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 #define Z_METHOD 8 39 #define Z_MEMLEVEL 8 40 #define MINCOMP 2 /* won't be used, but must be defined */ 41 #define ZBUF 10 42 43 uint32_t deflate_global(uint8_t *, uint32_t, int, uint8_t **); 44 45 /* 46 * We are going to use a combined allocation to hold the metadata 47 * from the struct immediately followed by the real application data. 48 */ 49 struct deflate_buf { 50 struct deflate_buf *next; 51 uint32_t size; 52 uint8_t data[]; 53 }; 54 55 #endif /* _CRYPTO_DEFLATE_H_ */ 56