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From: Alejandro Vallejo <alejandro.vallejo@cloud.com>
To: Olaf Hering <olaf@aepfle.de>
Cc: Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH] tools: Remove all DECLARE_* op macros in xc
Date: Mon, 6 Nov 2023 11:28:46 +0000	[thread overview]
Message-ID: <6548cdf1.050a0220.f6f91.6db5@mx.google.com> (raw)
In-Reply-To: <20231106115852.31df968d.olaf@aepfle.de>

Hi,

On Mon, Nov 06, 2023 at 11:58:52AM +0100, Olaf Hering wrote:
> Mon,  6 Nov 2023 08:19:46 +0000 Alejandro Vallejo <alejandro.vallejo@cloud.com>:
> 
> > +    struct xen_sysctl sysctl = {0};
> 
> What is that zero doing here?

Some context:
  https://gcc.gnu.org/legacy-ml/gcc/2019-07/msg00066.html

{0} is the standardized form of zero-initialization. I don't mind terribly
using either, but {} requires an extra extension.

> I think a plain {} will do it as well.
> 
> 
> Olaf

It would, but only on compilers implementing GNU C extensions.

Thanks,
Alejandro


  reply	other threads:[~2023-11-06 11:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-06  8:19 [PATCH] tools: Remove all DECLARE_* op macros in xc Alejandro Vallejo
2023-11-06 10:58 ` Olaf Hering
2023-11-06 11:28   ` Alejandro Vallejo [this message]
2023-11-06 11:29   ` Andrew Cooper
2023-11-06 13:13     ` Alejandro Vallejo
2023-11-06 13:54       ` Jan Beulich

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