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Add type check to nativefs.getDirectoryItemsInfo()

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Fixes coredump caused by passing nil to argument #1 of nativefs.getDirectoryItemsInfo().

Aside: An invalid arg #2 (filtertype) can slip by if the inner function doesn't iterate over any actual directory items.

Perhaps it would be better to type-check in withTempMount(), as that seems to be the source of the issue here and in getDirectoryItems().
This commit is contained in:
rabbitboots
2022-02-28 16:25:05 -04:00
committed by GitHub
parent 975de5de9e
commit 5ca1313e85
1 changed files with 3 additions and 0 deletions
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3
nativefs.lua
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@@ -373,6 +373,9 @@ local function getDirectoryItemsInfo(path, filtertype)
end end
function nativefs.getDirectoryItemsInfo(path, filtertype) function nativefs.getDirectoryItemsInfo(path, filtertype)
if type(path) ~= "string" then
error("bad argument #1 to 'getDirectoryItemsInfo' (string expected, got " .. type(path) .. ")")
end
local result, err = withTempMount(path, getDirectoryItemsInfo, filtertype) local result, err = withTempMount(path, getDirectoryItemsInfo, filtertype)
return result or {} return result or {}
end end