zlib/zconf.h

   1 /* zconf.h -- configuration of the zlib compression library
   2  * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler
   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 and init macros */
  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_bits        z__tr_flush_bits
  25 #  define _tr_flush_block       z__tr_flush_block
  26 #  define _tr_init              z__tr_init
  27 #  define _tr_stored_block      z__tr_stored_block
  28 #  define _tr_tally             z__tr_tally
  29 #  define adler32               z_adler32
  30 #  define adler32_combine       z_adler32_combine
  31 #  define adler32_combine64     z_adler32_combine64
  32 #  define adler32_z             z_adler32_z
  33 #  ifndef Z_SOLO
  34 #    define compress              z_compress
  35 #    define compress2             z_compress2
  36 #    define compressBound         z_compressBound
  37 #  endif
  38 #  define crc32                 z_crc32
  39 #  define crc32_combine         z_crc32_combine
  40 #  define crc32_combine64       z_crc32_combine64
  41 #  define crc32_z               z_crc32_z
  42 #  define deflate               z_deflate
  43 #  define deflateBound          z_deflateBound
  44 #  define deflateCopy           z_deflateCopy
  45 #  define deflateEnd            z_deflateEnd
  46 #  define deflateGetDictionary  z_deflateGetDictionary
  47 #  define deflateInit           z_deflateInit
  48 #  define deflateInit2          z_deflateInit2
  49 #  define deflateInit2_         z_deflateInit2_
  50 #  define deflateInit_          z_deflateInit_
  51 #  define deflateParams         z_deflateParams
  52 #  define deflatePending        z_deflatePending
  53 #  define deflatePrime          z_deflatePrime
  54 #  define deflateReset          z_deflateReset
  55 #  define deflateResetKeep      z_deflateResetKeep
  56 #  define deflateSetDictionary  z_deflateSetDictionary
  57 #  define deflateSetHeader      z_deflateSetHeader
  58 #  define deflateTune           z_deflateTune
  59 #  define deflate_copyright     z_deflate_copyright
  60 #  define get_crc_table         z_get_crc_table
  61 #  ifndef Z_SOLO
  62 #    define gz_error              z_gz_error
  63 #    define gz_intmax             z_gz_intmax
  64 #    define gz_strwinerror        z_gz_strwinerror
  65 #    define gzbuffer              z_gzbuffer
  66 #    define gzclearerr            z_gzclearerr
  67 #    define gzclose               z_gzclose
  68 #    define gzclose_r             z_gzclose_r
  69 #    define gzclose_w             z_gzclose_w
  70 #    define gzdirect              z_gzdirect
  71 #    define gzdopen               z_gzdopen
  72 #    define gzeof                 z_gzeof
  73 #    define gzerror               z_gzerror
  74 #    define gzflush               z_gzflush
  75 #    define gzfread               z_gzfread
  76 #    define gzfwrite              z_gzfwrite
  77 #    define gzgetc                z_gzgetc
  78 #    define gzgetc_               z_gzgetc_
  79 #    define gzgets                z_gzgets
  80 #    define gzoffset              z_gzoffset
  81 #    define gzoffset64            z_gzoffset64
  82 #    define gzopen                z_gzopen
  83 #    define gzopen64              z_gzopen64
  84 #    ifdef _WIN32
  85 #      define gzopen_w              z_gzopen_w
  86 #    endif
  87 #    define gzprintf              z_gzprintf
  88 #    define gzputc                z_gzputc
  89 #    define gzputs                z_gzputs
  90 #    define gzread                z_gzread
  91 #    define gzrewind              z_gzrewind
  92 #    define gzseek                z_gzseek
  93 #    define gzseek64              z_gzseek64
  94 #    define gzsetparams           z_gzsetparams
  95 #    define gztell                z_gztell
  96 #    define gztell64              z_gztell64
  97 #    define gzungetc              z_gzungetc
