src/zlib/zconf.h

   1 /* zconf.h -- configuration of the zlib compression library
   2  * Copyright (C) 1995-2004 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 Byte                  z_Byte
  47 #  define uInt                  z_uInt
  48 #  define uLong                 z_uLong
  49 #  define Bytef                 z_Bytef
  50 #  define charf                 z_charf
  51 #  define intf                  z_intf
  52 #  define uIntf                 z_uIntf
  53 #  define uLongf                z_uLongf
  54 #  define voidpf                z_voidpf
  55 #  define voidp                 z_voidp
  56 #endif
  57
  58 #if defined(__MSDOS__) && !defined(MSDOS)
  59 #  define MSDOS
  60 #endif
  61 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
  62 #  define OS2
  63 #endif
  64 #if defined(_WINDOWS) && !defined(WINDOWS)
  65 #  define WINDOWS
  66 #endif
  67 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
  68 #  define WIN32
  69 #endif
  70 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
  71 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
  72 #    ifndef SYS16BIT
  73 #      define SYS16BIT
  74 #    endif
  75 #  endif
  76 #endif
  77
  78 /*
  79  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
  80  * than 64k bytes at a time (needed on systems with 16-bit int).
  81  */
  82 #ifdef SYS16BIT
  83 #  define MAXSEG_64K
  84 #endif
  85 #ifdef MSDOS
  86 #  define UNALIGNED_OK
  87 #endif
  88
  89 #ifdef __STDC_VERSION__
  90 #  ifndef STDC
  91 #    define STDC
  92 #  endif
  93 #  if __STDC_VERSION__ >= 199901L
  94 #    ifndef STDC99
  95 #      define STDC99
  96 #    endif
  97 #  endif
  98 #endif
  99 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
 100 #  define STDC
 101 #endif
 102 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
 103 #  define STDC
 104 #endif
 105 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
 106 #  define STDC
 107 #endif
 108 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 109 #  define STDC
 110 #endif
 111
 112 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 113 #  define STDC
 114 #endif
 115
 116 #ifndef STDC
 117 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
 118 #    define const       /* note: need a more gentle solution here */
 119 #  endif
 120 #endif
 121
 122 /* Some Mac compilers merge all .h files incorrectly: */
 123 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
 124 #  define NO_DUMMY_DECL
 125 #endif
 126
 127 /* Maximum value for memLevel in deflateInit2 */
 128 #ifndef MAX_MEM_LEVEL
 129 #  ifdef MAXSEG_64K
 130 #    define MAX_MEM_LEVEL 8
 131 #  else
 132 #    define MAX_MEM_LEVEL 9
 133 #  endif
 134 #endif
 135
 136 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
 137  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 138  * created by gzip. (Files created by minigzip can still be extracted by
 139  * gzip.)
 140  */
 141 #ifndef MAX_WBITS
 142 #  define MAX_WBITS   15 /* 32K LZ77 window */
 143 #endif
 144
 145 /* The memory requirements for deflate are (in bytes):
 146             (1 << (windowBits+2)) +  (1 << (memLevel+9))
 147  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 148  plus a few kilobytes for small objects. For example, if you want to reduce
 149  the default memory requirements from 256K to 128K, compile with
 150      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 151  Of course this will generally degrade compression (there's no free lunch).
 152
 153    The memory requirements for inflate are (in bytes) 1 << windowBits
 154  that is, 32K for windowBits=15 (default value) plus a few kilobytes
 155  for small objects.
 156 */
 157
 158                         /* Type declarations */
 159
 160 #ifndef OF /* function prototypes */
 161 #  ifdef STDC
 162 #    define OF(args)  args
 163 #  else
 164 #    define OF(args)  ()
 165 #  endif
 166 #endif
 167
 168 /* The following definitions for FAR are needed only for MSDOS mixed
 169  * model programming (small or medium model with some far allocations).
 170  * This was tested only with MSC; for other MSDOS compilers you may have
 171  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 172  * just define FAR to be empty.
 173  */
 174 #ifdef SYS16BIT
 175 #  if defined(M_I86SM) || defined(M_I86MM)
 176      /* MSC small or medium model */
 177 #    define SMALL_MEDIUM
 178 #    ifdef _MSC_VER
 179 #      define FAR _far
 180 #    else
 181 #      define FAR far
 182 #    endif
 183 #  endif
 184 #  if (defined(__SMALL__) || defined(__MEDIUM__))
 185      /* Turbo C small or medium model */
 186 #    define SMALL_MEDIUM
 187 #    ifdef __BORLANDC__
 188 #      define FAR _far
 189 #    else
 190 #      define FAR far
 191 #    endif
 192 #  endif
 193 #endif
 194
 195 #if defined(WINDOWS) || defined(WIN32)
 196    /* If building or using zlib as a DLL, define ZLIB_DLL.
