libkern/libkern/zconf.h

   1 /*
   2  * Copyright (c) 2008 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* zconf.h -- configuration of the zlib compression library
  29  * Copyright (C) 1995-2005 Jean-loup Gailly.
  30  * For conditions of distribution and use, see copyright notice in zlib.h
  31  */
  32
  33 /* @(#) $Id$ */
  34
  35 #ifndef ZCONF_H
  36 #define ZCONF_H
  37
  38 /*
  39  * If you *really* need a unique prefix for all types and library functions,
  40  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
  41  */
  42 #ifdef Z_PREFIX
  43 #  define deflateInit_          z_deflateInit_
  44 #  define deflate               z_deflate
  45 #  define deflateEnd            z_deflateEnd
  46 #  define inflateInit_          z_inflateInit_
  47 #  define inflate               z_inflate
  48 #  define inflateEnd            z_inflateEnd
  49 #  define deflateInit2_         z_deflateInit2_
  50 #  define deflateSetDictionary  z_deflateSetDictionary
  51 #  define deflateCopy           z_deflateCopy
  52 #  define deflateReset          z_deflateReset
  53 #  define deflateParams         z_deflateParams
  54 #  define deflateBound          z_deflateBound
  55 #  define deflatePrime          z_deflatePrime
  56 #  define inflateInit2_         z_inflateInit2_
  57 #  define inflateSetDictionary  z_inflateSetDictionary
  58 #  define inflateSync           z_inflateSync
  59 #  define inflateSyncPoint      z_inflateSyncPoint
  60 #  define inflateCopy           z_inflateCopy
  61 #  define inflateReset          z_inflateReset
  62 #  define inflateBack           z_inflateBack
  63 #  define inflateBackEnd        z_inflateBackEnd
  64 #  define compress              z_compress
  65 #  define compress2             z_compress2
  66 #  define compressBound         z_compressBound
  67 #  define uncompress            z_uncompress
  68 #  define adler32               z_adler32
  69 #  define crc32                 z_crc32
  70 #  define get_crc_table         z_get_crc_table
  71 #  define zError                z_zError
  72
  73 #  define alloc_func            z_alloc_func
  74 #  define free_func             z_free_func
  75 #  define in_func               z_in_func
  76 #  define out_func              z_out_func
  77 #  define Byte                  z_Byte
  78 #  define uInt                  z_uInt
  79 #  define uLong                 z_uLong
  80 #  define Bytef                 z_Bytef
  81 #  define charf                 z_charf
  82 #  define intf                  z_intf
  83 #  define uIntf                 z_uIntf
  84 #  define uLongf                z_uLongf
  85 #  define voidpf                z_voidpf
  86 #  define voidp                 z_voidp
  87 #endif
  88
  89 #if defined(__MSDOS__) && !defined(MSDOS)
  90 #  define MSDOS
  91 #endif
  92 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
  93 #  define OS2
  94 #endif
  95 #if defined(_WINDOWS) && !defined(WINDOWS)
  96 #  define WINDOWS
  97 #endif
  98 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
  99 #  ifndef WIN32
 100 #    define WIN32
 101 #  endif
 102 #endif
 103 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
 104 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
 105 #    ifndef SYS16BIT
 106 #      define SYS16BIT
 107 #    endif
 108 #  endif
 109 #endif
 110
 111 /*
 112  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
 113  * than 64k bytes at a time (needed on systems with 16-bit int).
