change ime_join_string implementation.

diff --git a/lua/lua-plugin-init.c b/lua/lua-plugin-init.c
index a59e6f2..4d86332 100644 (file)
--- a/lua/lua-plugin-init.c
+++ b/lua/lua-plugin-init.c
@@ -79,7 +79,7 @@ static int ime_join_string(lua_State* L){
   for ( i = 1; i < vec_len; ++i){
     lua_pushinteger(L, i);
     lua_gettable(L, 1);
-    str = lua_tolstring(L, 3, NULL);
+    str = luaL_checklstring(L, 3, NULL);
     luaL_addstring(&buf, str);
     lua_pop(L, 1);
     luaL_addstring(&buf, sep);
@@ -88,7 +88,7 @@ static int ime_join_string(lua_State* L){
   /* add tail of string list */
   lua_pushinteger(L, i);
   lua_gettable(L, 1);
-  str = lua_tolstring(L, 3, NULL);
+  str = luaL_checklstring(L, 3, NULL);
   luaL_addstring(&buf, str);
   lua_pop(L, 1);
   /* remove the args. */

diff --git a/lua/test.lua b/lua/test.lua
index b0ace98..c901bee 100644 (file)
--- a/lua/test.lua
+++ b/lua/test.lua
@@ -26,5 +26,6 @@ for k,v in pairs(_MAPPING) do
   end
 end
 
+-- print(ime.join_string({nil, "  "}, ","));
 
 print("test finished...");