lego/vendor/golang.org/x/net/ipv6/payload_cmsg.go
Ludovic Fernandez 6004e599ed Manage vendor (#557)
* feat: add dep configuration files.

* chore: add vendor folder.

* refactor: update Dockerfile.

* review: remove git from Dockerfile.

* review: remove RUN apk.

* review: dep status.

* feat: added .dockerignore
2018-05-30 16:28:41 -06:00

35 lines
1.1 KiB
Go

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !nacl,!plan9,!windows
package ipv6
import (
"net"
"syscall"
)
// ReadFrom reads a payload of the received IPv6 datagram, from the
// endpoint c, copying the payload into b. It returns the number of
// bytes copied into b, the control message cm and the source address
// src of the received datagram.
func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) {
if !c.ok() {
return 0, nil, nil, syscall.EINVAL
}
return c.readFrom(b)
}
// WriteTo writes a payload of the IPv6 datagram, to the destination
// address dst through the endpoint c, copying the payload from b. It
// returns the number of bytes written. The control message cm allows
// the IPv6 header fields and the datagram path to be specified. The
// cm may be nil if control of the outgoing datagram is not required.
func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) {
if !c.ok() {
return 0, syscall.EINVAL
}
return c.writeTo(b, cm, dst)
}