zlib/zconf.h

   1 /* zconf.h -- configuration of the zlib compression library
   2  * Copyright (C) 1995-2012 Jean-loup Gailly.
   3  * For conditions of distribution and use, see copyright notice in zlib.h
   4  */
   5
   6 /* @(#) $Id: zconf.h,v 1.1.1.2 2002/03/11 21:53:27 tromey 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  * Even better than compiling with -DZ_PREFIX would be to use configure to set
  15  * this permanently in zconf.h using "./configure --zprefix".
  16  */
  17 #ifdef Z_PREFIX     /* may be set to #if 1 by ./configure */
  18 #  define Z_PREFIX_SET
  19
  20 /* all linked symbols */
  21 #  define _dist_code            z__dist_code
  22 #  define _length_code          z__length_code
  23 #  define _tr_align             z__tr_align
  24 #  define _tr_flush_block       z__tr_flush_block
  25 #  define _tr_init              z__tr_init
  26 #  define _tr_stored_block      z__tr_stored_block
  27 #  define _tr_tally             z__tr_tally
  28 #  define adler32               z_adler32
  29 #  define adler32_combine       z_adler32_combine
  30 #  define adler32_combine64     z_adler32_combine64
  31 #  ifndef Z_SOLO
  32 #    define compress              z_compress
  33 #    define compress2             z_compress2
  34 #    define compressBound         z_compressBound
  35 #  endif
  36 #  define crc32                 z_crc32
  37 #  define crc32_combine         z_crc32_combine
  38 #  define crc32_combine64       z_crc32_combine64
  39 #  define deflate               z_deflate
  40 #  define deflateBound          z_deflateBound
  41 #  define deflateCopy           z_deflateCopy
  42 #  define deflateEnd            z_deflateEnd
  43 #  define deflateInit2_         z_deflateInit2_
  44 #  define deflateInit_          z_deflateInit_
  45 #  define deflateParams         z_deflateParams
  46 #  define deflatePending        z_deflatePending
  47 #  define deflatePrime          z_deflatePrime
  48 #  define deflateReset          z_deflateReset
  49 #  define deflateResetKeep      z_deflateResetKeep
  50 #  define deflateSetDictionary  z_deflateSetDictionary
  51 #  define deflateSetHeader      z_deflateSetHeader
  52 #  define deflateTune           z_deflateTune
  53 #  define deflate_copyright     z_deflate_copyright
  54 #  define get_crc_table         z_get_crc_table
  55 #  ifndef Z_SOLO
  56 #    define gz_error              z_gz_error
  57 #    define gz_intmax             z_gz_intmax
  58 #    define gz_strwinerror        z_gz_strwinerror
  59 #    define gzbuffer              z_gzbuffer
  60 #    define gzclearerr            z_gzclearerr
  61 #    define gzclose               z_gzclose
  62 #    define gzclose_r             z_gzclose_r
  63 #    define gzclose_w             z_gzclose_w
  64 #    define gzdirect              z_gzdirect
  65 #    define gzdopen               z_gzdopen
  66 #    define gzeof                 z_gzeof
  67 #    define gzerror               z_gzerror
  68 #    define gzflush               z_gzflush
  69 #    define gzgetc                z_gzgetc
  70 #    define gzgetc_               z_gzgetc_
  71 #    define gzgets                z_gzgets
  72 #    define gzoffset              z_gzoffset
  73 #    define gzoffset64            z_gzoffset64
  74 #    define gzopen                z_gzopen
  75 #    define gzopen64              z_gzopen64
  76 #    ifdef _WIN32
  77 #      define gzopen_w              z_gzopen_w
  78 #    endif
  79 #    define gzprintf              z_gzprintf
  80 #    define gzputc                z_gzputc
  81 #    define gzputs                z_gzputs
  82 #    define gzread                z_gzread
  83 #    define gzrewind              z_gzrewind
  84 #    define gzseek                z_gzseek
  85 #    define gzseek64              z_gzseek64
  86 #    define gzsetparams           z_gzsetparams
  87 #    define gztell                z_gztell
  88 #    define gztell64              z_gztell64
  89 #    define gzungetc              z_gzungetc
  90 #    define gzwrite               z_gzwrite
  91 #  endif
  92 #  define inflate               z_inflate
  93 #  define inflateBack           z_inflateBack
  94 #  define inflateBackEnd        z_inflateBackEnd
  95 #  define inflateBackInit_      z_inflateBackInit_
  96 #  define inflateCopy           z_inflateCopy
  97 #  define inflateEnd            z_inflateEnd
  98 #  define inflateGetHeader      z_inflateGetHeader
  99 #  define inflateInit2_         z_inflateInit2_
 100 #  define inflateInit_          z_inflateInit_
 101 #  define inflateMark           z_inflateMark
