* Fix build with lua 5.2.
Changelog:
Main changes for LuaSocket 3.0-rc1 are IPv6 support and Lua 5.2 compatibility.
* Added: Compatible with Lua 5.2
- Note that unless you define LUA_COMPAT_MODULE, package
tables will not be exported as globals!
* Added: IPv6 support;
- Socket.connect and socket.bind support IPv6 addresses;
- Getpeername and getsockname support IPv6 addresses, and
return the socket family as a third value;
- URL module updated to support IPv6 host names;
- New socket.tcp6 and socket.udp6 functions;
- New socket.dns.getaddrinfo and socket.dns.getnameinfo functions;
* Added: getoption method;
* Fixed: url.unescape was returning additional values;
* Fixed: mime.qp, mime.unqp, mime.b64, and mime.unb64 could
mistaking their own stack slots for functions arguments;
* Fixed: Receiving zero-length datagram is now possible;
* Improved: Hidden all internal library symbols;
* Improved: Better error messages;
* Improved: Better documentation of socket options.
* Fixed: manual sample of HTTP authentication now uses correct
"authorization" header (Alexandre Ittner);
* Fixed: failure on bind() was destroying the socket (Sam Roberts);
* Fixed: receive() returns immediatelly if prefix can satisfy
bytes requested (M Joonas Pihlaja);
* Fixed: multicast didn't work on Windows, or anywhere
else for that matter (Herbert Leuwer, Adrian Sietsma);
* Fixed: select() now reports an error when called with more
sockets than FD_SETSIZE (Lorenzo Leonini);
* Fixed: manual links to home.html changed to index.html (Robert Hahn);
* Fixed: mime.unb64() would return an empty string on results that started
with a null character (Robert Raschke);
* Fixed: HTTP now automatically redirects on 303 and 307 (Jonathan Gray);
* Fixed: calling sleep() with negative numbers could
block forever, wasting CPU. Now it returns immediately (MPB);
* Improved: FTP commands are now sent in upper case to
help buggy servers (Anders Eurenius);
* Improved: known headers now sent in canonic
capitalization to help buggy servers (Joseph Stewart);
* Improved: Clarified tcp:receive() in the manual (MPB);
* Improved: Decent makefiles (LHF).
* Fixed: RFC links in documentation now point to IETF (Cosmin Apreutesei).
Lua extension library that is composed by two parts: a C core that provides
support for the TCP and UDP transport layers, and a set of Lua modules that
add support for functionality commonly needed by applications that deal
with the Internet.
(Based on wip/luasocket.)
