75 

    75 

    76 	return result, header_length;

    76 	return result, header_length;

    77 end

    77 end

    78 

    78 

    79 -- XORs the string `str` with the array of bytes `key`

    79 -- XORs the string `str` with the array of bytes `key`

    81 local function apply_mask(str, key, from, to)

    80 local function apply_mask(str, key, from, to)

    82 	return sxor(str:sub(from or 1, to or -1), key);

    81 	return sxor(str:sub(from or 1, to or -1), key);

    83 end

    82 end

    84 

    83 

    85 local function parse_frame_body(frame, header, pos)

    84 local function parse_frame_body(frame, header, pos)