| 1 | /* lzo_conf.h -- main internal configuration file for the the LZO library |
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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_CONF_H |
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| 36 | #define __LZO_CONF_H 1 |
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| 37 | |
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| 38 | #if !defined(__LZO_IN_MINILZO) |
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| 39 | #if defined(LZO_CFG_FREESTANDING) && (LZO_CFG_FREESTANDING) |
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| 40 | # define LZO_LIBC_FREESTANDING 1 |
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| 41 | # define LZO_OS_FREESTANDING 1 |
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| 42 | #endif |
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| 43 | #if defined(LZO_CFG_EXTRA_CONFIG_HEADER) |
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| 44 | # include LZO_CFG_EXTRA_CONFIG_HEADER |
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| 45 | #endif |
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| 46 | #if defined(__LZOCONF_H) || defined(__LZOCONF_H_INCLUDED) |
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| 47 | # error "include this file first" |
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| 48 | #endif |
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| 49 | #include "lzo/lzoconf.h" |
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| 50 | #if defined(LZO_CFG_EXTRA_CONFIG_HEADER2) |
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| 51 | # include LZO_CFG_EXTRA_CONFIG_HEADER2 |
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| 52 | #endif |
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| 53 | #endif |
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| 54 | |
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| 55 | #if (LZO_VERSION < 0x2070) || !defined(__LZOCONF_H_INCLUDED) |
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| 56 | # error "version mismatch" |
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| 57 | #endif |
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| 58 | |
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| 59 | |
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| 60 | /*********************************************************************** |
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| 61 | // pragmas |
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| 62 | ************************************************************************/ |
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| 63 | |
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| 64 | #if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1100)) |
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| 65 | /* disable bogus "unreachable code" warnings */ |
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| 66 | # pragma warning(disable: 4702) |
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| 67 | #endif |
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| 68 | #if (LZO_CC_MSC && (_MSC_VER >= 1000)) |
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| 69 | # pragma warning(disable: 4127 4701) |
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| 70 | /* disable warnings about inlining */ |
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| 71 | # pragma warning(disable: 4514 4710 4711) |
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| 72 | #endif |
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| 73 | #if (LZO_CC_MSC && (_MSC_VER >= 1300)) |
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| 74 | /* disable '-Wall' warnings in system header files */ |
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| 75 | # pragma warning(disable: 4820) |
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| 76 | #endif |
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| 77 | #if (LZO_CC_MSC && (_MSC_VER >= 1800)) |
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| 78 | /* disable '-Wall' warnings in system header files */ |
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| 79 | # pragma warning(disable: 4746) |
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| 80 | #endif |
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| 81 | |
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| 82 | #if (LZO_CC_SUNPROC) |
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| 83 | #if !defined(__cplusplus) |
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| 84 | # pragma error_messages(off,E_END_OF_LOOP_CODE_NOT_REACHED) |
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| 85 | # pragma error_messages(off,E_LOOP_NOT_ENTERED_AT_TOP) |
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| 86 | # pragma error_messages(off,E_STATEMENT_NOT_REACHED) |
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| 87 | #endif |
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| 88 | #endif |
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| 89 | |
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| 90 | |
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| 91 | /*********************************************************************** |
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| 92 | // |
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| 93 | ************************************************************************/ |
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| 94 | |
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| 95 | #if defined(__LZO_IN_MINILZO) || (LZO_CFG_FREESTANDING) |
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| 96 | #elif 1 |
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| 97 | # include <string.h> |
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| 98 | #else |
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| 99 | # define LZO_WANT_ACC_INCD_H 1 |
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| 100 | #endif |
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| 101 | #if defined(LZO_HAVE_CONFIG_H) |
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| 102 | # define LZO_CFG_NO_CONFIG_HEADER 1 |
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| 103 | #endif |
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| 104 | #include "lzo_supp.h" |
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| 105 | |
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| 106 | /* Integral types */ |
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| 107 | #if 1 || defined(lzo_int8_t) || defined(lzo_uint8_t) |
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| 108 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int8_t) == 1) |
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| 109 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint8_t) == 1) |
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| 110 | #endif |
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| 111 | #if 1 || defined(lzo_int16_t) || defined(lzo_uint16_t) |
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| 112 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int16_t) == 2) |
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| 113 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint16_t) == 2) |
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| 114 | #endif |
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| 115 | #if 1 || defined(lzo_int32_t) || defined(lzo_uint32_t) |
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| 116 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int32_t) == 4) |
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| 117 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint32_t) == 4) |
