1 | /* lzoconf.h -- configuration for the LZO real-time data compression 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) 1999 Markus Franz Xaver Johannes Oberhumer
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6 | Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
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7 | Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
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8 | Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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9 |
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10 | The LZO library is free software; you can redistribute it and/or
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11 | modify it under the terms of the GNU General Public License as
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12 | published by the Free Software Foundation; either version 2 of
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13 | the License, or (at your option) any later version.
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14 |
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15 | The LZO library is distributed in the hope that it will be useful,
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | GNU General Public License for more details.
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19 |
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20 | You should have received a copy of the GNU General Public License
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21 | along with the LZO library; see the file COPYING.
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22 | If not, write to the Free Software Foundation, Inc.,
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23 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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24 |
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25 | Markus F.X.J. Oberhumer
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26 | <markus.oberhumer@jk.uni-linz.ac.at>
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27 | http://wildsau.idv.uni-linz.ac.at/mfx/lzo.html
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28 | */
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29 |
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30 |
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31 | #ifndef __LZOCONF_H
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32 | #define __LZOCONF_H
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33 |
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34 | #define LZO_VERSION 0x1060
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35 |
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36 | /*
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37 | * Unfortunately, these are somewhat counterproductive, as
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38 | * there should be no strings in the compiled executable.
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39 | * - Rainer Wichmann, 26. July 2000 -
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40 | *
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41 | * #define LZO_VERSION_STRING "1.06"
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42 | * #define LZO_VERSION_DATE "Nov 29 1999"
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43 | */
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44 | #define LZO_VERSION_STRING ""
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45 | #define LZO_VERSION_DATE ""
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46 |
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47 |
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48 | /* internal Autoconf configuration file - only used when building LZO */
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49 | #if defined(LZO_HAVE_CONFIG_H)
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50 | # include <config.h>
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51 | #endif
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52 | #include <limits.h>
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53 |
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54 | #ifdef __cplusplus
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55 | extern "C" {
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56 | #endif
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57 |
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58 |
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59 | /***********************************************************************
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60 | // LZO requires a conforming <limits.h>
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61 | ************************************************************************/
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62 |
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63 | #if !defined(CHAR_BIT) || (CHAR_BIT != 8)
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64 | # error "invalid CHAR_BIT"
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65 | #endif
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66 | #if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX)
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67 | # error "check your compiler installation"
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68 | #endif
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69 | #if (USHRT_MAX < 1 ) || (UINT_MAX < 1) || (ULONG_MAX < 1)
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70 | # error "your limits.h macros are broken"
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71 | #endif
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72 |
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73 | /* workaround a cpp bug under hpux 10.20 */
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74 | #define LZO_0xffffffffL 4294967295ul
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75 |
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76 |
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77 | /***********************************************************************
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78 | // architecture defines
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79 | ************************************************************************/
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80 |
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81 | #if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2)
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82 | # if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows)
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83 | # define __LZO_WIN
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84 | # elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32)
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85 | # define __LZO_WIN
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86 | # elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__)
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87 | # define __LZO_WIN
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88 | # elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS)
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89 | # define __LZO_DOS
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90 | # elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2)
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91 | # define __LZO_OS2
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92 | # elif defined(__palmos__)
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93 | # define __LZO_PALMOS
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94 | # elif defined(__TOS__) || defined(__atarist__)
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95 | # define __LZO_TOS
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96 | # endif
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97 | #endif
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98 |
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99 | #if (UINT_MAX < LZO_0xffffffffL)
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100 | # if defined(__LZO_WIN)
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101 | # define __LZO_WIN16
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102 | # elif defined(__LZO_DOS)
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103 | # define __LZO_DOS16
