1 | /* config1x.h -- configuration for the LZO1X algorithm |
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2 | |
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3 | This file is part of the LZO real-time data compression library. |
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4 | |
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5 | Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer |
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6 | All Rights Reserved. |
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7 | |
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8 | The LZO library is free software; you can redistribute it and/or |
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9 | modify it under the terms of the GNU General Public License as |
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10 | published by the Free Software Foundation; either version 2 of |
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11 | the License, or (at your option) any later version. |
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12 | |
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13 | The LZO library is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | GNU General Public License for more details. |
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17 | |
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18 | You should have received a copy of the GNU General Public License |
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19 | along with the LZO library; see the file COPYING. |
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20 | If not, write to the Free Software Foundation, Inc., |
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21 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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22 | |
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23 | Markus F.X.J. Oberhumer |
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24 | <markus@oberhumer.com> |
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25 | http://www.oberhumer.com/opensource/lzo/ |
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26 | */ |
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27 | |
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28 | |
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29 | /* WARNING: this file should *not* be used by applications. It is |
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30 | part of the implementation of the library and is subject |
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31 | to change. |
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32 | */ |
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33 | |
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34 | |
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35 | #ifndef __LZO_CONFIG1X_H |
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36 | #define __LZO_CONFIG1X_H 1 |
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37 | |
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38 | #if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z) |
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39 | # define LZO1X 1 |
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40 | #endif |
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41 | |
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42 | #include "lzo_conf.h" |
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43 | #if !defined(__LZO_IN_MINILZO) |
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44 | #include "lzo/lzo1x.h" |
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45 | #endif |
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46 | |
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47 | |
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48 | /*********************************************************************** |
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49 | // |
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50 | ************************************************************************/ |
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51 | |
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52 | #ifndef LZO_EOF_CODE |
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53 | #define LZO_EOF_CODE 1 |
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54 | #endif |
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55 | #undef LZO_DETERMINISTIC |
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56 | |
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57 | #define M1_MAX_OFFSET 0x0400 |
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58 | #ifndef M2_MAX_OFFSET |
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59 | #define M2_MAX_OFFSET 0x0800 |
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60 | #endif |
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61 | #define M3_MAX_OFFSET 0x4000 |
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62 | #define M4_MAX_OFFSET 0xbfff |
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63 | |
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64 | #define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET) |
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65 | |
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66 | #define M1_MIN_LEN 2 |
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67 | #define M1_MAX_LEN 2 |
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68 | #define M2_MIN_LEN 3 |
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69 | #ifndef M2_MAX_LEN |
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70 | #define M2_MAX_LEN 8 |
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71 | #endif |
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72 | #define M3_MIN_LEN 3 |
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73 | #define M3_MAX_LEN 33 |
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74 | #define M4_MIN_LEN 3 |
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75 | #define M4_MAX_LEN 9 |
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76 | |
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77 | #define M1_MARKER 0 |
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78 | #define M2_MARKER 64 |
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79 | #define M3_MARKER 32 |
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80 | #define M4_MARKER 16 |
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81 | |
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82 | |
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83 | /*********************************************************************** |
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84 | // |
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85 | ************************************************************************/ |
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86 | |
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87 | #ifndef MIN_LOOKAHEAD |
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88 | #define MIN_LOOKAHEAD (M2_MAX_LEN + 1) |
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89 | #endif |
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90 | |
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91 | #if defined(LZO_NEED_DICT_H) |
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92 | |
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93 | #ifndef LZO_HASH |
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94 | #define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B |
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95 | #endif |
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96 | #define DL_MIN_LEN M2_MIN_LEN |
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97 | #include "lzo_dict.h" |
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98 | |
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99 | #endif |
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100 | |
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101 | |
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102 | |
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103 | #endif /* already included */ |
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104 | |
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105 | /* |
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106 | vi:ts=4:et |
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107 | */ |
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108 | |
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