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_ */
57
|