Re: [gentoo-user] Re: memset_s

[Jorge Almeida]

On Wed, Nov 15, 2017 at 12:54 AM, Nikos Chantziaras <realnc@×××××.com> wrote:
> On 14/11/17 19:36, Jorge Almeida wrote:
>>
>> On Fri, Nov 10, 2017 at 12:09 PM, Jorge Almeida <jjalmeida@×××××.com>
>> wrote:
>>

>
> Unless you look at the assembly output, you can't be sure. Some optimization
> is done even at -O0.
>
> I'd stick to using explicit_bzero() which is safe regardless of compiler
> vendor *and* version.
>
But what about overwriting with random bytes? Having "explicit-*"
versions of whatnot seems madness. BTW, I checked the assemby,
memset() is there. But there should be way to tell the compiler "do
what I say".

Jorge