[PATCH v3] getrandom system call wrapper [BZ #17252]

[Andreas Schwab]

On Sep 08 2016, Florian Weimer <fweimer@redhat.com> wrote:

> On 09/08/2016 03:01 PM, Andreas Schwab wrote:
>> On Sep 08 2016, Florian Weimer <fweimer@redhat.com> wrote:
>>
>>> I have retained the __getrandom symbol mangling.  The justification for
>>> that is that getrandom is a fairly common name.  Application code might
>>> use it for something else entirely and interpose their definition, so that
>>> libraries cannot rely on it doing the right thing.  I think the mangling
>>> is justified because it is hard to spot that getrandom is broken due to
>>> interposition.  As <sys/random.h> is a new header, the macro will be
>>> exposed to few applications.
>>
>> It makes it impossible to take the address of the function, though.
>
> It does.  Do you have a better suggestion to achieve the same effect?

If getrandom is ever standardized be POSIX this will have to be reverted
anyway.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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