commit 68587639945aa68844871fdd74a6729b653f523a
parent b68fb7f62e1475e28a4cb27569e8b659f925e114
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 1 Feb 2001 11:56:27 -0200
bug in lua_pushuserdata(L, NULL)
Diffstat:
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/bugs b/bugs
@@ -250,3 +250,8 @@ Fri Dec 22 15:30:42 EDT 2000
>> when `read' fails it must return nil (and not no value)
(by cassino; since at least 3.1)
+** lstring.c/lapi.c
+Thu Feb 1 11:55:45 EDT 2001
+>> lua_pushuserdata(L, NULL) is buggy
+(by Edgar Toernig; since 4.0)
+
diff --git a/lapi.c b/lapi.c
@@ -1,5 +1,5 @@
/*
-** $Id: lapi.c,v 1.121 2001/01/26 11:45:51 roberto Exp roberto $
+** $Id: lapi.c,v 1.122 2001/01/29 17:16:58 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -702,6 +702,7 @@ LUA_API void *lua_newuserdata (lua_State *L, size_t size) {
TString *ts;
void *p;
LUA_LOCK;
+ if (size == 0) size = 1;
ts = luaS_newudata(L, size, NULL);
setuvalue(L->top, ts);
api_incr_top(L);
diff --git a/lstring.c b/lstring.c
@@ -1,5 +1,5 @@
/*
-** $Id: lstring.c,v 1.52 2001/01/26 15:58:50 roberto Exp roberto $
+** $Id: lstring.c,v 1.53 2001/01/29 19:34:02 roberto Exp roberto $
** String table (keeps all strings handled by Lua)
** See Copyright Notice in lua.h
*/
@@ -97,7 +97,7 @@ TString *luaS_newudata (lua_State *L, size_t s, void *udata) {
ts->nexthash = NULL;
ts->len = s;
ts->u.d.tag = 0;
- ts->u.d.value = (udata == NULL) ? uts+1 : udata;
+ ts->u.d.value = (s > 0) ? uts+1 : udata;
/* insert it on table */
newentry(L, &G(L)->udt, ts, lmod(IntPoint(ts->u.d.value), G(L)->udt.size));
return ts;