1 /* zconf.h -- configuration of the zlib compression library |
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2 * Copyright (C) 1995-2005 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 |
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6 /* @(#) $Id$ */ |
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7 |
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8 #ifndef ZCONF_H |
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9 #define ZCONF_H |
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10 |
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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 deflateBound z_deflateBound |
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28 # define deflatePrime z_deflatePrime |
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29 # define inflateInit2_ z_inflateInit2_ |
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30 # define inflateSetDictionary z_inflateSetDictionary |
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31 # define inflateSync z_inflateSync |
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32 # define inflateSyncPoint z_inflateSyncPoint |
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33 # define inflateCopy z_inflateCopy |
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34 # define inflateReset z_inflateReset |
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35 # define inflateBack z_inflateBack |
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36 # define inflateBackEnd z_inflateBackEnd |
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37 # define compress z_compress |
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38 # define compress2 z_compress2 |
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39 # define compressBound z_compressBound |
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40 # define uncompress z_uncompress |
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41 # define adler32 z_adler32 |
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42 # define crc32 z_crc32 |
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43 # define get_crc_table z_get_crc_table |
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44 # define zError z_zError |
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45 |
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46 # define alloc_func z_alloc_func |
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47 # define free_func z_free_func |
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48 # define in_func z_in_func |
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49 # define out_func z_out_func |
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50 # define Byte z_Byte |
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51 # define uInt z_uInt |
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52 # define uLong z_uLong |
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53 # define Bytef z_Bytef |
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54 # define charf z_charf |
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55 # define intf z_intf |
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56 # define uIntf z_uIntf |
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57 # define uLongf z_uLongf |
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58 # define voidpf z_voidpf |
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59 # define voidp z_voidp |
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60 #endif |
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61 |
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62 #if defined(__MSDOS__) && !defined(MSDOS) |
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63 # define MSDOS |
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64 #endif |
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65 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) |
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66 # define OS2 |
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67 #endif |
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68 #if defined(_WINDOWS) && !defined(WINDOWS) |
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69 # define WINDOWS |
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70 #endif |
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71 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) |
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72 # ifndef WIN32 |
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73 # define WIN32 |
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74 # endif |
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75 #endif |
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76 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) |
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77 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) |
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78 # ifndef SYS16BIT |
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79 # define SYS16BIT |
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80 # endif |
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81 # endif |
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82 #endif |
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83 |
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84 /* |
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85 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more |
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86 * than 64k bytes at a time (needed on systems with 16-bit int). |
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87 */ |
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88 #ifdef SYS16BIT |
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89 # define MAXSEG_64K |
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90 #endif |
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91 #ifdef MSDOS |
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92 # define UNALIGNED_OK |
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93 #endif |
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94 |
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95 #ifdef __STDC_VERSION__ |
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96 # ifndef STDC |
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97 # define STDC |
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98 # endif |
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99 # if __STDC_VERSION__ >= 199901L |
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100 # ifndef STDC99 |
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101 # define STDC99 |
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102 # endif |
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103 # endif |
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104 #endif |
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105 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) |
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106 # define STDC |
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107 #endif |
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108 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) |
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109 # define STDC |
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110 #endif |
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111 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) |
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112 # define STDC |
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113 #endif |
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114 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) |
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115 # define STDC |
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116 #endif |
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117 |
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118 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ |
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119 # define STDC |
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120 #endif |
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121 |
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122 #ifndef STDC |
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123 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ |
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124 # define const /* note: need a more gentle solution here */ |
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125 # endif |
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126 #endif |
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127 |
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128 /* Some Mac compilers merge all .h files incorrectly: */ |
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129 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) |
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130 # define NO_DUMMY_DECL |
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131 #endif |
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132 |
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133 /* Maximum value for memLevel in deflateInit2 */ |
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134 #ifndef MAX_MEM_LEVEL |
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135 # ifdef MAXSEG_64K |
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136 # define MAX_MEM_LEVEL 8 |
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137 # else |
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138 # define MAX_MEM_LEVEL 9 |
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139 # endif |
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140 #endif |
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141 |
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142 /* Maximum value for windowBits in deflateInit2 and inflateInit2. |
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143 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files |
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144 * created by gzip. (Files created by minigzip can still be extracted by |
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145 * gzip.) |
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146 */ |
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147 #ifndef MAX_WBITS |
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148 # define MAX_WBITS 15 /* 32K LZ77 window */ |
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149 #endif |
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150 |
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151 /* The memory requirements for deflate are (in bytes): |
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152 (1 << (windowBits+2)) + (1 << (memLevel+9)) |
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153 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) |
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154 plus a few kilobytes for small objects. For example, if you want to reduce |
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155 the default memory requirements from 256K to 128K, compile with |
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156 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" |
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157 Of course this will generally degrade compression (there's no free lunch). |
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158 |
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159 The memory requirements for inflate are (in bytes) 1 << windowBits |
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160 that is, 32K for windowBits=15 (default value) plus a few kilobytes |
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161 for small objects. |
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162 */ |
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163 |
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164 /* Type declarations */ |
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165 |
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166 #ifndef OF /* function prototypes */ |
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167 # ifdef STDC |
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168 # define OF(args) args |
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169 # else |
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170 # define OF(args) () |
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171 # endif |
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172 #endif |
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173 |
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174 /* The following definitions for FAR are needed only for MSDOS mixed |
