1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2003 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6 7 #ifndef ZCONF_H 8 #define ZCONF_H 9 10 /* 11 * If you *really* need a unique prefix for all types and library functions, 12 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 13 */ 14 #ifdef Z_PREFIX 15 # define deflateInit_ z_deflateInit_ 16 # define deflate z_deflate 17 # define deflateEnd z_deflateEnd 18 # define inflateInit_ z_inflateInit_ 19 # define inflate z_inflate 20 # define inflateEnd z_inflateEnd 21 # define deflateInit2_ z_deflateInit2_ 22 # define deflateSetDictionary z_deflateSetDictionary 23 # define deflateCopy z_deflateCopy 24 # define deflateReset z_deflateReset 25 # define deflatePrime z_deflatePrime 26 # define deflateParams z_deflateParams 27 # define deflateBound z_deflateBound 28 # define inflateInit2_ z_inflateInit2_ 29 # define inflateSetDictionary z_inflateSetDictionary 30 # define inflateSync z_inflateSync 31 # define inflateSyncPoint z_inflateSyncPoint 32 # define inflateCopy z_inflateCopy 33 # define inflateReset z_inflateReset 34 # define compress z_compress 35 # define compress2 z_compress2 36 # define compressBound z_compressBound 37 # define uncompress z_uncompress 38 # define adler32 z_adler32 39 # define crc32 z_crc32 40 # define get_crc_table z_get_crc_table 41 42 # define Byte z_Byte 43 # define uInt z_uInt 44 # define uLong z_uLong 45 # define Bytef z_Bytef 46 # define charf z_charf 47 # define intf z_intf 48 # define uIntf z_uIntf 49 # define uLongf z_uLongf 50 # define voidpf z_voidpf 51 # define voidp z_voidp 52 #endif 53 54 #if defined(__MSDOS__) && !defined(MSDOS) 55 # define MSDOS 56 #endif 57 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 58 # define OS2 59 #endif 60 #if defined(_WINDOWS) && !defined(WINDOWS) 61 # define WINDOWS 62 #endif 63 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) 64 # define WIN32 65 #endif 66 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 67 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 68 # ifndef SYS16BIT 69 # define SYS16BIT 70 # endif 71 # endif 72 #endif 73 74 /* 75 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 76 * than 64k bytes at a time (needed on systems with 16-bit int). 77 */ 78 #ifdef SYS16BIT 79 # define MAXSEG_64K 80 #endif 81 #ifdef MSDOS 82 # define UNALIGNED_OK 83 #endif 84 85 #ifdef __STDC_VERSION__ 86 # ifndef STDC 87 # define STDC 88 # endif 89 # if __STDC_VERSION__ >= 199901L 90 # ifndef STDC99 91 # define STDC99 92 # endif 93 # endif 94 #endif 95 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 96 # define STDC 97 #endif 98 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 99 # define STDC 100 #endif 101 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 102 # define STDC 103 #endif 104 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 105 # define STDC 106 #endif 107 108 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 109 # define STDC 110 #endif 111 112 #ifndef STDC 113 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 114 # define const /* note: need a more gentle solution here */ 115 # endif 116 #endif 117 118 /* Some Mac compilers merge all .h files incorrectly: */ 119 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 120 # define NO_DUMMY_DECL 121 #endif 122 123 /* Maximum value for memLevel in deflateInit2 */ 124 #ifndef MAX_MEM_LEVEL 125 # ifdef MAXSEG_64K 126 # define MAX_MEM_LEVEL 8 127 # else 128 # define MAX_MEM_LEVEL 9 129 # endif 130 #endif 131 132 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 133 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 134 * created by gzip. (Files created by minigzip can still be extracted by 135 * gzip.) 136 */ 137 #ifndef MAX_WBITS 138 # define MAX_WBITS 15 /* 32K LZ77 window */ 139 #endif 140 141 /* The memory requirements for deflate are (in bytes): 142 (1 << (windowBits+2)) + (1 << (memLevel+9)) 143 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 144 plus a few kilobytes for small objects. For example, if you want to reduce 145 the default memory requirements from 256K to 128K, compile with 146 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 147 Of course this will generally degrade compression (there's no free lunch). 148 149 The memory requirements for inflate are (in bytes) 1 << windowBits 150 that is, 32K for windowBits=15 (default value) plus a few kilobytes 151 for small objects. 