1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2004 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6 /* @(#) $Id: zconf.in.h,v 1.1.1.1 2005/04/24 21:39:37 giles Exp $ */ 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 deflateBound z_deflateBound 28 # define deflatePrime z_deflatePrime 29 # define inflateInit2_ z_inflateInit2_ 30 # define inflateSetDictionary z_inflateSetDictionary 31 # define inflateSync z_inflateSync 32 # define inflateSyncPoint z_inflateSyncPoint 33 # define inflateCopy z_inflateCopy 34 # define inflateReset z_inflateReset 35 # define inflateBack z_inflateBack 36 # define inflateBackEnd z_inflateBackEnd 37 # define compress z_compress 38 # define compress2 z_compress2 39 # define compressBound z_compressBound 40 # define uncompress z_uncompress 41 # define adler32 z_adler32 42 # define crc32 z_crc32 43 # define get_crc_table z_get_crc_table 44 # define zError z_zError 45 46 # define Byte z_Byte 47 # define uInt z_uInt 48 # define uLong z_uLong 49 # define Bytef z_Bytef 50 # define charf z_charf 51 # define intf z_intf 52 # define uIntf z_uIntf 53 # define uLongf z_uLongf 54 # define voidpf z_voidpf 55 # define voidp z_voidp 56 #endif 57 58 #if defined(__MSDOS__) && !defined(MSDOS) 59 # define MSDOS 60 #endif 61 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 62 # define OS2 63 #endif 64 #if defined(_WINDOWS) && !defined(WINDOWS) 65 # define WINDOWS 66 #endif 67 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) 68 # define WIN32 69 #endif 70 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 71 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 72 # ifndef SYS16BIT 73 # define SYS16BIT 74 # endif 75 # endif 76 #endif 77 78 /* 79 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 80 * than 64k bytes at a time (needed on systems with 16-bit int). 81 */ 82 #ifdef SYS16BIT 83 # define MAXSEG_64K 84 #endif 85 #ifdef MSDOS 86 # define UNALIGNED_OK 87 #endif 88 89 #ifdef __STDC_VERSION__ 90 # ifndef STDC 91 # define STDC 92 # endif 93 # if __STDC_VERSION__ >= 199901L 94 # ifndef STDC99 95 # define STDC99 96 # endif 97 # endif 98 #endif 99 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 100 # define STDC 101 #endif 102 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 103 # define STDC 104 #endif 105 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 106 # define STDC 107 #endif 108 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 109 # define STDC 110 #endif 111 112 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 113 # define STDC 114 #endif 115 116 #ifndef STDC 117 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 118 # define const /* note: need a more gentle solution here */ 119 # endif 120 #endif 121 122 /* Some Mac compilers merge all .h files incorrectly: */ 123 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 124 # define NO_DUMMY_DECL 125 #endif 126 127 /* Maximum value for memLevel in deflateInit2 */ 128 #ifndef MAX_MEM_LEVEL 129 # ifdef MAXSEG_64K 130 # define MAX_MEM_LEVEL 8 131 # else 132 # define MAX_MEM_LEVEL 9 133 # endif 134 #endif 135 136 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 137 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 138 * created by gzip. (Files created by minigzip can still be extracted by 139 * gzip.) 140 */ 141 #ifndef MAX_WBITS 142 # define MAX_WBITS 15 /* 32K LZ77 window */ 143 #endif 144 145 /* The memory requirements for deflate are (in bytes): 146 (1 << (windowBits+2)) + (1 << (memLevel+9)) 147 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 148 plus a few kilobytes for small objects. For example, if you want to reduce 149 the default memory requirements from 256K to 128K, compile with 150 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 151 Of course this will generally degrade compression (there's no free lunch). 152 153 The memory requirements for inflate are (in bytes) 1 << windowBits 154 that is, 32K for windowBits=15 (default value) plus a few kilobytes 155 for small objects. 156 */ 157 158 /* Type declarations */ 159 160 #ifndef OF /* function prototypes */ 161 # ifdef STDC 162 # define OF(args) args 163 # else 164 # define OF(args) () 165 # endif 166 #endif 167 168 /* The following definitions for FAR are needed only for MSDOS mixed 169 * model programming (small or medium model with some far allocations). 