mirror of
https://github.com/minetest-mods/irc.git
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257 lines
9.2 KiB
HTML
257 lines
9.2 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta name="description" content="The LuaSocket Homepage">
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<meta name="keywords" content="Lua, LuaSocket, Network, Library, Support, Internet">
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<title>LuaSocket: Network support for the Lua language </title>
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<link rel="stylesheet" href="reference.css" type="text/css">
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</head>
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<body>
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<!-- header +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=header>
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<hr>
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<center>
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<table summary="LuaSocket logo">
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<tr><td align=center><a href="http://www.lua.org">
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<img width=128 height=128 border=0 alt="LuaSocket" src="luasocket.png">
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</a></td></tr>
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<tr><td align=center valign=top>Network support for the Lua language
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</td></tr>
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</table>
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<p class=bar>
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<a href="home.html">home</a> ·
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<a href="home.html#download">download</a> ·
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<a href="installation.html">installation</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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</center>
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<hr>
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</div>
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<!-- whatis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=whatis>What is LuaSocket?</h2>
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<p>
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LuaSocket is a <a href="http://www.lua.org">Lua</a> extension library
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that is composed by two parts: a C core that provides support for the TCP
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and UDP transport layers, and a set of Lua modules that add support for
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functionality commonly needed by applications that deal with the Internet.
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</p>
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<p>
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The core support has been implemented so that it is both efficient and
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simple to use. It is available to any Lua application once it has been
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properly initialized by the interpreter in use. The code has been tested
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and runs well on several Windows and Unix platforms. </p>
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<p>
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Among the support modules, the most commonly used implement the
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<a href=smtp.html>SMTP</a>
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(sending e-mails),
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<a href=http.html>HTTP</a>
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(WWW access) and
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<a href=ftp.html>FTP</a>
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(uploading and downloading files) client
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protocols. These provide a very natural and generic interface to the
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functionality defined by each protocol.
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In addition, you will find that the
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<a href=mime.html>MIME</a> (common encodings),
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<a href=url.html>URL</a>
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(anything you could possible want to do with one) and
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<a href=ltn12.html>LTN12</a>
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(filters, sinks, sources and pumps) modules can be very handy.
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</p>
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<p>
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The library is available under the same
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<a href="http://www.lua.org/copyright.html">
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terms and conditions</a> as the Lua language, the MIT license. The idea is
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that if you can use Lua in a project, you should also be able to use
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LuaSocket.
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</p>
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<p>
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Copyright © 2004-2005 Diego Nehab. All rights reserved. <br>
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Author: <A href="http://www.cs.princeton.edu/~diego">Diego Nehab</a>
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</p>
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<!-- download +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=download>Download</h2>
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<p>
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LuaSocket version 2.0 (final) is now available for download! It is
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compatible with Lua 5.0 and has been tested on
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Windows XP, Linux, and Mac OS X.
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</p>
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<p>
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The library can be downloaded in source code from the
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<a href=http://luaforge.net/projects/luasocket/>LuaSocket
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project page</a> at LuaForge.
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Besides the full C and Lua source code for the library, the distribution
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contains several examples, this user's manual and basic test procedures.
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</p>
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<p>
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Danilo Tuler is maintaining Win32 binaries for LuaSocket, which are also
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available from LuaForge. These are compatible with the
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<a href=http://luaforge.net/projects/luabinaries>LuaBinaries</a>
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available from LuaForge.
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</p>
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<p>
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For those that want to give LuaSocket a quick try, download the
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stand-alone archive and unpack everything into
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a directory, say <tt>c:\luasocket</tt>. Then set <tt>LUA_INIT</tt> to load
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the <tt>compat-5.1.lua</tt> and set <tt>LUA_PATH</tt> and
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<tt>LUA_CPATH</tt> to look for files in the current directory:
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</p>
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<pre class=example>
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c:\luasocket\> set LUA_INIT=@c:\luasocket\compat-5.1.lua
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c:\luasocket\> set LUA_CPATH=?.dll
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c:\luasocket\> set LUA_PATH=?.lua
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</pre>
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<p>
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From that directory, you can then run the interpreter and it should find all
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files it needs. To download this manual page from the Internet, for example,
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do the following:
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</p>
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<pre class=example>
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c:\luasocket\> lua50
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Lua 5.0.2 Copyright (C) 1994-2004 Tecgraf, PUC-Rio
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> http = require"socket.http"
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> print(http.request"http://www.cs.princeton.edu/~diego/professional/luasocket/")
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--> the source to this web page gets dumped to terminal
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</pre>
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<p> When you are done playing, take a look at the
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<a href=installation.html>installation</a> section of the manual to find out
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how to properly install the library. </p>
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<!-- thanks +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=thanks>Special thanks</h2>
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<p>
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Throughout LuaSocket's history, many people gave suggestions that helped
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improve it. For that, I thank the Lua community.
