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17 lines
363 B
Go
17 lines
363 B
Go
package bytez
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const newline = '\n'
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// TerminateNewline returns a slice whose last byte is newline, if b is
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// non-empty. If b is empty or already newline-terminated, b is returned as-is.
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func TerminateNewline(b []byte) []byte {
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if len(b) == 0 || b[len(b)-1] == newline {
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return b
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}
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s := make([]byte, len(b)+1)
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copy(s, b)
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s[len(b)] = newline
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return s
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}
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