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175 * model programming (small or medium model with some far allocations). |
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176 * This was tested only with MSC; for other MSDOS compilers you may have |
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177 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, |
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178 * just define FAR to be empty. |
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179 */ |
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180 #ifdef SYS16BIT |
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181 # if defined(M_I86SM) || defined(M_I86MM) |
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182 /* MSC small or medium model */ |
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183 # define SMALL_MEDIUM |
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184 # ifdef _MSC_VER |
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185 # define FAR _far |
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186 # else |
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187 # define FAR far |
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188 # endif |
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189 # endif |
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190 # if (defined(__SMALL__) || defined(__MEDIUM__)) |
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191 /* Turbo C small or medium model */ |
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192 # define SMALL_MEDIUM |
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193 # ifdef __BORLANDC__ |
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194 # define FAR _far |
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195 # else |
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196 # define FAR far |
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197 # endif |
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198 # endif |
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199 #endif |
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200 |
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201 #if defined(WINDOWS) || defined(WIN32) |
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202 /* If building or using zlib as a DLL, define ZLIB_DLL. |
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203 * This is not mandatory, but it offers a little performance increase. |
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204 */ |
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205 # ifdef ZLIB_DLL |
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206 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) |
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207 # ifdef ZLIB_INTERNAL |
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208 # define ZEXTERN extern __declspec(dllexport) |
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209 # else |
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210 # define ZEXTERN extern __declspec(dllimport) |
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211 # endif |
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212 # endif |
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213 # endif /* ZLIB_DLL */ |
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214 /* If building or using zlib with the WINAPI/WINAPIV calling convention, |
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215 * define ZLIB_WINAPI. |
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216 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. |
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217 */ |
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218 # ifdef ZLIB_WINAPI |
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219 # ifdef FAR |
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220 # undef FAR |
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221 # endif |
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222 # include <windows.h> |
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223 /* No need for _export, use ZLIB.DEF instead. */ |
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224 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ |
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225 # define ZEXPORT WINAPI |
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226 # ifdef WIN32 |
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227 # define ZEXPORTVA WINAPIV |
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228 # else |
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229 # define ZEXPORTVA FAR CDECL |
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230 # endif |
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231 # endif |
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232 #endif |
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233 |
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234 #if defined (__BEOS__) |
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235 # ifdef ZLIB_DLL |
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236 # ifdef ZLIB_INTERNAL |
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237 # define ZEXPORT __declspec(dllexport) |
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238 # define ZEXPORTVA __declspec(dllexport) |
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239 # else |
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240 # define ZEXPORT __declspec(dllimport) |
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241 # define ZEXPORTVA __declspec(dllimport) |
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242 # endif |
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243 # endif |
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244 #endif |
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245 |
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246 #ifndef ZEXTERN |
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247 # define ZEXTERN extern |
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248 #endif |
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249 #ifndef ZEXPORT |
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250 # define ZEXPORT |
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251 #endif |
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252 #ifndef ZEXPORTVA |
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253 # define ZEXPORTVA |
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254 #endif |
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255 |
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256 #ifndef FAR |
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257 # define FAR |
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258 #endif |
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259 |
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260 #if !defined(__MACTYPES__) |
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261 typedef unsigned char Byte; /* 8 bits */ |
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262 #endif |
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263 typedef unsigned int uInt; /* 16 bits or more */ |
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264 typedef unsigned long uLong; /* 32 bits or more */ |
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265 |
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266 #ifdef SMALL_MEDIUM |
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267 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ |
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268 # define Bytef Byte FAR |
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269 #else |
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270 typedef Byte FAR Bytef; |
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271 #endif |
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272 typedef char FAR charf; |
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273 typedef int FAR intf; |
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274 typedef uInt FAR uIntf; |
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275 typedef uLong FAR uLongf; |
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276 |
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277 #ifdef STDC |
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278 typedef void const *voidpc; |
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279 typedef void FAR *voidpf; |
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280 typedef void *voidp; |
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281 #else |
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282 typedef Byte const *voidpc; |
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283 typedef Byte FAR *voidpf; |
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284 typedef Byte *voidp; |
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285 #endif |
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286 |
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287 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ |
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288 # include <sys/types.h> /* for off_t */ |
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289 # include <unistd.h> /* for SEEK_* and off_t */ |
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290 # ifdef VMS |
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291 # include <unixio.h> /* for off_t */ |
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292 # endif |
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293 # define z_off_t off_t |
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294 #endif |
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295 #ifndef SEEK_SET |
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296 # define SEEK_SET 0 /* Seek from beginning of file. */ |
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297 # define SEEK_CUR 1 /* Seek from current position. */ |
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298 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ |
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299 #endif |
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300 #ifndef z_off_t |
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301 # define z_off_t long |
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302 #endif |
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303 |
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304 #if defined(__OS400__) |
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305 # define NO_vsnprintf |
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306 #endif |
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307 |
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308 #if defined(__MVS__) |
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309 # define NO_vsnprintf |
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310 # ifdef FAR |
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311 # undef FAR |
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312 # endif |
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313 #endif |
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314 |
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315 /* MVS linker does not support external names larger than 8 bytes */ |
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316 #if defined(__MVS__) |
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317 # pragma map(deflateInit_,"DEIN") |
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318 # pragma map(deflateInit2_,"DEIN2") |
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319 # pragma map(deflateEnd,"DEEND") |
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320 # pragma map(deflateBound,"DEBND") |
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321 # pragma map(inflateInit_,"ININ") |
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322 # pragma map(inflateInit2_,"ININ2") |
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323 # pragma map(inflateEnd,"INEND") |
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324 # pragma map(inflateSync,"INSY") |
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325 # pragma map(inflateSetDictionary,"INSEDI") |
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326 # pragma map(compressBound,"CMBND") |
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327 # pragma map(inflate_table,"INTABL") |
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328 # pragma map(inflate_fast,"INFA") |
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329 # pragma map(inflate_copyright,"INCOPY") |
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330 #endif |
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331 |
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332 #endif /* ZCONF_H */ |
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