152 */ 153 154 /* Type declarations */ 155 156 #ifndef OF /* function prototypes */ 157 # ifdef STDC 158 # define OF(args) args 159 # else 160 # define OF(args) () 161 # endif 162 #endif 163 164 /* The following definitions for FAR are needed only for MSDOS mixed 165 * model programming (small or medium model with some far allocations). 166 * This was tested only with MSC; for other MSDOS compilers you may have 167 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 168 * just define FAR to be empty. 169 */ 170 #ifdef SYS16BIT 171 # if defined(M_I86SM) || defined(M_I86MM) 172 /* MSC small or medium model */ 173 # define SMALL_MEDIUM 174 # ifdef _MSC_VER 175 # define FAR _far 176 # else 177 # define FAR far 178 # endif 179 # endif 180 # if (defined(__SMALL__) || defined(__MEDIUM__)) 181 /* Turbo C small or medium model */ 182 # define SMALL_MEDIUM 183 # ifdef __BORLANDC__ 184 # define FAR _far 185 # else 186 # define FAR far 187 # endif 188 # endif 189 #endif 190 191 #if defined(WINDOWS) || defined(WIN32) 192 /* If building or using zlib as a DLL, define ZLIB_DLL. 193 * This is not mandatory, but it offers a little performance increase. 194 */ 195 # ifdef ZLIB_DLL 196 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 197 # ifdef ZLIB_INTERNAL 198 # define ZEXTERN extern __declspec(dllexport) 199 # else 200 # define ZEXTERN extern __declspec(dllimport) 201 # endif 202 # endif 203 # endif /* ZLIB_DLL */ 204 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 205 * define ZLIB_WINAPI. 206 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 207 */ 208 # ifdef ZLIB_WINAPI 209 # ifdef FAR 210 # undef FAR 211 # endif 212 # include <windows.h> 213 /* No need for _export, use ZLIB.DEF instead. */ 214 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 215 # define ZEXPORT WINAPI 216 # ifdef WIN32 217 # define ZEXPORTVA WINAPIV 218 # else 219 # define ZEXPORTVA FAR CDECL 220 # endif 221 # endif 222 #endif 223 224 #if defined (__BEOS__) 225 # ifdef ZLIB_DLL 226 # ifdef ZLIB_INTERNAL 227 # define ZEXPORT __declspec(dllexport) 228 # define ZEXPORTVA __declspec(dllexport) 229 # else 230 # define ZEXPORT __declspec(dllimport) 231 # define ZEXPORTVA __declspec(dllimport) 232 # endif 233 # endif 234 #endif 235 236 #ifndef ZEXTERN 237 # define ZEXTERN extern 238 #endif 239 #ifndef ZEXPORT 240 # define ZEXPORT 241 #endif 242 #ifndef ZEXPORTVA 243 # define ZEXPORTVA 244 #endif 245 246 #ifndef FAR 247 # define FAR 248 #endif 249 250 #if !defined(__MACTYPES__) 251 typedef unsigned char Byte; /* 8 bits */ 252 #endif 253 typedef unsigned int uInt; /* 16 bits or more */ 254 typedef unsigned long uLong; /* 32 bits or more */ 255 256 #ifdef SMALL_MEDIUM 257 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 258 # define Bytef Byte FAR 259 #else 260 typedef Byte FAR Bytef; 261 #endif 262 typedef char FAR charf; 263 typedef int FAR intf; 264 typedef uInt FAR uIntf; 265 typedef uLong FAR uLongf; 266 267 #ifdef STDC 268 typedef void const *voidpc; 269 typedef void FAR *voidpf; 270 typedef void *voidp; 271 #else 272 typedef Byte const *voidpc; 273 typedef Byte FAR *voidpf; 274 typedef Byte *voidp; 275 #endif 276 277 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 278 # include <sys/types.h> /* for off_t */ 279 # include <unistd.h> /* for SEEK_* and off_t */ 280 # ifdef VMS 281 # include <unixio.h> /* for off_t */ 282 # endif 283 # define z_off_t off_t 284 #endif 285 #ifndef SEEK_SET 286 # define SEEK_SET 0 /* Seek from beginning of file. */ 287 # define SEEK_CUR 1 /* Seek from current position. */ 288 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 289 #endif 290 #ifndef z_off_t 291 # define z_off_t long 292 #endif 293 294 #if defined(__OS400__) 295 #define NO_vsnprintf 296 #endif 297 298 #if defined(__MVS__) 299 # define NO_vsnprintf 300 # ifdef FAR 301 # undef FAR 302 # endif 303 #endif 304 305 /* MVS linker does not support external names larger than 8 bytes */ 306 #if defined(__MVS__) 307 # pragma map(deflateInit_,"DEIN") 308 # pragma map(deflateInit2_,"DEIN2") 309 # pragma map(deflateEnd,"DEEND") 310 # pragma map(deflateBound,"DEBND") 311 # pragma map(inflateInit_,"ININ") 312 # pragma map(inflateInit2_,"ININ2") 313 # pragma map(inflateEnd,"INEND") 314 # pragma map(inflateSync,"INSY") 315 # pragma map(inflateSetDictionary,"INSEDI") 316 # pragma map(compressBound,"CMBND") 317 # pragma map(inflate_table,"INTABL") 318 # pragma map(inflate_fast,"INFA") 319 # pragma map(inflate_copyright,"INCOPY") 320 #endif 321 322 #endif /* ZCONF_H */ 323