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Diffstat (limited to 'vendor/golang.org/x/net/route/sys.go')
-rw-r--r--vendor/golang.org/x/net/route/sys.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/route/sys.go b/vendor/golang.org/x/net/route/sys.go
new file mode 100644
index 0000000..3d0ee9b
--- /dev/null
+++ b/vendor/golang.org/x/net/route/sys.go
@@ -0,0 +1,39 @@
+// Copyright 2016 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 route
+
+import "unsafe"
+
+var (
+ nativeEndian binaryByteOrder
+ kernelAlign int
+ wireFormats map[int]*wireFormat
+)
+
+func init() {
+ i := uint32(1)
+ b := (*[4]byte)(unsafe.Pointer(&i))
+ if b[0] == 1 {
+ nativeEndian = littleEndian
+ } else {
+ nativeEndian = bigEndian
+ }
+ kernelAlign, wireFormats = probeRoutingStack()
+}
+
+func roundup(l int) int {
+ if l == 0 {
+ return kernelAlign
+ }
+ return (l + kernelAlign - 1) & ^(kernelAlign - 1)
+}
+
+type wireFormat struct {
+ extOff int // offset of header extension
+ bodyOff int // offset of message body
+ parse func(RIBType, []byte) (Message, error)
+}