From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] eal: fix type of pointer arithmetic result
Date: Fri, 26 Jul 2013 14:12:44 +0200 [thread overview]
Message-ID: <20130726121244.GK7849@6wind.com> (raw)
In-Reply-To: <1374838440-21429-1-git-send-email-thomas.monjalon@6wind.com>
On Fri, Jul 26, 2013 at 01:34:00PM +0200, Thomas Monjalon wrote:
> Adding or subtracting a value to a pointer makes a new pointer
> of unknown type.
> So typeof() is replaced by (void*) in RTE_PTR_ADD() and RTE_PTR_SUB().
>
> But RTE_PTR_ALIGN_* macros have in their explicit API to return a pointer
> of the same type. Since RTE_PTR_ALIGN_CEIL is based on RTE_PTR_ADD, a
> typeof() is added to keep the original behaviour.
>
> Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
> ---
> lib/librte_eal/common/include/rte_common.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
--
Adrien Mazarguil
6WIND
next prev parent reply other threads:[~2013-07-26 12:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 11:34 Thomas Monjalon
2013-07-26 12:12 ` Adrien Mazarguil [this message]
2013-07-26 13:21 ` Thomas Monjalon
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