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104 | # elif defined(__LZO_PALMOS)
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105 | # define __LZO_PALMOS16
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106 | # elif defined(__LZO_TOS)
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107 | # define __LZO_TOS16
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108 | # elif defined(__C166__)
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109 | # else
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110 | # error "16-bit target not supported - contact me for porting hints"
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111 | # endif
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112 | #endif
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113 |
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114 | #if !defined(__LZO_i386)
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115 | # if defined(__LZO_DOS) || defined(__LZO_WIN16)
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116 | # define __LZO_i386
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117 | # elif defined(__i386__) || defined(__386__) || defined(_M_IX86)
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118 | # define __LZO_i386
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119 | # endif
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120 | #endif
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121 |
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122 | #if defined(__LZO_STRICT_16BIT)
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123 | # if (UINT_MAX < LZO_0xffffffffL)
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124 | # include <lzo16bit.h>
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125 | # endif
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126 | #endif
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127 |
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128 |
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129 | /***********************************************************************
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130 | // integral and pointer types
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131 | ************************************************************************/
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132 |
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133 | /* Integral types with 32 bits or more */
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134 | #if !defined(LZO_UINT32_MAX)
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135 | # if (UINT_MAX >= LZO_0xffffffffL)
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136 | typedef unsigned int lzo_uint32;
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137 | typedef int lzo_int32;
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138 | # define LZO_UINT32_MAX UINT_MAX
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139 | # define LZO_INT32_MAX INT_MAX
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140 | # define LZO_INT32_MIN INT_MIN
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141 | # elif (ULONG_MAX >= LZO_0xffffffffL)
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142 | typedef unsigned long lzo_uint32;
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143 | typedef long lzo_int32;
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144 | # define LZO_UINT32_MAX ULONG_MAX
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145 | # define LZO_INT32_MAX LONG_MAX
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146 | # define LZO_INT32_MIN LONG_MIN
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147 | # else
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148 | # error "lzo_uint32"
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149 | # endif
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150 | #endif
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151 |
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152 | /* lzo_uint is used like size_t */
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153 | #if !defined(LZO_UINT_MAX)
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154 | # if (UINT_MAX >= LZO_0xffffffffL)
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155 | typedef unsigned int lzo_uint;
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156 | typedef int lzo_int;
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157 | # define LZO_UINT_MAX UINT_MAX
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158 | # define LZO_INT_MAX INT_MAX
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159 | # define LZO_INT_MIN INT_MIN
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160 | # elif (ULONG_MAX >= LZO_0xffffffffL)
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161 | typedef unsigned long lzo_uint;
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162 | typedef long lzo_int;
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163 | # define LZO_UINT_MAX ULONG_MAX
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164 | # define LZO_INT_MAX LONG_MAX
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165 | # define LZO_INT_MIN LONG_MIN
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166 | # else
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167 | # error "lzo_uint"
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168 | # endif
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169 | #endif
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170 |
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171 |
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172 | /* Memory model that allows to access memory at offsets of lzo_uint. */
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173 | #if !defined(__LZO_MMODEL)
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174 | # if (LZO_UINT_MAX <= UINT_MAX)
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175 | # define __LZO_MMODEL
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176 | # elif defined(__LZO_DOS16) || defined(__LZO_WIN16)
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177 | # define __LZO_MMODEL __huge
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178 | # define LZO_999_UNSUPPORTED
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179 | # elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16)
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180 | # define __LZO_MMODEL
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181 | # else
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182 | # error "__LZO_MMODEL"
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183 | # endif
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184 | #endif
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185 |
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186 | /* no typedef here because of const-pointer issues */
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187 | #define lzo_byte unsigned char __LZO_MMODEL
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188 | #define lzo_bytep unsigned char __LZO_MMODEL *
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189 | #define lzo_charp char __LZO_MMODEL *
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190 | #define lzo_voidp void __LZO_MMODEL *
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191 | #define lzo_shortp short __LZO_MMODEL *
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192 | #define lzo_ushortp unsigned short __LZO_MMODEL *
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193 | #define lzo_uint32p lzo_uint32 __LZO_MMODEL *
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194 | #define lzo_int32p lzo_int32 __LZO_MMODEL *
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195 | #define lzo_uintp lzo_uint __LZO_MMODEL *
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196 | #define lzo_intp lzo_int __LZO_MMODEL *
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197 | #define lzo_voidpp lzo_voidp __LZO_MMODEL *
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198 | #define lzo_bytepp lzo_bytep __LZO_MMODEL *
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199 |
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200 | typedef int lzo_bool;
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201 |
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202 | #ifndef lzo_sizeof_dict_t
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203 | # define lzo_sizeof_dict_t sizeof(lzo_bytep)
