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mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-31 14:35:26 +00:00

check for singleton rdata type when merging slabs

This commit is contained in:
Bob Halley
2000-11-22 01:55:38 +00:00
parent 4f37905cc3
commit bab57cc87f

View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rdataslab.c,v 1.24 2000/11/22 00:18:34 halley Exp $ */
/* $Id: rdataslab.c,v 1.25 2000/11/22 01:55:38 halley Exp $ */
#include <config.h>
@@ -109,7 +109,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
buflen += (2 + rdatas[i-1].length);
/*
* Check that singleton types are actually singletons.
* Ensure that singleton types are actually singletons.
*/
if (nitems > 1 && dns_rdatatype_issingleton(rdataset->type)) {
/*
@@ -303,6 +303,17 @@ dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab,
if (!added_something && !force)
return (DNS_R_UNCHANGED);
/*
* Ensure that singleton types are actually singletons.
*/
if (tcount > 1 && dns_rdatatype_issingleton(type)) {
/*
* We have a singleton type, but there's more than one
* RR in the rdataset.
*/
return (DNS_R_SINGLETON);
}
/*
* Copy the reserved area from the new slab.
*/