1 files changed, 33 insertions, 0 deletions
diff --git a/src/net/cgo_sockold.go b/src/net/cgo_sockold.go
new file mode 100644
index 0000000..e1e642b
--- /dev/null
+++ b/src/net/cgo_sockold.go
@@ -0,0 +1,33 @@
+// 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.
+
+// +build cgo,!netgo
+// +build aix darwin dragonfly freebsd netbsd openbsd
+
+package net
+
+/*
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+*/
+import "C"
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func cgoSockaddrInet4(ip IP) *C.struct_sockaddr {
+	sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
+	copy(sa.Addr[:], ip)
+	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
+}
+
+func cgoSockaddrInet6(ip IP, zone int) *C.struct_sockaddr {
+	sa := syscall.RawSockaddrInet6{Len: syscall.SizeofSockaddrInet6, Family: syscall.AF_INET6, Scope_id: uint32(zone)}
+	copy(sa.Addr[:], ip)
+	return (*C.struct_sockaddr)(unsafe.Pointer(&sa))
+}