(PR#2003) bug in SJava

ripley@stats.ox.ac.uk ripley@stats.ox.ac.uk
Sun, 3 Nov 2002 19:52:58 +0000 (GMT)

There is no function `getHome' in the R sources.

There is a function getRHOME(), but that is not part of the documented
interface (front-ends/readme).  If SJava is calling getRHOME, it needs to
be modified to just use the documented interface.

getRHOME has not been modified since 1999, BTW.

On Thu, 31 Oct 2002 grimm.heinz@rcc.ch wrote:

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> Ok, I try to explain the problem better:
> getHome() uses now "GetModuleFileName()" to determine
> the R home-directory. "GetModuleFileName()" doesn't check
> the R_HOME environment setting, instead it returns the
> path of the .EXE, that started R, which is usually located in
> $R_HOME/bin. If R is invoked via Java, "GetModuleFileName()"
> returns $JDK_HOME/jre/bin instead of $R_HOME/bin and
> the function "getRHome()" returns $JDK_HOME/jre...
> My suggestion is just to rely on $R_HOME, instead of
> using "GetModuleFileName()", because all "xxx calls R"
> packages will have similar problems. I added in my sample
> fix the check for $RHOME, since SJava does the same,
> may be this is historical, just ignore it...
> Heinz Grimm

Brian D. Ripley,                  ripley@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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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