Mercurial > illumos > illumos-gate
view usr/src/uts/common/sys/zmod.h @ 3886:3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
6536606 gzip compression for ZFS
6536608 restore zmod mapfile
6536631 decompress.c should use the new gzip support in zlib
author | ahl |
---|---|
date | Thu, 22 Mar 2007 17:30:12 -0700 |
parents | 45e68e7aede3 |
children |
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/* * 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 #pragma ident "%Z%%M% %I% %E% SMI" #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 */