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107 | pj | 1 | /* zconf.h -- configuration of the zlib compression library |
2 | * Copyright (C) 1995-2002 Jean-loup Gailly. |
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3 | * For conditions of distribution and use, see copyright notice in zlib.h |
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4 | */ |
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5 | |||
6 | /* @(#) $Id: zconf.h,v 1.1 2003-03-24 11:13:45 pj Exp $ */ |
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7 | |||
8 | #ifndef _ZCONF_H |
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9 | #define _ZCONF_H |
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10 | |||
11 | /* |
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12 | * If you *really* need a unique prefix for all types and library functions, |
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13 | * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. |
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14 | */ |
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15 | #ifdef Z_PREFIX |
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16 | # define deflateInit_ z_deflateInit_ |
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17 | # define deflate z_deflate |
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18 | # define deflateEnd z_deflateEnd |
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19 | # define inflateInit_ z_inflateInit_ |
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20 | # define inflate z_inflate |
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21 | # define inflateEnd z_inflateEnd |
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22 | # define deflateInit2_ z_deflateInit2_ |
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23 | # define deflateSetDictionary z_deflateSetDictionary |
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24 | # define deflateCopy z_deflateCopy |
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25 | # define deflateReset z_deflateReset |
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26 | # define deflateParams z_deflateParams |
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27 | # define inflateInit2_ z_inflateInit2_ |
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28 | # define inflateSetDictionary z_inflateSetDictionary |
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29 | # define inflateSync z_inflateSync |
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30 | # define inflateSyncPoint z_inflateSyncPoint |
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31 | # define inflateReset z_inflateReset |
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32 | # define compress z_compress |
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33 | # define compress2 z_compress2 |
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34 | # define uncompress z_uncompress |
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35 | # define adler32 z_adler32 |
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36 | # define crc32 z_crc32 |
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37 | # define get_crc_table z_get_crc_table |
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38 | |||
39 | # define Byte z_Byte |
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40 | # define uInt z_uInt |
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41 | # define uLong z_uLong |
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42 | # define Bytef z_Bytef |
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43 | # define charf z_charf |
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44 | # define intf z_intf |
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45 | # define uIntf z_uIntf |
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46 | # define uLongf z_uLongf |
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47 | # define voidpf z_voidpf |
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48 | # define voidp z_voidp |
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49 | #endif |
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50 | |||
51 | #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) |
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52 | # define WIN32 |
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53 | #endif |
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54 | #if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386) |
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55 | # ifndef __32BIT__ |
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56 | # define __32BIT__ |
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57 | # endif |
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58 | #endif |
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59 | #if defined(__MSDOS__) && !defined(MSDOS) |
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60 | # define MSDOS |
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61 | #endif |
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62 | |||
63 | /* |
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64 | * Compile with -DMAXSEG_64K if the alloc function cannot allocate more |
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65 | * than 64k bytes at a time (needed on systems with 16-bit int). |
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66 | */ |
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67 | #if defined(MSDOS) && !defined(__32BIT__) |
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68 | # define MAXSEG_64K |
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69 | #endif |
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70 | #ifdef MSDOS |
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71 | # define UNALIGNED_OK |
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72 | #endif |
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73 | |||
74 | #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) |
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75 | # define STDC |
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76 | #endif |
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77 | #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) |
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78 | # ifndef STDC |
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79 | # define STDC |
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80 | # endif |
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81 | #endif |
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82 | |||
83 | #ifndef STDC |
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84 | # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ |
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85 | # define const |
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86 | # endif |
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87 | #endif |
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88 | |||
89 | /* Some Mac compilers merge all .h files incorrectly: */ |
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90 | #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) |
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91 | # define NO_DUMMY_DECL |
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92 | #endif |
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93 | |||
94 | /* Old Borland C incorrectly complains about missing returns: */ |
