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 /* @(#) $Id: zconf.h 147 2004-01-04 23:55:18Z gabest $ */
   7
   8 #ifndef ZCONF_H
   9 #define ZCONF_H
  10
  11
  12 /*
  13  * If you *really* need a unique prefix for all types and library functions,
  14  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
  15  */
  16 #ifdef Z_PREFIX
  17 #  define deflateInit_          z_deflateInit_
  18 #  define deflate               z_deflate
  19 #  define deflateEnd            z_deflateEnd
  20 #  define inflateInit_          z_inflateInit_
  21 #  define inflate               z_inflate
  22 #  define inflateEnd            z_inflateEnd
  23 #  define deflateInit2_         z_deflateInit2_
  24 #  define deflateSetDictionary  z_deflateSetDictionary
  25 #  define deflateCopy           z_deflateCopy
  26 #  define deflateReset          z_deflateReset
  27 #  define deflateParams         z_deflateParams
  28 #  define deflateBound          z_deflateBound
  29 #  define deflatePrime          z_deflatePrime
  30 #  define inflateInit2_         z_inflateInit2_
  31 #  define inflateSetDictionary  z_inflateSetDictionary
  32 #  define inflateSync           z_inflateSync
  33 #  define inflateSyncPoint      z_inflateSyncPoint
  34 #  define inflateCopy           z_inflateCopy
  35 #  define inflateReset          z_inflateReset
  36 #  define inflateBack           z_inflateBack
  37 #  define inflateBackEnd        z_inflateBackEnd
  38 #  define compress              z_compress
  39 #  define compress2             z_compress2
  40 #  define compressBound         z_compressBound
  41 #  define uncompress            z_uncompress
  42 #  define adler32               z_adler32
  43 #  define crc32                 z_crc32
  44 #  define get_crc_table         z_get_crc_table
  45 #  define zError                z_zError
  46
  47 #  define alloc_func            z_alloc_func
  48 #  define free_func             z_free_func
  49 #  define in_func               z_in_func
  50 #  define out_func              z_out_func
  51 #  define Byte                  z_Byte
  52 #  define uInt                  z_uInt
  53 #  define uLong                 z_uLong
  54 #  define Bytef                 z_Bytef
  55 #  define charf                 z_charf
  56 #  define intf                  z_intf
  57 #  define uIntf                 z_uIntf
  58 #  define uLongf                z_uLongf
  59 #  define voidpf                z_voidpf
  60 #  define voidp                 z_voidp
  61 #endif
  62
  63 #if defined(__MSDOS__) && !defined(MSDOS)
  64 #  define MSDOS
  65 #endif
  66 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
  67 #  define OS2
  68 #endif
  69 #if defined(_WINDOWS) && !defined(WINDOWS)
  70 #  define WINDOWS
  71 #endif
  72 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
  73 #  ifndef WIN32
  74 #    define WIN32
  75 #  endif
  76 #endif
  77 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
  78 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
  79 #    ifndef SYS16BIT
  80 #      define SYS16BIT
  81 #    endif
  82 #  endif
  83 #endif
  84
  85 /*
  86  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
  87  * than 64k bytes at a time (needed on systems with 16-bit int).
  88  */
  89 #ifdef SYS16BIT
  90 #  define MAXSEG_64K
  91 #endif
  92 #ifdef MSDOS
  93 #  define UNALIGNED_OK
  94 #endif
  95
  96 #ifdef __STDC_VERSION__
  97 #  ifndef STDC
  98 #    define STDC
  99 #  endif
 100 #  if __STDC_VERSION__ >= 199901L
 101 #    ifndef STDC99
 102 #      define STDC99
 103 #    endif
 104 #  endif
 105 #endif
 106 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
 107 #  define STDC
 108 #endif
 109 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
 110 #  define STDC
 111 #endif
 112 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
 113 #  define STDC
 114 #endif
 115 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 116 #  define STDC
 117 #endif
 118
 119 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 120 #  define STDC
 121 #endif
 122
 123 #ifndef STDC
 124 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
 125 #    define const       /* note: need a more gentle solution here */
 126 #  endif
 127 #endif
 128
 129 /* Some Mac compilers merge all .h files incorrectly: */
 130 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
 131 #  define NO_DUMMY_DECL
 132 #endif
 133
 134 /* Maximum value for memLevel in deflateInit2 */
 135 #ifndef MAX_MEM_LEVEL
 136 #  ifdef MAXSEG_64K
 137 #    define MAX_MEM_LEVEL 8
 138 #  else
 139 #    define MAX_MEM_LEVEL 9
 140 #  endif
 141 #endif
 142
 143 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
 144  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 145  * created by gzip. (Files created by minigzip can still be extracted by
 146  * gzip.)
 147  */
 148 #ifndef MAX_WBITS
 149 #  define MAX_WBITS   15 /* 32K LZ77 window */
 150 #endif
 151
 152 /* The memory requirements for deflate are (in bytes):
 153             (1 << (windowBits+2)) +  (1 << (memLevel+9))
 154  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 155  plus a few kilobytes for small objects. For example, if you want to reduce
 156  the default memory requirements from 256K to 128K, compile with
 157      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 158  Of course this will generally degrade compression (there's no free lunch).
 159
 160    The memory requirements for inflate are (in bytes) 1 << windowBits
 161  that is, 32K for windowBits=15 (default value) plus a few kilobytes
 162  for small objects.
 163 */
 164
 165                         /* Type declarations */
 166
 167 #ifndef OF /* function prototypes */
 168 #  ifdef STDC
 169 #    define OF(args)  args
 170 #  else
 171 #    define OF(args)  ()
 172 #  endif
 173 #endif
 174
 175 /* The following definitions for FAR are needed only for MSDOS mixed
 176  * model programming (small or medium model with some far allocations).
