Home | History | Annotate | Line # | Download | only in zlib
      1 /*	$NetBSD: zconf.h,v 1.5 2024/09/22 19:12:27 christos Exp $	*/
      2 
      3 /* zconf.h -- configuration of the zlib compression library
      4  * Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
      5  * For conditions of distribution and use, see copyright notice in zlib.h
      6  */
      7 
      8 /* @(#) Id */
      9 
     10 #ifndef ZCONF_H
     11 #define ZCONF_H
     12 
     13 #include <sys/types.h>
     14 
     15 /*
     16  * If you *really* need a unique prefix for all types and library functions,
     17  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
     18  * Even better than compiling with -DZ_PREFIX would be to use configure to set
     19  * this permanently in zconf.h using "./configure --zprefix".
     20  */
     21 #ifdef Z_PREFIX     /* may be set to #if 1 by ./configure */
     22 #  define Z_PREFIX_SET
     23 
     24 /* all linked symbols and init macros */
     25 #  define _dist_code            z__dist_code
     26 #  define _length_code          z__length_code
     27 #  define _tr_align             z__tr_align
     28 #  define _tr_flush_bits        z__tr_flush_bits
     29 #  define _tr_flush_block       z__tr_flush_block
     30 #  define _tr_init              z__tr_init
     31 #  define _tr_stored_block      z__tr_stored_block
     32 #  define _tr_tally             z__tr_tally
     33 #  define adler32               z_adler32
     34 #  define adler32_combine       z_adler32_combine
     35 #  define adler32_combine64     z_adler32_combine64
     36 #  define adler32_z             z_adler32_z
     37 #  ifndef Z_SOLO
     38 #    define compress              z_compress
     39 #    define compress2             z_compress2
     40 #    define compressBound         z_compressBound
     41 #  endif
     42 #  define crc32                 z_crc32
     43 #  define crc32_combine         z_crc32_combine
     44 #  define crc32_combine64       z_crc32_combine64
     45 #  define crc32_combine_gen     z_crc32_combine_gen
     46 #  define crc32_combine_gen64   z_crc32_combine_gen64
     47 #  define crc32_combine_op      z_crc32_combine_op
     48 #  define crc32_z               z_crc32_z
     49 #  define deflate               z_deflate
     50 #  define deflateBound          z_deflateBound
     51 #  define deflateCopy           z_deflateCopy
     52 #  define deflateEnd            z_deflateEnd
     53 #  define deflateGetDictionary  z_deflateGetDictionary
     54 #  define deflateInit           z_deflateInit
     55 #  define deflateInit2          z_deflateInit2
     56 #  define deflateInit2_         z_deflateInit2_
     57 #  define deflateInit_          z_deflateInit_
     58 #  define deflateParams         z_deflateParams
     59 #  define deflatePending        z_deflatePending
     60 #  define deflatePrime          z_deflatePrime
     61 #  define deflateReset          z_deflateReset
     62 #  define deflateResetKeep      z_deflateResetKeep
     63 #  define deflateSetDictionary  z_deflateSetDictionary
     64 #  define deflateSetHeader      z_deflateSetHeader
     65 #  define deflateTune           z_deflateTune
     66 #  define deflate_copyright     z_deflate_copyright
     67 #  define get_crc_table         z_get_crc_table
     68 #  ifndef Z_SOLO
     69 #    define gz_error              z_gz_error
     70 #    define gz_intmax             z_gz_intmax
     71 #    define gz_strwinerror        z_gz_strwinerror
     72 #    define gzbuffer              z_gzbuffer
     73 #    define gzclearerr            z_gzclearerr
     74 #    define gzclose               z_gzclose
     75 #    define gzclose_r             z_gzclose_r
     76 #    define gzclose_w             z_gzclose_w
     77 #    define gzdirect              z_gzdirect
     78 #    define gzdopen               z_gzdopen
     79 #    define gzeof                 z_gzeof
     80 #    define gzerror               z_gzerror
     81 #    define gzflush               z_gzflush
     82 #    define gzfread               z_gzfread
     83 #    define gzfwrite              z_gzfwrite
     84 #    define gzgetc                z_gzgetc
     85 #    define gzgetc_               z_gzgetc_
     86 #    define gzgets                z_gzgets
     87 #    define gzoffset              z_gzoffset
     88 #    define gzoffset64            z_gzoffset64
     89 #    define gzopen                z_gzopen
     90 #    define gzopen64              z_gzopen64
     91 #    ifdef _WIN32
     92 #      define gzopen_w              z_gzopen_w
     93 #    endif
     94 #    define gzprintf              z_gzprintf
