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dns/dnsmessage: clarify a few things in docs, fix typo

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Change-Id: Id01c6552b85cad0554a86bd4aa4547dbea4983eb
Reviewed-on: https://go-review.googlesource.com/c/net/+/369354
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
This commit is contained in:
Brad Fitzpatrick
2021-12-04 10:30:30 -08:00
parent 4852103109
commit 012df41ee6
1 changed files with 11 additions and 11 deletions
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22
dns/dnsmessage/message.go
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@@ -125,14 +125,14 @@ func (o OpCode) GoString() string {
// An RCode is a DNS response status code.
type RCode uint16
// Header.RCode values.
const (
// Message.Rcode
RCodeSuccess RCode = 0
RCodeFormatError RCode = 1
RCodeServerFailure RCode = 2
RCodeNameError RCode = 3
RCodeNotImplemented RCode = 4
RCodeRefused RCode = 5
RCodeSuccess RCode = 0 // NoError
RCodeFormatError RCode = 1 // FormErr
RCodeServerFailure RCode = 2 // ServFail
RCodeNameError RCode = 3 // NXDomain
RCodeNotImplemented RCode = 4 // NotImp
RCodeRefused RCode = 5 // Refused
)
var rCodeNames = map[RCode]string{
@@ -1207,8 +1207,8 @@ type Builder struct {
//
// The DNS message is appended to the provided initial buffer buf (which may be
// nil) as it is built. The final message is returned by the (*Builder).Finish
// method, which may return the same underlying array if there was sufficient
// capacity in the slice.
// method, which includes buf[:len(buf)] and may return the same underlying
// array if there was sufficient capacity in the slice.
func NewBuilder(buf []byte, h Header) Builder {
if buf == nil {
buf = make([]byte, 0, packStartingCap)
@@ -1713,7 +1713,7 @@ const (
// SetEDNS0 configures h for EDNS(0).
//
// The provided extRCode must be an extedned RCode.
// The provided extRCode must be an extended RCode.
func (h *ResourceHeader) SetEDNS0(udpPayloadLen int, extRCode RCode, dnssecOK bool) error {
h.Name = Name{Data: [nameLen]byte{'.'}, Length: 1} // RFC 6891 section 6.1.2
h.Type = TypeOPT
@@ -1880,7 +1880,7 @@ const nameLen = 255
// A Name is a non-encoded domain name. It is used instead of strings to avoid
// allocations.
type Name struct {
Data [nameLen]byte
Data [nameLen]byte // 255 bytes
Length uint8
}