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71029cea2d
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
59 lines
1008 B
Go
59 lines
1008 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package words contains accessors for some nice words.
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package words
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import (
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"bytes"
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_ "embed"
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"strings"
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"sync"
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)
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//go:embed tails.txt
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var tailsTxt []byte
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//go:embed scales.txt
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var scalesTxt []byte
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var (
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once sync.Once
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tails, scales []string
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)
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// Tails returns words about tails.
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func Tails() []string {
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once.Do(initWords)
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return tails
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}
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// Scales returns words about scales.
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func Scales() []string {
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once.Do(initWords)
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return scales
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}
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func initWords() {
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tails = parseWords(tailsTxt)
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scales = parseWords(scalesTxt)
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}
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func parseWords(txt []byte) []string {
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n := bytes.Count(txt, []byte{'\n'})
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ret := make([]string, 0, n)
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for len(txt) > 0 {
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word := txt
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i := bytes.IndexByte(txt, '\n')
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if i != -1 {
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word, txt = word[:i], txt[i+1:]
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} else {
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txt = nil
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}
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if word := strings.TrimSpace(string(word)); word != "" && word[0] != '#' {
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ret = append(ret, word)
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}
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}
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return ret
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}
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