mirrors/netboot
1
0
Fork 0
mirror of https://github.com/danderson/netboot.git synced 2025-10-16 18:11:21 +02:00
Code Issues Packages Projects Releases Wiki Activity

Document dhcp.Options.Uint16.

Browse Source
This commit is contained in:
David Anderson 2016-03-23 23:46:32 -07:00
parent 21d22e747d
commit 60581f4259
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
dhcp/options.go
View File

@ -138,18 +138,19 @@ func (o Options) marshalLimited(w io.Writer, nBytes int, skip52 bool) (Options,
// Byte returns the value of single-byte option n, if the option value // Byte returns the value of single-byte option n, if the option value
// is indeed a single byte. // is indeed a single byte.
func (o Options) Byte(n int) (byte, bool) { func (o Options) Byte(n int) (v byte, ok bool) {
v := o[n] bs := o[n]
if v == nil || len(v) != 1 { if bs == nil || len(bs) != 1 {
return 0, false return 0, false
} }
return v[0], true return bs[0], true
} }
func (o Options) Uint16(n int) (uint16, bool) { // Uint16 returns the value of option n interpreted as a uint16.
v := o[n] func (o Options) Uint16(n int) (v uint16, ok bool) {
if v == nil || len(v) != 2 { bs := o[n]
if bs == nil || len(bs) != 2 {
return 0, false return 0, false
} }
return binary.BigEndian.Uint16(v[:2]), true return binary.BigEndian.Uint16(bs[:2]), true
} }