xref: /isa-l/igzip/igzip_wrapper.h (revision 55fbfabfc60f1002bc8133b730a59f6abd22cfce)
1 /**********************************************************************
2   Copyright(c) 2011-2018 Intel Corporation All rights reserved.
3 
4   Redistribution and use in source and binary forms, with or without
5   modification, are permitted provided that the following conditions
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17   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 
30 #ifndef IGZIP_WRAPPER_H
31 
32 #define DEFLATE_METHOD 8
33 #define ZLIB_DICT_FLAG (1 << 5)
34 #define TEXT_FLAG      (1 << 0)
35 #define HCRC_FLAG      (1 << 1)
36 #define EXTRA_FLAG     (1 << 2)
37 #define NAME_FLAG      (1 << 3)
38 #define COMMENT_FLAG   (1 << 4)
39 #define UNDEFINED_FLAG (-1)
40 
41 #define GZIP_HDR_BASE    10
42 #define GZIP_EXTRA_LEN   2
43 #define GZIP_HCRC_LEN    2
44 #define GZIP_TRAILER_LEN 8
45 
46 #define ZLIB_HDR_BASE     2
47 #define ZLIB_DICT_LEN     4
48 #define ZLIB_INFO_OFFSET  4
49 #define ZLIB_LEVEL_OFFSET 6
50 #define ZLIB_TRAILER_LEN  4
51 
52 #endif
53