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204 | #endif
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205 |
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206 |
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207 | /***********************************************************************
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208 | // function types
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209 | ************************************************************************/
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210 |
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211 | /* linkage */
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212 | #if !defined(__LZO_EXTERN_C)
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213 | # ifdef __cplusplus
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214 | # define __LZO_EXTERN_C extern "C"
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215 | # else
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216 | # define __LZO_EXTERN_C extern
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217 | # endif
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218 | #endif
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219 |
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220 | /* calling conventions */
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221 | #if !defined(__LZO_CDECL)
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222 | # if defined(__LZO_DOS16) || defined(__LZO_WIN16)
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223 | # define __LZO_CDECL __far __cdecl
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224 | # elif defined(__LZO_i386) && defined(_MSC_VER)
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225 | # define __LZO_CDECL __cdecl
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226 | # elif defined(__LZO_i386) && defined(__WATCOMC__)
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227 | # define __LZO_CDECL __near __cdecl
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228 | # else
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229 | # define __LZO_CDECL
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230 | # endif
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231 | #endif
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232 | #if !defined(__LZO_ENTRY)
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233 | # define __LZO_ENTRY __LZO_CDECL
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234 | #endif
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235 |
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236 | /* DLL export information */
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237 | #if !defined(__LZO_EXPORT1)
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238 | # define __LZO_EXPORT1
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239 | #endif
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240 | #if !defined(__LZO_EXPORT2)
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241 | # define __LZO_EXPORT2
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242 | #endif
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243 |
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244 | /* calling convention for C functions */
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245 | #if !defined(LZO_PUBLIC)
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246 | # define LZO_PUBLIC(_rettype) __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY
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247 | #endif
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248 | #if !defined(LZO_EXTERN)
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249 | # define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype)
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250 | #endif
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251 | #if !defined(LZO_PRIVATE)
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252 | # define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY
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253 | #endif
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254 |
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255 | /* cdecl calling convention for assembler functions */
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256 | #if !defined(LZO_PUBLIC_CDECL)
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257 | # define LZO_PUBLIC_CDECL(_rettype) \
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258 | __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL
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259 | #endif
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260 | #if !defined(LZO_EXTERN_CDECL)
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261 | # define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype)
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262 | #endif
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263 |
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264 |
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265 | typedef int
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266 | (__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len,
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267 | lzo_byte *dst, lzo_uint *dst_len,
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268 | lzo_voidp wrkmem );
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269 |
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270 | typedef int
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271 | (__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len,
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272 | lzo_byte *dst, lzo_uint *dst_len,
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273 | lzo_voidp wrkmem );
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274 |
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275 | typedef int
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276 | (__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len,
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277 | lzo_byte *dst, lzo_uint *dst_len,
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278 | lzo_voidp wrkmem );
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279 |
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280 | typedef int
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281 | (__LZO_ENTRY *lzo_compress_dict_t)(const lzo_byte *src, lzo_uint src_len,
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282 | lzo_byte *dst, lzo_uint *dst_len,
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283 | lzo_voidp wrkmem,
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284 | const lzo_byte *dict, lzo_uint dict_len );
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285 |
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286 | typedef int
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287 | (__LZO_ENTRY *lzo_decompress_dict_t)(const lzo_byte *src, lzo_uint src_len,
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288 | lzo_byte *dst, lzo_uint *dst_len,
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289 | lzo_voidp wrkmem,
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290 | const lzo_byte *dict, lzo_uint dict_len );
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291 |
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292 |
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293 | /* a progress indicator callback function */
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294 | typedef void (__LZO_ENTRY *lzo_progress_callback_t) (lzo_uint, lzo_uint);
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295 |
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296 |
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297 | /***********************************************************************
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298 | // error codes and prototypes
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299 | ************************************************************************/
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300 |
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301 | /* Error codes for the compression/decompression functions. Negative
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302 | * values are errors, positive values will be used for special but
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303 | * normal events.
