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-rw-r--r--libs/uvl/luasrc/uvl/datatypes.lua16
1 files changed, 16 insertions, 0 deletions
diff --git a/libs/uvl/luasrc/uvl/datatypes.lua b/libs/uvl/luasrc/uvl/datatypes.lua
index fc37fa3c69..615e2946d4 100644
--- a/libs/uvl/luasrc/uvl/datatypes.lua
+++ b/libs/uvl/luasrc/uvl/datatypes.lua
@@ -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