 102 #  define inflatePrime          z_inflatePrime
 103 #  define inflateReset          z_inflateReset
 104 #  define inflateReset2         z_inflateReset2
 105 #  define inflateSetDictionary  z_inflateSetDictionary
 106 #  define inflateSync           z_inflateSync
 107 #  define inflateSyncPoint      z_inflateSyncPoint
 108 #  define inflateUndermine      z_inflateUndermine
 109 #  define inflateResetKeep      z_inflateResetKeep
 110 #  define inflate_copyright     z_inflate_copyright
 111 #  define inflate_fast          z_inflate_fast
 112 #  define inflate_table         z_inflate_table
 113 #  ifndef Z_SOLO
 114 #    define uncompress            z_uncompress
 115 #  endif
 116 #  define zError                z_zError
 117 #  ifndef Z_SOLO
 118 #    define zcalloc               z_zcalloc
 119 #    define zcfree                z_zcfree
 120 #  endif
 121 #  define zlibCompileFlags      z_zlibCompileFlags
 122 #  define zlibVersion           z_zlibVersion
 123
 124 /* all zlib typedefs in zlib.h and zconf.h */
 125 #  define Byte                  z_Byte
 126 #  define Bytef                 z_Bytef
 127 #  define alloc_func            z_alloc_func
 128 #  define charf                 z_charf
 129 #  define free_func             z_free_func
 130 #  ifndef Z_SOLO
 131 #    define gzFile                z_gzFile
 132 #  endif
 133 #  define gz_header             z_gz_header
 134 #  define gz_headerp            z_gz_headerp
 135 #  define in_func               z_in_func
 136 #  define intf                  z_intf
 137 #  define out_func              z_out_func
 138 #  define uInt                  z_uInt
 139 #  define uIntf                 z_uIntf
 140 #  define uLong                 z_uLong
 141 #  define uLongf                z_uLongf
 142 #  define voidp                 z_voidp
 143 #  define voidpc                z_voidpc
 144 #  define voidpf                z_voidpf
 145
 146 /* all zlib structs in zlib.h and zconf.h */
 147 #  define gz_header_s           z_gz_header_s
 148 #  define internal_state        z_internal_state
 149
 150 #endif
 151
 152 #if defined(__MSDOS__) && !defined(MSDOS)
 153 #  define MSDOS
 154 #endif
 155 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
 156 #  define OS2
 157 #endif
 158 #if defined(_WINDOWS) && !defined(WINDOWS)
 159 #  define WINDOWS
 160 #endif
 161 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
 162 #  ifndef WIN32
 163 #    define WIN32
 164 #  endif
 165 #endif
 166 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
 167 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
 168 #    ifndef SYS16BIT
 169 #      define SYS16BIT
 170 #    endif
 171 #  endif
 172 #endif
 173
 174 /*
 175  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
 176  * than 64k bytes at a time (needed on systems with 16-bit int).
 177  */
 178 #ifdef SYS16BIT
 179 #  define MAXSEG_64K
 180 #endif
 181 #ifdef MSDOS
 182 #  define UNALIGNED_OK
 183 #endif
 184
 185 #ifdef __STDC_VERSION__
 186 #  ifndef STDC
 187 #    define STDC
 188 #  endif
 189 #  if __STDC_VERSION__ >= 199901L
 190 #    ifndef STDC99
 191 #      define STDC99
 192 #    endif
 193 #  endif
 194 #endif
 195 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
 196 #  define STDC
 197 #endif
 198 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
 199 #  define STDC
 200 #endif
 201 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
 202 #  define STDC
 203 #endif
 204 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 205 #  define STDC
 206 #endif
 207
 208 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 209 #  define STDC
 210 #endif
 211
 212 #ifndef STDC
 213 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
 214 #    define const       /* note: need a more gentle solution here */
 215 #  endif
 216 #endif
 217
 218 #if defined(ZLIB_CONST) && !defined(z_const)
 219 #  define z_const const
 220 #else
 221 #  define z_const
 222 #endif
 223
 224 /* Some Mac compilers merge all .h files incorrectly: */
 225 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
 226 #  define NO_DUMMY_DECL
 227 #endif
 228
 229 /* Maximum value for memLevel in deflateInit2 */
 230 #ifndef MAX_MEM_LEVEL
 231 #  ifdef MAXSEG_64K
 232 #    define MAX_MEM_LEVEL 8
 233 #  else
 234 #    define MAX_MEM_LEVEL 9
 235 #  endif
 236 #endif
 237
 238 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
 239  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 240  * created by gzip. (Files created by minigzip can still be extracted by
 241  * gzip.)
