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Rechain pseudo-resurrected string keys with colliding hashes.

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Mike Pall 2010-07-04 23:07:21 +02:00
parent bbd1584d5f
commit 7d5a3cb5d4
1 changed files with 12 additions and 0 deletions
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12
src/lj_tab.c
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@ -439,6 +439,18 @@ TValue *lj_tab_newkey(lua_State *L, GCtab *t, cTValue *key)
freenode->next = n->next; freenode->next = n->next;
setmref(n->next, NULL); setmref(n->next, NULL);
setnilV(&n->val); setnilV(&n->val);
/* Rechain pseudo-resurrected string keys with colliding hashes. */
while (nextnode(freenode)) {
Node *nn = nextnode(freenode);
if (tvisstr(&nn->key) && !tvisnil(&nn->val) &&
hashstr(t, strV(&nn->key)) == n) {
freenode->next = nn->next;
nn->next = n->next;
setmref(n->next, nn);
} else {
freenode = nn;
}
}
} else { /* Otherwise use free node. */ } else { /* Otherwise use free node. */
setmrefr(freenode->next, n->next); /* Insert into chain. */ setmrefr(freenode->next, n->next); /* Insert into chain. */
setmref(n->next, freenode); setmref(n->next, freenode);