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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:
Mlgc.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); }