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27 lines
515 B
27 lines
515 B
package main
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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)
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func NumberToBytes(num uint64, bits int) []byte {
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buf := new(bytes.Buffer)
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err := binary.Write(buf, binary.BigEndian, num)
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if err != nil {
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fmt.Println("binary.Write failed:", err)
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}
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return buf.Bytes()[buf.Len()-(bits / 8):]
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}
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func BytesToNumber(b []byte) (number uint64) {
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buf := bytes.NewReader(b)
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err := binary.Read(buf, binary.LittleEndian, &number)
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if err != nil {
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fmt.Println("binary.Read failed:", err)
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}
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return
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}
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