+
+void
+output_driver_parse_option (const char *option, struct string_map *options)
+{
+ const char *equals = strchr (option, '=');
+ if (equals == NULL)
+ {
+ error (0, 0, _("%s: output option missing `='"), option);
+ return;
+ }
+
+ char *key = xmemdup0 (option, equals - option);
+ if (string_map_contains (options, key))
+ {
+ error (0, 0, _("%s: output option specified more than once"), key);
+ free (key);
+ return;
+ }
+
+ char *value = xmemdup0 (equals + 1, strlen (equals + 1));
+ string_map_insert_nocopy (options, key, value);
+}