36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
// Copyright 2021 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//go:build !nacl && !js && cgo
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// +build !nacl,!js,cgo
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package rlp
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import (
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"reflect"
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"unsafe"
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)
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// byteArrayBytes returns a slice of the byte array v.
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func byteArrayBytes(v reflect.Value, length int) []byte {
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var s []byte
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hdr := (*reflect.SliceHeader)(unsafe.Pointer(&s))
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hdr.Data = v.UnsafeAddr()
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hdr.Cap = length
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hdr.Len = length
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return s
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}
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