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37 lines
1022 B
Go
37 lines
1022 B
Go
// Copyright 2017 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cpuutil
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import (
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"encoding/binary"
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"unsafe"
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)
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const intWidth int = int(unsafe.Sizeof(0))
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var byteOrder binary.ByteOrder
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// ByteOrder returns the byte order for the CPU's native endianness.
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func ByteOrder() binary.ByteOrder { return byteOrder }
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func init() {
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i := int(0x1)
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if v := (*[intWidth]byte)(unsafe.Pointer(&i)); v[0] == 0 {
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byteOrder = binary.BigEndian
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} else {
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byteOrder = binary.LittleEndian
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}
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}
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