sys/opencrypto/deflate.h

   1 /*      $FreeBSD: src/sys/opencrypto/deflate.h,v 1.2 2005/01/07 02:29:16 imp Exp $      */
   2 /* $OpenBSD: deflate.h,v 1.3 2002/03/14 01:26:51 millert Exp $ */
   3
   4 /*-
   5  * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org)
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *   derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /*
  32  * Definition for the wrapper around the deflate compression
  33  * algorithm used in /sys/crypto
  34  */
  35
  36 #ifndef _CRYPTO_DEFLATE_H_
  37 #define _CRYPTO_DEFLATE_H_
  38
  39 #include <net/zlib.h>
  40
  41 #define Z_METHOD        8
  42 #define Z_MEMLEVEL      8
  43 #define MINCOMP         2       /* won't be used, but must be defined */
  44 #define ZBUF            10
  45
  46 u_int32_t deflate_global(u_int8_t *, u_int32_t, int, u_int8_t **);
  47 void *z_alloc(void *, u_int, u_int);
  48 void z_free(void *, void *);
  49
  50 struct deflate_buf {
  51         u_int8_t *out;
  52         u_int32_t size;
  53         int flag;
  54 };
  55
  56 #endif /* _CRYPTO_DEFLATE_H_ */