From: Joe Perches <joe@perches.com>
To: Cong Wang <amwang@redhat.com>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: [Patch net-next 0/7] net: introduce generic type and helpers for IP address
Date: Mon, 22 Jul 2013 19:16:14 -0700 [thread overview]
Message-ID: <1374545774.8308.5.camel@joe-AO722> (raw)
In-Reply-To: <1374544823.24933.1.camel@cr0>
On Tue, 2013-07-23 at 10:00 +0800, Cong Wang wrote:
> On Mon, 2013-07-22 at 13:44 -0700, Joe Perches wrote:
> >
> > I see no reason why vsprint's support for
> > "struct sockaddr *" %pIS should be removed.
> >
> > %pIS and %pIA can both exist.
> Because there is no need to keep both of them, struct sockaddr can be
> safely converted to union inet_addr.
That's a bit fragile.
The cost of keeping %pIS is pretty low.
Also, if there is ever a check for %p<type>,
then using:
struct sockaddr *foo = bar;
...
snprintf(buf, len, "%pIA", foo)
would need foo to be cast first to union inet_addr *
snprintf(buf, len, "%pIA", (union inet_addr *)foo);
next prev parent reply other threads:[~2013-07-23 2:16 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 7:05 [Patch net-next 0/7] net: introduce generic type and helpers for IP address Cong Wang
2013-07-22 7:05 ` [Patch net-next 1/7] net: introduce generic union inet_addr Cong Wang
2013-07-22 7:05 ` [Patch net-next 2/7] net: introduce generic simple_inet_pton() Cong Wang
2013-07-22 7:05 ` [Patch net-next 3/7] inetpeer: use generic union inet_addr Cong Wang
2013-07-22 15:18 ` Eric Dumazet
2013-07-23 2:05 ` Cong Wang
2013-07-23 2:26 ` Eric Dumazet
2013-07-23 3:38 ` Cong Wang
2013-07-22 7:05 ` [Patch net-next 4/7] sunrpc: " Cong Wang
[not found] ` <1374476713-8838-5-git-send-email-amwang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-07-23 16:40 ` J. Bruce Fields
[not found] ` <20130723164051.GE12569-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2013-07-25 12:34 ` Cong Wang
2013-07-25 12:54 ` J. Bruce Fields
2013-07-22 7:05 ` [Patch net-next 5/7] fs: use generic union inet_addr and help functions Cong Wang
2013-07-22 7:05 ` [Patch net-next 6/7] sctp: use generic union inet_addr Cong Wang
2013-07-22 7:05 ` [Patch net-next 7/7] selinux: " Cong Wang
2013-07-22 20:36 ` Paul Moore
2013-07-23 2:07 ` Cong Wang
2013-07-22 20:44 ` [Patch net-next 0/7] net: introduce generic type and helpers for IP address Joe Perches
2013-07-23 2:00 ` Cong Wang
2013-07-23 2:16 ` Joe Perches [this message]
2013-07-23 2:26 ` Cong Wang
2013-07-24 21:28 ` David Miller
2013-07-25 12:30 ` Cong Wang
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