Update 2023-11-28: If you came here because of a similar message in your package please read on and see particularly this comment below for the fairly simple fix.
While working on an update for RQuantLib with a few r-devel discovered minor changes, CRAN and I both came across a new nag this time from -Wformat-security.. Our glue code in src/attributes.cpp does
<< " if (rcpp_isError_gen) {" << std::endl
<< " SEXP rcpp_msgSEXP_gen = Rf_asChar(rcpp_result_gen);" << std::endl
<< " UNPROTECT(1);" << std::endl
<< " Rf_error(CHAR(rcpp_msgSEXP_gen));" << std::endl
<< " }" << std::endl
and the Rf_error(someCharvariablehere) now makes the compiler bark under -Wformat-security:
RcppExports.cpp:180:18: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
The fix is pretty easy: add a "%s". I will take care of that shortly.
jameslamb, LiNk-NY, Shoeboxam and bathyscapher
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