upstream/bind9
1
0
Fork 0
mirror of https://github.com/isc-projects/bind9.git synced 2026-06-10 16:50:00 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Allow a dbiterator to be restarted (with dns_dbiterator_first()) so long

Browse source 
as an error has not occurred.
Have dns_dbiterator_first() return DNS_R_NOMORE if the tree is empty.
This commit is contained in:
Bob Halley 1999-05-10 21:21:55 +00:00
parent b75ba761f4
commit 480ad611fe
1 changed files with 10 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
lib/dns/rbtdb.c
View file

@ -3077,7 +3077,8 @@ dbiterator_first(dns_dbiterator_t *iterator) {
dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db;
dns_name_t *name, *origin;
if (rbtdbiter->result != DNS_R_SUCCESS)
if (rbtdbiter->result != DNS_R_SUCCESS &&
rbtdbiter->result != DNS_R_NOMORE)
return (rbtdbiter->result);
unpause(rbtdbiter);
@ -3094,18 +3095,22 @@ dbiterator_first(dns_dbiterator_t *iterator) {
origin);
if (result != DNS_R_NEWORIGIN) {
INSIST(result != DNS_R_SUCCESS);
rbtdbiter->result = result;
if (result == DNS_R_NOTFOUND) {
/*
* The tree is empty.
*/
result = DNS_R_NOMORE;
}
rbtdbiter->node = NULL;
} else {
result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL,
NULL, &rbtdbiter->node);
if (result == DNS_R_SUCCESS)
rbtdbiter->new_origin = ISC_TRUE;
else {
rbtdbiter->result = result;
else
rbtdbiter->node = NULL;
}
}
rbtdbiter->result = result;
return (result);
}