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Message-ID: <CAMAJcuDt6F2Rumoo=sqstWxjhVb9C9z9PS4ZPVaJN-rRb9O+5A@mail.gmail.com>
Date: Wed, 28 Jan 2015 17:02:30 -0600
From: Josiah Worcester <josiahw@...il.com>
To: musl@...ts.openwall.com
Subject: Re: thoughts on reallocarray, explicit_bzero?
On Wed, Jan 28, 2015 at 4:54 PM, Daniel Cegiełka
<daniel.cegielka@...il.com> wrote:
> 2015-01-28 23:38 GMT+01:00 Nathan McSween <nwmcsween@...il.com>:
>> How can a compiler optimize out a memory barrier?
>
> The problem is not whether to do it or not, but in the fact that the
> right solution is to use memset_s().
>
> http://en.wikichip.org/wiki/c/c11#Bounds-checking_interfaces_annex_.28Annex_K.29
memset_s inherits the typical Annex K brain damage which makes it not
at all library safe or sane to use, though.
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