This is the current ChangeLog of the door library:
v0.9.0 21-Feb-2003. Initial release. v0.9.1 23-Feb-2003. Moved everything to /usr/local by default. v0.9.2 31-Aug-2003. The door_waitenter function now needs the message to display as a parameter so that you can use your own language for this prompt. Updated the API in the README. v0.9.3 21-Dec-2003 Changed configure script to allow compile for debugging. Updated source header parts. Updated Makefiles to allow install in $DESTDIR for package building. Fixed a memory leaks in parse.c and doorsys.c v0.9.4 03-Sep-2005 Secured sprintf functions to snprintf to better protect against buffer overflows. v0.9.5 25-Jun-2006 Changed some timing functions so that it compiles on 64 bit systems with gcc > 4.0. v0.9.6 12-Jun-2009 Changed configure script to do the right thing on a multilib system.