#include <folly/portability/BitsFunctexcept.h>
-#if !FOLLY_HAVE_BITS_FUNCTEXCEPT_H
#include <stdexcept>
+#if FOLLY_HAVE_BITS_FUNCTEXCEPT_H
+
+// for symmetry with the header; this section intentionally left blank
+
+#else
+
FOLLY_NAMESPACE_STD_BEGIN
-#if (!defined(_LIBCPP_VERSION) || _LIBCPP_VERSION < 4000) && \
- !defined(FOLLY_SKIP_LIBCPP_4000_THROW_BACKPORTS)
-void __throw_length_error(const char* msg) {
+#if _LIBCPP_VERSION < 4000 && !FOLLY_SKIP_LIBCPP_4000_THROW_BACKPORTS
+void __throw_length_error(char const* msg) {
throw std::length_error(msg);
}
-void __throw_logic_error(const char* msg) {
+void __throw_logic_error(char const* msg) {
throw std::logic_error(msg);
}
-void __throw_out_of_range(const char* msg) {
+void __throw_out_of_range(char const* msg) {
throw std::out_of_range(msg);
}
#endif
-#ifdef _MSC_VER
+#if _CPPLIB_VER // msvc c++ std lib
void __throw_bad_alloc() {
throw std::bad_alloc();
}
#endif
FOLLY_NAMESPACE_STD_END
+
#endif