The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/opencrypto/deflate.h

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    1 /*      $NetBSD: deflate.h,v 1.1 2003/07/25 21:12:46 jonathan Exp $ */
    2 /*      $FreeBSD: src/sys/opencrypto/deflate.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $  */
    3 /* $OpenBSD: deflate.h,v 1.3 2002/03/14 01:26:51 millert Exp $ */
    4 
    5 /*
    6  * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org)
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  *
   12  * 1. Redistributions of source code must retain the above copyright
   13  *   notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *   notice, this list of conditions and the following disclaimer in the
   16  *   documentation and/or other materials provided with the distribution.
   17  * 3. The name of the author may not be used to endorse or promote products
   18  *   derived from this software without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 /*
   33  * Definition for the wrapper around the deflate compression 
   34  * algorithm used in /sys/crypto
   35  */
   36 
   37 #ifndef _CRYPTO_DEFLATE_H_
   38 #define _CRYPTO_DEFLATE_H_
   39 
   40 #include <net/zlib.h>
   41 
   42 #define Z_METHOD        8
   43 #define Z_MEMLEVEL      8
   44 #define MINCOMP         2       /* won't be used, but must be defined */
   45 #define ZBUF            10
   46 
   47 u_int32_t deflate_global(u_int8_t *, u_int32_t, int, u_int8_t **);
   48 void *z_alloc(void *, u_int, u_int);
   49 void z_free(void *, void *);
   50 
   51 struct deflate_buf {
   52         u_int8_t *out;
   53         u_int32_t size;
   54         int flag;
   55 };
   56 
   57 #endif /* _CRYPTO_DEFLATE_H_ */

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