| /**************************************************************************** |
| * libs/libc/lzf/lzf.h |
| * |
| * Copyright (c) 2000-2007 |
| * Author: Marc Alexander Lehmann <schmorp@schmorp.de> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, 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 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __LIBS_LIBC_LZF_LZF_H |
| #define __LIBS_LIBC_LZF_LZF_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #ifdef __cplusplus |
| # include <cstdint> |
| # include <cstring> |
| # include <climits> |
| # include <cerrno> |
| using namespace std; |
| #else |
| # include <stdint.h> |
| # include <string.h> |
| # include <limits.h> |
| # include <errno.h> |
| #endif |
| |
| #include <lzf.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* 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 |
| |
| /* Whether 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 noticeable on modern hardware |
| * (<1% slowdown), but might slow down older cpus considerably. |
| */ |
| |
| #ifndef CHECK_INPUT |
| # define CHECK_INPUT 1 |
| #endif |
| |
| /* Whether to store pointers or offsets inside the hash table. On |
| * 64 bit architectures, pointers take up twice as much space, |
| * and might also be slower. Default is to autodetect. |
| */ |
| |
| /* #define LZF_USER_OFFSETS autodetect */ |
| |
| #ifndef LZF_USE_OFFSETS |
| # define LZF_USE_OFFSETS (UINTPTR_MAX > 0xffffffffU) |
| #endif |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| #endif /* __LIBS_LIBC_LZF_LZF_H */ |
