prosody
0aaf67f70015
util/bitcompat.lua

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util/bitcompat.lua @ 13149:0aaf67f70015

mod_storage_sql: Add setting to tune SQLite3 performance vs safety Notably the default journal_mode of DELETE is somewhat slow, some users might want to catch up to the amazing performance of internal storage.
author Kim Alvefur <zash@zash.se>
date Sun, 11 Jun 2023 17:04:11 +0200
parent 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, "prosody.util.bit53")
	if ok then
		return bitop;
	end
end

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