xref: /isa-l/igzip/igzip_wrapper.h (revision 55fbfabfc60f1002bc8133b730a59f6abd22cfce)
1*ff1928e8SRoy Oursler /**********************************************************************
2*ff1928e8SRoy Oursler   Copyright(c) 2011-2018 Intel Corporation All rights reserved.
3*ff1928e8SRoy Oursler 
4*ff1928e8SRoy Oursler   Redistribution and use in source and binary forms, with or without
5*ff1928e8SRoy Oursler   modification, are permitted provided that the following conditions
6*ff1928e8SRoy Oursler   are met:
7*ff1928e8SRoy Oursler     * Redistributions of source code must retain the above copyright
8*ff1928e8SRoy Oursler       notice, this list of conditions and the following disclaimer.
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10*ff1928e8SRoy Oursler       notice, this list of conditions and the following disclaimer in
11*ff1928e8SRoy Oursler       the documentation and/or other materials provided with the
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13*ff1928e8SRoy Oursler     * Neither the name of Intel Corporation nor the names of its
14*ff1928e8SRoy Oursler       contributors may be used to endorse or promote products derived
15*ff1928e8SRoy Oursler       from this software without specific prior written permission.
16*ff1928e8SRoy Oursler 
17*ff1928e8SRoy Oursler   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*ff1928e8SRoy Oursler   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*ff1928e8SRoy Oursler   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29*ff1928e8SRoy Oursler 
30*ff1928e8SRoy Oursler #ifndef IGZIP_WRAPPER_H
31*ff1928e8SRoy Oursler 
32*ff1928e8SRoy Oursler #define DEFLATE_METHOD 8
33*ff1928e8SRoy Oursler #define ZLIB_DICT_FLAG (1 << 5)
34*ff1928e8SRoy Oursler #define TEXT_FLAG      (1 << 0)
35*ff1928e8SRoy Oursler #define HCRC_FLAG      (1 << 1)
36*ff1928e8SRoy Oursler #define EXTRA_FLAG     (1 << 2)
37*ff1928e8SRoy Oursler #define NAME_FLAG      (1 << 3)
38*ff1928e8SRoy Oursler #define COMMENT_FLAG   (1 << 4)
39*ff1928e8SRoy Oursler #define UNDEFINED_FLAG (-1)
40*ff1928e8SRoy Oursler 
41*ff1928e8SRoy Oursler #define GZIP_HDR_BASE    10
42*ff1928e8SRoy Oursler #define GZIP_EXTRA_LEN   2
43*ff1928e8SRoy Oursler #define GZIP_HCRC_LEN    2
44*ff1928e8SRoy Oursler #define GZIP_TRAILER_LEN 8
45*ff1928e8SRoy Oursler 
46*ff1928e8SRoy Oursler #define ZLIB_HDR_BASE     2
47*ff1928e8SRoy Oursler #define ZLIB_DICT_LEN     4
48*ff1928e8SRoy Oursler #define ZLIB_INFO_OFFSET  4
49*ff1928e8SRoy Oursler #define ZLIB_LEVEL_OFFSET 6
50*ff1928e8SRoy Oursler #define ZLIB_TRAILER_LEN  4
51*ff1928e8SRoy Oursler 
52*ff1928e8SRoy Oursler #endif
53