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37 lines
998 B
Go
37 lines
998 B
Go
// Copyright 2016 TiKV Project 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package typeutil
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import (
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"encoding/binary"
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"github.com/czs007/suvlim/errors"
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)
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// BytesToUint64 converts a byte slice to uint64.
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func BytesToUint64(b []byte) (uint64, error) {
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if len(b) != 8 {
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return 0, errors.Errorf("invalid data, must 8 bytes, but %d", len(b))
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}
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return binary.BigEndian.Uint64(b), nil
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}
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// Uint64ToBytes converts uint64 to a byte slice.
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func Uint64ToBytes(v uint64) []byte {
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b := make([]byte, 8)
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binary.BigEndian.PutUint64(b, v)
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return b
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}
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