commit aff97fffc4a63cd25af313b4790409477c13d68a
parent 1648674653bd33775a6ab31539f9d9490b3282ae
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 21 Nov 2002 12:16:53 -0200
C functions cannot increase its top without filling the stack
Diffstat:
M | lgc.c | | | 14 | ++++++++------ |
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/lgc.c b/lgc.c
@@ -1,5 +1,5 @@
/*
-** $Id: lgc.c,v 1.158 2002/11/14 11:51:50 roberto Exp roberto $
+** $Id: lgc.c,v 1.159 2002/11/18 11:01:55 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -234,14 +234,16 @@ static void traversestack (GCState *st, lua_State *L1) {
StkId o, lim;
CallInfo *ci;
markobject(st, gt(L1));
- for (o=L1->stack; o<L1->top; o++)
- markobject(st, o);
- lim = o;
+ lim = L1->top;
for (ci = L1->base_ci; ci <= L1->ci; ci++) {
lua_assert(ci->top <= L1->stack_last);
- if (lim < ci->top) lim = ci->top;
+ if (!(ci->state & CI_C) && lim < ci->top)
+ lim = ci->top;
}
- for (; o<=lim; o++) setnilvalue(o);
+ for (o = L1->stack; o < L1->top; o++)
+ markobject(st, o);
+ for (; o <= lim; o++)
+ setnilvalue(o);
checkstacksizes(L1, lim);
}