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304 | */
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305 | #define LZO_E_OK 0
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306 | #define LZO_E_ERROR (-1)
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307 | #define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */
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308 | #define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */
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309 | #define LZO_E_INPUT_OVERRUN (-4)
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310 | #define LZO_E_OUTPUT_OVERRUN (-5)
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311 | #define LZO_E_LOOKBEHIND_OVERRUN (-6)
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312 | #define LZO_E_EOF_NOT_FOUND (-7)
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313 | #define LZO_E_INPUT_NOT_CONSUMED (-8)
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314 |
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315 |
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316 | /* lzo_init() should be the first function you call.
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317 | * Check the return code !
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318 | *
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319 | * lzo_init() is a macro to allow checking that the library and the
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320 | * compiler's view of various types are consistent.
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321 | */
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322 | #define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\
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323 | (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\
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324 | (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\
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325 | (int)sizeof(lzo_compress_t))
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326 | LZO_EXTERN(int) __lzo_init2(unsigned,int,int,int,int,int,int,int,int,int);
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327 |
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328 | /* version functions (useful for shared libraries) */
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329 | LZO_EXTERN(unsigned) lzo_version(void);
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330 | LZO_EXTERN(const char *) lzo_version_string(void);
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331 | LZO_EXTERN(const char *) lzo_version_date(void);
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332 | LZO_EXTERN(const lzo_charp) _lzo_version_string(void);
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333 | LZO_EXTERN(const lzo_charp) _lzo_version_date(void);
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334 |
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335 | /* string functions */
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336 | LZO_EXTERN(int)
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337 | lzo_memcmp(const lzo_voidp _s1, const lzo_voidp _s2, lzo_uint _len);
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338 | LZO_EXTERN(lzo_voidp)
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339 | lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len);
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340 | LZO_EXTERN(lzo_voidp)
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341 | lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len);
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342 | LZO_EXTERN(lzo_voidp)
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343 | lzo_memset(lzo_voidp _s, int _c, lzo_uint _len);
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344 |
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345 | /* checksum functions */
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346 | LZO_EXTERN(lzo_uint32)
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347 | lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len);
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348 | LZO_EXTERN(lzo_uint32)
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349 | lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len);
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350 |
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351 | /* memory allocation functions */
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352 | LZO_EXTERN(lzo_bytep) lzo_alloc(lzo_uint _nelems, lzo_uint _size);
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353 | LZO_EXTERN(lzo_bytep) lzo_malloc(lzo_uint _size);
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354 | LZO_EXTERN(void) lzo_free(lzo_voidp _ptr);
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355 |
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356 | extern lzo_bytep (__LZO_ENTRY *lzo_alloc_hook) (lzo_uint,lzo_uint);
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357 | extern void (__LZO_ENTRY *lzo_free_hook) (lzo_voidp);
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358 |
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359 | /* misc. */
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360 | LZO_EXTERN(lzo_bool) lzo_assert(int _expr);
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361 | LZO_EXTERN(int) _lzo_config_check(void);
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362 | typedef union { lzo_bytep p; lzo_uint u; } __lzo_pu_u;
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363 | typedef union { lzo_bytep p; lzo_uint32 u32; } __lzo_pu32_u;
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364 |
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365 | /* align a char pointer on a boundary that is a multiple of `size' */
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366 | LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size);
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367 | #define LZO_PTR_ALIGN_UP(_ptr,_size) \
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368 | ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size)))
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369 |
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370 | /* deprecated - only for backward compatibility */
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371 | #define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size)
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372 |
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373 |
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374 | #ifdef __cplusplus
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375 | } /* extern "C" */
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376 | #endif
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377 |
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378 | #endif /* already included */
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379 |
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