Re: [PATCH][next] wireless: realtek: Replace zero-length array with flexible-array member

[Kalle Valo]

"Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> 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?

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