From 2f2b4a42a95c7a96e5e16b74ba1167690fcd6231 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 17 Aug 2005 16:05:04 -0300
Subject: luaL_checkudata raises an error if value is not correct (like other
 luaL_check functions)

---
 loadlib.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'loadlib.c')

diff --git a/loadlib.c b/loadlib.c
index d50a587a..81d46172 100644
--- a/loadlib.c
+++ b/loadlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: loadlib.c,v 1.37 2005/08/10 18:06:58 roberto Exp roberto $
+** $Id: loadlib.c,v 1.38 2005/08/15 14:12:32 roberto Exp roberto $
 ** Dynamic library loader for Lua
 ** See Copyright Notice in lua.h
 **
@@ -289,10 +289,8 @@ static void **ll_register (lua_State *L, const char *path) {
 */
 static int gctm (lua_State *L) {
   void **lib = (void **)luaL_checkudata(L, 1, "_LOADLIB");
-  if (lib) {
-    if (*lib) ll_unloadlib(*lib);
-    *lib = NULL;  /* mark library as closed */
-  }
+  if (*lib) ll_unloadlib(*lib);
+  *lib = NULL;  /* mark library as closed */
   return 0;
 }
 
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