[PATCH v2] Implement non-trivial std::random_device::entropy (PR libstdc++/67578)

[Xi Ruoyao]

On 2017-05-22Monçš„ 14:50 +0100, Jonathan Wakely wrote:
> On 22/05/17 21:41 +0800, Xi Ruoyao wrote:
> > On 2017-05-22 14:00 +0100, Jonathan Wakely wrote:
> > > On 18/05/17 19:27 +0800, Xi Ruoyao wrote:
> > > > This patch use ioctl to get entropy of std::random_device using
> > > > /dev/random and /dev/urandom.
> > > 
> > > This is a nice addition, thanks.
> > > 
> > > N.B. I couldn't apply your patch, several lines had U+00A0 (i.e.
> > > NO-BREAK SPACE) characters where normal spaces should be. I don't know
> > > if this is something your mail client did, but maybe attaching the
> > > patch as a multipart message rather than including it inline in the
> > > body will prevent it in future.
> > 
> > Oh no... Â Seems my email client destroyed my patch. I'll attach the
> > patch next time. Â Please wait for PATCH v2.
> 
> OK, will do. I missed part of the required changes when adding a new
> symbol version, see the attached patch.

The new patch is attached. Â Just merged the patches you sent and fixed
the ChangeLog of gnu.ver and testsuite_abi.cc.

(For fun: Â I had mistakenly attached the Vim .swp file of the patch
and almost sent it. :-p)
-- 
Xi Ruoyao <ryxi@stu.xidian.edu.cn>
School of Aerospace Science and Technology, Xidian University
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