  98 #    define gzvprintf             z_gzvprintf
  99 #    define gzwrite               z_gzwrite
 100 #  endif
 101 #  define inflate               z_inflate
 102 #  define inflateBack           z_inflateBack
 103 #  define inflateBackEnd        z_inflateBackEnd
 104 #  define inflateBackInit       z_inflateBackInit
 105 #  define inflateBackInit_      z_inflateBackInit_
 106 #  define inflateCodesUsed      z_inflateCodesUsed
 107 #  define inflateCopy           z_inflateCopy
 108 #  define inflateEnd            z_inflateEnd
 109 #  define inflateGetDictionary  z_inflateGetDictionary
 110 #  define inflateGetHeader      z_inflateGetHeader
 111 #  define inflateInit           z_inflateInit
 112 #  define inflateInit2          z_inflateInit2
 113 #  define inflateInit2_         z_inflateInit2_
 114 #  define inflateInit_          z_inflateInit_
 115 #  define inflateMark           z_inflateMark
 116 #  define inflatePrime          z_inflatePrime
 117 #  define inflateReset          z_inflateReset
 118 #  define inflateReset2         z_inflateReset2
 119 #  define inflateResetKeep      z_inflateResetKeep
 120 #  define inflateSetDictionary  z_inflateSetDictionary
 121 #  define inflateSync           z_inflateSync
 122 #  define inflateSyncPoint      z_inflateSyncPoint
 123 #  define inflateUndermine      z_inflateUndermine
 124 #  define inflateValidate       z_inflateValidate
 125 #  define inflate_copyright     z_inflate_copyright
 126 #  define inflate_fast          z_inflate_fast
 127 #  define inflate_table         z_inflate_table
 128 #  ifndef Z_SOLO
 129 #    define uncompress            z_uncompress
 130 #    define uncompress2           z_uncompress2
 131 #  endif
 132 #  define zError                z_zError
 133 #  ifndef Z_SOLO
 134 #    define zcalloc               z_zcalloc
 135 #    define zcfree                z_zcfree
 136 #  endif
 137 #  define zlibCompileFlags      z_zlibCompileFlags
 138 #  define zlibVersion           z_zlibVersion
 139
 140 /* all zlib typedefs in zlib.h and zconf.h */
 141 #  define Byte                  z_Byte
 142 #  define Bytef                 z_Bytef
 143 #  define alloc_func            z_alloc_func
 144 #  define charf                 z_charf
 145 #  define free_func             z_free_func
 146 #  ifndef Z_SOLO
 147 #    define gzFile                z_gzFile
 148 #  endif
 149 #  define gz_header             z_gz_header
 150 #  define gz_headerp            z_gz_headerp
 151 #  define in_func               z_in_func
 152 #  define intf                  z_intf
 153 #  define out_func              z_out_func
 154 #  define uInt                  z_uInt
 155 #  define uIntf                 z_uIntf
 156 #  define uLong                 z_uLong
 157 #  define uLongf                z_uLongf
 158 #  define voidp                 z_voidp
 159 #  define voidpc                z_voidpc
 160 #  define voidpf                z_voidpf
 161
 162 /* all zlib structs in zlib.h and zconf.h */
 163 #  define gz_header_s           z_gz_header_s
 164 #  define internal_state        z_internal_state
 165
 166 #endif
 167
 168 #if defined(__MSDOS__) && !defined(MSDOS)
 169 #  define MSDOS
 170 #endif
 171 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
 172 #  define OS2
 173 #endif
 174 #if defined(_WINDOWS) && !defined(WINDOWS)
 175 #  define WINDOWS
 176 #endif
 177 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
 178 #  ifndef WIN32
 179 #    define WIN32
 180 #  endif
 181 #endif
 182 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
 183 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
 184 #    ifndef SYS16BIT
 185 #      define SYS16BIT
 186 #    endif
 187 #  endif
 188 #endif
 189
 190 /*
 191  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
 192  * than 64k bytes at a time (needed on systems with 16-bit int).
