Re: [boost] [UUID] version v12

Subject: Re: [boost] [UUID] version v12
From: John Bytheway (jbytheway+boost_at_[hidden])
Date: 2008-10-13 17:05:14

Andy Tompkins wrote:
> Hi Mathias,
> 
> On Thu, 09 Oct 2008 12:54:52 +0200, "Mathias Gaunard"
> <mathias.gaunard_at_[hidden]> said:
>> Atry wrote:
>>> Hi Andy,
>>> I saw the source code in seed_rng.hpp, I found you use an
>>> uninitialized buffer[] if fopen fails.
>> As a side note, would it be possible to use hooks or something so that 
>> reading that uninitialized memory doesn't generate errors with memory 
>> checking tools such as valgrind?
>>
> 
> I assume it would be possible, and I'm quite open to the idea.  Do you
> have any suggestions on how to do this?

Valgrind provides macros to do this sort of thing.  I think you'd want
VALGRIND_MAKE_MEM_DEFINED from valgrind's memcheck.h.  I assume you
don't want to make the UUID library depend on valgrind headers, though...

John Bytheway