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| 118 | #endif |
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| 119 | #if defined(lzo_int64_t) || defined(lzo_uint64_t) |
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| 120 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int64_t) == 8) |
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| 121 | LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint64_t) == 8) |
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| 122 | #endif |
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| 123 | |
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| 124 | #if (LZO_CFG_FREESTANDING) |
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| 125 | # undef HAVE_MEMCMP |
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| 126 | # undef HAVE_MEMCPY |
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| 127 | # undef HAVE_MEMMOVE |
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| 128 | # undef HAVE_MEMSET |
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| 129 | #endif |
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| 130 | |
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| 131 | #if !(HAVE_MEMCMP) |
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| 132 | # undef memcmp |
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| 133 | # define memcmp(a,b,c) lzo_memcmp(a,b,c) |
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| 134 | #else |
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| 135 | # undef lzo_memcmp |
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| 136 | # define lzo_memcmp(a,b,c) memcmp(a,b,c) |
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| 137 | #endif |
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| 138 | #if !(HAVE_MEMCPY) |
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| 139 | # undef memcpy |
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| 140 | # define memcpy(a,b,c) lzo_memcpy(a,b,c) |
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| 141 | #else |
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| 142 | # undef lzo_memcpy |
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| 143 | # define lzo_memcpy(a,b,c) memcpy(a,b,c) |
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| 144 | #endif |
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| 145 | #if !(HAVE_MEMMOVE) |
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| 146 | # undef memmove |
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| 147 | # define memmove(a,b,c) lzo_memmove(a,b,c) |
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| 148 | #else |
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| 149 | # undef lzo_memmove |
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| 150 | # define lzo_memmove(a,b,c) memmove(a,b,c) |
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| 151 | #endif |
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| 152 | #if !(HAVE_MEMSET) |
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| 153 | # undef memset |
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| 154 | # define memset(a,b,c) lzo_memset(a,b,c) |
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| 155 | #else |
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| 156 | # undef lzo_memset |
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| 157 | # define lzo_memset(a,b,c) memset(a,b,c) |
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| 158 | #endif |
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| 159 | |
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| 160 | #undef NDEBUG |
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| 161 | #if (LZO_CFG_FREESTANDING) |
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| 162 | # undef LZO_DEBUG |
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| 163 | # define NDEBUG 1 |
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| 164 | # undef assert |
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| 165 | # define assert(e) ((void)0) |
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| 166 | #else |
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| 167 | # if !defined(LZO_DEBUG) |
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| 168 | # define NDEBUG 1 |
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| 169 | # endif |
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| 170 | # include <assert.h> |
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| 171 | #endif |
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| 172 | |
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| 173 | #if 0 && defined(__BOUNDS_CHECKING_ON) |
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| 174 | # include <unchecked.h> |
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| 175 | #else |
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| 176 | # define BOUNDS_CHECKING_OFF_DURING(stmt) stmt |
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| 177 | # define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) |
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| 178 | #endif |
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| 179 | |
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| 180 | #if (LZO_CFG_PGO) |
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| 181 | # undef __lzo_likely |
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| 182 | # undef __lzo_unlikely |
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| 183 | # define __lzo_likely(e) (e) |
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| 184 | # define __lzo_unlikely(e) (e) |
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| 185 | #endif |
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| 186 | |
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| 187 | #undef _ |
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| 188 | #undef __ |
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| 189 | #undef ___ |
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| 190 | #undef ____ |
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| 191 | #undef _p0 |
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| 192 | #undef _p1 |
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| 193 | #undef _p2 |
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| 194 | #undef _p3 |
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| 195 | #undef _p4 |
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| 196 | #undef _s0 |
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| 197 | #undef _s1 |
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| 198 | #undef _s2 |
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| 199 | #undef _s3 |
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| 200 | #undef _s4 |
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| 201 | #undef _ww |
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| 202 | |
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| 203 | |
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| 204 | /*********************************************************************** |
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| 205 | // |
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| 206 | ************************************************************************/ |
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| 207 | |
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| 208 | #if 1 |
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| 209 | # define LZO_BYTE(x) ((unsigned char) (x)) |
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| 210 | #else |
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| 211 | # define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) |
