File

util/bitcompat.lua @ 12932:9bb044705ea1

util.ip: Add ip.truncate() to return a new IP with only the prefix of another
author Matthew Wild <mwild1@gmail.com>
date Tue, 14 Mar 2023 18:24:58 +0000
parent 12573:0f4feaf9ca64
child 12975:d10957394a3c
line wrap: on
line source

-- Compatibility layer for bitwise operations

-- First try the bit32 lib
-- Lua 5.3 has it with compat enabled
-- Lua 5.2 has it by default
if _G.bit32 then
	return _G.bit32;
end

do
	-- Lua 5.3 and 5.4 would be able to use native infix operators
	local ok, bitop = pcall(require, "util.bit53")
	if ok then
		return bitop;
	end
end

error "No bit module found. See https://prosody.im/doc/depends#bitop";