[Rd] GCC warning

Adrian Dușa du@@@@dr|@n @end|ng |rom un|buc@ro
Sat May 23 09:30:31 CEST 2020

On Sat, May 23, 2020 at 10:01 AM Prof Brian Ripley <ripley using stats.ox.ac.uk>

> On 23/05/2020 07:38, Simon Urbanek wrote:
> > Adrian,
> >
> > newer compilers are better at finding bugs - you may want to read the
> full trace of the error, it tells you that you likely have a memory
> overflow when using strncpy() in your package. You should check whether it
> is right. Unfortunately we can’t help you more specifically, because I
> don't see any link to what you submitted so can’t look at the code involved.
> NB: debian-gcc on CRAN does have the latest version of gcc (10.1) and
> the link would likely have given fuller details (such links are provided
> on CRAN report pages but I do not know for submissions).
> gcc does sometimes give false alarms here (there is one for R with gcc
>  >= 9 and another for gcc >= 10) but see
> https://developers.redhat.com/blog/2018/05/24/detecting-string-truncation-with-gcc-8/
> .  Most can easily be workaround by cleaner code.

Oh, of course, apologies for the oversight, these are the links:

"package QCA_3.8.tar.gz does not pass the incoming checks automatically,
please see the following pre-tests:
Windows: <
Status: 1 NOTE
Debian: <
Status: 1 WARNING, 1 NOTE"

I only now realised the most relevant link was down below, after "last
released version's CRAN status" (where I mistakenly stopped reading

"More details are given in the directory:

This is indeed very informative, and points to specific parts of the code
that seem to be responsible with the warning.
Thank you both very much for the pointers, I now at least know what should
I try to fix.

Best wishes,

Adrian Dusa
University of Bucharest
Romanian Social Data Archive
Soseaua Panduri nr. 90-92
050663 Bucharest sector 5

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