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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/control_bsd.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/control_bsd.go40
1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/control_bsd.go b/vendor/golang.org/x/net/ipv4/control_bsd.go
new file mode 100644
index 0000000..77e7ad5
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/control_bsd.go
@@ -0,0 +1,40 @@
+// Copyright 2012 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 darwin dragonfly freebsd netbsd openbsd
+
+package ipv4
+
+import (
+ "net"
+ "syscall"
+ "unsafe"
+
+ "golang.org/x/net/internal/iana"
+ "golang.org/x/net/internal/socket"
+)
+
+func marshalDst(b []byte, cm *ControlMessage) []byte {
+ m := socket.ControlMessage(b)
+ m.MarshalHeader(iana.ProtocolIP, sysIP_RECVDSTADDR, net.IPv4len)
+ return m.Next(net.IPv4len)
+}
+
+func parseDst(cm *ControlMessage, b []byte) {
+ if len(cm.Dst) < net.IPv4len {
+ cm.Dst = make(net.IP, net.IPv4len)
+ }
+ copy(cm.Dst, b[:net.IPv4len])
+}
+
+func marshalInterface(b []byte, cm *ControlMessage) []byte {
+ m := socket.ControlMessage(b)
+ m.MarshalHeader(iana.ProtocolIP, sysIP_RECVIF, syscall.SizeofSockaddrDatalink)
+ return m.Next(syscall.SizeofSockaddrDatalink)
+}
+
+func parseInterface(cm *ControlMessage, b []byte) {
+ sadl := (*syscall.SockaddrDatalink)(unsafe.Pointer(&b[0]))
+ cm.IfIndex = int(sadl.Index)
+}