| /* |
| * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. |
| * Copyright (C) 2007 The Regents of the University of California. |
| * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). |
| * Written by Brian Behlendorf <behlendorf1@llnl.gov>. |
| * UCRL-CODE-235197 |
| * |
| * This file is part of the SPL, Solaris Porting Layer. |
| * For details, see <http://zfsonlinux.org/>. |
| * |
| * The SPL is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * The SPL is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with the SPL. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * |
| * z_compress_level/z_uncompress are nearly identical copies of the |
| * compress2/uncompress functions provided by the official zlib package |
| * available at http://zlib.net/. The only changes made we to slightly |
| * adapt the functions called to match the linux kernel implementation |
| * of zlib. The full zlib license follows: |
| * |
| * zlib.h -- interface of the 'zlib' general purpose compression library |
| * version 1.2.5, April 19th, 2010 |
| * |
| * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler |
| * |
| * This software is provided 'as-is', without any express or implied |
| * warranty. In no event will the authors be held liable for any damages |
| * arising from the use of this software. |
| * |
| * Permission is granted to anyone to use this software for any purpose, |
| * including commercial applications, and to alter it and redistribute it |
| * freely, subject to the following restrictions: |
| * |
| * 1. The origin of this software must not be misrepresented; you must not |
| * claim that you wrote the original software. If you use this software |
| * in a product, an acknowledgment in the product documentation would be |
| * appreciated but is not required. |
| * 2. Altered source versions must be plainly marked as such, and must not be |
| * misrepresented as being the original software. |
| * 3. This notice may not be removed or altered from any source distribution. |
| * |
| * Jean-loup Gailly |
| * Mark Adler |
| */ |
| |
| #ifndef _SPL_ZMOD_H |
| #define _SPL_ZMOD_H |
| |
| #include <sys/types.h> |
| #include <linux/zlib.h> |
| |
| #ifdef HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE |
| #define spl_zlib_deflate_workspacesize(wb, ml) \ |
| zlib_deflate_workspacesize(wb, ml) |
| #else |
| #define spl_zlib_deflate_workspacesize(wb, ml) \ |
| zlib_deflate_workspacesize() |
| #endif /* HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE */ |
| |
| extern int z_compress_level(void *dest, size_t *destLen, const void *source, |
| size_t sourceLen, int level); |
| extern int z_uncompress(void *dest, size_t *destLen, const void *source, |
| size_t sourceLen); |
| |
| int spl_zlib_init(void); |
| void spl_zlib_fini(void); |
| |
| #endif /* SPL_ZMOD_H */ |