     95 #    define gzputc                z_gzputc
     96 #    define gzputs                z_gzputs
     97 #    define gzread                z_gzread
     98 #    define gzrewind              z_gzrewind
     99 #    define gzseek                z_gzseek
    100 #    define gzseek64              z_gzseek64
    101 #    define gzsetparams           z_gzsetparams
    102 #    define gztell                z_gztell
    103 #    define gztell64              z_gztell64
    104 #    define gzungetc              z_gzungetc
    105 #    define gzvprintf             z_gzvprintf
    106 #    define gzwrite               z_gzwrite
    107 #  endif
    108 #  define inflate               z_inflate
    109 #  define inflateBack           z_inflateBack
    110 #  define inflateBackEnd        z_inflateBackEnd
    111 #  define inflateBackInit       z_inflateBackInit
    112 #  define inflateBackInit_      z_inflateBackInit_
    113 #  define inflateCodesUsed      z_inflateCodesUsed
    114 #  define inflateCopy           z_inflateCopy
    115 #  define inflateEnd            z_inflateEnd
    116 #  define inflateGetDictionary  z_inflateGetDictionary
    117 #  define inflateGetHeader      z_inflateGetHeader
    118 #  define inflateInit           z_inflateInit
    119 #  define inflateInit2          z_inflateInit2
    120 #  define inflateInit2_         z_inflateInit2_
    121 #  define inflateInit_          z_inflateInit_
    122 #  define inflateMark           z_inflateMark
    123 #  define inflatePrime          z_inflatePrime
    124 #  define inflateReset          z_inflateReset
    125 #  define inflateReset2         z_inflateReset2
    126 #  define inflateResetKeep      z_inflateResetKeep
    127 #  define inflateSetDictionary  z_inflateSetDictionary
    128 #  define inflateSync           z_inflateSync
    129 #  define inflateSyncPoint      z_inflateSyncPoint
    130 #  define inflateUndermine      z_inflateUndermine
    131 #  define inflateValidate       z_inflateValidate
    132 #  define inflate_copyright     z_inflate_copyright
    133 #  define inflate_fast          z_inflate_fast
    134 #  define inflate_table         z_inflate_table
    135 #  ifndef Z_SOLO
    136 #    define uncompress            z_uncompress
    137 #    define uncompress2           z_uncompress2
    138 #  endif
    139 #  define zError                z_zError
    140 #  ifndef Z_SOLO
    141 #    define zcalloc               z_zcalloc
    142 #    define zcfree                z_zcfree
    143 #  endif
    144 #  define zlibCompileFlags      z_zlibCompileFlags
    145 #  define zlibVersion           z_zlibVersion
    146 
    147 /* all zlib typedefs in zlib.h and zconf.h */
    148 #  define Byte                  z_Byte
    149 #  define Bytef                 z_Bytef
    150 #  define alloc_func            z_alloc_func
    151 #  define charf                 z_charf
    152 #  define free_func             z_free_func
    153 #  ifndef Z_SOLO
    154 #    define gzFile                z_gzFile
    155 #  endif
    156 #  define gz_header             z_gz_header
    157 #  define gz_headerp            z_gz_headerp
    158 #  define in_func               z_in_func
    159 #  define intf                  z_intf
    160 #  define out_func              z_out_func
    161 #  define uInt                  z_uInt
    162 #  define uIntf                 z_uIntf
    163 #  define uLong                 z_uLong
    164 #  define uLongf                z_uLongf
    165 #  define voidp                 z_voidp
    166 #  define voidpc                z_voidpc
    167 #  define voidpf                z_voidpf
    168 
    169 /* all zlib structs in zlib.h and zconf.h */
    170 #  define gz_header_s           z_gz_header_s
    171 #  define internal_state        z_internal_state
    172 
    173 #endif
    174 
    175 #if defined(__MSDOS__) && !defined(MSDOS)
    176 #  define MSDOS
    177 #endif
    178 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
    179 #  define OS2
    180 #endif
    181 #if defined(_WINDOWS) && !defined(WINDOWS)
    182 #  define WINDOWS
    183 #endif
    184 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
    185 #  ifndef WIN32
    186 #    define WIN32
    187 #  endif
    188 #endif
    189 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
    190 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
    191 #    ifndef SYS16BIT
    192 #      define SYS16BIT
    193 #    endif
    194 #  endif
    195 #endif
    196 
    197 /*
    198  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
    199  * than 64k bytes at a time (needed on systems with 16-bit int).