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| 212 | #endif |
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| 213 | |
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| 214 | #define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) |
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| 215 | #define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) |
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| 216 | #define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) |
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| 217 | #define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) |
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| 218 | |
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| 219 | #define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) |
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| 220 | |
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| 221 | #define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) |
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| 222 | |
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| 223 | /* this always fits into 32 bits */ |
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| 224 | #define LZO_SIZE(bits) (1u << (bits)) |
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| 225 | #define LZO_MASK(bits) (LZO_SIZE(bits) - 1) |
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| 226 | |
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| 227 | #define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) |
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| 228 | #define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) |
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| 229 | |
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| 230 | #if !defined(DMUL) |
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| 231 | #if 0 |
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| 232 | /* 32*32 multiplies may be faster than 64*64 on some 64-bit machines, |
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| 233 | * but then we need extra casts from unsigned<->size_t */ |
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| 234 | # define DMUL(a,b) ((lzo_xint) ((lzo_uint32_t)(a) * (lzo_uint32_t)(b))) |
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| 235 | #else |
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| 236 | # define DMUL(a,b) ((lzo_xint) ((a) * (b))) |
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| 237 | #endif |
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| 238 | #endif |
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| 239 | |
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| 240 | |
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| 241 | /*********************************************************************** |
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| 242 | // compiler and architecture specific stuff |
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| 243 | ************************************************************************/ |
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| 244 | |
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| 245 | /* Some defines that indicate if memory can be accessed at unaligned |
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| 246 | * memory addresses. You should also test that this is actually faster |
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| 247 | * even if it is allowed by your system. |
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| 248 | */ |
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| 249 | |
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| 250 | #include "lzo_func.h" |
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| 251 | |
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| 252 | #ifndef UA_SET1 |
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| 253 | #define UA_SET1 LZO_MEMOPS_SET1 |
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| 254 | #endif |
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| 255 | #ifndef UA_SET2 |
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| 256 | #define UA_SET2 LZO_MEMOPS_SET2 |
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| 257 | #endif |
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| 258 | #ifndef UA_SET3 |
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| 259 | #define UA_SET3 LZO_MEMOPS_SET3 |
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| 260 | #endif |
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| 261 | #ifndef UA_SET4 |
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| 262 | #define UA_SET4 LZO_MEMOPS_SET4 |
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| 263 | #endif |
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| 264 | #ifndef UA_MOVE1 |
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| 265 | #define UA_MOVE1 LZO_MEMOPS_MOVE1 |
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| 266 | #endif |
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| 267 | #ifndef UA_MOVE2 |
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| 268 | #define UA_MOVE2 LZO_MEMOPS_MOVE2 |
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| 269 | #endif |
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| 270 | #ifndef UA_MOVE3 |
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| 271 | #define UA_MOVE3 LZO_MEMOPS_MOVE3 |
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| 272 | #endif |
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| 273 | #ifndef UA_MOVE4 |
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| 274 | #define UA_MOVE4 LZO_MEMOPS_MOVE4 |
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| 275 | #endif |
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| 276 | #ifndef UA_MOVE8 |
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| 277 | #define UA_MOVE8 LZO_MEMOPS_MOVE8 |
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| 278 | #endif |
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| 279 | #ifndef UA_COPY1 |
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| 280 | #define UA_COPY1 LZO_MEMOPS_COPY1 |
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| 281 | #endif |
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| 282 | #ifndef UA_COPY2 |
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| 283 | #define UA_COPY2 LZO_MEMOPS_COPY2 |
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| 284 | #endif |
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| 285 | #ifndef UA_COPY3 |
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| 286 | #define UA_COPY3 LZO_MEMOPS_COPY3 |
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| 287 | #endif |
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| 288 | #ifndef UA_COPY4 |
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| 289 | #define UA_COPY4 LZO_MEMOPS_COPY4 |
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| 290 | #endif |
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| 291 | #ifndef UA_COPY8 |
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| 292 | #define UA_COPY8 LZO_MEMOPS_COPY8 |
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| 293 | #endif |
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| 294 | #ifndef UA_COPYN |
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| 295 | #define UA_COPYN LZO_MEMOPS_COPYN |
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| 296 | #endif |
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| 297 | #ifndef UA_COPYN_X |
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| 298 | #define UA_COPYN_X LZO_MEMOPS_COPYN |
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| 299 | #endif |
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| 300 | #ifndef UA_GET_LE16 |
