Re: [Xen-devel] [Qemu-devel] [PATCH] compiler: add a sizeof_field() macro

[Stefan Hajnoczi <stefanha@xxxxxxxxx>]

On Thu, Jun 14, 2018 at 9:33 PM, Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> wrote:
> On 06/14/2018 04:17 PM, John Snow wrote:
>> On 06/14/2018 12:44 PM, Stefan Hajnoczi wrote:
>>> Determining the size of a field is useful when you don't have a struct
>>> variable handy.  Open-coding this is ugly.
>>>
>>> This patch adds the sizeof_field() macro, which is similar to
>>> typeof_field().  Existing instances are updated to use the macro.
>>>
>>> Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
>>
>> How'd you find all the existing instances?
>
> This works:
>
> $ git grep -E 'sizeof.*)0)->'

Yes, I used a similar grep command-line.

I also checked for "sizeof.*)NULL" but nothing uses that syntax.

Stefan

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel