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Diffstat (limited to 'dhcpv4/option_rfc1035label.go')
-rw-r--r--dhcpv4/option_rfc1035label.go53
1 files changed, 0 insertions, 53 deletions
diff --git a/dhcpv4/option_rfc1035label.go b/dhcpv4/option_rfc1035label.go
deleted file mode 100644
index d0972ed..0000000
--- a/dhcpv4/option_rfc1035label.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package dhcpv4
-
-import (
- "fmt"
- "strings"
-)
-
-func labelsFromBytes(buf []byte) ([]string, error) {
- var (
- pos = 0
- domains = make([]string, 0)
- label = ""
- )
- for {
- if pos >= len(buf) {
- return domains, nil
- }
- length := int(buf[pos])
- pos++
- if length == 0 {
- domains = append(domains, label)
- label = ""
- }
- if len(buf)-pos < length {
- return nil, fmt.Errorf("DomainNamesFromBytes: invalid short label length")
- }
- if label != "" {
- label += "."
- }
- label += string(buf[pos : pos+length])
- pos += length
- }
-}
-
-func labelToBytes(label string) []byte {
- var encodedLabel []byte
- if len(label) == 0 {
- return []byte{0}
- }
- for _, part := range strings.Split(label, ".") {
- encodedLabel = append(encodedLabel, byte(len(part)))
- encodedLabel = append(encodedLabel, []byte(part)...)
- }
- return append(encodedLabel, 0)
-}
-
-func labelsToBytes(labels []string) []byte {
- var encodedLabels []byte
- for _, label := range labels {
- encodedLabels = append(encodedLabels, labelToBytes(label)...)
- }
- return encodedLabels
-}