[Rd] Segmentation fault in .Call() (PR#4761)
Prof Brian Ripley
ripley at stats.ox.ac.uk
Sat Oct 25 08:44:19 MEST 2003
Your expectations are wrong: please re-read the section on BUGS in the
FAQ. It *starts*:
If R executes an illegal instruction, or dies with an operating system
error message that indicates a problem in the program (as opposed to
something like "disk full"), then it is certainly a bug. If you call
`.C()', `.Fortran()', `.External()' or `.Call()' (or `.Internal()')
yourself (or in a function you wrote), you can always crash R by using
wrong argument types (modes). This is not a bug.
On Fri, 24 Oct 2003 jerome at hivnet.ubc.ca wrote:
> Full_Name: Jerome Asselin
> Version: 1.8.0
> OS: RedHat Linux 7.2
> Submission from: (NULL) (142.103.177.13)
>
>
>
> I would not expect a segmentation fault; perhaps an error message.
>
> > .Call("log")
> Segmentation fault
>
> This is always reproducable for me.
So you never learn from your mistakes?
We look forward to receiving your apologies.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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