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Make code more robust against corrupt database data

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This commit is contained in:
Joachim Stolberg 2023-12-27 10:39:52 +01:00
parent 1ded993e4e
commit c9a013a458
1 changed files with 6 additions and 2 deletions
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8
tubelib/command.lua
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@ -23,7 +23,9 @@ local function deserialize(s)
local tbl = {}
for line in s:gmatch("[^;]+") do
local num, spos = unpack(string.split(line, "="))
tbl[num] = {pos = minetest.string_to_pos(spos)}
if num ~= nil and num ~= "" and spos ~= nil and spos ~= "" then
tbl[num] = {pos = minetest.string_to_pos(spos)}
end
end
return tbl
end
@ -31,7 +33,9 @@ end
local function serialize(data)
local tbl = {}
for k,v in pairs(data) do
tbl[#tbl+1] = k.."="..minetest.pos_to_string(v.pos)
if k ~= nil and k ~= "" and v ~= nil and v.pos ~= nil then
tbl[#tbl+1] = k.."="..minetest.pos_to_string(v.pos)
end
end
return table.concat(tbl, ";")
end