spec/tzfile_spec: Add a test to open a tz version 3 file

[etc/awesome.git] / luatz / tzcache.lua

diff --git a/luatz/tzcache.lua b/luatz/tzcache.lua
index de62d79c09f796bc731643862a909020c80697bc..98ced26947a3d84e012cf1f4099e67c44a79899b 100644 (file)
--- a/luatz/tzcache.lua
+++ b/luatz/tzcache.lua
@@ -1,12 +1,16 @@
 local read_tzfile = require "luatz.tzfile".read_tzfile
 
+local base_zoneinfo_path = "/usr/share/zoneinfo/"
+local local_zoneinfo_path = "/etc/localtime"
 local tz_cache = { }
 
 local function name_to_zoneinfo_path ( name )
-       if name then
-               return "/usr/share/zoneinfo/" .. name
+       if name == nil then
+               return local_zoneinfo_path
+       elseif name:sub ( 1 , 1 ) == "/" then
+               return name
        else
-               return "/etc/localtime"
+               return base_zoneinfo_path .. name
        end
 end