[<tc@xxxxxxxxxxxx>]

> > So, are there any known ways of checking for bad values?
> 
> "Bad" in what sense?  Pointer values, for types such as FT_STRING or
> FT_BYTES, that are bad pointers?

Yes. I think that that was at the root of my problem.

> > Of more relevance to me, is there any harness or infra-structure
> > for logging or console output, to track values going into procedures?
> 
> No general infrastructure - you can produce console output with
> "fprintf(stderr, ...)".

This thought occurred to me, I'll try it.


All being well, I will send my patch this evening.

Ben