X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/c2ff0e90b8ce84d7b966622ffe0178303bb0a625..e2641e09cc0daf44f63f654230f72d22acf3a9af:/lzfP.h diff --git a/lzfP.h b/lzfP.h deleted file mode 100644 index d533f182..00000000 --- a/lzfP.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (c) 2000-2007 Marc Alexander Lehmann - * - * Redistribution and use in source and binary forms, with or without modifica- - * tion, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- - * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- - * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- - * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Alternatively, the contents of this file may be used under the terms of - * the GNU General Public License ("GPL") version 2 or any later version, - * in which case the provisions of the GPL are applicable instead of - * the above. If you wish to allow the use of your version of this file - * only under the terms of the GPL and not to allow others to use your - * version of this file under the BSD license, indicate your decision - * by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL. If you do not delete the - * provisions above, a recipient may use your version of this file under - * either the BSD or the GPL. - */ - -#ifndef LZFP_h -#define LZFP_h - -#define STANDALONE 1 /* at the moment, this is ok. */ - -#ifndef STANDALONE -# include "lzf.h" -#endif - -/* - * Size of hashtable is (1 << HLOG) * sizeof (char *) - * decompression is independent of the hash table size - * the difference between 15 and 14 is very small - * for small blocks (and 14 is usually a bit faster). - * For a low-memory/faster configuration, use HLOG == 13; - * For best compression, use 15 or 16 (or more, up to 23). - */ -#ifndef HLOG -# define HLOG 16 -#endif - -/* - * Sacrifice very little compression quality in favour of compression speed. - * This gives almost the same compression as the default code, and is - * (very roughly) 15% faster. This is the preferred mode of operation. - */ -#ifndef VERY_FAST -# define VERY_FAST 1 -#endif - -/* - * Sacrifice some more compression quality in favour of compression speed. - * (roughly 1-2% worse compression for large blocks and - * 9-10% for small, redundant, blocks and >>20% better speed in both cases) - * In short: when in need for speed, enable this for binary data, - * possibly disable this for text data. - */ -#ifndef ULTRA_FAST -# define ULTRA_FAST 0 -#endif - -/* - * Unconditionally aligning does not cost very much, so do it if unsure - */ -#ifndef STRICT_ALIGN -# define STRICT_ALIGN !(defined(__i386) || defined (__amd64)) -#endif - -/* - * You may choose to pre-set the hash table (might be faster on some - * modern cpus and large (>>64k) blocks, and also makes compression - * deterministic/repeatable when the configuration otherwise is the same). - */ -#ifndef INIT_HTAB -# define INIT_HTAB 0 -#endif - -/* - * Avoid assigning values to errno variable? for some embedding purposes - * (linux kernel for example), this is neccessary. NOTE: this breaks - * the documentation in lzf.h. - */ -#ifndef AVOID_ERRNO -# define AVOID_ERRNO 0 -#endif - -/* - * Wether to pass the LZF_STATE variable as argument, or allocate it - * on the stack. For small-stack environments, define this to 1. - * NOTE: this breaks the prototype in lzf.h. - */ -#ifndef LZF_STATE_ARG -# define LZF_STATE_ARG 0 -#endif - -/* - * Wether to add extra checks for input validity in lzf_decompress - * and return EINVAL if the input stream has been corrupted. This - * only shields against overflowing the input buffer and will not - * detect most corrupted streams. - * This check is not normally noticable on modern hardware - * (<1% slowdown), but might slow down older cpus considerably. - */ -#ifndef CHECK_INPUT -# define CHECK_INPUT 1 -#endif - -/*****************************************************************************/ -/* nothing should be changed below */ - -typedef unsigned char u8; - -typedef const u8 *LZF_STATE[1 << (HLOG)]; - -#if !STRICT_ALIGN -/* for unaligned accesses we need a 16 bit datatype. */ -# include -# if USHRT_MAX == 65535 - typedef unsigned short u16; -# elif UINT_MAX == 65535 - typedef unsigned int u16; -# else -# undef STRICT_ALIGN -# define STRICT_ALIGN 1 -# endif -#endif - -#if ULTRA_FAST -# if defined(VERY_FAST) -# undef VERY_FAST -# endif -#endif - -#if INIT_HTAB -# ifdef __cplusplus -# include -# else -# include -# endif -#endif - -#endif -