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| 301 | #define UA_GET_LE16 LZO_MEMOPS_GET_LE16 |
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| 302 | #endif |
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| 303 | #ifndef UA_GET_LE32 |
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| 304 | #define UA_GET_LE32 LZO_MEMOPS_GET_LE32 |
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| 305 | #endif |
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| 306 | #ifdef LZO_MEMOPS_GET_LE64 |
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| 307 | #ifndef UA_GET_LE64 |
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| 308 | #define UA_GET_LE64 LZO_MEMOPS_GET_LE64 |
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| 309 | #endif |
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| 310 | #endif |
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| 311 | #ifndef UA_GET_NE16 |
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| 312 | #define UA_GET_NE16 LZO_MEMOPS_GET_NE16 |
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| 313 | #endif |
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| 314 | #ifndef UA_GET_NE32 |
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| 315 | #define UA_GET_NE32 LZO_MEMOPS_GET_NE32 |
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| 316 | #endif |
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| 317 | #ifdef LZO_MEMOPS_GET_NE64 |
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| 318 | #ifndef UA_GET_NE64 |
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| 319 | #define UA_GET_NE64 LZO_MEMOPS_GET_NE64 |
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| 320 | #endif |
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| 321 | #endif |
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| 322 | #ifndef UA_PUT_LE16 |
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| 323 | #define UA_PUT_LE16 LZO_MEMOPS_PUT_LE16 |
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| 324 | #endif |
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| 325 | #ifndef UA_PUT_LE32 |
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| 326 | #define UA_PUT_LE32 LZO_MEMOPS_PUT_LE32 |
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| 327 | #endif |
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| 328 | #ifndef UA_PUT_NE16 |
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| 329 | #define UA_PUT_NE16 LZO_MEMOPS_PUT_NE16 |
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| 330 | #endif |
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| 331 | #ifndef UA_PUT_NE32 |
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| 332 | #define UA_PUT_NE32 LZO_MEMOPS_PUT_NE32 |
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| 333 | #endif |
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| 334 | |
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| 335 | |
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| 336 | /* Fast memcpy that copies multiples of 8 byte chunks. |
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| 337 | * len is the number of bytes. |
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| 338 | * note: all parameters must be lvalues, len >= 8 |
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| 339 | * dest and src advance, len is undefined afterwards |
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| 340 | */ |
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| 341 | |
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| 342 | #define MEMCPY8_DS(dest,src,len) \ |
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| 343 | lzo_memcpy(dest,src,len); dest += len; src += len |
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| 344 | |
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| 345 | #define BZERO8_PTR(s,l,n) \ |
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| 346 | lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) |
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| 347 | |
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| 348 | #define MEMCPY_DS(dest,src,len) \ |
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| 349 | do *dest++ = *src++; while (--len > 0) |
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| 350 | |
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| 351 | |
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| 352 | /*********************************************************************** |
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| 353 | // |
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| 354 | ************************************************************************/ |
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| 355 | |
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| 356 | LZO_EXTERN(const lzo_bytep) lzo_copyright(void); |
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| 357 | |
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| 358 | #include "lzo_ptr.h" |
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| 359 | |
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| 360 | /* Generate compressed data in a deterministic way. |
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| 361 | * This is fully portable, and compression can be faster as well. |
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| 362 | * A reason NOT to be deterministic is when the block size is |
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| 363 | * very small (e.g. 8kB) or the dictionary is big, because |
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| 364 | * then the initialization of the dictionary becomes a relevant |
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| 365 | * magnitude for compression speed. |
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| 366 | */ |
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| 367 | #ifndef LZO_DETERMINISTIC |
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| 368 | #define LZO_DETERMINISTIC 1 |
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| 369 | #endif |
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| 370 | |
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| 371 | |
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| 372 | #ifndef LZO_DICT_USE_PTR |
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| 373 | #define LZO_DICT_USE_PTR 1 |
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| 374 | #endif |
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| 375 | |
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| 376 | #if (LZO_DICT_USE_PTR) |
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| 377 | # define lzo_dict_t const lzo_bytep |
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| 378 | # define lzo_dict_p lzo_dict_t * |
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| 379 | #else |
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| 380 | # define lzo_dict_t lzo_uint |
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| 381 | # define lzo_dict_p lzo_dict_t * |
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| 382 | #endif |
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| 383 | |
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| 384 | |
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| 385 | #endif /* already included */ |
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| 386 | |
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| 387 | /* |
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| 388 | vi:ts=4:et |
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| 389 | */ |
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| 390 | |
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