-/* Remove the given ABSOLUTE_FILE_NAME and unregister it. */
-extern void cleanup_temp_file (struct temp_dir *dir,
- const char *absolute_file_name);
+/* Remove the given ABSOLUTE_FILE_NAME and unregister it.
+ Return 0 upon success, or -1 if there was some problem. */
+extern int cleanup_temp_file (struct temp_dir *dir,
+ const char *absolute_file_name);