[dpdk-dev] [PATCH] eal: fix type of pointer arithmetic result

Adrien Mazarguil adrien.mazarguil at 6wind.com
Fri Jul 26 14:12:44 CEST 2013


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 at 6wind.com>
> ---
>  lib/librte_eal/common/include/rte_common.h |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>

-- 
Adrien Mazarguil
6WIND


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