Convert remaining DATAPTR to DATAPTR_RO (#1359)

* Use DATAPTR_RO in barrier.cpp

* Roll micro version and date

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,12 @@
+2025-03-07  Dirk Eddelbuettel  <edd@debian.org>
+
+	* DESCRIPTION (Version, Date): Roll micro version and date
+
+	* inst/include/Rcpp/config.h: Idem
+
+	* src/barrier.cpp (dataptr): Replace remaining DATAPTR with
+	DATAPTR_RO for suitable R greater than 3.5.0
+
 2025-02-11  Dirk Eddelbuettel  <edd@debian.org>
 
 	* R/Rcpp.package.skeleton.R (Rcpp.package.skeleton): Support optional

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: Rcpp
 Title: Seamless R and C++ Integration
-Version: 1.0.14.3
-Date: 2025-02-11
+Version: 1.0.14.4
+Date: 2025-03-07
 Authors@R: c(person("Dirk", "Eddelbuettel", role = c("aut", "cre"), email = "edd@debian.org",
                     comment = c(ORCID = "0000-0001-6419-907X")),
              person("Romain", "Francois", role = "aut",

inst/include/Rcpp/config.h

@@ -30,7 +30,7 @@
 #define RCPP_VERSION_STRING     "1.0.14"
 
 // the current source snapshot (using four components, if a fifth is used in DESCRIPTION we ignore it)
-#define RCPP_DEV_VERSION        RcppDevVersion(1,0,14,3)
-#define RCPP_DEV_VERSION_STRING "1.0.14.3"
+#define RCPP_DEV_VERSION        RcppDevVersion(1,0,14,4)
+#define RCPP_DEV_VERSION_STRING "1.0.14.4"
 
 #endif

src/barrier.cpp

@@ -76,7 +76,13 @@ SEXP* get_vector_ptr(SEXP x) {
 
 // [[Rcpp::register]]
 void* dataptr(SEXP x) {
+#if R_VERSION >= R_Version(3,5,0)
+    // DATAPTR_RO was introduced with R 3.5.0
+    return const_cast<void*>(DATAPTR_RO(x));
+#else
+    // this will get your wrists slapped under recent R CMD check ...
     return DATAPTR(x);
+#endif
 }
 
 // [[Rcpp::register]]