projects / wxWidgets.git / blame
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1 | /* zconf.h -- configuration of the zlib compression library |
| 2 | * Copyright (C) 1995-1998 Jean-loup Gailly. | |
| 3 | * For conditions of distribution and use, see copyright notice in zlib.h | |
| 4 | */ | |
| 5 | ||
| 6 | /* @(#) $Id$ */ | |
| 7 | ||
| 8 | #ifndef _ZCONF_H | |
| 9 | #define _ZCONF_H | |
| 10 | ||
| 11 | /* | |
| 12 | * If you *really* need a unique prefix for all types and library functions, | |
| 13 | * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. | |
| 14 | */ | |
| 15 | #ifdef Z_PREFIX | |
| 16 | # define deflateInit_ z_deflateInit_ | |
| 17 | # define deflate z_deflate | |
| 18 | # define deflateEnd z_deflateEnd | |
| 19 | # define inflateInit_ z_inflateInit_ | |
| 20 | # define inflate z_inflate | |
| 21 | # define inflateEnd z_inflateEnd | |
| 22 | # define deflateInit2_ z_deflateInit2_ | |
| 23 | # define deflateSetDictionary z_deflateSetDictionary | |
| 24 | # define deflateCopy z_deflateCopy | |
| 25 | # define deflateReset z_deflateReset | |
| 26 | # define deflateParams z_deflateParams | |
| 27 | # define inflateInit2_ z_inflateInit2_ | |
| 28 | # define inflateSetDictionary z_inflateSetDictionary | |
| 29 | # define inflateSync z_inflateSync | |
| 30 | # define inflateSyncPoint z_inflateSyncPoint | |
| 31 | # define inflateReset z_inflateReset | |
| 32 | # define compress z_compress | |
| 33 | # define compress2 z_compress2 | |
| 34 | # define uncompress z_uncompress | |
| 35 | # define adler32 z_adler32 | |
| 36 | # define crc32 z_crc32 | |
| 37 | # define get_crc_table z_get_crc_table | |
| 38 | ||
| 39 | # define Byte z_Byte | |
| 40 | # define uInt z_uInt | |
| 41 | # define uLong z_uLong | |
| 42 | # define Bytef z_Bytef | |
| 43 | # define charf z_charf | |
| 44 | # define intf z_intf | |
| 45 | # define uIntf z_uIntf | |
| 46 | # define uLongf z_uLongf | |
| 47 | # define voidpf z_voidpf | |
| 48 | # define voidp z_voidp | |
| 49 | #endif | |
| 50 | ||
| 51 | #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) | |
| 52 | # define WIN32 | |
| 53 | #endif | |
| 54 | #if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386) | |
| 55 | # ifndef __32BIT__ | |
| 56 | # define __32BIT__ | |
| 57 | # endif | |
| 58 | #endif | |
| 59 | #if defined(__MSDOS__) && !defined(MSDOS) | |
| 60 | # define MSDOS | |
| 61 | #endif | |
| 62 | ||
| 63 | /* | |
| 64 | * Compile with -DMAXSEG_64K if the alloc function cannot allocate more | |
| 65 | * than 64k bytes at a time (needed on systems with 16-bit int). | |
| 66 | */ | |
| 67 | #if defined(MSDOS) && !defined(__32BIT__) | |
| 68 | # define MAXSEG_64K | |
| 69 | #endif | |
| 70 | #ifdef MSDOS | |
| 71 | # define UNALIGNED_OK | |
| 72 | #endif | |
| 73 | ||
| 74 | #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) | |
| 75 | # define STDC | |
| 76 | #endif | |
| 77 | #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) | |
| 78 | # ifndef STDC | |
| 79 | # define STDC | |
| 80 | # endif | |
| 81 | #endif | |
| 82 | ||
| 83 | #ifndef STDC | |
| 84 | # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ | |
| 85 | # define const | |
| 86 | # endif | |
