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