github.com/hxx258456/ccgo@v0.0.5-0.20230213014102-48b35f46f66f/net/ipv6/helper_posix_test.go (about)

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
     6  // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
     7  
     8  package ipv6_test
     9  
    10  import (
    11  	"os"
    12  	"syscall"
    13  )
    14  
    15  func protocolNotSupported(err error) bool {
    16  	switch err := err.(type) {
    17  	case syscall.Errno:
    18  		switch err {
    19  		case syscall.EPROTONOSUPPORT, syscall.ENOPROTOOPT:
    20  			return true
    21  		}
    22  	case *os.SyscallError:
    23  		switch err := err.Err.(type) {
    24  		case syscall.Errno:
    25  			switch err {
    26  			case syscall.EPROTONOSUPPORT, syscall.ENOPROTOOPT:
    27  				return true
    28  			}
    29  		}
    30  	}
    31  	return false
    32  }