 197     * This is not mandatory, but it offers a little performance increase.
 198     */
 199 #  ifdef ZLIB_DLL
 200 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
 201 #      ifdef ZLIB_INTERNAL
 202 #        define ZEXTERN extern __declspec(dllexport)
 203 #      else
 204 #        define ZEXTERN extern __declspec(dllimport)
 205 #      endif
 206 #    endif
 207 #  endif  /* ZLIB_DLL */
 208    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
 209     * define ZLIB_WINAPI.
 210     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
 211     */
 212 #  ifdef ZLIB_WINAPI
 213 #    ifdef FAR
 214 #      undef FAR
 215 #    endif
 216 #    include <windows.h>
 217      /* No need for _export, use ZLIB.DEF instead. */
 218      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
 219 #    define ZEXPORT WINAPI
 220 #    ifdef WIN32
 221 #      define ZEXPORTVA WINAPIV
 222 #    else
 223 #      define ZEXPORTVA FAR CDECL
 224 #    endif
 225 #  endif
 226 #endif
 227
 228 #if defined (__BEOS__)
 229 #  ifdef ZLIB_DLL
 230 #    ifdef ZLIB_INTERNAL
 231 #      define ZEXPORT   __declspec(dllexport)
 232 #      define ZEXPORTVA __declspec(dllexport)
 233 #    else
 234 #      define ZEXPORT   __declspec(dllimport)
 235 #      define ZEXPORTVA __declspec(dllimport)
 236 #    endif
 237 #  endif
 238 #endif
 239
 240 #ifndef ZEXTERN
 241 #  define ZEXTERN extern
 242 #endif
 243 #ifndef ZEXPORT
 244 #  define ZEXPORT
 245 #endif
 246 #ifndef ZEXPORTVA
 247 #  define ZEXPORTVA
 248 #endif
 249
 250 #ifndef FAR
 251 #  define FAR
 252 #endif
 253
 254 #if !defined(__MACTYPES__)
 255 typedef unsigned char  Byte;  /* 8 bits */
 256 #endif
 257 typedef unsigned int   uInt;  /* 16 bits or more */
 258 typedef unsigned long  uLong; /* 32 bits or more */
 259
 260 #ifdef SMALL_MEDIUM
 261    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
 262 #  define Bytef Byte FAR
 263 #else
 264    typedef Byte  FAR Bytef;
 265 #endif
 266 typedef char  FAR charf;
 267 typedef int   FAR intf;
 268 typedef uInt  FAR uIntf;
 269 typedef uLong FAR uLongf;
 270
 271 #ifdef STDC
 272    typedef void const *voidpc;
 273    typedef void FAR   *voidpf;
 274    typedef void       *voidp;
 275 #else
 276    typedef Byte const *voidpc;
 277    typedef Byte FAR   *voidpf;
 278    typedef Byte       *voidp;
 279 #endif
 280
 281 #if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
 282 #  include <sys/types.h> /* for off_t */
 283 #  include <unistd.h>    /* for SEEK_* and off_t */
 284 #  ifdef VMS
 285 #    include <unixio.h>   /* for off_t */
 286 #  endif
 287 #  define z_off_t off_t
 288 #endif
 289 #ifndef SEEK_SET
 290 #  define SEEK_SET        0       /* Seek from beginning of file.  */
 291 #  define SEEK_CUR        1       /* Seek from current position.  */
 292 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
 293 #endif
 294 #ifndef z_off_t
 295 #  define z_off_t long
 296 #endif
 297
 298 #if defined(__OS400__)
 299 #  define NO_vsnprintf
 300 #endif
 301
 302 #if defined(__MVS__)
 303 #  define NO_vsnprintf
 304 #  ifdef FAR
 305 #    undef FAR
 306 #  endif
 307 #endif
 308
 309 /* MVS linker does not support external names larger than 8 bytes */
 310 #if defined(__MVS__)
 311 #   pragma map(deflateInit_,"DEIN")
 312 #   pragma map(deflateInit2_,"DEIN2")
 313 #   pragma map(deflateEnd,"DEEND")
 314 #   pragma map(deflateBound,"DEBND")
 315 #   pragma map(inflateInit_,"ININ")
 316 #   pragma map(inflateInit2_,"ININ2")
 317 #   pragma map(inflateEnd,"INEND")
 318 #   pragma map(inflateSync,"INSY")
 319 #   pragma map(inflateSetDictionary,"INSEDI")
 320 #   pragma map(compressBound,"CMBND")
 321 #   pragma map(inflate_table,"INTABL")
 322 #   pragma map(inflate_fast,"INFA")
 323 #   pragma map(inflate_copyright,"INCOPY")
 324 #endif
 325
 326 #endif /* ZCONF_H */