types.lisp

   1 ;;;
   2 ;;; Copyright (c) 2007 Zachary Beane, All Rights Reserved
   3 ;;;
   4 ;;; Redistribution and use in source and binary forms, with or without
   5 ;;; modification, are permitted provided that the following conditions
   6 ;;; are met:
   7 ;;;
   8 ;;;   * Redistributions of source code must retain the above copyright
   9 ;;;     notice, this list of conditions and the following disclaimer.
  10 ;;;
  11 ;;;   * Redistributions in binary form must reproduce the above
  12 ;;;     copyright notice, this list of conditions and the following
  13 ;;;     disclaimer in the documentation and/or other materials
  14 ;;;     provided with the distribution.
  15 ;;;
  16 ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
  17 ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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  19 ;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  20 ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  22 ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23 ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  24 ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  25 ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  26 ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 ;;;
  28
  29 (in-package #:salza2)
  30
  31 (deftype array-index ()
  32   `(mod ,array-dimension-limit))
  33
  34 (deftype octet ()
  35   '(unsigned-byte 8))
  36
  37 (deftype octet-vector ()
  38   '(simple-array (unsigned-byte 8) (*)))
  39
  40 (deftype input-index ()
  41   '(unsigned-byte 16))
  42
  43 (deftype input-buffer ()
  44   `(simple-array (unsigned-byte 8) (,+input-size+)))
  45
  46 (deftype chains-buffer ()
  47   `(simple-array (unsigned-byte 16) (,+input-size+)))
  48
  49 (deftype hashes-buffer ()
  50   `(simple-array (unsigned-byte 16) (,+hashes-size+)))
  51
  52 (deftype hash ()
  53   `(integer 0 ,+hashes-size+))
  54
  55 (deftype bitstream-buffer ()
  56   `(simple-array (unsigned-byte 8) (,+bitstream-buffer-size+)))
  57
  58 (deftype bitstream-buffer-bit-count ()
  59   `(integer 0 ,+bitstream-buffer-bits+))