From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date: Sat, 24 Jul 2010 15:27:37 GMT
Subject: Re: [PATCH] Cast execl*() NULL sentinels to (char *)
Message-ID: <AANLkTimxB-n4oq-5XUSK5XwEXLnwLsakyuryNlUnghJr@mail.gmail.com>
In-Reply-To: <00564b8ba93617801bb78b4a0ec67784e597d02a.1279983892.git.trast@student.ethz.ch>

On Sat, Jul 24, 2010 at 15:20, Thomas Rast <trast@student.ethz.ch> wrote:
> The NULL sentinel argument to the execl*() family of calls must be
> cast to (char *), as otherwise:
>
> - platforms where NULL is just 0 (not (void *)) would pass an int
>
> - (admittedly esoteric) platforms where NULL is (void *)0 and (void *)
>  and (char *) have different memory layouts would pass the wrong kind
>  of pointer
>
> Signed-off-by: Thomas Rast <trast@student.ethz.ch>

Nice that you got around to this after I inadvertently pointed it out
in another thread.

Acked.