1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2005 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 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 alloc_func z_alloc_func 47 # define free_func z_free_func 48 # define in_func z_in_func 49 # define out_func z_out_func 50 # define Byte z_Byte 51 # define uInt z_uInt 52 # define uLong z_uLong 53 # define Bytef z_Bytef 54 # define charf z_charf 55 # define intf z_intf 56 # define uIntf z_uIntf 57 # define uLongf z_uLongf 58 # define voidpf z_voidpf 59 # define voidp z_voidp 60 #endif 61 62 #if defined(__MSDOS__) && !defined(MSDOS) 63 # define MSDOS 64 #endif 65 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 66 # define OS2 67 #endif 68 #if defined(_WINDOWS) && !defined(WINDOWS) 69 # define WINDOWS 70 #endif 71 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 72 # ifndef WIN32 73 # define WIN32 74 # endif 75 #endif 76 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 77 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 78 # ifndef SYS16BIT 79 # define SYS16BIT 80 # endif 81 # endif 82 #endif 83 84 /* 85 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 86 * than 64k bytes at a time (needed on systems with 16-bit int). 87 */ 88 #ifdef SYS16BIT 89 # define MAXSEG_64K 90 #endif 91 #ifdef MSDOS 92 # define UNALIGNED_OK 93 #endif 94 95 #ifdef __STDC_VERSION__ 96 # ifndef STDC 97 # define STDC 98 # endif 99 # if __STDC_VERSION__ >= 199901L 100 # ifndef STDC99 101 # define STDC99 102 # endif 103 # endif 104 #endif 105 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 106 # define STDC 107 #endif 108 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 109 # define STDC 110 #endif 111 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 112 # define STDC 113 #endif 114 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 115 # define STDC 116 #endif 117 118 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 119 # define STDC 120 #endif 121 122 #ifndef STDC 123 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 124 # define const /* note: need a more gentle solution here */ 125 # endif 126 #endif 127 128 /* Some Mac compilers merge all .h files incorrectly: */ 129 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 130 # define NO_DUMMY_DECL 131 #endif 132 133 /* Maximum value for memLevel in deflateInit2 */ 134 #ifndef MAX_MEM_LEVEL 135 # ifdef MAXSEG_64K 136 # define MAX_MEM_LEVEL 8 137 # else 138 # define MAX_MEM_LEVEL 9 139 # endif 140 #endif 141 142 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 143 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 144 * created by gzip. (Files created by minigzip can still be extracted by 145 * gzip.) 146 */ 147 #ifndef MAX_WBITS 148 # define MAX_WBITS 15 /* 32K LZ77 window */ 149 #endif 150 151 /* The memory requirements for deflate are (in bytes): 152 (1 << (windowBits+2)) + (1 << (memLevel+9)) 153 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 154 plus a few kilobytes for small objects. For example, if you want to reduce 155 the default memory requirements from 256K to 128K, compile with 156 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 157 Of course this will generally degrade compression (there's no free lunch). 158 159 The memory requirements for inflate are (in bytes) 1 << windowBits 160 that is, 32K for windowBits=15 (default value) plus a few kilobytes 161 for small objects. 162 */ 163 164 /* Type declarations */ 165 166 #ifndef OF /* function prototypes */ 167 # ifdef STDC 168 # define OF(args) args 169 # else 170 # define OF(args) () 171 # endif 172 #endif 173 174 /* The following definitions for FAR are needed only for MSDOS mixed 175 * model programming (small or medium model with some far allocations). 176 * This was tested only with MSC; for other MSDOS compilers you may have 177 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 178 * just define FAR to be empty. 