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Itern special key should return null as userdata ptr

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XmiliaH 2022-03-31 15:32:23 +02:00
parent e2c312e0de
commit 5ca3897c4f
1 changed files with 1 additions and 0 deletions
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src/lj_obj.h
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@ -845,6 +845,7 @@ static LJ_AINLINE void *lightudV(global_State *g, cTValue *o)
uint64_t seg = lightudseg(u);
uint32_t *segmap = mref(g->gc.lightudseg, uint32_t);
lj_assertG(tvislightud(o), "lightuserdata expected");
if (seg == (1 << LJ_LIGHTUD_BITS_SEG)-1) return NULL;
lj_assertG(seg <= g->gc.lightudnum, "bad lightuserdata segment %d", seg);
return (void *)(((uint64_t)segmap[seg] << 32) | lightudlo(u));
}