From 9d104ff0b910721c0daaf68c54a17d63e89e574b Mon Sep 17 00:00:00 2001
From: Rui Guo <firemeteor.guo@gmail.com>
Date: Mon, 15 Jun 2009 21:54:34 +0800
Subject: [PATCH] No longer check for duplicate hook.

---
 src/lua.c    | 18 ++----------------
 src/script.c | 13 -------------
 src/script.h |  1 -
 3 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/src/lua.c b/src/lua.c
index d09e280..e64ee98 100644
--- a/src/lua.c
+++ b/src/lua.c
@@ -341,7 +341,7 @@ callback_unhook(lua_State *L)
     }
   else
     {
-      LuaFreeHandler(L, &(*ppl)->handler);
+      LuaFreeHandler(L, (lua_handler *)&(*ppl)->handler);
       unregister_listener(*ppl);
       *ppl = 0;
       lua_pushboolean(L, 1);
@@ -1128,12 +1128,6 @@ LuaCheckHandler(lua_State *L, int idx, int ref)
   return LuaAllocHandler(NULL, key);
 }
 
-int
-LuaHdlrComp(void *h1, void *h2)
-{
-  return (lua_handler)h1 - (lua_handler)h2;
-}
-
 /* }}} **/
 
 static int
@@ -1231,14 +1225,7 @@ LuaRegEvent(lua_State *L)
       l->priv = priv;
       l->bd = &lua_binding;
       l->handler = (void *)lh;
-      if (register_listener(sev, l))
-        {
-          free(l);
-          if (lh->type == LUA_HANDLER_TYPE_N)
-            return luaL_error(L, "Handler %s has already been registered", lh->u.name);
-          else
-            return luaL_error(L, "Handler has already been registered");
-        }
+      register_listener(sev, l);
       /* Return the ticket for un-register */
       push_callback(L, &l);
     }
@@ -1267,7 +1254,6 @@ struct binding lua_binding =
     LuaCall,
     LuaSource,
     LuaDispatch,
-    LuaHdlrComp,
     0,     /*b_next*/
     &LuaFuncs
 };
diff --git a/src/script.c b/src/script.c
index f567115..9626228 100644
--- a/src/script.c
+++ b/src/script.c
@@ -247,22 +247,9 @@ register_listener(struct script_event *ev, struct listener *l)
   while(iter->chain && priv >= iter->chain->priv)
     {
       iter = iter->chain;
-      /* return if duplicate found*/
-      if (iter->bd == l->bd
-          && !iter->bd->bd_hdlrcmp(iter->handler, l->handler))
-        return 1;
     }
   p = iter;
 
-  while(iter->chain)
-    {
-      iter = iter->chain;
-      /* return if duplicate found*/
-      if (iter->bd == l->bd
-          && !iter->bd->bd_hdlrcmp(iter->handler, l->handler))
-        return 1;
-    }
-
   l->chain = p->chain;
   l->prev = p;
   if (p->chain)
diff --git a/src/script.h b/src/script.h
index 6870d31..422c02b 100644
--- a/src/script.h
+++ b/src/script.h
@@ -44,7 +44,6 @@ struct binding
    * a non-zero value will stop further
    * notification to the rest of the chain.*/
   int (*bd_dispatch) __P((void *handler, const char *params, va_list va)); 
-  int (*bd_hdlrcmp) __P((void * h1, void *h2));
   
   struct binding *b_next;
   struct ScriptFuncs *fns;
-- 
2.11.4.GIT