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95 | #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) |
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96 | # define NEED_DUMMY_RETURN |
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97 | #endif |
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98 | |||
99 | |||
100 | /* Maximum value for memLevel in deflateInit2 */ |
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101 | #ifndef MAX_MEM_LEVEL |
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102 | # ifdef MAXSEG_64K |
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103 | # define MAX_MEM_LEVEL 8 |
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104 | # else |
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105 | # define MAX_MEM_LEVEL 9 |
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106 | # endif |
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107 | #endif |
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108 | |||
109 | /* Maximum value for windowBits in deflateInit2 and inflateInit2. |
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110 | * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files |
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111 | * created by gzip. (Files created by minigzip can still be extracted by |
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112 | * gzip.) |
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113 | */ |
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114 | #ifndef MAX_WBITS |
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115 | # define MAX_WBITS 15 /* 32K LZ77 window */ |
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116 | #endif |
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117 | |||
118 | /* The memory requirements for deflate are (in bytes): |
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119 | (1 << (windowBits+2)) + (1 << (memLevel+9)) |
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120 | that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) |
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121 | plus a few kilobytes for small objects. For example, if you want to reduce |
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122 | the default memory requirements from 256K to 128K, compile with |
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123 | make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" |
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124 | Of course this will generally degrade compression (there's no free lunch). |
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125 | |||
126 | The memory requirements for inflate are (in bytes) 1 << windowBits |
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127 | that is, 32K for windowBits=15 (default value) plus a few kilobytes |
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128 | for small objects. |
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129 | */ |
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130 | |||
131 | /* Type declarations */ |
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132 | |||
133 | #ifndef OF /* function prototypes */ |
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134 | # ifdef STDC |
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135 | # define OF(args) args |
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136 | # else |
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137 | # define OF(args) () |
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138 | # endif |
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139 | #endif |
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140 | |||
141 | /* The following definitions for FAR are needed only for MSDOS mixed |
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142 | * model programming (small or medium model with some far allocations). |
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143 | * This was tested only with MSC; for other MSDOS compilers you may have |
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144 | * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, |
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145 | * just define FAR to be empty. |
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146 | */ |
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147 | #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) |
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148 | /* MSC small or medium model */ |
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149 | # define SMALL_MEDIUM |
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150 | # ifdef _MSC_VER |
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151 | # define FAR _far |
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152 | # else |
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153 | # define FAR far |
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154 | # endif |
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155 | #endif |
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156 | #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) |
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157 | # ifndef __32BIT__ |
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158 | # define SMALL_MEDIUM |
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159 | # define FAR _far |
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160 | # endif |
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161 | #endif |
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162 | |||
163 | /* Compile with -DZLIB_DLL for Windows DLL support */ |
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164 | #if defined(ZLIB_DLL) |
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165 | # if defined(_WINDOWS) || defined(WINDOWS) |
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166 | # ifdef FAR |
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167 | # undef FAR |
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168 | # endif |
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169 | # include <windows.h> |
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170 | # define ZEXPORT WINAPI |
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171 | # ifdef WIN32 |
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172 | # define ZEXPORTVA WINAPIV |
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173 | # else |
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174 | # define ZEXPORTVA FAR _cdecl _export |
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175 | # endif |
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176 | # endif |
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177 | # if defined (__BORLANDC__) |
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178 | # if (__BORLANDC__ >= 0x0500) && defined (WIN32) |
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179 | # include <windows.h> |
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180 | # define ZEXPORT __declspec(dllexport) WINAPI |
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181 | # define ZEXPORTRVA __declspec(dllexport) WINAPIV |
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182 | # else |
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183 | # if defined (_Windows) && defined (__DLL__) |
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184 | # define ZEXPORT _export |
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185 | # define ZEXPORTVA _export |
