Replace call to Rf_error() with Rcpp:stop() (fixes #10)

Author: dtburk

.gitignore

@@ -7,3 +7,4 @@ src/*.so
 src/*.dll
 src-i386
 src-x64
+.claude

NEWS.md

@@ -1,5 +1,7 @@
 # hipread (development version)
 
+* Replaced call to `Rf_error()` with `Rcpp::stop()` (see issue #10).
+
 # hipread 0.2.5
 * Fixes problem with `hipread_list()` that caused a segfault in some situations.
 * Require Rcpp >= 1.0.12 to avoid installation errors related to format string 

src/iconv.cpp

@@ -76,7 +76,7 @@ int my_strnlen(const char* s, int maxlen) {
 SEXP safeMakeChar(const char* start, size_t n, bool hasNull) {
   size_t m = hasNull ? readr_strnlen(start, n) : n;
   if (m > INT_MAX) {
-    Rf_error("R character strings are limited to 2^31-1 bytes");
+    Rcpp::stop("R character strings are limited to 2^31-1 bytes");
   }
   return Rf_mkCharLenCE(start, static_cast<int>(m), CE_UTF8);
 }