fix example of bare_api, check empty string
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@ -410,6 +410,7 @@ static int _count_utf8_bytes(const uint16_t *buf, size_t len) {
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}
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static void print_utf16(uint16_t *temp_buf, size_t buf_len) {
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if ((temp_buf[0] & 0xff) == 0) return; // empty
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size_t utf16_len = ((temp_buf[0] & 0xff) - 2) / sizeof(uint16_t);
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size_t utf8_len = (size_t) _count_utf8_bytes(temp_buf + 1, utf16_len);
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_convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len);
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