/* $FreeBSD$ */ /* $OpenBSD: deflate.h,v 1.3 2002/03/14 01:26:51 millert Exp $ */ /*- * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Definition for the wrapper around the deflate compression * algorithm used in /sys/crypto */ #ifndef _CRYPTO_DEFLATE_H_ #define _CRYPTO_DEFLATE_H_ #include <sys/zlib.h> #define Z_METHOD 8 #define Z_MEMLEVEL 8 #define MINCOMP 2 /* won't be used, but must be defined */ #define ZBUF 10 u_int32_t deflate_global(u_int8_t *, u_int32_t, int, u_int8_t **); void *z_alloc(void *, u_int, u_int); void z_free(void *, void *); /* * We are going to use a combined allocation to hold the metadata * from the struct immediately followed by the real application data. */ struct deflate_buf { struct deflate_buf *next; uint32_t size; uint8_t data[]; }; #endif /* _CRYPTO_DEFLATE_H_ */