Method initBuff

core/src/main/java/com/alibaba/druid/sql/parser/Lexer.java:165–175

(int size)

    }

    protected void initBuff(int size) {
        if (buf == null) {
            if (size < 32) {
                buf = new char[32];
            } else {
                buf = new char[size + 32];
            }
        } else if (buf.length < size) {
            buf = Arrays.copyOf(buf, size);
        }
    }

    public void arraycopy(int srcPos, char[] dest, int destPos, int length) {
        text.getChars(srcPos, srcPos + length, dest, destPos);