    200  */
    201 #ifdef SYS16BIT
    202 #  define MAXSEG_64K
    203 #endif
    204 #ifdef MSDOS
    205 #  define UNALIGNED_OK
    206 #endif
    207 
    208 #ifdef __STDC_VERSION__
    209 #  ifndef STDC
    210 #    define STDC
    211 #  endif
    212 #  if __STDC_VERSION__ >= 199901L
    213 #    ifndef STDC99
    214 #      define STDC99
    215 #    endif
    216 #  endif
    217 #endif
    218 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
    219 #  define STDC
    220 #endif
    221 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
    222 #  define STDC
    223 #endif
    224 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
    225 #  define STDC
    226 #endif
    227 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
    228 #  define STDC
    229 #endif
    230 
    231 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
    232 #  define STDC
    233 #endif
    234 
    235 #ifndef STDC
    236 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
    237 #    define const       /* note: need a more gentle solution here */
    238 #  endif
    239 #endif
    240 
    241 #if defined(ZLIB_CONST) && !defined(z_const)
    242 #  define z_const const
    243 #else
    244 #  define z_const
    245 #endif
    246 
    247 #ifdef Z_SOLO
    248 #  ifdef _WIN64
    249      typedef unsigned long long z_size_t;
    250 #  else
    251      typedef unsigned long z_size_t;
    252 #  endif
    253 #else
    254 #  define z_longlong long long
    255 #  if defined(NO_SIZE_T)
    256      typedef unsigned NO_SIZE_T z_size_t;
    257 #  elif defined(STDC)
    258 #    if defined(_KERNEL) || defined(_STANDALONE)
    259 #      include <lib/libkern/libkern.h>
    260 #    else
    261 #      include <stddef.h>
    262 #    endif
    263      typedef size_t z_size_t;
    264 #  else
    265      typedef unsigned long z_size_t;
    266 #  endif
    267 #  undef z_longlong
    268 #endif
    269 
    270 /* Maximum value for memLevel in deflateInit2 */
    271 #ifndef MAX_MEM_LEVEL
    272 #  ifdef MAXSEG_64K
    273 #    define MAX_MEM_LEVEL 8
    274 #  else
    275 #    define MAX_MEM_LEVEL 9
    276 #  endif
    277 #endif
    278 
    279 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
    280  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
    281  * created by gzip. (Files created by minigzip can still be extracted by
    282  * gzip.)
    283  */
    284 #ifndef MAX_WBITS
    285 #  define MAX_WBITS   15 /* 32K LZ77 window */
    286 #endif
    287 
    288 /* The memory requirements for deflate are (in bytes):
    289             (1 << (windowBits+2)) +  (1 << (memLevel+9))
    290  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
    291  plus a few kilobytes for small objects. For example, if you want to reduce
    292  the default memory requirements from 256K to 128K, compile with
    293      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
    294  Of course this will generally degrade compression (there's no free lunch).
    295 
    296    The memory requirements for inflate are (in bytes) 1 << windowBits
    297  that is, 32K for windowBits=15 (default value) plus about 7 kilobytes
    298  for small objects.
    299 */
    300 
    301                         /* Type declarations */
    302 
    303 #ifndef OF /* function prototypes */
    304 #  ifdef STDC
    305 #    define OF(args)  args
    306 #  else
    307 #    define OF(args)  ()
    308 #  endif
    309 #endif
    310 
    311 /* The following definitions for FAR are needed only for MSDOS mixed
    312  * model programming (small or medium model with some far allocations).
    313  * This was tested only with MSC; for other MSDOS compilers you may have
    314  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
    315  * just define FAR to be empty.
