mirror of
https://github.com/fumiama/go-base16384.git
synced 2026-06-05 00:32:52 +08:00
39 lines
726 B
Go
39 lines
726 B
Go
//go:build amd64
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// +build amd64
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package base14
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import (
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"encoding/binary"
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)
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//go:noescape
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//go:nosplit
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func _encode(offset, outlen int, b, encd []byte) (sum uint64, n uint64)
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//go:noescape
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//go:nosplit
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func _decode(offset, outlen int, b, decd []byte)
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func encode(offset, outlen int, b, encd []byte) {
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if len(b) == 7 {
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b = append(b, 0)
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}
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sum, n := _encode(offset, outlen, b, encd)
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if offset == 0 {
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return
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}
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var tmp [8]byte
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binary.LittleEndian.PutUint64(tmp[:], sum)
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copy(encd[n:], tmp[:])
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encd[outlen-2] = '='
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encd[outlen-1] = byte(offset)
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}
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func decode(offset, outlen int, b, decd []byte) {
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if offset != 0 && cap(b) == len(b) {
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b = append(b, make([]byte, 8)...)
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}
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_decode(offset, outlen, b, decd)
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}
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