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stackexchange-dnscontrol/vendor/github.com/miekg/dns/duplicate.go
Tom Limoncelli f708f19535 Update many modules (#620)
* Update many modules.

go get -u golang.org/x/net
go get -u github.com/aws/aws-sdk-go
go get -u golang.org/x/oauth2
go get -u google.golang.org/api
go get -u gopkg.in/yaml.v2
go mod tidy

* Update modules

go get -u github.com/tiramiseb/go-gandi
go get -u github.com/miekg/dns
go mod tidy
2020-02-12 21:16:35 -05:00

39 lines
955 B
Go

package dns
//go:generate go run duplicate_generate.go
// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL.
// So this means the header data is equal *and* the RDATA is the same. Return true
// is so, otherwise false.
// It's a protocol violation to have identical RRs in a message.
func IsDuplicate(r1, r2 RR) bool {
// Check whether the record header is identical.
if !r1.Header().isDuplicate(r2.Header()) {
return false
}
// Check whether the RDATA is identical.
return r1.isDuplicate(r2)
}
func (r1 *RR_Header) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RR_Header)
if !ok {
return false
}
if r1.Class != r2.Class {
return false
}
if r1.Rrtype != r2.Rrtype {
return false
}
if !isDuplicateName(r1.Name, r2.Name) {
return false
}
// ignore TTL
return true
}
// isDuplicateName checks if the domain names s1 and s2 are equal.
func isDuplicateName(s1, s2 string) bool { return equal(s1, s2) }