+
+ if (info_subdir == NULL)
+ info_subdir = getPath2(DOCS_DIRECTORY, LEVELSET_INFO_DIRECTORY);
+
+ checked_free(filename);
+
+ // look for level set info file the current level set directory
+ filename = getPath3(getCurrentLevelDir(), info_subdir, basename);
+ if (fileExists(filename))
+ return filename;
+
+ if (nr > 0)
+ return NULL;
+