    316  */
    317 #ifdef SYS16BIT
    318 #  if defined(M_I86SM) || defined(M_I86MM)
    319      /* MSC small or medium model */
    320 #    define SMALL_MEDIUM
    321 #    ifdef _MSC_VER
    322 #      define FAR _far
    323 #    else
    324 #      define FAR far
    325 #    endif
    326 #  endif
    327 #  if (defined(__SMALL__) || defined(__MEDIUM__))
    328      /* Turbo C small or medium model */
    329 #    define SMALL_MEDIUM
    330 #    ifdef __BORLANDC__
    331 #      define FAR _far
    332 #    else
    333 #      define FAR far
    334 #    endif
    335 #  endif
    336 #endif
    337 
    338 #if defined(WINDOWS) || defined(WIN32)
    339    /* If building or using zlib as a DLL, define ZLIB_DLL.
    340     * This is not mandatory, but it offers a little performance increase.
    341     */
    342 #  ifdef ZLIB_DLL
    343 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
    344 #      ifdef ZLIB_INTERNAL
    345 #        define ZEXTERN extern __declspec(dllexport)
    346 #      else
    347 #        define ZEXTERN extern __declspec(dllimport)
    348 #      endif
    349 #    endif
    350 #  endif  /* ZLIB_DLL */
    351    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
    352     * define ZLIB_WINAPI.
    353     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
    354     */
    355 #  ifdef ZLIB_WINAPI
    356 #    ifdef FAR
    357 #      undef FAR
    358 #    endif
    359 #    ifndef WIN32_LEAN_AND_MEAN
    360 #      define WIN32_LEAN_AND_MEAN
    361 #    endif
    362 #    include <windows.h>
    363      /* No need for _export, use ZLIB.DEF instead. */
    364      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
    365 #    define ZEXPORT WINAPI
    366 #    ifdef WIN32
    367 #      define ZEXPORTVA WINAPIV
    368 #    else
    369 #      define ZEXPORTVA FAR CDECL
    370 #    endif
    371 #  endif
    372 #endif
    373 
    374 #if defined (__BEOS__)
    375 #  ifdef ZLIB_DLL
    376 #    ifdef ZLIB_INTERNAL
    377 #      define ZEXPORT   __declspec(dllexport)
    378 #      define ZEXPORTVA __declspec(dllexport)
    379 #    else
    380 #      define ZEXPORT   __declspec(dllimport)
    381 #      define ZEXPORTVA __declspec(dllimport)
    382 #    endif
    383 #  endif
    384 #endif
    385 
    386 #ifndef ZEXTERN
    387 #  define ZEXTERN extern
    388 #endif
    389 #ifndef ZEXPORT
    390 #  define ZEXPORT
    391 #endif
    392 #ifndef ZEXPORTVA
    393 #  define ZEXPORTVA
    394 #endif
    395 
    396 #ifndef FAR
    397 #  define FAR
    398 #endif
    399 
    400 #if !defined(__MACTYPES__)
    401 typedef unsigned char  Byte;  /* 8 bits */
    402 #endif
    403 typedef unsigned int   uInt;  /* 16 bits or more */
    404 typedef unsigned long  uLong; /* 32 bits or more */
    405 
    406 #ifdef SMALL_MEDIUM
    407    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
    408 #  define Bytef Byte FAR
    409 #else
    410    typedef Byte  FAR Bytef;
    411 #endif
    412 typedef char  FAR charf;
    413 typedef int   FAR intf;
    414 typedef uInt  FAR uIntf;
    415 typedef uLong FAR uLongf;
    416 
    417 #ifdef STDC
    418    typedef void const *voidpc;
    419    typedef void FAR   *voidpf;
    420    typedef void       *voidp;
    421 #else
    422    typedef Byte const *voidpc;
    423    typedef Byte FAR   *voidpf;
    424    typedef Byte       *voidp;
    425 #endif
    426 
    427 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
    428 #  if defined(_KERNEL) || defined(_STANDALONE)
    429 #    include <machine/limits.h>
    430 #  else
    431 #    include <limits.h>
    432 #  endif
    433 #  if (UINT_MAX == 0xffffffffUL)
    434 #    define Z_U4 unsigned
    435 #  elif (ULONG_MAX == 0xffffffffUL)
    436 #    define Z_U4 unsigned long
    437 #  elif (USHRT_MAX == 0xffffffffUL)
    438 #    define Z_U4 unsigned short
    439 #  endif
    440 #endif
    441 
