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tried to ascend a level in dns_rbtnodechain_next when at top level

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This commit is contained in:
David Lawrence 1999-04-22 14:16:52 +00:00
parent 9821041d63
commit 2292bceadf
1 changed files with 3 additions and 4 deletions
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7
lib/dns/rbt.c
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@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: rbt.c,v 1.45 1999/04/20 22:01:00 tale Exp $ */
/* $Id: rbt.c,v 1.46 1999/04/22 14:16:52 tale Exp $ */
/* Principal Authors: DCL */
@ -2076,13 +2076,12 @@ dns_rbtnodechain_next(dns_rbtnodechain_t *chain, dns_name_t *name,
}
}
if (successor == NULL) {
if (successor == NULL && chain->level_count > 0) {
/*
* Reached the root without having traversed
* any left pointers, so this level is done.
*/
INSIST(chain->level_count > 0 &&
chain->ancestor_count > 0);
INSIST(chain->ancestor_count > 0);
current = chain->levels[--chain->level_count];
chain->ancestor_count--;
new_origin = ISC_TRUE;