e2lib.join: detect nil components and throw an error.

Signed-off-by: Tobias Ulmer <tu@emlix.com>

diff --git a/generic/e2lib.lua b/generic/e2lib.lua
index 414c193c41493a87679e0e833affa99892a258ad..7cf65c25fa72c9ed08dab551209c735f74555cde 100644 (file)
--- a/generic/e2lib.lua
+++ b/generic/e2lib.lua
@@ -757,8 +757,10 @@ function e2lib.join(p1, p2, ...)
        local args = {p1, p2, ...}
        local buildpath = ""
        local sepnext = false
+        local component
 
-       for _,component in ipairs(args) do
+       for i=1,#args do
+                component = args[i]
                assert(type(component) == "string")
 
                if sepnext then