http: new function to merge config sets

diff --git a/modules/http/http.lua.in b/modules/http/http.lua.in
index 7bdadb13f44a0408472a0dc39b0128820f2696ec..5db6721b90fefbc3e8613a9235ec55563929bb4c 100644 (file)
--- a/modules/http/http.lua.in
+++ b/modules/http/http.lua.in
@@ -279,6 +279,18 @@ local function updatecert(crtfile, keyfile)
        return crt, key
 end
 
+-- @function Merge dictionaries.
+-- Values from right-hand side dictionaries take precedence.
+function M.mergeconf(...)
+       local merged = {}
+       for _, intable in ipairs({...}) do
+               for key, val in pairs(intable) do
+                       merged[key] = val
+               end
+       end
+       return merged
+end
+
 -- @function Listen on given HTTP(s) host
 function M.add_interface(conf)
        local crt, key, ephemeral