 114  */
 115 #ifdef SYS16BIT
 116 #  define MAXSEG_64K
 117 #endif
 118 #ifdef MSDOS
 119 #  define UNALIGNED_OK
 120 #endif
 121
 122 #ifdef __STDC_VERSION__
 123 #  ifndef STDC
 124 #    define STDC
 125 #  endif
 126 #  if __STDC_VERSION__ >= 199901L
 127 #    ifndef STDC99
 128 #      define STDC99
 129 #    endif
 130 #  endif
 131 #endif
 132 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
 133 #  define STDC
 134 #endif
 135 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
 136 #  define STDC
 137 #endif
 138 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
 139 #  define STDC
 140 #endif
 141 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 142 #  define STDC
 143 #endif
 144
 145 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 146 #  define STDC
 147 #endif
 148
 149 #ifndef STDC
 150 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
 151 #    define const       /* note: need a more gentle solution here */
 152 #  endif
 153 #endif
 154
 155 /* Some Mac compilers merge all .h files incorrectly: */
 156 #if defined(__MWERKS__) || defined(applec) || defined(THINK_C) || defined(__SC__)
 157 #  define NO_DUMMY_DECL
 158 #endif
 159
 160 /* Maximum value for memLevel in deflateInit2 */
 161 #ifndef MAX_MEM_LEVEL
 162 #  ifdef MAXSEG_64K
 163 #    define MAX_MEM_LEVEL 8
 164 #  else
 165 #    define MAX_MEM_LEVEL 9
 166 #  endif
 167 #endif
 168
 169 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
 170  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 171  * created by gzip. (Files created by minigzip can still be extracted by
 172  * gzip.)
 173  */
 174 #ifndef MAX_WBITS
 175 #  define MAX_WBITS   15 /* 32K LZ77 window */
 176 #endif
 177
 178 /* The memory requirements for deflate are (in bytes):
 179  *           (1 << (windowBits+2)) +  (1 << (memLevel+9))
 180  *  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 181  *  plus a few kilobytes for small objects. For example, if you want to reduce
 182  *  the default memory requirements from 256K to 128K, compile with
 183  *    make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 184  *  Of course this will generally degrade compression (there's no free lunch).
 185  *
 186  *  The memory requirements for inflate are (in bytes) 1 << windowBits
 187  *  that is, 32K for windowBits=15 (default value) plus a few kilobytes
 188  *  for small objects.
 189  */
 190
 191 /* Type declarations */
 192
 193 #ifndef OF /* function prototypes */
 194 #  ifdef STDC
 195 #    define OF(args)  args
 196 #  else
 197 #    define OF(args)  ()
 198 #  endif
 199 #endif
 200
 201 /* The following definitions for FAR are needed only for MSDOS mixed
 202  * model programming (small or medium model with some far allocations).
 203  * This was tested only with MSC; for other MSDOS compilers you may have
 204  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 205  * just define FAR to be empty.
 206  */
 207 #ifdef SYS16BIT
 208 #  if defined(M_I86SM) || defined(M_I86MM)
 209 /* MSC small or medium model */
 210 #    define SMALL_MEDIUM
 211 #    ifdef _MSC_VER
 212 #      define FAR _far
 213 #    else
 214 #      define FAR far
 215 #    endif
 216 #  endif
 217 #  if (defined(__SMALL__) || defined(__MEDIUM__))
 218 /* Turbo C small or medium model */
 219 #    define SMALL_MEDIUM
 220 #    ifdef __BORLANDC__
 221 #      define FAR _far
 222 #    else
 223 #      define FAR far
 224 #    endif
 225 #  endif
 226 #endif
 227
 228 #if defined(WINDOWS) || defined(WIN32)
 229 /* If building or using zlib as a DLL, define ZLIB_DLL.
 230  * This is not mandatory, but it offers a little performance increase.
 231  */
 232 #  ifdef ZLIB_DLL
 233 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
 234 #      ifdef ZLIB_INTERNAL
 235 #        define ZEXTERN extern __declspec(dllexport)
 236 #      else
 237 #        define ZEXTERN extern __declspec(dllimport)
 238 #      endif
 239 #    endif
 240 #  endif  /* ZLIB_DLL */
 241 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
 242  * define ZLIB_WINAPI.
