prosody/util/bitcompat.lua
Kim Alvefur b53c7b03aa util.bitcompat: Avoid potential noise from global metatable
If this module is require'd from a plugin on a Lua version without the
global bit32 library, it may trip a warning about accessing globals.
2025-01-15 09:55:28 +01:00

18 lines
424 B
Lua

-- 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 rawget(_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";