179 */ 180 #ifdef SYS16BIT 181 # if defined(M_I86SM) || defined(M_I86MM) 182 /* MSC small or medium model */ 183 # define SMALL_MEDIUM 184 # ifdef _MSC_VER 185 # define FAR _far 186 # else 187 # define FAR far 188 # endif 189 # endif 190 # if (defined(__SMALL__) || defined(__MEDIUM__)) 191 /* Turbo C small or medium model */ 192 # define SMALL_MEDIUM 193 # ifdef __BORLANDC__ 194 # define FAR _far 195 # else 196 # define FAR far 197 # endif 198 # endif 199 #endif 200 201 #if defined(WINDOWS) || defined(WIN32) 202 /* If building or using zlib as a DLL, define ZLIB_DLL. 203 * This is not mandatory, but it offers a little performance increase. 204 */ 205 # ifdef ZLIB_DLL 206 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 207 # ifdef ZLIB_INTERNAL 208 # define ZEXTERN extern __declspec(dllexport) 209 # else 210 # define ZEXTERN extern __declspec(dllimport) 211 # endif 212 # endif 213 # endif /* ZLIB_DLL */ 214 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 215 * define ZLIB_WINAPI. 216 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 217 */ 218 # ifdef ZLIB_WINAPI 219 # ifdef FAR 220 # undef FAR 221 # endif 222 # include <windows.h> 223 /* No need for _export, use ZLIB.DEF instead. */ 224 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 225 # define ZEXPORT WINAPI 226 # ifdef WIN32 227 # define ZEXPORTVA WINAPIV 228 # else 229 # define ZEXPORTVA FAR CDECL 230 # endif 231 # endif 232 #endif 233 234 #if defined (__BEOS__) 235 # ifdef ZLIB_DLL 236 # ifdef ZLIB_INTERNAL 237 # define ZEXPORT __declspec(dllexport) 238 # define ZEXPORTVA __declspec(dllexport) 239 # else 240 # define ZEXPORT __declspec(dllimport) 241 # define ZEXPORTVA __declspec(dllimport) 242 # endif 243 # endif 244 #endif 245 246 #ifndef ZEXTERN 247 # define ZEXTERN extern 248 #endif 249 #ifndef ZEXPORT 250 # define ZEXPORT 251 #endif 252 #ifndef ZEXPORTVA 253 # define ZEXPORTVA 254 #endif 255 256 #ifndef FAR 257 # define FAR 258 #endif 259 260 #if !defined(__MACTYPES__) 261 typedef unsigned char Byte; /* 8 bits */ 262 #endif 263 typedef unsigned int uInt; /* 16 bits or more */ 264 typedef unsigned long uLong; /* 32 bits or more */ 265 266 #ifdef SMALL_MEDIUM 267 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 268 # define Bytef Byte FAR 269 #else 270 typedef Byte FAR Bytef; 271 #endif 272 typedef char FAR charf; 273 typedef int FAR intf; 274 typedef uInt FAR uIntf; 275 typedef uLong FAR uLongf; 276 277 #ifdef STDC 278 typedef void const *voidpc; 279 typedef void FAR *voidpf; 280 typedef void *voidp; 281 #else 282 typedef Byte const *voidpc; 283 typedef Byte FAR *voidpf; 284 typedef Byte *voidp; 285 #endif 286 287 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 288 # include <sys/types.h> /* for off_t */ 289 # include <unistd.h> /* for SEEK_* and off_t */ 290 # ifdef VMS 291 # include <unixio.h> /* for off_t */ 292 # endif 293 # define z_off_t off_t 294 #endif 295 #ifndef SEEK_SET 296 # define SEEK_SET 0 /* Seek from beginning of file. */ 297 # define SEEK_CUR 1 /* Seek from current position. */ 298 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 299 #endif 300 #ifndef z_off_t 301 # define z_off_t long 302 #endif 303 304 #if defined(__OS400__) 305 # define NO_vsnprintf 306 #endif 307 308 #if defined(__MVS__) 309 # define NO_vsnprintf 310 # ifdef FAR 311 # undef FAR 312 # endif 313 #endif 314 315 /* MVS linker does not support external names larger than 8 bytes */ 316 #if defined(__MVS__) 317 # pragma map(deflateInit_,"DEIN") 318 # pragma map(deflateInit2_,"DEIN2") 319 # pragma map(deflateEnd,"DEEND") 320 # pragma map(deflateBound,"DEBND") 321 # pragma map(inflateInit_,"ININ") 322 # pragma map(inflateInit2_,"ININ2") 323 # pragma map(inflateEnd,"INEND") 324 # pragma map(inflateSync,"INSY") 325 # pragma map(inflateSetDictionary,"INSEDI") 326 # pragma map(compressBound,"CMBND") 327 # pragma map(inflate_table,"INTABL") 328 # pragma map(inflate_fast,"INFA") 329 # pragma map(inflate_copyright,"INCOPY") 330 #endif 331 332 #endif /* ZCONF_H */ 333