1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2002 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 /* WinCE doesn't have errno.h */ 64 #ifdef _WIN32_WCE 65 # define NO_ERRNO_H 66 #endif 67 68 69 /* 70 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 71 * than 64k bytes at a time (needed on systems with 16-bit int). 72 */ 73 #if defined(MSDOS) && !defined(__32BIT__) 74 # define MAXSEG_64K 75 #endif 76 #ifdef MSDOS 77 # define UNALIGNED_OK 78 #endif 79 80 #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) 81 # define STDC 82 #endif 83 #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) 84 # ifndef STDC 85 # define STDC 86 # endif 87 #endif 88 89 #ifndef STDC 90 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 91 # define const 92 # endif 93 #endif 94 95 /* Some Mac compilers merge all .h files incorrectly: */ 96 #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) 97 # define NO_DUMMY_DECL 98 #endif 99 100 /* Old Borland C and LCC incorrectly complains about missing returns: */ 101 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) 102 # define NEED_DUMMY_RETURN 103 #endif 104 105 #if defined(__LCC__) 106 # define NEED_DUMMY_RETURN 107 #endif 108 109 /* Maximum value for memLevel in deflateInit2 */ 110 #ifndef MAX_MEM_LEVEL 111 # ifdef MAXSEG_64K 112 # define MAX_MEM_LEVEL 8 113 # else 114 # define MAX_MEM_LEVEL 9 115 # endif 116 #endif 117 118 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 119 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 120 * created by gzip. (Files created by minigzip can still be extracted by 121 * gzip.) 122 */ 123 #ifndef MAX_WBITS 124 # define MAX_WBITS 15 /* 32K LZ77 window */ 125 #endif 126 127 /* The memory requirements for deflate are (in bytes): 128 (1 << (windowBits+2)) + (1 << (memLevel+9)) 129 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 130 plus a few kilobytes for small objects. For example, if you want to reduce 131 the default memory requirements from 256K to 128K, compile with 132 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 133 Of course this will generally degrade compression (there's no free lunch). 134 135 The memory requirements for inflate are (in bytes) 1 << windowBits 136 that is, 32K for windowBits=15 (default value) plus a few kilobytes 137 for small objects. 138 */ 139 140 /* Type declarations */ 141 142 #ifndef OF /* function prototypes */ 143 # ifdef STDC 144 # define OF(args) args 145 # else 146 # define OF(args) () 147 # endif 148 #endif 149 150 /* The following definitions for FAR are needed only for MSDOS mixed 151 * model programming (small or medium model with some far allocations). 152 * This was tested only with MSC; for other MSDOS compilers you may have 153 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 154 * just define FAR to be empty. 155 */ 156 #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) 157 /* MSC small or medium model */ 158 # define SMALL_MEDIUM 159 # ifdef _MSC_VER 160 # define FAR _far 161 # else 162 # define FAR far 163 # endif 164 #endif 165 #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) 166 # ifndef __32BIT__ 167 # define SMALL_MEDIUM 168 # define FAR _far 169 # endif 170 #endif 171 172 /* Compile with -DZLIB_DLL for Windows DLL support */ 173 #if defined(ZLIB_DLL) 174 # if defined(_WINDOWS) || defined(WINDOWS) 175 # ifdef FAR 176 # undef FAR 177 # endif 178 # include <windows.h> 179 # define ZEXPORT(x) x WINAPI 180 # ifdef WIN32 181 # define ZEXPORTVA(x) x WINAPIV 182 # else 183 # define ZEXPORTVA(x) x FAR _cdecl _export 184 # endif 185 # endif 186 # if defined (__BORLANDC__) 187 # if (__BORLANDC__ >= 0x0500) && defined (WIN32) 188 # include <windows.h> 189 # define ZEXPORT(x) x __declspec(dllexport) WINAPI 190 # define ZEXPORTRVA(x) x __declspec(dllexport) WINAPIV 191 # else 192 # if defined (_Windows) && defined (__DLL__) 193 # define ZEXPORT(x) x _export 194 # define ZEXPORTVA(x) x _export 195 # endif 196 # endif 197 # endif 198 #endif 199 200 201 #ifndef ZEXPORT 202 # define ZEXPORT(x) static x 203 #endif 204 #ifndef ZEXPORTVA 205 # define ZEXPORTVA(x) static x 206 #endif 207 #ifndef ZEXTERN 208 # define ZEXTERN(x) static x 209 #endif 210 #ifndef ZEXTERNDEF 211 # define ZEXTERNDEF(x) static x 212 #endif 213 214 #ifndef FAR 215 # define FAR 216 #endif 217 218 #if !defined(MACOS) && !defined(TARGET_OS_MAC) 219 typedef unsigned char Byte; /* 8 bits */ 220 #endif 221 typedef unsigned int uInt; /* 16 bits or more */ 222 typedef unsigned long uLong; /* 32 bits or more */ 223 224 #ifdef SMALL_MEDIUM 225 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 226 # define Bytef Byte FAR 227 #else 228 typedef Byte FAR Bytef; 229 #endif 230 typedef char FAR charf; 231 typedef int FAR intf; 232 typedef uInt FAR uIntf; 233 typedef uLong FAR uLongf; 234 235 #ifdef STDC 236 typedef void FAR *voidpf; 237 typedef void *voidp; 238 #else 239 typedef Byte FAR *voidpf; 240 typedef Byte *voidp; 241 #endif 242 243 #ifdef HAVE_UNISTD_H 244 # include <sys/types.h> /* for off_t */ 245 # include <unistd.h> /* for SEEK_* and off_t */ 246 # define z_off_t off_t 247 #endif 248 #ifndef SEEK_SET 249 # define SEEK_SET 0 /* Seek from beginning of file. */ 250 # define SEEK_CUR 1 /* Seek from current position. */ 251 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 252 #endif 253 #ifndef z_off_t 254 # define z_off_t long 255 #endif 256 257 /* MVS linker does not support external names larger than 8 bytes */ 258 #if defined(__MVS__) 259 # pragma map(deflateInit_,"DEIN") 260 # pragma map(deflateInit2_,"DEIN2") 261 # pragma map(deflateEnd,"DEEND") 262 # pragma map(inflateInit_,"ININ") 263 # pragma map(inflateInit2_,"ININ2") 264 # pragma map(inflateEnd,"INEND") 265 # pragma map(inflateSync,"INSY") 266 # pragma map(inflateSetDictionary,"INSEDI") 267 # pragma map(inflate_blocks,"INBL") 268 # pragma map(inflate_blocks_new,"INBLNE") 269 # pragma map(inflate_blocks_free,"INBLFR") 270 # pragma map(inflate_blocks_reset,"INBLRE") 271 # pragma map(inflate_codes_free,"INCOFR") 272 # pragma map(inflate_codes,"INCO") 273 # pragma map(inflate_fast,"INFA") 274 # pragma map(inflate_flush,"INFLU") 275 # pragma map(inflate_mask,"INMA") 276 # pragma map(inflate_set_dictionary,"INSEDI2") 277 # pragma map(inflate_copyright,"INCOPY") 278 # pragma map(inflate_trees_bits,"INTRBI") 279 # pragma map(inflate_trees_dynamic,"INTRDY") 280 # pragma map(inflate_trees_fixed,"INTRFI") 281 # pragma map(inflate_trees_free,"INTRFR") 282 #endif 283 284 #endif /* _ZCONF_H */ 285