| 87 | #endif | |
| 88 | ||
| 89 | /* Some Mac compilers merge all .h files incorrectly: */ | |
| 90 | #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) | |
| 91 | # define NO_DUMMY_DECL | |
| 92 | #endif | |
| 93 | ||
| 94 | /* Borland C incorrectly complains about missing returns: */ | |
| 95 | #if defined(__BORLANDC__) | |
| 96 | # define NEED_DUMMY_RETURN | |
| 97 | #endif | |
| 98 | ||
| 99 | ||
| 100 | /* Maximum value for memLevel in deflateInit2 */ | |
| 101 | #ifndef MAX_MEM_LEVEL | |
| 102 | # ifdef MAXSEG_64K | |
| 103 | # define MAX_MEM_LEVEL 8 | |
| 104 | # else | |
| 105 | # define MAX_MEM_LEVEL 9 | |
| 106 | # endif | |
| 107 | #endif | |
| 108 | ||
| 109 | /* Maximum value for windowBits in deflateInit2 and inflateInit2. | |
| 110 | * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files | |
| 111 | * created by gzip. (Files created by minigzip can still be extracted by | |
| 112 | * gzip.) | |
| 113 | */ | |
| 114 | #ifndef MAX_WBITS | |
| 115 | # define MAX_WBITS 15 /* 32K LZ77 window */ | |
| 116 | #endif | |
| 117 | ||
| 118 | /* The memory requirements for deflate are (in bytes): | |
| 119 | (1 << (windowBits+2)) + (1 << (memLevel+9)) | |
| 120 | that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) | |
| 121 | plus a few kilobytes for small objects. For example, if you want to reduce | |
| 122 | the default memory requirements from 256K to 128K, compile with | |
| 123 | make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" | |
| 124 | Of course this will generally degrade compression (there's no free lunch). | |
| 125 | ||
| 126 | The memory requirements for inflate are (in bytes) 1 << windowBits | |
| 127 | that is, 32K for windowBits=15 (default value) plus a few kilobytes | |
| 128 | for small objects. | |
| 129 | */ | |
| 130 | ||
| 131 | /* Type declarations */ | |
| 132 | ||
| 133 | #ifndef OF /* function prototypes */ | |
| 134 | # ifdef STDC | |
| 135 | # define OF(args) args | |
| 136 | # else | |
| 137 | # define OF(args) () | |
| 138 | # endif | |
| 139 | #endif | |
| 140 | ||
| 141 | /* The following definitions for FAR are needed only for MSDOS mixed | |
| 142 | * model programming (small or medium model with some far allocations). | |
| 143 | * This was tested only with MSC; for other MSDOS compilers you may have | |
| 144 | * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, | |
| 145 | * just define FAR to be empty. | |
| 146 | */ | |
| 147 | #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) | |
| 148 | /* MSC small or medium model */ | |
| 149 | # define SMALL_MEDIUM | |
| 150 | # ifdef _MSC_VER | |
| 151 | # define FAR __far | |
| 152 | # else | |
| 153 | # define FAR far | |
| 154 | # endif | |
| 155 | #endif | |
| 156 | #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) | |
| 157 | # ifndef __32BIT__ | |
| 158 | # define SMALL_MEDIUM | |
| 159 | # define FAR __far | |
| 160 | # endif | |
| 161 | #endif | |
| 162 | ||
| 163 | /* Compile with -DZLIB_DLL for Windows DLL support */ | |
| 164 | #if (defined(_WINDOWS) || defined(WINDOWS)) && defined(ZLIB_DLL) | |
| 165 | # ifdef FAR | |
| 166 | # undef FAR | |
| 167 | # endif | |
| 168 | # include <windows.h> | |
