Re: [ros-dev] Empty fields of DeviceNode leading to Death

[art yerkes]

> > We have a lot of unchecked string functions on the DeviceNode fields in
> > io/pnpmgr.c, by the way.  I think i've stumbled on four such places so
> > far, but I suspect that the whole thing should be hardened together.
>
> Can you be more specific about this? Which strings? Which places?

I'm wrong that there are a lot, these are the ones I've been bitten by.
I think they're the only cases in which a wcscat/wcscpy is called on a
possibly empty string.

line 171, DeviceNode->InstancePath.Buffer can be null.
line 1059, DeviceNode->InstancePath.Buffer can be null.
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