Update TODO

TODO

@@ -4,6 +4,14 @@
    ° Valgrind / libconfuse bugs (Listener & Aggregator):
    .   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639074
    .   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639115
+- Check the size of the received packets to avoid buffer overflows.
+- Use select(2) or poll(2)
+   Using polling for sockets would avoid setting up some threads,
+   especially the autocalibration threads in the Listener,
+   i.e. autocalibrate() and autocalibrate_hello(), and listen_for_aps()
+   in the Aggregator.
+   See also select_tut(2).
+- Option -V should tell if DEBUG is enabled or not.
 - Eliminate remaining exit() calls to avoid memory leaks on exit.
 - Use atexit() / on_exit() instead of goto to clean at exit?
 - Add option dump-configuration (displays the config & exits).
@@ -54,6 +62,11 @@
 
 * Listener
 
+- Known bugs:
+   ° On OpenWrt Backfire (10.03), when the program is statically linked,
+   using both -D and -A at the same time makes the program to block on
+   the first thread. This is a known issue of OpenWrt:
+   https://dev.openwrt.org/ticket/4809
 - Refactor and review read_packet().
 - Handle better the configuration file reading
    Get rid of the "Cannot open configuration file" error, in quiet