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Special thanks go to
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David Burgess, who has helped push the library to a new level of quality and
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from whom I have learned a lot of stuff that doesn't show up in RFCs.
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Special thanks also to Carlos Cassino, who played a big part in the
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extensible design seen in the C core of LuaSocket 2.0. Recently, Mike Pall
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has been helping a lot too! Thanks to you all!
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</p>
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<!-- whatsnew +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=new>What's New</h2>
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<p>
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There is no big change for the 2.0 (final) release. It is basically a
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bug fix release. The only improvement is in the non-blocking
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support.
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</p>
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<ul>
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<li> New: sample module <tt>dispatch.lua</tt> implements a
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coroutine based dispatcher;
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<li> New: sample <tt>check-links.lua</tt> works
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both in blocking and non-blocking mode using coroutines
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(using the new dispatcher);
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<li> New: sample <tt>forward.lua</tt> implements a coroutine
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based forward server (using the new dispatcher);
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<li> Improved: <tt>tcp:send(data, i, j)</tt> to return <tt>(i+sent-1)</tt>. This is great for non-blocking I/O, but might break some code;
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<li> Improved: HTTP, SMTP, and FTP functions to accept a new field
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<tt>create</tt> that overrides the function used to create socket objects;
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<li> Improved: <tt>smtp.message</tt> now supports multipart/alternative
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(for the HTML messages we all love so much);
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<li> Fixed: <tt>smtp.send</tt> was hanging on errors returned by LTN12 sources;
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<li> Fixed: <tt>url.absolute()</tt> to work when <tt>base_url</tt> is in
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parsed form;
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<li> Fixed: <tt>http.request()</tt> not to redirect when the location
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header is empty (naughty servers...);
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<li> Fixed: <tt>tcp{client}:shutdown()</tt> to check for class instead of
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group;
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<li> Fixed: The manual to stop using <tt>socket.try()</tt> in place of
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<tt>assert()</tt>, since it can't;
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<li> Improved: Got rid of <tt>package.loaded.base = _G</tt> kludge;
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<li> Fixed: Parts of the manual referred to <tt>require("http")</tt> instead of
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<tt>require("socket.http")</tt>;
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<li> Improved: Socket and MIME binaries are called 'core' each inside their
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directory (ex. "socket/core.dll"). The 'l' prefix was just a bad idea;
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<li> Improved: Using bundles in Mac OS X, instead of dylibs;
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<li> Fixed: <tt>luasocket.h</tt> to export <tt>luaopen_socket_core</tt>;
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<li> Fixed: <tt>udp:setpeername()</tt> so you can "disconnect" an
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<tt>UDP</tt> socket;
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<li> Fixed: A weird bug in HTTP support that caused some requests to
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fail (Florian Berger);
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<li> Fixed: Bug in <tt>socket.select()</tt> that caused sockets
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with descriptor 0 to be ignored (Renato Maia);
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<li> Fixed: "Bug" that caused <tt>dns.toip()</tt> to crash under uLinux
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(William Trenker);
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<li> Fixed: "Bug" that caused <tt>gethostbyname</tt> to crash under VMS
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(Renato Maia);
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<li> Fixed: <tt>tcp:send("")</tt> to return 0 bytes sent (Alexander Marinov);
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<li> Improved: <tt>socket.DEBUG</tt> and <tt>socket.VERSION</tt> became <tt>socket._DEBUGs</tt> and <tt>socket._VERSION</tt> for uniformity with other libraries;
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<li> Improved: <tt>socket.select</tt> now works on empty sets on Windows.
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</ul>
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<!-- incompatible +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h3 id=incompatible>Incompatibilities with previous versions</h3>
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<ul>
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<li> If you use the return value of <tt>tcp:send()</tt> <em>and</em> you
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use the extra parameters to select only part of the string to be sent, your
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code is now broken, but when you fix it, it will be much simpler;
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<li> If you check <tt>socket.DEBUG</tt> or <tt>socket.VERSION</tt>,
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change it to <tt>socket._DEBUG</tt> or <tt>socket._VERSION</tt>.
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</ul>
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<!-- old ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=old>Old Versions</h2>
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<p>
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All previous versions of the LuaSocket library can be downloaded <a
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href="http://www.cs.princeton.edu/~diego/professional/luasocket/old">
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here</a>. Although these versions are no longer supported, they are
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still available for those that have compatibility issues.
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</p>
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<!-- footer +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=footer>
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<hr>
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<center>
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<p class=bar>
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<a href="home.html#down">download</a> ·
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<a href="home.html#download">download</a> ·
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<a href="installation.html">installation</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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<p>
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<small>
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Last modified by Diego Nehab on <br>
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Mon Nov 21 01:56:56 EST 2005
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</small>
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</p>
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</center>
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</div>
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</body>
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</html>
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