ceph/src/arrow/go/arrow/bitutil/endian_default.go

   1 // Licensed to the Apache Software Foundation (ASF) under one
   2 // or more contributor license agreements.  See the NOTICE file
   3 // distributed with this work for additional information
   4 // regarding copyright ownership.  The ASF licenses this file
   5 // to you under the Apache License, Version 2.0 (the
   6 // "License"); you may not use this file except in compliance
   7 // with the License.  You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 // +build !s390x
  18
  19 package bitutil
  20
  21 import (
  22         "unsafe"
  23 )
  24
  25 var toFromLEFunc = func(in uint64) uint64 { return in }
  26
  27 func getLSB(v uint64) byte {
  28         return (*[8]byte)(unsafe.Pointer(&v))[0]
  29 }
  30
  31 func setLSB(v *uint64, b byte) {
  32         (*[8]byte)(unsafe.Pointer(v))[0] = b
  33 }