mirror of
https://github.com/moparisthebest/minetest
synced 2024-12-22 15:48:48 -05:00
430195381d
The engine implementation of `print` packs the varargs into a table and passes the table directly to `table.concat`. If you pass any value not supported by `table.concat` (particularly `nil`), the server crashes. This is unexpected behavior, as `print` is supposed to be able to work with anything. This patch changes the implementation so it first converts all arguments using `tostring`, which fixes the issue and makes the custom `print` function compatible with the stock Lua behavior.
52 lines
1.4 KiB
Lua
52 lines
1.4 KiB
Lua
--
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-- This file contains built-in stuff in Minetest implemented in Lua.
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--
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-- It is always loaded and executed after registration of the C API,
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-- before loading and running any mods.
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--
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-- Initialize some very basic things
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function core.debug(...) core.log(table.concat({...}, "\t")) end
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if core.print then
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local core_print = core.print
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-- Override native print and use
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-- terminal if that's turned on
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function print(...)
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local n, t = select("#", ...), { ... }
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for i = 1, n do
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t[i] = tostring(t[i])
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end
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core_print(table.concat(t, "\t"))
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end
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core.print = nil -- don't pollute our namespace
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end
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math.randomseed(os.time())
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os.setlocale("C", "numeric")
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minetest = core
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-- Load other files
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local scriptdir = core.get_builtin_path()..DIR_DELIM
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local gamepath = scriptdir.."game"..DIR_DELIM
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local commonpath = scriptdir.."common"..DIR_DELIM
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local asyncpath = scriptdir.."async"..DIR_DELIM
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dofile(commonpath.."strict.lua")
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dofile(commonpath.."serialize.lua")
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dofile(commonpath.."misc_helpers.lua")
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if INIT == "game" then
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dofile(gamepath.."init.lua")
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elseif INIT == "mainmenu" then
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local mainmenuscript = core.setting_get("main_menu_script")
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if mainmenuscript ~= nil and mainmenuscript ~= "" then
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dofile(mainmenuscript)
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else
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dofile(core.get_mainmenu_path()..DIR_DELIM.."init.lua")
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end
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elseif INIT == "async" then
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dofile(asyncpath.."init.lua")
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else
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error(("Unrecognized builtin initialization type %s!"):format(tostring(INIT)))
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end
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