[Rd] missing PROTECT() in src/main/arithmetic.c

[luke-tierney at uiowa.edu]

Thanks -- fixed in 63290 (trunk) and 63291 (patched).

luke

On Fri, 12 Jul 2013, Hervé Pagès wrote:

> at lines 651 & 653 (integer_binary function):
>
>    if (code == DIVOP || code == POWOP)
>        ans = allocVector(REALSXP, n);
>    else
>        ans = allocVector(INTSXP, n);
>
> There are calls to warningcall() later in the function, which can
> trigger garbbage collection.
>
> Looks like the typical scenario where it seemed pretty safe to not
> PROTECT in the original version of the function but became very
> unsafe 3 years later when the calls to warningcall() were added to
> the function.
>
> Cheers,
> H.
>
>

-- 
Luke Tierney
Chair, Statistics and Actuarial Science
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa                  Phone:             319-335-3386
Department of Statistics and        Fax:               319-335-3017
    Actuarial Science
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