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186 | # endif |
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187 | # endif |
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188 | # endif |
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189 | #endif |
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190 | |||
191 | #if defined (__BEOS__) |
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192 | # if defined (ZLIB_DLL) |
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193 | # define ZEXTERN extern __declspec(dllexport) |
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194 | # else |
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195 | # define ZEXTERN extern __declspec(dllimport) |
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196 | # endif |
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197 | #endif |
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198 | |||
199 | #ifndef ZEXPORT |
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200 | # define ZEXPORT |
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201 | #endif |
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202 | #ifndef ZEXPORTVA |
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203 | # define ZEXPORTVA |
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204 | #endif |
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205 | #ifndef ZEXTERN |
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206 | # define ZEXTERN extern |
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207 | #endif |
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208 | |||
209 | #ifndef FAR |
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210 | # define FAR |
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211 | #endif |
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212 | |||
213 | #if !defined(MACOS) && !defined(TARGET_OS_MAC) |
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214 | typedef unsigned char Byte; /* 8 bits */ |
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215 | #endif |
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216 | typedef unsigned int uInt; /* 16 bits or more */ |
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217 | typedef unsigned long uLong; /* 32 bits or more */ |
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218 | |||
219 | #ifdef SMALL_MEDIUM |
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220 | /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ |
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221 | # define Bytef Byte FAR |
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222 | #else |
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223 | typedef Byte FAR Bytef; |
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224 | #endif |
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225 | typedef char FAR charf; |
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226 | typedef int FAR intf; |
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227 | typedef uInt FAR uIntf; |
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228 | typedef uLong FAR uLongf; |
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229 | |||
230 | #ifdef STDC |
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231 | typedef void FAR *voidpf; |
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232 | typedef void *voidp; |
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233 | #else |
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234 | typedef Byte FAR *voidpf; |
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235 | typedef Byte *voidp; |
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236 | #endif |
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237 | |||
238 | #ifdef HAVE_UNISTD_H |
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239 | # include <sys/types.h> /* for off_t */ |
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240 | # include <unistd.h> /* for SEEK_* and off_t */ |
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241 | # define z_off_t off_t |
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242 | #endif |
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243 | #ifndef SEEK_SET |
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244 | # define SEEK_SET 0 /* Seek from beginning of file. */ |
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245 | # define SEEK_CUR 1 /* Seek from current position. */ |
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246 | # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ |
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247 | #endif |
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248 | #ifndef z_off_t |
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249 | # define z_off_t long |
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250 | #endif |
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251 | |||
252 | /* MVS linker does not support external names larger than 8 bytes */ |
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253 | #if defined(__MVS__) |
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254 | # pragma map(deflateInit_,"DEIN") |
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255 | # pragma map(deflateInit2_,"DEIN2") |
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256 | # pragma map(deflateEnd,"DEEND") |
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257 | # pragma map(inflateInit_,"ININ") |
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258 | # pragma map(inflateInit2_,"ININ2") |
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259 | # pragma map(inflateEnd,"INEND") |
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260 | # pragma map(inflateSync,"INSY") |
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261 | # pragma map(inflateSetDictionary,"INSEDI") |
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262 | # pragma map(inflate_blocks,"INBL") |
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263 | # pragma map(inflate_blocks_new,"INBLNE") |
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264 | # pragma map(inflate_blocks_free,"INBLFR") |
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265 | # pragma map(inflate_blocks_reset,"INBLRE") |
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266 | # pragma map(inflate_codes_free,"INCOFR") |
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267 | # pragma map(inflate_codes,"INCO") |
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268 | # pragma map(inflate_fast,"INFA") |
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269 | # pragma map(inflate_flush,"INFLU") |
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270 | # pragma map(inflate_mask,"INMA") |
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271 | # pragma map(inflate_set_dictionary,"INSEDI2") |
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272 | # pragma map(inflate_copyright,"INCOPY") |
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273 | # pragma map(inflate_trees_bits,"INTRBI") |
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274 | # pragma map(inflate_trees_dynamic,"INTRDY") |
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275 | # pragma map(inflate_trees_fixed,"INTRFI") |
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276 | # pragma map(inflate_trees_free,"INTRFR") |
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277 | #endif |
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278 | |||
279 | #endif /* _ZCONF_H */ |