94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/****************************************************************************
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* libs/libc/lzf/lzf.h
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*
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* Copyright (c) 2000-2007 Marc Alexander Lehmann <schmorp@schmorp.de>
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*
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* Redistribution and use in source and binary forms, with or without modifica-
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* tion, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
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* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
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* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
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* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __LIBC_LZF_LZF_H
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#define __LIBC_LZF_LZF_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef __cplusplus
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# include <cstdint>
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# include <cstring>
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# include <climits>
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# include <cerrno>
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using namespace std;
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#else
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# include <stdint.h>
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# include <string.h>
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# include <limits.h>
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# include <errno.h>
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#endif
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#include <lzf.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* You may choose to pre-set the hash table (might be faster on some modern
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* CPUs and large (>>64k) blocks, and also makes compression deterministic/
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* repeatable when the configuration otherwise is the same).
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*/
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#ifndef INIT_HTAB
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# define INIT_HTAB 0
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#endif
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/* Whether to add extra checks for input validity in lzf_decompress
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* and return EINVAL if the input stream has been corrupted. This
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* only shields against overflowing the input buffer and will not
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* detect most corrupted streams.
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* This check is not normally noticeable on modern hardware
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* (<1% slowdown), but might slow down older cpus considerably.
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*/
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#ifndef CHECK_INPUT
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# define CHECK_INPUT 1
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#endif
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/* Whether to store pointers or offsets inside the hash table. On
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* 64 bit architectures, pointers take up twice as much space,
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* and might also be slower. Default is to autodetect.
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*/
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/*#define LZF_USER_OFFSETS autodetect */
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#ifndef LZF_USE_OFFSETS
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# define LZF_USE_OFFSETS (UINTPTR_MAX > 0xffffffffU)
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#endif /* __LIBC_LZF_LZF_H */
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