Remove qname string

Makefile

@@ -17,7 +17,6 @@ GOFILES=\
 	kscan.go\
 	msg.go\
 	nsec3.go \
-	qnamestring.go\
 	rawmsg.go \
 	server.go \
 	tsig.go\

qnamestring.go

@@ -1,60 +0,0 @@
-// Copyright 2011 Miek Gieben. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package dns
-
-const initialSize = 8
-
-type QnameString []string
-
-func NewQnameString() *QnameString {
-	p := make(QnameString, 0)
-	return &p
-}
-
-func (p *QnameString) Insert(i int, x string) {
-	p.Expand(i, 1)
-	(*p)[i] = x
-
-}
-func (p *QnameString) Expand(i, n int) {
-	a := *p
-
-	// make sure we have enough space
-	len0 := len(a)
-	len1 := len0 + n
-	if len1 <= cap(a) {
-		// enough space - just expand
-		a = a[0:len1]
-	} else {
-		// not enough space - double capacity
-		capb := cap(a) * 2
-		if capb < len1 {
-			// still not enough - use required length
-			capb = len1
-		}
-		// capb >= len1
-		a = p.realloc(len1, capb)
-	}
-
-	// make a hole
-	for j := len0 - 1; j >= i; j-- {
-		a[j+n] = a[j]
-	}
-
-	*p = a
-}
-
-func (p *QnameString) realloc(length, capacity int) (b []string) {
-	if capacity < initialSize {
-		capacity = initialSize
-	}
-	if capacity < length {
-		capacity = length
-	}
-	b = make(QnameString, length, capacity)
-	copy(b, *p)
-	*p = b
-	return
-}