method

readpartial

Ruby latest stable (v1_9_3_392) - 0 notes - Class: Buffering

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180 (0)
1_9_3_125 (38)
1_9_3_392 (0)
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readpartial(maxlen, buf=nil) public

Reads at most maxlen bytes from the stream. If buf is provided it must reference a string which will receive the data.

See IO#readpartial for full details.

Show source

# File ext/openssl/lib/openssl/buffering.rb, line 110
  def readpartial(maxlen, buf=nil)
    if maxlen == 0
      if buf
        buf.clear
        return buf
      else
        return ""
      end
    end
    if @rbuffer.empty?
      begin
        return sysread(maxlen, buf)
      rescue Errno::EAGAIN
        retry
      end
    end
    ret = consume_rbuff(maxlen)
    if buf
      buf.replace(ret)
      ret = buf
    end
    raise EOFError if ret.empty?
    ret
  end

readpartial

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