Rémi Denis-Courmont [this message]
2009-07-20 7:55 ` Eric Dumazet
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