+extern boost::optional<boost::filesystem::path> relative_to_root (boost::filesystem::path root, boost::filesystem::path file);
+
+extern std::string file_to_string (boost::filesystem::path, uintmax_t max_length = 1048576);
+
+/** @param key RSA private key in PEM format (optionally with -----BEGIN... / -----END...)
+ * @return SHA1 fingerprint of key
+ */
+extern std::string private_key_fingerprint (std::string key);
+extern xmlpp::Node* find_child (xmlpp::Node const * node, std::string name);
+extern std::string openjpeg_version();
+extern std::string spaces (int n);
+extern void indent (xmlpp::Element* element, int initial);
+
+/** @return true if the day represented by \ref a is less than or
+ * equal to the one represented by \ref b, ignoring the time parts
+ */
+extern bool day_less_than_or_equal (LocalTime a, LocalTime b);
+
+/** @return true if the day represented by \ref a is greater than or
+ * equal to the one represented by \ref b, ignoring the time parts
+ */
+extern bool day_greater_than_or_equal (LocalTime a, LocalTime b);
+
+/** Try quite hard to find a string which starts with \ref base and is
+ * not in \ref existing
+ */
+extern std::string unique_string (std::vector<std::string> existing, std::string base);
+
+extern ASDCP::Dictionary const* asdcp_smpte_dict;
+
+extern boost::filesystem::path directory_containing_executable ();
+extern boost::filesystem::path resources_directory ();
+
+
+class ASDCPErrorSuspender
+{
+public:
+ ASDCPErrorSuspender();
+ ~ASDCPErrorSuspender();
+
+private:
+ Kumu::LogEntryList _log;
+ Kumu::ILogSink& _old;
+ Kumu::EntryListLogSink* _sink;
+};
+
+
+template <class From, class To>
+void
+add_to_container(To& container, From source)
+{
+ std::copy(source.begin(), source.end(), std::back_inserter(container));