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make the initial iterator state of rdatasets undefined

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so that we can detect cases where the user fails to call dns_rdataset_first()
before calling dns_rdataset_current()
This commit is contained in:
Andreas Gustafsson 2000-09-06 23:16:14 +00:00
parent 5a04a68b46
commit 1ed3e846a2
1 changed files with 7 additions and 14 deletions
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21
lib/dns/rbtdb.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rbtdb.c,v 1.123 2000/09/06 02:39:57 explorer Exp $ */
/* $Id: rbtdb.c,v 1.124 2000/09/06 23:16:14 gson Exp $ */
/*
* Principal Author: Bob Halley
@ -1168,19 +1168,12 @@ bind_rdataset(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node,
rdataset->private3 = raw;
count = raw[0] * 256 + raw[1];
raw += 2;
if (count == 0) {
rdataset->private4 = (void *)0;
rdataset->private5 = NULL;
} else {
/*
* The private4 field is the number of rdata beyond
* the cursor position, so we decrement the total
* count by one before storing it.
*/
count--;
rdataset->private4 = (void *)count;
rdataset->private5 = raw;
}
/*
* Reset iterator state.
*/
rdataset->private4 = NULL;
rdataset->private5 = NULL;
}
static inline isc_result_t