zlib/zconf.h

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