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util/bit53.lua @ 12386:2d3080d02960
net.websocket.frames: Replace bit fiddling code with util.struct
Fallback code for not having either the string.pack and string.unpack
functions available in Lua 5.4 or the struct lib is no longer needed
since the struct lib was imported as util.struct in 3ce3633527af
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 06 Mar 2022 15:13:50 +0100 |
parent | 12365:af02b033bd7f |
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-- Only the operators needed by net.websocket.frames are provided at this point return { band = function (a, b, ...) local ret = a & b; if ... then for i = 1, select("#", ...) do ret = ret & (select(i, ...)); end end return ret; end; bor = function (a, b, ...) local ret = a | b; if ... then for i = 1, select("#", ...) do ret = ret | (select(i, ...)); end end return ret; end; bxor = function (a, b, ...) local ret = a ~ b; if ... then for i = 1, select("#", ...) do ret = ret ~ (select(i, ...)); end end return ret; end; rshift = function (a, n) return a >> n end; lshift = function (a, n) return a << n end; };