Shouldn't Rf_mkString(NULL) return (the c-level equivalent of) character() rather than the NA_character_? An empty string and NULL aren't the same. It seems reasonable for Rf_mkChar to give NA_character_ though.
~G On Tue, May 24, 2016 at 8:42 AM, Jeroen Ooms <jeroen.o...@stat.ucla.edu> wrote: > On Thu, May 12, 2016 at 1:20 PM, Jeroen Ooms <jeroen.o...@stat.ucla.edu> > wrote: > > I would like to propose that Rf_mkString(NULL) and Rf_mkChar(NULL) > > return NA rather than segfault. > > An example implementation: https://git.io/vroxm > > With this patch, mkChar(NULL), mkCharCE(NULL, ce) would return > NA_STRING rather than segfault at strlen(NULL). This automatically > fixes mkString(NULL) as well which wraps mkChar (See Rinlinedfuns.h). > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Gabriel Becker, PhD Associate Scientist (Bioinformatics) Genentech Research [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel