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Source file src/net/cgo_sockold.go

Documentation: net

     1  // Copyright 2015 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  // +build cgo,!netgo
     6  // +build darwin dragonfly freebsd netbsd openbsd
     7  
     8  package net
     9  
    10  /*
    11  #include <sys/types.h>
    12  #include <sys/socket.h>
    13  
    14  #include <netinet/in.h>
    15  */
    16  import "C"
    17  
    18  import (
    19  	"syscall"
    20  	"unsafe"
    21  )
    22  
    23  func cgoSockaddrInet4(ip IP) *C.struct_sockaddr {
    24  	sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
    25  	copy(sa.Addr[:], ip)
    26  	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
    27  }
    28  
    29  func cgoSockaddrInet6(ip IP, zone int) *C.struct_sockaddr {
    30  	sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6, Scope_id: uint32(zone)}
    31  	copy(sa.Addr[:], ip)
    32  	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
    33  }
    34  

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