Thanos did someting

[bytom/vapor.git] / vendor / github.com / syndtr / goleveldb / leveldb / util / hash.go

diff --git a/vendor/github.com/syndtr/goleveldb/leveldb/util/hash.go b/vendor/github.com/syndtr/goleveldb/leveldb/util/hash.go
deleted file mode 100644 (file)
index 7f3fa4e..0000000
--- a/vendor/github.com/syndtr/goleveldb/leveldb/util/hash.go
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
-// All rights reserved.
-//
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package util
-
-import (
-       "encoding/binary"
-)
-
-// Hash return hash of the given data.
-func Hash(data []byte, seed uint32) uint32 {
-       // Similar to murmur hash
-       const (
-               m = uint32(0xc6a4a793)
-               r = uint32(24)
-       )
-       var (
-               h = seed ^ (uint32(len(data)) * m)
-               i int
-       )
-
-       for n := len(data) - len(data)%4; i < n; i += 4 {
-               h += binary.LittleEndian.Uint32(data[i:])
-               h *= m
-               h ^= (h >> 16)
-       }
-
-       switch len(data) - i {
-       default:
-               panic("not reached")
-       case 3:
-               h += uint32(data[i+2]) << 16
-               fallthrough
-       case 2:
-               h += uint32(data[i+1]) << 8
-               fallthrough
-       case 1:
-               h += uint32(data[i])
-               h *= m
-               h ^= (h >> r)
-       case 0:
-       }
-
-       return h
-}