    442 #ifdef Z_U4
    443    typedef Z_U4 z_crc_t;
    444 #else
    445    typedef unsigned long z_crc_t;
    446 #endif
    447 
    448 #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
    449 #  define Z_HAVE_UNISTD_H
    450 #endif
    451 
    452 #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
    453 #  define Z_HAVE_STDARG_H
    454 #endif
    455 
    456 #ifdef STDC
    457 #  ifndef Z_SOLO
    458 #    include <sys/types.h>      /* for off_t */
    459 #  endif
    460 #endif
    461 
    462 #if defined(STDC) || defined(Z_HAVE_STDARG_H)
    463 #  ifndef Z_SOLO
    464 #    if defined(_KERNEL) || defined(_STANDALONE)
    465 #      include <sys/stdarg.h>         /* for va_list */
    466 #    else
    467 #      include <stdarg.h>         /* for va_list */
    468 #    endif
    469 #  endif
    470 #endif
    471 
    472 #ifdef _WIN32
    473 #  ifndef Z_SOLO
    474 #    include <stddef.h>         /* for wchar_t */
    475 #  endif
    476 #endif
    477 
    478 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
    479  * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
    480  * though the former does not conform to the LFS document), but considering
    481  * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
    482  * equivalently requesting no 64-bit operations
    483  */
    484 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
    485 #  undef _LARGEFILE64_SOURCE
    486 #endif
    487 
    488 #ifndef Z_HAVE_UNISTD_H
    489 #  ifdef __WATCOMC__
    490 #    define Z_HAVE_UNISTD_H
    491 #  endif
    492 #endif
    493 #ifndef Z_HAVE_UNISTD_H
    494 #  if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
    495 #    define Z_HAVE_UNISTD_H
    496 #  endif
    497 #endif
    498 #ifndef Z_SOLO
    499 #  if defined(Z_HAVE_UNISTD_H)
    500 #    include <unistd.h>         /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
    501 #    ifdef VMS
    502 #      include <unixio.h>       /* for off_t */
    503 #    endif
    504 #    ifndef z_off_t
    505 #      define z_off_t off_t
    506 #    endif
    507 #  endif
    508 #endif
    509 
    510 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
    511 #  define Z_LFS64
    512 #endif
    513 
    514 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
    515 #  define Z_LARGE64
    516 #endif
    517 
    518 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
    519 #  define Z_WANT64
    520 #endif
    521 
    522 #if !defined(SEEK_SET) && !defined(Z_SOLO)
    523 #  define SEEK_SET        0       /* Seek from beginning of file.  */
    524 #  define SEEK_CUR        1       /* Seek from current position.  */
    525 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
    526 #endif
    527 
    528 #ifndef z_off_t
    529 #  define z_off_t long
    530 #endif
    531 #ifndef z_ptrdiff_t
    532 #  define z_ptrdiff_t long
    533 #endif
    534 
    535 #if !defined(_WIN32) && defined(Z_LARGE64)
    536 #  define z_off64_t off64_t
    537 #else
    538 #  if defined(_WIN32) && !defined(__GNUC__)
    539 #    define z_off64_t __int64
    540 #  else
    541 #    define z_off64_t z_off_t
    542 #  endif
    543 #endif
    544 
    545 /* MVS linker does not support external names larger than 8 bytes */
    546 #if defined(__MVS__)
    547   #pragma map(deflateInit_,"DEIN")
    548   #pragma map(deflateInit2_,"DEIN2")
    549   #pragma map(deflateEnd,"DEEND")
    550   #pragma map(deflateBound,"DEBND")
    551   #pragma map(inflateInit_,"ININ")
    552   #pragma map(inflateInit2_,"ININ2")
    553   #pragma map(inflateEnd,"INEND")
    554   #pragma map(inflateSync,"INSY")
    555   #pragma map(inflateSetDictionary,"INSEDI")
    556   #pragma map(compressBound,"CMBND")
    557   #pragma map(inflate_table,"INTABL")
    558   #pragma map(inflate_fast,"INFA")
    559   #pragma map(inflate_copyright,"INCOPY")
    560 #endif
    561 
    562 #endif /* ZCONF_H */
    563