view util/bitcompat.lua @ 13210:8dbe693ded6b

util.human.io: Fix stray 'stty' error by only querying width of real ttys This adds a dependency on a binary and *nix-specific module but then stty is probably *nix-specific anyway so maybe that's fine.
author Kim Alvefur <zash@zash.se>
date Sun, 16 Jul 2023 21:21:37 +0200
parents d10957394a3c
children de902cc0d46c
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-- 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";