Re: [Xen-devel] [PATCH v4 2/3] libxl: localtime(3) can return NULL

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-07-17 at 18:12 +0100, Wei Liu wrote:
> On Fri, Jul 17, 2015 at 06:05:45PM +0100, Ian Jackson wrote:
> > Wei Liu writes ("[PATCH v4 2/3] libxl: localtime(3) can return 
> > NULL"):
> > > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > 
> > >          tm = localtime(&t);
> > > +        if (!tm) {
> > > +            LOG(ERROR, "Failed to call localtime");
> > 
> > localtime sets errno if it fails.  So you mean LOGE.
> > 
> 
> Heh. Linux manpage doesn't say so. But
> 
> http://pubs.opengroup.org/onlinepubs/009695399/functions/localtime.ht
> ml
> 
> does say that.
> 
> I will rework this patch and send it out next week with other 
> coverity
> scan inspired patches I accumulate.

Should we not be using localtime_t in libxl? Afterall we don't know
what other threads in the application might be doing.



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