30 lines
492 B
Go
30 lines
492 B
Go
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package utf16
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import (
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"encoding/binary"
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"fmt"
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"unicode/utf8"
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)
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func FromUTF8(data []byte) (res []byte) {
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endian := binary.LittleEndian
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res = make([]byte, (len(data)+1)*2)
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res = res[:2]
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endian.PutUint16(res, 0xfeff)
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for len(data) > 0 {
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r, size := utf8.DecodeRune(data)
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if r > 65535 {
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panic(fmt.Errorf("r=0x%x > 0xffff", r))
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}
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slen := len(res)
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res = res[:slen+2]
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endian.PutUint16(res[slen:], uint16(r))
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data = data[size:]
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}
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return
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}
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