 193  */
 194 #ifdef SYS16BIT
 195 #  define MAXSEG_64K
 196 #endif
 197 #ifdef MSDOS
 198 #  define UNALIGNED_OK
 199 #endif
 200
 201 #ifdef __STDC_VERSION__
 202 #  ifndef STDC
 203 #    define STDC
 204 #  endif
 205 #  if __STDC_VERSION__ >= 199901L
 206 #    ifndef STDC99
 207 #      define STDC99
 208 #    endif
 209 #  endif
 210 #endif
 211 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
 212 #  define STDC
 213 #endif
 214 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
 215 #  define STDC
 216 #endif
 217 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
 218 #  define STDC
 219 #endif
 220 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 221 #  define STDC
 222 #endif
 223
 224 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 225 #  define STDC
 226 #endif
 227
 228 #ifndef STDC
 229 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
 230 #    define const       /* note: need a more gentle solution here */
 231 #  endif
 232 #endif
 233
 234 #if defined(ZLIB_CONST) && !defined(z_const)
 235 #  define z_const const
 236 #else
 237 #  define z_const
 238 #endif
 239
 240 #ifdef Z_SOLO
 241    typedef unsigned long z_size_t;
 242 #else
 243 #  define z_longlong long long
 244 #  if defined(NO_SIZE_T)
 245      typedef unsigned NO_SIZE_T z_size_t;
 246 #  elif defined(STDC)
 247 #    include <stddef.h>
 248      typedef size_t z_size_t;
 249 #  else
 250      typedef unsigned long z_size_t;
 251 #  endif
 252 #  undef z_longlong
 253 #endif
 254
 255 /* Maximum value for memLevel in deflateInit2 */
 256 #ifndef MAX_MEM_LEVEL
 257 #  ifdef MAXSEG_64K
 258 #    define MAX_MEM_LEVEL 8
 259 #  else
 260 #    define MAX_MEM_LEVEL 9
 261 #  endif
 262 #endif
 263
 264 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
 265  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 266  * created by gzip. (Files created by minigzip can still be extracted by
 267  * gzip.)
 268  */
 269 #ifndef MAX_WBITS
 270 #  define MAX_WBITS   15 /* 32K LZ77 window */
 271 #endif
 272
 273 /* The memory requirements for deflate are (in bytes):
 274             (1 << (windowBits+2)) +  (1 << (memLevel+9))
 275  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 276  plus a few kilobytes for small objects. For example, if you want to reduce
 277  the default memory requirements from 256K to 128K, compile with
 278      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 279  Of course this will generally degrade compression (there's no free lunch).
 280
 281    The memory requirements for inflate are (in bytes) 1 << windowBits
 282  that is, 32K for windowBits=15 (default value) plus about 7 kilobytes
 283  for small objects.
 284 */
 285
 286                         /* Type declarations */
 287
 288 #ifndef OF /* function prototypes */
 289 #  ifdef STDC
 290 #    define OF(args)  args
 291 #  else
 292 #    define OF(args)  ()
 293 #  endif
 294 #endif
 295
 296 #ifndef Z_ARG /* function prototypes for stdarg */
 297 #  if defined(STDC) || defined(Z_HAVE_STDARG_H)
 298 #    define Z_ARG(args)  args
 299 #  else
 300 #    define Z_ARG(args)  ()
 301 #  endif
 302 #endif
 303
 304 /* The following definitions for FAR are needed only for MSDOS mixed
 305  * model programming (small or medium model with some far allocations).
 306  * This was tested only with MSC; for other MSDOS compilers you may have
 307  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 308  * just define FAR to be empty.
