diff options
Diffstat (limited to 'lib/dns/rdata.c')
| -rw-r--r-- | lib/dns/rdata.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/lib/dns/rdata.c b/lib/dns/rdata.c index 32598002..77c7f7bd 100644 --- a/lib/dns/rdata.c +++ b/lib/dns/rdata.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rdata.c,v 1.203 2009/10/08 23:13:07 marka Exp $ */ +/* $Id: rdata.c,v 1.204 2009/12/04 21:09:33 marka Exp $ */ /*! \file */ @@ -349,6 +349,37 @@ dns_rdata_compare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) { return (result); } +int +dns_rdata_casecompare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) { + int result = 0; + isc_boolean_t use_default = ISC_FALSE; + + REQUIRE(rdata1 != NULL); + REQUIRE(rdata2 != NULL); + REQUIRE(rdata1->data != NULL); + REQUIRE(rdata2->data != NULL); + REQUIRE(DNS_RDATA_VALIDFLAGS(rdata1)); + REQUIRE(DNS_RDATA_VALIDFLAGS(rdata2)); + + if (rdata1->rdclass != rdata2->rdclass) + return (rdata1->rdclass < rdata2->rdclass ? -1 : 1); + + if (rdata1->type != rdata2->type) + return (rdata1->type < rdata2->type ? -1 : 1); + + CASECOMPARESWITCH + + if (use_default) { + isc_region_t r1; + isc_region_t r2; + + dns_rdata_toregion(rdata1, &r1); + dns_rdata_toregion(rdata2, &r2); + result = isc_region_compare(&r1, &r2); + } + return (result); +} + /*** *** Conversions ***/ |