blob: 6611fd7a3bea7d6073ddc1f4f1e0ef1236f846b7 [file] [log] [blame]
// Copyright 2015 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 cgo && !netgo && (aix || darwin || hurd || (linux && !android) || netbsd || solaris)
// +build cgo
// +build !netgo
// +build aix darwin hurd linux,!android netbsd solaris
package net
/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
*/
import (
"syscall"
)
//extern getnameinfo
func libc_getnameinfo(*syscall.RawSockaddr, syscall.Socklen_t, *byte, syscall.Size_t, *byte, syscall.Size_t, int) int
func cgoNameinfoPTR(b []byte, sa *syscall.RawSockaddr, salen syscall.Socklen_t) (int, error) {
syscall.Entersyscall()
gerrno := libc_getnameinfo(sa, salen, &b[0], syscall.Size_t(len(b)), nil, 0, syscall.NI_NAMEREQD)
syscall.Exitsyscall()
var err error
if gerrno == syscall.EAI_SYSTEM {
errno := syscall.GetErrno()
if errno != 0 {
err = errno
}
}
return gerrno, err
}