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