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  //go:build cgo && !netgo && (aix || darwin || dragonfly || freebsd || netbsd || openbsd)
		 6  // +build cgo
		 7  // +build !netgo
		 8  // +build aix darwin dragonfly freebsd netbsd openbsd
		 9  
		10  package net
		11  
		12  /*
		13  #include <sys/types.h>
		14  #include <sys/socket.h>
		15  
		16  #include <netinet/in.h>
		17  */
		18  import "C"
		19  
		20  import (
		21  	"syscall"
		22  	"unsafe"
		23  )
		24  
		25  func cgoSockaddrInet4(ip IP) *C.struct_sockaddr {
		26  	sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
		27  	copy(sa.Addr[:], ip)
		28  	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
		29  }
		30  
		31  func cgoSockaddrInet6(ip IP, zone int) *C.struct_sockaddr {
		32  	sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6, Scope_id: uint32(zone)}
		33  	copy(sa.Addr[:], ip)
		34  	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
		35  }
		36  

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