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Message-ID: <87lfoi7uo1.fsf@codeaurora.org>
Date:   Mon, 02 Mar 2020 15:28:30 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Jes Sorensen <Jes.Sorensen@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Yan-Hsuan Chuang <yhchuang@...ltek.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] wireless: realtek: Replace zero-length array with flexible-array member

"Gustavo A. R. Silva" <gustavo@...eddedor.com> writes:

> The current codebase makes use of the zero-length array language
> extension to the C90 standard, but the preferred mechanism to declare
> variable-length types such as these ones is a flexible array member[1][2],
> introduced in C99:
>
> struct foo {
>         int stuff;
>         struct boo array[];
> };
>
> By making use of the mechanism above, we will get a compiler warning
> in case the flexible array does not occur last in the structure, which
> will help us prevent some kind of undefined behavior bugs from being
> inadvertently introduced[3] to the codebase from now on.

Preferred by who exactly?

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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