 177  * This was tested only with MSC; for other MSDOS compilers you may have
 178  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 179  * just define FAR to be empty.
 180  */
 181 #ifdef SYS16BIT
 182 #  if defined(M_I86SM) || defined(M_I86MM)
 183      /* MSC small or medium model */
 184 #    define SMALL_MEDIUM
 185 #    ifdef _MSC_VER
 186 #      define FAR _far
 187 #    else
 188 #      define FAR far
 189 #    endif
 190 #  endif
 191 #  if (defined(__SMALL__) || defined(__MEDIUM__))
 192      /* Turbo C small or medium model */
 193 #    define SMALL_MEDIUM
 194 #    ifdef __BORLANDC__
 195 #      define FAR _far
 196 #    else
 197 #      define FAR far
 198 #    endif
 199 #  endif
 200 #endif
 201
 202 #if defined(WINDOWS) || defined(WIN32)
 203    /* If building or using zlib as a DLL, define ZLIB_DLL.
 204     * This is not mandatory, but it offers a little performance increase.
 205     */
 206 #  ifdef ZLIB_DLL
 207 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
 208 #      ifdef ZLIB_INTERNAL
 209 #        define ZEXTERN extern __declspec(dllexport)
 210 #      else
 211 #        define ZEXTERN extern __declspec(dllimport)
 212 #      endif
 213 #    endif
 214 #  endif  /* ZLIB_DLL */
 215    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
 216     * define ZLIB_WINAPI.
 217     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
 218     */
 219 #  ifdef ZLIB_WINAPI
 220 #    ifdef FAR
 221 #      undef FAR
 222 #    endif
 223 #    include <windows.h>
 224      /* No need for _export, use ZLIB.DEF instead. */
 225      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
 226 #    define ZEXPORT WINAPI
 227 #    ifdef WIN32
 228 #      define ZEXPORTVA WINAPIV
 229 #    else
 230 #      define ZEXPORTVA FAR CDECL
 231 #    endif
 232 #  endif
 233 #endif
 234
 235 #if defined (__BEOS__)
 236 #  ifdef ZLIB_DLL
 237 #    ifdef ZLIB_INTERNAL
 238 #      define ZEXPORT   __declspec(dllexport)
 239 #      define ZEXPORTVA __declspec(dllexport)
 240 #    else
 241 #      define ZEXPORT   __declspec(dllimport)
 242 #      define ZEXPORTVA __declspec(dllimport)
 243 #    endif
 244 #  endif
 245 #endif
 246
 247 #ifndef ZEXTERN
 248 #  define ZEXTERN extern
 249 #endif
 250 #ifndef ZEXPORT
 251 #  define ZEXPORT
 252 #endif
 253 #ifndef ZEXPORTVA
 254 #  define ZEXPORTVA
 255 #endif
 256
 257 #ifndef FAR
 258 #  define FAR
 259 #endif
 260
 261 #if !defined(__MACTYPES__)
 262 typedef unsigned char  Byte;  /* 8 bits */
 263 #endif
 264 typedef unsigned int   uInt;  /* 16 bits or more */
 265 typedef unsigned long  uLong; /* 32 bits or more */
 266
 267 #ifdef SMALL_MEDIUM
 268    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
 269 #  define Bytef Byte FAR
 270 #else
 271    typedef Byte  FAR Bytef;
 272 #endif
 273 typedef char  FAR charf;
 274 typedef int   FAR intf;
 275 typedef uInt  FAR uIntf;
 276 typedef uLong FAR uLongf;
 277
 278 #ifdef STDC
 279    typedef void const *voidpc;
 280    typedef void FAR   *voidpf;
 281    typedef void       *voidp;
 282 #else
 283    typedef Byte const *voidpc;
 284    typedef Byte FAR   *voidpf;
 285    typedef Byte       *voidp;
 286 #endif
 287
 288 #if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
 289 #  include <sys/types.h> /* for off_t */
 290 #  include <unistd.h>    /* for SEEK_* and off_t */
 291 #  ifdef VMS
 292 #    include <unixio.h>   /* for off_t */
 293 #  endif
 294 #  define z_off_t off_t
 295 #endif
 296 #ifndef SEEK_SET
 297 #  define SEEK_SET        0       /* Seek from beginning of file.  */
 298 #  define SEEK_CUR        1       /* Seek from current position.  */
 299 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
 300 #endif
 301 #ifndef z_off_t
 302 #  define z_off_t long
 303 #endif
 304
 305 #if defined(__OS400__)
 306 #  define NO_vsnprintf
 307 #endif
 308
 309 #if defined(__MVS__)
 310 #  define NO_vsnprintf
 311 #  ifdef FAR
 312 #    undef FAR
 313 #  endif
 314 #endif
 315
 316 /* MVS linker does not support external names larger than 8 bytes */
 317 #if defined(__MVS__)
 318 #   pragma map(deflateInit_,"DEIN")
 319 #   pragma map(deflateInit2_,"DEIN2")
 320 #   pragma map(deflateEnd,"DEEND")
 321 #   pragma map(deflateBound,"DEBND")
 322 #   pragma map(inflateInit_,"ININ")
 323 #   pragma map(inflateInit2_,"ININ2")
 324 #   pragma map(inflateEnd,"INEND")
 325 #   pragma map(inflateSync,"INSY")
 326 #   pragma map(inflateSetDictionary,"INSEDI")
 327 #   pragma map(compressBound,"CMBND")
 328 #   pragma map(inflate_table,"INTABL")
 329 #   pragma map(inflate_fast,"INFA")
 330 #   pragma map(inflate_copyright,"INCOPY")
 331 #endif
 332
 333 #endif /* ZCONF_H */