Re: [Xen-devel] [PATCH] Check some returns of common functions

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 26 Apr 2006, at 09:29, Ewan Mellor wrote:

> Does (void)write(tracefd, sbuf, ref) not work?  This ought to make it 
> clear
> that the return value is being ignored without additional dummy 
> variables.
No. That would be too obvious and useful!

The following might be clearer than doing the workaround in-place 
though:
#define ignore_retval(x) do { long __r; __r = (long)(x); } while (0)

(Most useful scalar types can be cast to/from long.)

 -- Keir


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