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Date: Thu, 09 Feb 2012 12:58:40 -0700
From: Eric Blake <eblake AT redhat DOT com>
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Subject: Re: <sys/sysmacros.h> is broken
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On 02/09/2012 03:26 AM, Corinna Vinschen wrote:
> On Feb  8 19:41, Howland Craig D (Craig) wrote:
>> Eric:
>>      I suggest adding a brief comment explaining the need for the
>> static.
>>      (For the lists, we had a brief off-list discussion, where Eric
>> quoted
>> C99 section 6.2.2 paragraph 5 and section 6.7.4 paragraph 6.  Together
>> they give the details needed for understanding.  In short, the compiler
>> can
>> choose not to in-line the function, but without the static it would emit
>> an
>> external function call--which can fail at link if that function does not
>> exist.  With the static, it can still choose to not in-line, but is
>> required
>> to provide a local function call within that translation unit.  I
>> apologize
>=20
> Adding such a comment sounds like a good idea.  With this change the
> patch s ok to go in, Eric.

Done.

--=20
Eric Blake   eblake AT redhat DOT com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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