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

[Daniel P. Berrange]

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 ?


Regards,
Daniel
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