1 files changed, 0 insertions, 86 deletions
diff --git a/vendor/github.com/miekg/dns/sanitize.go b/vendor/github.com/miekg/dns/sanitize.go
deleted file mode 100644
index a638e862e..000000000
--- a/vendor/github.com/miekg/dns/sanitize.go
+++ /dev/null
@@ -1,86 +0,0 @@
-package dns
-
-// Dedup removes identical RRs from rrs. It preserves the original ordering.
-// The lowest TTL of any duplicates is used in the remaining one. Dedup modifies
-// rrs.
-// m is used to store the RRs temporary. If it is nil a new map will be allocated.
-func Dedup(rrs []RR, m map[string]RR) []RR {
-
-	if m == nil {
-		m = make(map[string]RR)
-	}
-	// Save the keys, so we don't have to call normalizedString twice.
-	keys := make([]*string, 0, len(rrs))
-
-	for _, r := range rrs {
-		key := normalizedString(r)
-		keys = append(keys, &key)
-		if mr, ok := m[key]; ok {
-			// Shortest TTL wins.
-			rh, mrh := r.Header(), mr.Header()
-			if mrh.Ttl > rh.Ttl {
-				mrh.Ttl = rh.Ttl
-			}
-			continue
-		}
-
-		m[key] = r
-	}
-	// If the length of the result map equals the amount of RRs we got,
-	// it means they were all different. We can then just return the original rrset.
-	if len(m) == len(rrs) {
-		return rrs
-	}
-
-	j := 0
-	for i, r := range rrs {
-		// If keys[i] lives in the map, we should copy and remove it.
-		if _, ok := m[*keys[i]]; ok {
-			delete(m, *keys[i])
-			rrs[j] = r
-			j++
-		}
-
-		if len(m) == 0 {
-			break
-		}
-	}
-
-	return rrs[:j]
-}
-
-// normalizedString returns a normalized string from r. The TTL
-// is removed and the domain name is lowercased. We go from this:
-// DomainName<TAB>TTL<TAB>CLASS<TAB>TYPE<TAB>RDATA to:
-// lowercasename<TAB>CLASS<TAB>TYPE...
-func normalizedString(r RR) string {
-	// A string Go DNS makes has: domainname<TAB>TTL<TAB>...
-	b := []byte(r.String())
-
-	// find the first non-escaped tab, then another, so we capture where the TTL lives.
-	esc := false
-	ttlStart, ttlEnd := 0, 0
-	for i := 0; i < len(b) && ttlEnd == 0; i++ {
-		switch {
-		case b[i] == '\\':
-			esc = !esc
-		case b[i] == '\t' && !esc:
-			if ttlStart == 0 {
-				ttlStart = i
-				continue
-			}
-			if ttlEnd == 0 {
-				ttlEnd = i
-			}
-		case b[i] >= 'A' && b[i] <= 'Z' && !esc:
-			b[i] += 32
-		default:
-			esc = false
-		}
-	}
-
-	// remove TTL.
-	copy(b[ttlStart:], b[ttlEnd:])
-	cut := ttlEnd - ttlStart
-	return string(b[:len(b)-cut])
-}