// 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. package socket import ( "syscall" "unsafe" ) func getsockopt(s uintptr, level, name int, b []byte) (int, error) { l := uint32(len(b)) err := syscall.Getsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), (*int32)(unsafe.Pointer(&l))) return int(l), err } func setsockopt(s uintptr, level, name int, b []byte) error { return syscall.Setsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), int32(len(b))) }