 309  */
 310 #ifdef SYS16BIT
 311 #  if defined(M_I86SM) || defined(M_I86MM)
 312      /* MSC small or medium model */
 313 #    define SMALL_MEDIUM
 314 #    ifdef _MSC_VER
 315 #      define FAR _far
 316 #    else
 317 #      define FAR far
 318 #    endif
 319 #  endif
 320 #  if (defined(__SMALL__) || defined(__MEDIUM__))
 321      /* Turbo C small or medium model */
 322 #    define SMALL_MEDIUM
 323 #    ifdef __BORLANDC__
 324 #      define FAR _far
 325 #    else
 326 #      define FAR far
 327 #    endif
 328 #  endif
 329 #endif
 330
 331 #if defined(WINDOWS) || defined(WIN32)
 332    /* If building or using zlib as a DLL, define ZLIB_DLL.
 333     * This is not mandatory, but it offers a little performance increase.
 334     */
 335 #  ifdef ZLIB_DLL
 336 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
 337 #      ifdef ZLIB_INTERNAL
 338 #        define ZEXTERN extern __declspec(dllexport)
 339 #      else
 340 #        define ZEXTERN extern __declspec(dllimport)
 341 #      endif
 342 #    endif
 343 #  endif  /* ZLIB_DLL */
 344    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
 345     * define ZLIB_WINAPI.
 346     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
 347     */
 348 #  ifdef ZLIB_WINAPI
 349 #    ifdef FAR
 350 #      undef FAR
 351 #    endif
 352 #    include <windows.h>
 353      /* No need for _export, use ZLIB.DEF instead. */
 354      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
 355 #    define ZEXPORT WINAPI
 356 #    ifdef WIN32
 357 #      define ZEXPORTVA WINAPIV
 358 #    else
 359 #      define ZEXPORTVA FAR CDECL
 360 #    endif
 361 #  endif
 362 #endif
 363
 364 #if defined (__BEOS__)
 365 #  ifdef ZLIB_DLL
 366 #    ifdef ZLIB_INTERNAL
 367 #      define ZEXPORT   __declspec(dllexport)
 368 #      define ZEXPORTVA __declspec(dllexport)
 369 #    else
 370 #      define ZEXPORT   __declspec(dllimport)
 371 #      define ZEXPORTVA __declspec(dllimport)
 372 #    endif
 373 #  endif
 374 #endif
 375
 376 #ifndef ZEXTERN
 377 #  define ZEXTERN extern
 378 #endif
 379 #ifndef ZEXPORT
 380 #  define ZEXPORT
 381 #endif
 382 #ifndef ZEXPORTVA
 383 #  define ZEXPORTVA
 384 #endif
 385
 386 #ifndef FAR
 387 #  define FAR
 388 #endif
 389
 390 #if !defined(__MACTYPES__)
 391 typedef unsigned char  Byte;  /* 8 bits */
 392 #endif
 393 typedef unsigned int   uInt;  /* 16 bits or more */
 394 typedef unsigned long  uLong; /* 32 bits or more */
 395
 396 #ifdef SMALL_MEDIUM
 397    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
 398 #  define Bytef Byte FAR
 399 #else
 400    typedef Byte  FAR Bytef;
 401 #endif
 402 typedef char  FAR charf;
 403 typedef int   FAR intf;
 404 typedef uInt  FAR uIntf;
 405 typedef uLong FAR uLongf;
 406
 407 #ifdef STDC
 408    typedef void const *voidpc;
 409    typedef void FAR   *voidpf;
 410    typedef void       *voidp;
 411 #else
 412    typedef Byte const *voidpc;
 413    typedef Byte FAR   *voidpf;
 414    typedef Byte       *voidp;
 415 #endif
 416
 417 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
 418 #  include <limits.h>
 419 #  if (UINT_MAX == 0xffffffffUL)
 420 #    define Z_U4 unsigned
 421 #  elif (ULONG_MAX == 0xffffffffUL)
 422 #    define Z_U4 unsigned long
 423 #  elif (USHRT_MAX == 0xffffffffUL)
 424 #    define Z_U4 unsigned short
 425 #  endif
 426 #endif
 427
 428 #ifdef Z_U4
 429    typedef Z_U4 z_crc_t;
 430 #else
 431    typedef unsigned long z_crc_t;
 432 #endif
 433
 434 #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
