Re: [Xen-devel] [PATCH] libxl: make libxl__poller_put tolerate p==NULL libxl_event_wait

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Matthew Daley writes ("Re: [PATCH] libxl: make libxl__poller_put tolerate 
p==NULL libxl_event_wait"):
> On Sat, Oct 12, 2013 at 12:12 AM, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> 
> wrote:
> >  void libxl__poller_put(libxl_ctx *ctx, libxl__poller *p)
> >  {
> > +    if (!p) return;
> 
> So before I go and send more libxl patches, what's the story with
> single-line if statements like this? Is it acceptable in libxl (only?)
> after all?

From tools/libxl/CODING_STYLE:

  4. Statements

  Don't put multiple statements on a single line.
  Don't put multiple assignments on a single line either.
  Error code paths with an if statement and a goto or a return on the same
  line are allowed. Examples:

      if (rc) goto out;

Whether you think this is an error path is a matter of taste, I think.

Ian.

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