 243  * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
 244  */
 245 #  ifdef ZLIB_WINAPI
 246 #    ifdef FAR
 247 #      undef FAR
 248 #    endif
 249 #    include <windows.h>
 250 /* No need for _export, use ZLIB.DEF instead. */
 251 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
 252 #    define ZEXPORT WINAPI
 253 #    ifdef WIN32
 254 #      define ZEXPORTVA WINAPIV
 255 #    else
 256 #      define ZEXPORTVA FAR CDECL
 257 #    endif
 258 #  endif
 259 #endif
 260
 261 #if defined (__BEOS__)
 262 #  ifdef ZLIB_DLL
 263 #    ifdef ZLIB_INTERNAL
 264 #      define ZEXPORT   __declspec(dllexport)
 265 #      define ZEXPORTVA __declspec(dllexport)
 266 #    else
 267 #      define ZEXPORT   __declspec(dllimport)
 268 #      define ZEXPORTVA __declspec(dllimport)
 269 #    endif
 270 #  endif
 271 #endif
 272
 273 #ifndef ZEXTERN
 274 #  define ZEXTERN extern
 275 #endif
 276 #ifndef ZEXPORT
 277 #  define ZEXPORT
 278 #endif
 279 #ifndef ZEXPORTVA
 280 #  define ZEXPORTVA
 281 #endif
 282
 283 #ifndef FAR
 284 #  define FAR
 285 #endif
 286
 287 #if !defined(__MACTYPES__)
 288 typedef unsigned char  Byte;  /* 8 bits */
 289 #endif
 290 typedef unsigned int   uInt;  /* 16 bits or more */
 291 typedef unsigned long  uLong; /* 32 bits or more */
 292
 293 #ifdef SMALL_MEDIUM
 294 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
 295 #  define Bytef Byte FAR
 296 #else
 297 typedef Byte  FAR Bytef;
 298 #endif
 299 typedef char  FAR charf;
 300 typedef int   FAR intf;
 301 typedef uInt  FAR uIntf;
 302 typedef uLong FAR uLongf;
 303
 304 #ifdef STDC
 305 typedef void const *voidpc;
 306 typedef void FAR   *voidpf;
 307 typedef void       *voidp;
 308 #else
 309 typedef Byte const *voidpc;
 310 typedef Byte FAR   *voidpf;
 311 typedef Byte       *voidp;
 312 #endif
 313
 314 #if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
 315 #  include <sys/types.h> /* for off_t */
 316 #  include <unistd.h>    /* for SEEK_* and off_t */
 317 #  ifdef VMS
 318 #    include <unixio.h>   /* for off_t */
 319 #  endif
 320 #  define z_off_t off_t
 321 #endif
 322 #ifndef SEEK_SET
 323 #  define SEEK_SET        0       /* Seek from beginning of file.  */
 324 #  define SEEK_CUR        1       /* Seek from current position.  */
 325 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
 326 #endif
 327 #ifndef z_off_t
 328 #  define z_off_t long
 329 #endif
 330
 331 #if defined(__OS400__)
 332 #  define NO_vsnprintf
 333 #endif
 334
 335 #if defined(__MVS__)
 336 #  define NO_vsnprintf
 337 #  ifdef FAR
 338 #    undef FAR
 339 #  endif
 340 #endif
 341
 342 /* MVS linker does not support external names larger than 8 bytes */
 343 #if defined(__MVS__)
 344 #   pragma map(deflateInit_,"DEIN")
 345 #   pragma map(deflateInit2_,"DEIN2")
 346 #   pragma map(deflateEnd,"DEEND")
 347 #   pragma map(deflateBound,"DEBND")
 348 #   pragma map(inflateInit_,"ININ")
 349 #   pragma map(inflateInit2_,"ININ2")
 350 #   pragma map(inflateEnd,"INEND")
 351 #   pragma map(inflateSync,"INSY")
 352 #   pragma map(inflateSetDictionary,"INSEDI")
 353 #   pragma map(compressBound,"CMBND")
 354 #   pragma map(inflate_table,"INTABL")
 355 #   pragma map(inflate_fast,"INFA")
 356 #   pragma map(inflate_copyright,"INCOPY")
 357 #endif
 358
 359 #endif /* ZCONF_H */