nuttx/libs/libc/lzf/lzf.h

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/****************************************************************************
* 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 */