From thomas@biostat.washington.edu  Fri Jul 28 16:20:22 2000
From: thomas@biostat.washington.edu (thomas@biostat.washington.edu)
Date: Fri, 28 Jul 2000 17:20:22 +0200 (MET DST)
Subject: [Rd] Re: [R] gremlin in rep() (PR#619)
Message-ID: <200007281520.RAA02438@pubhealth.ku.dk>

On Fri, 28 Jul 2000, Colin Farrow wrote:

> the following occurred inadvertently and brought R-1.1.0 down
> 
> rep(1:3, c(4,2,-6))
> Segmentation Fault (core dumped)

In main/seq.c:rep2 we only check that the total length of the result is
positive, not that each part is.

Easy fix, I think.

	-thomas

> 
> platform i686-pc-linux-gnu
> arch     i686             
> os       linux-gnu        
> system   i686, linux-gnu  
> status                    
> major    1                
> minor    1.0              
> year     2000             
> month    June             
> day      15               
> language R 
> also on Solaris2.7 
> 
> -- 
> Colin Farrow
> Computing Service, University of Glasgow, Glasgow G12 8QQ
> Tel: 0141 330 4862, c.farrow@compserv.gla.ac.uk
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> 

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle


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[Rd] Re: [R] gremlin in rep() (PR#619)
thomas@biostat.washington.edu