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Date: Tue, 10 Oct 2017 23:40:15 +0200
From: Jens Gustedt <jens.gustedt@...ia.fr>
Cc: musl@...ts.openwall.com
Subject: Re: [PATCH] stdio: implement fopencookie(3)
Hello Rich,
On Tue, 10 Oct 2017 16:56:54 -0400 Rich Felker <dalias@...c.org> wrote:
> Also note that while standard functions in POSIX can additionally be
> defined as function-like macros, they can't be object-like macros, so
> (*read), etc. are safe due to the parentheses.
They would only be safe in the header. They are not safe on the using
side, I think. Something like
toto->read = whatever;
or
*toto = (cookie_io_functions_t){ .read = another, }
can't be protected by parenthesis.
Thanks
Jens
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