zmod.h

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License (the "License").
    6  * You may not use this file except in compliance with the License.
    7  *
    8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
    9  * or https://opensource.org/licenses/CDDL-1.0.
   10  * See the License for the specific language governing permissions
   11  * and limitations under the License.
   12  *
   13  * When distributing Covered Code, include this CDDL HEADER in each
   14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   15  * If applicable, add the following below this CDDL HEADER, with the
   16  * fields enclosed by brackets "[]" replaced with your own identifying
   17  * information: Portions Copyright [yyyy] [name of copyright owner]
   18  *
   19  * CDDL HEADER END
   20  */
   21 
   22 /*
   23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   24  * Use is subject to license terms.
   25  */
   26 
   27 #ifndef _ZMOD_H
   28 #define _ZMOD_H
   29 
   30 #ifdef  __cplusplus
   31 extern "C" {
   32 #endif
   33 
   34 /*
   35  * zmod - RFC-1950-compatible decompression routines
   36  *
   37  * This file provides the public interfaces to zmod, an in-kernel RFC 1950
   38  * decompression library.  More information about the implementation of these
   39  * interfaces can be found in the usr/src/uts/common/zmod/ directory.
   40  */
   41 
   42 #define Z_OK            0
   43 #define Z_STREAM_END    1
   44 #define Z_NEED_DICT     2
   45 #define Z_ERRNO         (-1)
   46 #define Z_STREAM_ERROR  (-2)
   47 #define Z_DATA_ERROR    (-3)
   48 #define Z_MEM_ERROR     (-4)
   49 #define Z_BUF_ERROR     (-5)
   50 #define Z_VERSION_ERROR (-6)
   51 
   52 #define Z_NO_COMPRESSION        0
   53 #define Z_BEST_SPEED            1
   54 #define Z_BEST_COMPRESSION      9
   55 #define Z_DEFAULT_COMPRESSION   (-1)
   56 
   57 extern int z_uncompress(void *, size_t *, const void *, size_t);
   58 extern int z_compress(void *, size_t *, const void *, size_t);
   59 extern int z_compress_level(void *, size_t *, const void *, size_t, int);
   60 extern const char *z_strerror(int);
   61 
   62 #ifdef  __cplusplus
   63 }
   64 #endif
   65 
   66 #endif  /* _ZMOD_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/freebsd/spl/sys/zmod.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/freebsd/spl/sys/zmod.h