zxc_constants.h

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/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * ZXC - High-performance lossless compression
 *
 * Copyright (c) Bertrand Lebonnois and contributors.
 */
 
#ifndef ZXC_CONSTANTS_H
#define ZXC_CONSTANTS_H
 
#define ZXC_VERSION_MAJOR 0
#define ZXC_VERSION_MINOR 15
#define ZXC_VERSION_PATCH 0
 
#define ZXC_STR_HELPER(x) #x
#define ZXC_STR(x) ZXC_STR_HELPER(x)
#define ZXC_LIB_VERSION_STR    \
    ZXC_STR(ZXC_VERSION_MAJOR) \
    "." ZXC_STR(ZXC_VERSION_MINOR) "." ZXC_STR(ZXC_VERSION_PATCH)
 
 
#define ZXC_BLOCK_SIZE_MIN_LOG2 12
#define ZXC_BLOCK_SIZE_MAX_LOG2 21
#define ZXC_BLOCK_SIZE_DEFAULT (512 * 1024)
#define ZXC_BLOCK_SIZE_MIN (1U << ZXC_BLOCK_SIZE_MIN_LOG2)
#define ZXC_BLOCK_SIZE_MAX (1U << ZXC_BLOCK_SIZE_MAX_LOG2)
 
#define ZXC_DICT_SIZE_MAX ((1U << 16) - 1U)
#define ZXC_DICT_MAGIC 0x9CB0D1C7U
#define ZXC_DICT_HEADER_SIZE 16
#define ZXC_HUF_TABLE_SIZE 128
 
#define ZXC_MAX_THREADS 512
 
#define ZXC_MAGIC_WORD 0x9CB02EF5U
#define ZXC_FILE_HEADER_SIZE 16
#define ZXC_FILE_FOOTER_MIN_SIZE 3
#define ZXC_FILE_FOOTER_MAX_SIZE 17
#define ZXC_FILE_DIGEST_SIZE 8
 
typedef enum {
    ZXC_LEVEL_FASTEST = 1,  
    ZXC_LEVEL_FAST = 2,     
    ZXC_LEVEL_DEFAULT = 3,  
    ZXC_LEVEL_BALANCED = 4, 
    ZXC_LEVEL_COMPACT = 5,  
    ZXC_LEVEL_DENSITY = 6,  
    ZXC_LEVEL_ULTRA = 7     
} zxc_compression_level_t;
 
 
#endif  // ZXC_CONSTANTS_H