diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/sys.go')
-rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/sys.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/sys.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/sys.go new file mode 100644 index 000000000..4f0eead13 --- /dev/null +++ b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/sys.go @@ -0,0 +1,33 @@ +// Copyright 2017 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. + +package socket + +import ( + "encoding/binary" + "unsafe" +) + +var ( + // NativeEndian is the machine native endian implementation of + // ByteOrder. + NativeEndian binary.ByteOrder + + kernelAlign int +) + +func init() { + i := uint32(1) + b := (*[4]byte)(unsafe.Pointer(&i)) + if b[0] == 1 { + NativeEndian = binary.LittleEndian + } else { + NativeEndian = binary.BigEndian + } + kernelAlign = probeProtocolStack() +} + +func roundup(l int) int { + return (l + kernelAlign - 1) & ^(kernelAlign - 1) +} |