internal/socket/msghdr_linux_64bit.go

// Copyright 2017 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.

//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux

package socket

import "unsafe"

func (h *msghdr) setIov(vs []iovec) {
	l := len(vs)
	if l == 0 {
		return
	}
	h.Iov = &vs[0]
	h.Iovlen = uint64(l)
}

func (h *msghdr) setControl(b []byte) {
	h.Control = (*byte)(unsafe.Pointer(&b[0]))
	h.Controllen = uint64(len(b))
}