| 169 | # define ZEXPORT WINAPI | |
| 170 | # ifdef WIN32 | |
| 171 | # define ZEXPORTVA WINAPIV | |
| 172 | # else | |
| 173 | # define ZEXPORTVA FAR _cdecl _export | |
| 174 | # endif | |
| 175 | #else | |
| 176 | # if defined (__BORLANDC__) && defined (_Windows) && defined (__DLL__) | |
| 177 | # define ZEXPORT _export | |
| 178 | # define ZEXPORTVA _export | |
| 179 | # else | |
| 180 | # define ZEXPORT | |
| 181 | # define ZEXPORTVA | |
| 182 | # endif | |
| 183 | #endif | |
| 184 | ||
| 185 | #ifndef FAR | |
| 186 | # define FAR | |
| 187 | #endif | |
| 188 | ||
| 189 | typedef unsigned char Byte; /* 8 bits */ | |
| 190 | typedef unsigned int uInt; /* 16 bits or more */ | |
| 191 | typedef unsigned long uLong; /* 32 bits or more */ | |
| 192 | ||
| 193 | #if defined(__BORLANDC__) && defined(SMALL_MEDIUM) | |
| 194 | /* Borland C/C++ ignores FAR inside typedef */ | |
| 195 | # define Bytef Byte FAR | |
| 196 | #else | |
| 197 | typedef Byte FAR Bytef; | |
| 198 | #endif | |
| 199 | typedef char FAR charf; | |
| 200 | typedef int FAR intf; | |
| 201 | typedef uInt FAR uIntf; | |
| 202 | typedef uLong FAR uLongf; | |
| 203 | ||
| 204 | #ifdef STDC | |
| 205 | typedef void FAR *voidpf; | |
| 206 | typedef void *voidp; | |
| 207 | #else | |
| 208 | typedef Byte FAR *voidpf; | |
| 209 | typedef Byte *voidp; | |
| 210 | #endif | |
| 211 | ||
| 212 | #ifdef HAVE_UNISTD_H | |
| 213 | # include <sys/types.h> /* for off_t */ | |
| 214 | # include <unistd.h> /* for SEEK_* and off_t */ | |
| 215 | # define z_off_t off_t | |
| 216 | #endif | |
| 217 | #ifndef SEEK_SET | |
| 218 | # define SEEK_SET 0 /* Seek from beginning of file. */ | |
| 219 | # define SEEK_CUR 1 /* Seek from current position. */ | |
| 220 | #endif | |
| 221 | #ifndef z_off_t | |
| 222 | # define z_off_t long | |
| 223 | #endif | |
| 224 | ||
| 225 | /* MVS linker does not support external names larger than 8 bytes */ | |
| 226 | #if defined(__MVS__) | |
| 227 | # pragma map(deflateInit_,"DEIN") | |
| 228 | # pragma map(deflateInit2_,"DEIN2") | |
| 229 | # pragma map(deflateEnd,"DEEND") | |
| 230 | # pragma map(inflateInit_,"ININ") | |
| 231 | # pragma map(inflateInit2_,"ININ2") | |
| 232 | # pragma map(inflateEnd,"INEND") | |
| 233 | # pragma map(inflateSync,"INSY") | |
| 234 | # pragma map(inflateSetDictionary,"INSEDI") | |
| 235 | # pragma map(inflate_blocks,"INBL") | |
| 236 | # pragma map(inflate_blocks_new,"INBLNE") | |
| 237 | # pragma map(inflate_blocks_free,"INBLFR") | |
| 238 | # pragma map(inflate_blocks_reset,"INBLRE") | |
| 239 | # pragma map(inflate_codes_free,"INCOFR") | |
| 240 | # pragma map(inflate_codes,"INCO") | |
| 241 | # pragma map(inflate_fast,"INFA") | |
| 242 | # pragma map(inflate_flush,"INFLU") | |
| 243 | # pragma map(inflate_mask,"INMA") | |
| 244 | # pragma map(inflate_set_dictionary,"INSEDI2") | |
| 245 | # pragma map(inflate_copyright,"INCOPY") | |
| 246 | # pragma map(inflate_trees_bits,"INTRBI") | |
| 247 | # pragma map(inflate_trees_dynamic,"INTRDY") | |
| 248 | # pragma map(inflate_trees_fixed,"INTRFI") | |
| 249 | # pragma map(inflate_trees_free,"INTRFR") | |
| 250 | #endif | |
| 251 | ||
| 252 | #endif /* _ZCONF_H */ |