170 * This was tested only with MSC; for other MSDOS compilers you may have 171 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 172 * just define FAR to be empty. 173 */ 174 #ifdef SYS16BIT 175 # if defined(M_I86SM) || defined(M_I86MM) 176 /* MSC small or medium model */ 177 # define SMALL_MEDIUM 178 # ifdef _MSC_VER 179 # define FAR _far 180 # else 181 # define FAR far 182 # endif 183 # endif 184 # if (defined(__SMALL__) || defined(__MEDIUM__)) 185 /* Turbo C small or medium model */ 186 # define SMALL_MEDIUM 187 # ifdef __BORLANDC__ 188 # define FAR _far 189 # else 190 # define FAR far 191 # endif 192 # endif 193 #endif 194 195 #if defined(WINDOWS) || defined(WIN32) 196 /* If building or using zlib as a DLL, define ZLIB_DLL. 197 * This is not mandatory, but it offers a little performance increase. 198 */ 199 # ifdef ZLIB_DLL 200 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 201 # ifdef ZLIB_INTERNAL 202 # define ZEXTERN extern __declspec(dllexport) 203 # else 204 # define ZEXTERN extern __declspec(dllimport) 205 # endif 206 # endif 207 # endif /* ZLIB_DLL */ 208 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 209 * define ZLIB_WINAPI. 210 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 211 */ 212 # ifdef ZLIB_WINAPI 213 # ifdef FAR 214 # undef FAR 215 # endif 216 # include <windows.h> 217 /* No need for _export, use ZLIB.DEF instead. */ 218 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 219 # define ZEXPORT WINAPI 220 # ifdef WIN32 221 # define ZEXPORTVA WINAPIV 222 # else 223 # define ZEXPORTVA FAR CDECL 224 # endif 225 # endif 226 #endif 227 228 #if defined (__BEOS__) 229 # ifdef ZLIB_DLL 230 # ifdef ZLIB_INTERNAL 231 # define ZEXPORT __declspec(dllexport) 232 # define ZEXPORTVA __declspec(dllexport) 233 # else 234 # define ZEXPORT __declspec(dllimport) 235 # define ZEXPORTVA __declspec(dllimport) 236 # endif 237 # endif 238 #endif 239 240 #ifndef ZEXTERN 241 # define ZEXTERN extern 242 #endif 243 #ifndef ZEXPORT 244 # define ZEXPORT 245 #endif 246 #ifndef ZEXPORTVA 247 # define ZEXPORTVA 248 #endif 249 250 #ifndef FAR 251 # define FAR 252 #endif 253 254 #if !defined(__MACTYPES__) 255 typedef unsigned char Byte; /* 8 bits */ 256 #endif 257 typedef unsigned int uInt; /* 16 bits or more */ 258 typedef unsigned long uLong; /* 32 bits or more */ 259 260 #ifdef SMALL_MEDIUM 261 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 262 # define Bytef Byte FAR 263 #else 264 typedef Byte FAR Bytef; 265 #endif 266 typedef char FAR charf; 267 typedef int FAR intf; 268 typedef uInt FAR uIntf; 269 typedef uLong FAR uLongf; 270 271 #ifdef STDC 272 typedef void const *voidpc; 273 typedef void FAR *voidpf; 274 typedef void *voidp; 275 #else 276 typedef Byte const *voidpc; 277 typedef Byte FAR *voidpf; 278 typedef Byte *voidp; 279 #endif 280 281 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 282 # include <sys/types.h> /* for off_t */ 283 # include <unistd.h> /* for SEEK_* and off_t */ 284 # ifdef VMS 285 # include <unixio.h> /* for off_t */ 286 # endif 287 # define z_off_t off_t 288 #endif 289 #ifndef SEEK_SET 290 # define SEEK_SET 0 /* Seek from beginning of file. */ 291 # define SEEK_CUR 1 /* Seek from current position. */ 292 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 293 #endif 294 #ifndef z_off_t 295 # define z_off_t long 296 #endif 297 298 #if defined(__OS400__) 299 # define NO_vsnprintf 300 #endif 301 302 #if defined(__MVS__) 303 # define NO_vsnprintf 304 # ifdef FAR 305 # undef FAR 306 # endif 307 #endif 308 309 /* MVS linker does not support external names larger than 8 bytes */ 310 #if defined(__MVS__) 311 # pragma map(deflateInit_,"DEIN") 312 # pragma map(deflateInit2_,"DEIN2") 313 # pragma map(deflateEnd,"DEEND") 314 # pragma map(deflateBound,"DEBND") 315 # pragma map(inflateInit_,"ININ") 316 # pragma map(inflateInit2_,"ININ2") 317 # pragma map(inflateEnd,"INEND") 318 # pragma map(inflateSync,"INSY") 319 # pragma map(inflateSetDictionary,"INSEDI") 320 # pragma map(compressBound,"CMBND") 321 # pragma map(inflate_table,"INTABL") 322 # pragma map(inflate_fast,"INFA") 323 # pragma map(inflate_copyright,"INCOPY") 324 #endif 325 326 #endif /* ZCONF_H */ 327