From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Sun, 7 Jul 2019 21:33:44 +0100
Subject: Switch to modules

---
 vendor/golang.org/x/sys/unix/sockcmsg_unix.go | 104 --------------------------
 1 file changed, 104 deletions(-)
 delete mode 100644 vendor/golang.org/x/sys/unix/sockcmsg_unix.go

(limited to 'vendor/golang.org/x/sys/unix/sockcmsg_unix.go')

diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_unix.go b/vendor/golang.org/x/sys/unix/sockcmsg_unix.go
deleted file mode 100644
index bb756ec..0000000
--- a/vendor/golang.org/x/sys/unix/sockcmsg_unix.go
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright 2011 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 darwin dragonfly freebsd linux netbsd openbsd solaris
-
-// Socket control messages
-
-package unix
-
-import "unsafe"
-
-// Round the length of a raw sockaddr up to align it properly.
-func cmsgAlignOf(salen int) int {
-	salign := sizeofPtr
-	// NOTE: It seems like 64-bit Darwin, DragonFly BSD and
-	// Solaris kernels still require 32-bit aligned access to
-	// network subsystem.
-	if darwin64Bit || dragonfly64Bit || solaris64Bit {
-		salign = 4
-	}
-	return (salen + salign - 1) & ^(salign - 1)
-}
-
-// CmsgLen returns the value to store in the Len field of the Cmsghdr
-// structure, taking into account any necessary alignment.
-func CmsgLen(datalen int) int {
-	return cmsgAlignOf(SizeofCmsghdr) + datalen
-}
-
-// CmsgSpace returns the number of bytes an ancillary element with
-// payload of the passed data length occupies.
-func CmsgSpace(datalen int) int {
-	return cmsgAlignOf(SizeofCmsghdr) + cmsgAlignOf(datalen)
-}
-
-func cmsgData(h *Cmsghdr) unsafe.Pointer {
-	return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
-}
-
-// SocketControlMessage represents a socket control message.
-type SocketControlMessage struct {
-	Header Cmsghdr
-	Data   []byte
-}
-
-// ParseSocketControlMessage parses b as an array of socket control
-// messages.
-func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
-	var msgs []SocketControlMessage
-	i := 0
-	for i+CmsgLen(0) <= len(b) {
-		h, dbuf, err := socketControlMessageHeaderAndData(b[i:])
-		if err != nil {
-			return nil, err
-		}
-		m := SocketControlMessage{Header: *h, Data: dbuf}
-		msgs = append(msgs, m)
-		i += cmsgAlignOf(int(h.Len))
-	}
-	return msgs, nil
-}
-
-func socketControlMessageHeaderAndData(b []byte) (*Cmsghdr, []byte, error) {
-	h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
-	if h.Len < SizeofCmsghdr || uint64(h.Len) > uint64(len(b)) {
-		return nil, nil, EINVAL
-	}
-	return h, b[cmsgAlignOf(SizeofCmsghdr):h.Len], nil
-}
-
-// UnixRights encodes a set of open file descriptors into a socket
-// control message for sending to another process.
-func UnixRights(fds ...int) []byte {
-	datalen := len(fds) * 4
-	b := make([]byte, CmsgSpace(datalen))
-	h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
-	h.Level = SOL_SOCKET
-	h.Type = SCM_RIGHTS
-	h.SetLen(CmsgLen(datalen))
-	data := cmsgData(h)
-	for _, fd := range fds {
-		*(*int32)(data) = int32(fd)
-		data = unsafe.Pointer(uintptr(data) + 4)
-	}
-	return b
-}
-
-// ParseUnixRights decodes a socket control message that contains an
-// integer array of open file descriptors from another process.
-func ParseUnixRights(m *SocketControlMessage) ([]int, error) {
-	if m.Header.Level != SOL_SOCKET {
-		return nil, EINVAL
-	}
-	if m.Header.Type != SCM_RIGHTS {
-		return nil, EINVAL
-	}
-	fds := make([]int, len(m.Data)>>2)
-	for i, j := 0, 0; i < len(m.Data); i += 4 {
-		fds[j] = int(*(*int32)(unsafe.Pointer(&m.Data[i])))
-		j++
-	}
-	return fds, nil
-}
-- 
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