luasocket/test/udp-zero-length-send, branch v3.1.0

luasocket/test/udp-zero-length-send, branch v3.1.0 A mirror of https://github.com/lunarmodules/luasocket.git https://git.lua4.win/luasocket/atom?h=v3.1.0 2020-03-28T22:21:23+00:00 test/udp-zero-length-send: add missing "socket ="; use shebang "#!/usr/bin/env lua" 2020-03-28T22:21:23+00:00 E. Westbrook git@westbrook.io 2020-03-28T21:20:24+00:00 urn:sha1:a7baf8dc25f5824a7b6f3a051e639c78a3a9cff7 Stop returning an error after successful send of zero length UDP packets 2012-04-11T20:45:59+00:00 Sam Roberts vieuxtech@gmail.com 2011-06-17T20:51:34+00:00 urn:sha1:51acb54760dc91095d59839e8ea2256557f42781 A zero-length send is invalid with TCP, but well defined with UDP. udp:send"" was returning (nil,"refused"), indicating that it failed when the packet was actually sent. The test script reproduces the bug, and includes a tcpdump of the zero length packet being sent.