 242  */
 243 #ifndef MAX_WBITS
 244 #  define MAX_WBITS   15 /* 32K LZ77 window */
 245 #endif
 246
 247 /* The memory requirements for deflate are (in bytes):
 248             (1 << (windowBits+2)) +  (1 << (memLevel+9))
 249  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 250  plus a few kilobytes for small objects. For example, if you want to reduce
 251  the default memory requirements from 256K to 128K, compile with
 252      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 253  Of course this will generally degrade compression (there's no free lunch).
 254
 255    The memory requirements for inflate are (in bytes) 1 << windowBits
 256  that is, 32K for windowBits=15 (default value) plus a few kilobytes
 257  for small objects.
 258 */
 259
 260                         /* Type declarations */
 261
 262 #ifndef OF /* function prototypes */
 263 #  ifdef STDC
 264 #    define OF(args)  args
 265 #  else
 266 #    define OF(args)  ()
 267 #  endif
 268 #endif
 269
 270 #ifndef Z_ARG /* function prototypes for stdarg */
 271 #  if defined(STDC) || defined(Z_HAVE_STDARG_H)
 272 #    define Z_ARG(args)  args
 273 #  else
 274 #    define Z_ARG(args)  ()
 275 #  endif
 276 #endif
 277
 278 /* The following definitions for FAR are needed only for MSDOS mixed
 279  * model programming (small or medium model with some far allocations).
 280  * This was tested only with MSC; for other MSDOS compilers you may have
 281  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 282  * just define FAR to be empty.
 283  */
 284 #ifdef SYS16BIT
 285 #  if defined(M_I86SM) || defined(M_I86MM)
 286      /* MSC small or medium model */
 287 #    define SMALL_MEDIUM
 288 #    ifdef _MSC_VER
 289 #      define FAR _far
 290 #    else
 291 #      define FAR far
 292 #    endif
 293 #  endif
 294 #  if (defined(__SMALL__) || defined(__MEDIUM__))
 295      /* Turbo C small or medium model */
 296 #    define SMALL_MEDIUM
 297 #    ifdef __BORLANDC__
 298 #      define FAR _far
 299 #    else
 300 #      define FAR far
 301 #    endif
 302 #  endif
 303 #endif
 304
 305 #if defined(WINDOWS) || defined(WIN32)
 306    /* If building or using zlib as a DLL, define ZLIB_DLL.
 307     * This is not mandatory, but it offers a little performance increase.
 308     */
 309 #  ifdef ZLIB_DLL
 310 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
 311 #      ifdef ZLIB_INTERNAL
 312 #        define ZEXTERN extern __declspec(dllexport)
 313 #      else
 314 #        define ZEXTERN extern __declspec(dllimport)
 315 #      endif
 316 #    endif
 317 #  endif  /* ZLIB_DLL */
 318    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
 319     * define ZLIB_WINAPI.
 320     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
 321     */
 322 #  ifdef ZLIB_WINAPI
 323 #    ifdef FAR
 324 #      undef FAR
 325 #    endif
 326 #    include <windows.h>
 327      /* No need for _export, use ZLIB.DEF instead. */
 328      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
 329 #    define ZEXPORT WINAPI
 330 #    ifdef WIN32
 331 #      define ZEXPORTVA WINAPIV
 332 #    else
 333 #      define ZEXPORTVA FAR CDECL
 334 #    endif
 335 #  endif
 336 #endif
 337
 338 #if defined (__BEOS__)
 339 #  ifdef ZLIB_DLL
 340 #    ifdef ZLIB_INTERNAL
 341 #      define ZEXPORT   __declspec(dllexport)
 342 #      define ZEXPORTVA __declspec(dllexport)
 343 #    else
 344 #      define ZEXPORT   __declspec(dllimport)
 345 #      define ZEXPORTVA __declspec(dllimport)
 346 #    endif
 347 #  endif
 348 #endif
 349
 350 #ifndef ZEXTERN
 351 #  define ZEXTERN extern
 352 #endif
 353 #ifndef ZEXPORT
 354 #  define ZEXPORT
 355 #endif
 356 #ifndef ZEXPORTVA
 357 #  define ZEXPORTVA
 358 #endif
 359
 360 #ifndef FAR
 361 #  define FAR
 362 #endif
 363
 364 #if !defined(__MACTYPES__)
 365 typedef unsigned char  Byte;  /* 8 bits */
 366 #endif
 367 typedef unsigned int   uInt;  /* 16 bits or more */
 368 typedef unsigned long  uLong; /* 32 bits or more */
 369
 370 #ifdef SMALL_MEDIUM
 371    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
 372 #  define Bytef Byte FAR
 373 #else
 374    typedef Byte  FAR Bytef;
 375 #endif
 376 typedef char  FAR charf;
 377 typedef int   FAR intf;
