lua

commit a274596ecc6edc4a8f2377943ee86fac6ff80acc
parent 7e9bc41fe7539212165975478e2678e0ec9644c7
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Mon, 30 Mar 2009 15:38:00 -0300

avoid making 'lastfree' an invalid pointer

Diffstat:
M
ltable.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/ltable.c b/ltable.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltable.c,v 2.37 2007/04/18 19:24:35 roberto Exp roberto $
+** $Id: ltable.c,v 2.38 2008/01/30 18:05:23 roberto Exp roberto $
 ** Lua tables (hash)
 ** See Copyright Notice in lua.h
 */
@@ -376,7 +376,8 @@ void luaH_free (lua_State *L, Table *t) {
 
 
 static Node *getfreepos (Table *t) {
-  while (t->lastfree-- > t->node) {
+  while (t->lastfree > t->node) {
+    t->lastfree--;
     if (ttisnil(gkey(t->lastfree)))
       return t->lastfree;
   }