>>>>> "SG" == Simone Giannerini <sgianner...@gmail.com>
>>>>> on Thu, 10 Dec 2009 09:30:10 +0100 (CET) writes:
SG> Dear all, switch() called with just the EXPR argument
SG> causes R to hang so that the only way to stop it is to
SG> kill R.
SG> Reproducible example:
>> switch(EXPR="a")
SG> the internal C subroutine behind switch is do_switch
SG> located in R/src/main/builtin.c For convenience I
SG> reproduce it below.
[..........]
SG> I do not know C but it seems to me that do_switch
SG> expects two arguments.
One can argue that it should return NULL when it has no
further arguments.
A fix is very simple and I'll commit it (after testing)
for R-devel and "R 2.10.1 RC".
Martin Maechler, ETH ZUrich
SG> regards
SG> Simone
SG> tested both on Windows VISTA 32 bit
SG> platform i386-pc-mingw32 arch i386 os mingw32 system
SG> i386, mingw32 status major 2 minor 10.0 year 2009 month
SG> 10 day 26 svn rev 50208 language R version.string R
SG> version 2.10.0 (2009-10-26)
SG> and on Linux OpenSuSE 11.0 64bit
>> R.version
SG> _ platform x86_64-unknown-linux-gnu arch
SG> x86_64 os linux-gnu system x86_64, linux-gnu status
SG> Patched major 2 minor 10.0 year 2009 month 11 day 19 svn
SG> rev 50499 language R version.string R version 2.10.0
SG> Patched (2009-11-19 r50499)
SG> --
SG> ______________________________________________________
SG> Simone Giannerini Dipartimento di Scienze Statistiche
SG> "Paolo Fortunati" Universita' di Bologna Via delle belle
SG> arti 41 - 40126 Bologna, ITALY Tel: +39 051 2098262 Fax:
SG> +39 051 232153 http://www2.stat.unibo.it/giannerini/
SG> ______________________________________________________
SG> [[alternative HTML version deleted]]
SG> ______________________________________________
SG> R-devel@r-project.org mailing list
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