 378 typedef uInt  FAR uIntf;
 379 typedef uLong FAR uLongf;
 380
 381 #ifdef STDC
 382    typedef void const *voidpc;
 383    typedef void FAR   *voidpf;
 384    typedef void       *voidp;
 385 #else
 386    typedef Byte const *voidpc;
 387    typedef Byte FAR   *voidpf;
 388    typedef Byte       *voidp;
 389 #endif
 390
 391 /* ./configure may #define Z_U4 here */
 392
 393 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
 394 #  include <limits.h>
 395 #  if (UINT_MAX == 0xffffffffUL)
 396 #    define Z_U4 unsigned
 397 #  else
 398 #    if (ULONG_MAX == 0xffffffffUL)
 399 #      define Z_U4 unsigned long
 400 #    else
 401 #      if (USHRT_MAX == 0xffffffffUL)
 402 #        define Z_U4 unsigned short
 403 #      endif
 404 #    endif
 405 #  endif
 406 #endif
 407
 408 #ifdef Z_U4
 409    typedef Z_U4 z_crc_t;
 410 #else
 411    typedef unsigned long z_crc_t;
 412 #endif
 413
 414 #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
 415 #  define Z_HAVE_UNISTD_H
 416 #endif
 417
 418 #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
 419 #  define Z_HAVE_STDARG_H
 420 #endif
 421
 422 #ifdef STDC
 423 #  ifndef Z_SOLO
 424 #    include <sys/types.h>      /* for off_t */
 425 #  endif
 426 #endif
 427
 428 #ifdef _WIN32
 429 #  include <stddef.h>           /* for wchar_t */
 430 #endif
 431
 432 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
 433  * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
 434  * though the former does not conform to the LFS document), but considering
 435  * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
 436  * equivalently requesting no 64-bit operations
 437  */
 438 #if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
 439 #  undef _LARGEFILE64_SOURCE
 440 #endif
 441
 442 #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
 443 #  define Z_HAVE_UNISTD_H
 444 #endif
 445 #ifndef Z_SOLO
 446 #  if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE)
 447 #    include <unistd.h>         /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
 448 #    ifdef VMS
 449 #      include <unixio.h>       /* for off_t */
 450 #    endif
 451 #    ifndef z_off_t
 452 #      define z_off_t off_t
 453 #    endif
 454 #  endif
 455 #endif
 456
 457 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
 458 #  define Z_LFS64
 459 #endif
 460
 461 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
 462 #  define Z_LARGE64
 463 #endif
 464
 465 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
 466 #  define Z_WANT64
 467 #endif
 468
 469 #if !defined(SEEK_SET) && !defined(Z_SOLO)
 470 #  define SEEK_SET        0       /* Seek from beginning of file.  */
 471 #  define SEEK_CUR        1       /* Seek from current position.  */
 472 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
 473 #endif
 474
 475 #ifndef z_off_t
 476 #  define z_off_t long
 477 #endif
 478
 479 #if !defined(_WIN32) && defined(Z_LARGE64)
 480 #  define z_off64_t off64_t
 481 #else
 482 #  if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
 483 #    define z_off64_t __int64
 484 #  else
 485 #    define z_off64_t z_off_t
 486 #  endif
 487 #endif
 488
 489 /* MVS linker does not support external names larger than 8 bytes */
 490 #if defined(__MVS__)
 491   #pragma map(deflateInit_,"DEIN")
 492   #pragma map(deflateInit2_,"DEIN2")
 493   #pragma map(deflateEnd,"DEEND")
 494   #pragma map(deflateBound,"DEBND")
 495   #pragma map(inflateInit_,"ININ")
 496   #pragma map(inflateInit2_,"ININ2")
 497   #pragma map(inflateEnd,"INEND")
 498   #pragma map(inflateSync,"INSY")
 499   #pragma map(inflateSetDictionary,"INSEDI")
 500   #pragma map(compressBound,"CMBND")
 501   #pragma map(inflate_table,"INTABL")
 502   #pragma map(inflate_fast,"INFA")
 503   #pragma map(inflate_copyright,"INCOPY")
 504 #endif
 505
 506 /* Solaris 2.5.1 doesn't have vsnprintf */
 507 #if defined(__sun) && defined(__svr4__)
 508 #include <sys/feature_tests.h>
 509 #if _XOPEN_VERSION < 3
 510 #define NO_vsnprintf
 511 #endif
 512 #endif
 513
 514 /* Tru64 UNIX V4.0 neither */
 515 #if defined(__alpha) && defined(__osf__)
 516 #include <unistd.h>
 517 #if _XOPEN_VERSION < 500
 518 #define NO_vsnprintf
 519 #endif
 520 #endif
 521
 522 #endif /* ZCONF_H */