+#include <common/make-unique-wrapper.hpp>
+
+/*
+ * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace,
+ * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480.
+ */
+namespace fmt {
+template <>
+struct formatter<std::type_info> : formatter<std::string> {
+ template <typename FormatContextType>
+ typename FormatContextType::iterator format(const std::type_info& type_info,
+ FormatContextType& ctx) const
+ {
+ int status;
+ /*
+ * The documentation of __cxa_demangle mentions the returned string is allocated
+ * using malloc (not new), hence the use of lttng::memory::free.
+ */
+ const auto demangled_name = lttng::make_unique_wrapper<char, lttng::memory::free>(
+ abi::__cxa_demangle(type_info.name(), nullptr, nullptr, &status));
+
+ auto it = status == 0 ? formatter<std::string>::format(demangled_name.get(), ctx) :
+ formatter<std::string>::format(type_info.name(), ctx);
+ return it;
+ }
+};
+} /* namespace fmt */
+
+namespace lttng {
+template <typename... FormattingArguments>
+std::string format(FormattingArguments&&...args)
+{
+ try {
+ return fmt::format(std::forward<FormattingArguments>(args)...);
+ } catch (const fmt::format_error& ex) {
+ return std::string("Failed to format string: ") += ex.what();
+ }
+}
+} /* namespace lttng */
+