[libvirt] [PATCH] util: Fix build with clang

[Ján Tomko]

On Fri, Dec 09, 2016 at 11:18:32AM +0000, Daniel P. Berrange wrote:
>On Fri, Dec 09, 2016 at 11:52:43AM +0100, Martin Kletzander wrote:
>> When compiling with clang on Linux, it complains that "passing an
>> object that undergoes default argument promotion to 'va_start' has
>> undefined behavior".  That is true according to the C standard,
>> although I couldn't find any mention about enum->int promotion (even
>> though it's a sensible one).  The only fix I came up with was changing
>> the layer parameter to int so that it does not undergo any default
>> argument promotion.
>
>Can we not just cast 'layer' to an int in the va_start call ?
>

That also fails to compile.

Jan
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