zfs/include/os/freebsd/spl/sys/zmod.h

67 lines
1.9 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _ZMOD_H
#define _ZMOD_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* zmod - RFC-1950-compatible decompression routines
*
* This file provides the public interfaces to zmod, an in-kernel RFC 1950
* decompression library. More information about the implementation of these
* interfaces can be found in the usr/src/uts/common/zmod/ directory.
*/
#define Z_OK 0
#define Z_STREAM_END 1
#define Z_NEED_DICT 2
#define Z_ERRNO (-1)
#define Z_STREAM_ERROR (-2)
#define Z_DATA_ERROR (-3)
#define Z_MEM_ERROR (-4)
#define Z_BUF_ERROR (-5)
#define Z_VERSION_ERROR (-6)
#define Z_NO_COMPRESSION 0
#define Z_BEST_SPEED 1
#define Z_BEST_COMPRESSION 9
#define Z_DEFAULT_COMPRESSION (-1)
extern int z_uncompress(void *, size_t *, const void *, size_t);
extern int z_compress(void *, size_t *, const void *, size_t);
extern int z_compress_level(void *, size_t *, const void *, size_t, int);
extern const char *z_strerror(int);
#ifdef __cplusplus
}
#endif
#endif /* _ZMOD_H */