1 files changed, 23 insertions, 1 deletions

diff --git a/src/bin/rclauncher.c b/src/bin/rclauncher.c
index 4ff23e4a..4a99c491 100644
--- a/src/bin/rclauncher.c
+++ b/src/bin/rclauncher.c
@@ -42,8 +42,17 @@ static int runlua (lua_State *L, const char *lua_string, int argc, char *argv[])
         err_func = lua_gettop (L);
         err = luaL_loadstring (L, lua_string);
         if(!err) {
+          // fill global arg table
+          lua_getglobal(L, "arg");
           int i;
           for(i = 1; i < argc; i++)
+          {
+            lua_pushstring(L, argv[i]);
+                lua_rawseti(L, -2, i);
+          }
+          lua_pop(L, 1);
+          // fill parameters (in vararg '...')
+          for(i = 1; i < argc; i++)
             lua_pushstring(L, argv[i]);
           return lua_pcall (L, argc - 1, LUA_MULTRET, err_func);
         } else return err;
@@ -84,9 +93,15 @@ int main (int argc, char *argv[]) {
         lua_State *L = lua_open();
         (void)argc; /* avoid "unused parameter" warning */
         luaL_openlibs(L);
+        lua_newtable(L);  // create arg table
+        lua_pushstring(L, argv[0]);  // add interpreter to arg table
+        lua_rawseti(L, -2, -1);  
         dwLength = GetModulePath( NULL, name, MAX_PATH );
         if(dwLength) { /* Optional bootstrap */
-          strcat(name, ".lua");
+          strcat(name, ".lua");  
+          lua_pushstring(L, name);  // add lua script to arg table
+          lua_rawseti(L, -2, 0);
+          lua_setglobal(L,"arg");  // set global arg table
           if(!luaL_loadfile (L, name)) {
             if(lua_pcall (L, 0, LUA_MULTRET, 0)) {
               report (L);
@@ -95,6 +110,13 @@ int main (int argc, char *argv[]) {
             }
           }
         }
+        else
+        {
+          lua_pushstring(L, argv[0]);  // no lua script, so add interpreter again, now as lua script
+          lua_rawseti(L, -2, 0);
+          lua_setglobal(L,"arg");  // set global arg table
+        }
+
         luaL_buffinit(L, &b);
         for(i = 1; ; i++) {
 #ifdef UNICODE