 435 #  define Z_HAVE_UNISTD_H
 436 #endif
 437
 438 #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
 439 #  define Z_HAVE_STDARG_H
 440 #endif
 441
 442 #ifdef STDC
 443 #  ifndef Z_SOLO
 444 #    include <sys/types.h>      /* for off_t */
 445 #  endif
 446 #endif
 447
 448 #if defined(STDC) || defined(Z_HAVE_STDARG_H)
 449 #  ifndef Z_SOLO
 450 #    include <stdarg.h>         /* for va_list */
 451 #  endif
 452 #endif
 453
 454 #ifdef _WIN32
 455 #  ifndef Z_SOLO
 456 #    include <stddef.h>         /* for wchar_t */
 457 #  endif
 458 #endif
 459
 460 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
 461  * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
 462  * though the former does not conform to the LFS document), but considering
 463  * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
 464  * equivalently requesting no 64-bit operations
 465  */
 466 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
 467 #  undef _LARGEFILE64_SOURCE
 468 #endif
 469
 470 #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
 471 #  define Z_HAVE_UNISTD_H
 472 #endif
 473 #ifndef Z_SOLO
 474 #  if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
 475 #    include <unistd.h>         /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
 476 #    ifdef VMS
 477 #      include <unixio.h>       /* for off_t */
 478 #    endif
 479 #    ifndef z_off_t
 480 #      define z_off_t off_t
 481 #    endif
 482 #  endif
 483 #endif
 484
 485 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
 486 #  define Z_LFS64
 487 #endif
 488
 489 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
 490 #  define Z_LARGE64
 491 #endif
 492
 493 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
 494 #  define Z_WANT64
 495 #endif
 496
 497 #if !defined(SEEK_SET) && !defined(Z_SOLO)
 498 #  define SEEK_SET        0       /* Seek from beginning of file.  */
 499 #  define SEEK_CUR        1       /* Seek from current position.  */
 500 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
 501 #endif
 502
 503 #ifndef z_off_t
 504 #  define z_off_t long
 505 #endif
 506
 507 #if !defined(_WIN32) && defined(Z_LARGE64)
 508 #  define z_off64_t off64_t
 509 #else
 510 #  if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
 511 #    define z_off64_t __int64
 512 #  else
 513 #    define z_off64_t z_off_t
 514 #  endif
 515 #endif
 516
 517 /* MVS linker does not support external names larger than 8 bytes */
 518 #if defined(__MVS__)
 519   #pragma map(deflateInit_,"DEIN")
 520   #pragma map(deflateInit2_,"DEIN2")
 521   #pragma map(deflateEnd,"DEEND")
 522   #pragma map(deflateBound,"DEBND")
 523   #pragma map(inflateInit_,"ININ")
 524   #pragma map(inflateInit2_,"ININ2")
 525   #pragma map(inflateEnd,"INEND")
 526   #pragma map(inflateSync,"INSY")
 527   #pragma map(inflateSetDictionary,"INSEDI")
 528   #pragma map(compressBound,"CMBND")
 529   #pragma map(inflate_table,"INTABL")
 530   #pragma map(inflate_fast,"INFA")
 531   #pragma map(inflate_copyright,"INCOPY")
 532 #endif
 533
 534 /* Solaris 2.5.1 doesn't have vsnprintf */
 535 #if defined(__sun) && defined(__svr4__)
 536 #include <sys/feature_tests.h>
 537 #if _XOPEN_VERSION < 3
 538 #define NO_vsnprintf
 539 #endif
 540 #endif
 541
 542 /* Tru64 UNIX V4.0 neither */
 543 #if defined(__alpha) && defined(__osf__)
 544 #include <unistd.h>
 545 #if _XOPEN_VERSION < 500
 546 #define NO_vsnprintf
 547 #endif
 548 #endif
 549
 550 #endif /* ZCONF_H */