+ abort();
+}
+
+/* Prints 'format' on stderr, formatting it like printf() does. If 'err_no' is
+ * nonzero, then it is formatted with ovs_retval_to_string() and appended to
+ * the message inside parentheses. Then, terminates with EXIT_FAILURE.
+ *
+ * 'format' should not end with a new-line, because this function will add one
+ * itself. */
+void
+ovs_fatal(int err_no, const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+ ovs_fatal_valist(err_no, format, args);
+}
+
+/* Same as ovs_fatal() except that the arguments are supplied as a va_list. */
+void
+ovs_fatal_valist(int err_no, const char *format, va_list args)
+{
+ ovs_error_valist(err_no, format, args);