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* luci/libs/uvl: add new datatype "device"

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This commit is contained in:
Jo-Philipp Wich 2008-10-12 22:24:41 +00:00
parent fd7072de2d
commit 725719c221
1 changed files with 16 additions and 0 deletions
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16
libs/uvl/luasrc/uvl/datatypes.lua
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@ -169,3 +169,19 @@ function file( val, seen )
return false
end
function device( val, seen )
local s = fs.stat( val )
seen = seen or { }
if s and not seen[s.ino] then
seen[s.ino] = true
if s.type == "character device" or s.type == "block device" then
return true
elseif s.type == "link" then
return device( fs.readlink(val), seen )
end
end
return false
end