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00001 /* zconf.h -- configuration of the zlib compression library
00002  * Copyright (C) 1995-2002 Jean-loup Gailly.
00003  * For conditions of distribution and use, see copyright notice in zlib.h
00004  */
00005 
00006 /* @(#) $Id$ */
00007 
00008 #ifndef _ZCONF_H
00009 #define _ZCONF_H
00010 
00011 /*
00012  * If you *really* need a unique prefix for all types and library functions,
00013  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
00014  */
00015 #ifdef Z_PREFIX
00016 #  define deflateInit_         z_deflateInit_
00017 #  define deflate              z_deflate
00018 #  define deflateEnd           z_deflateEnd
00019 #  define inflateInit_         z_inflateInit_
00020 #  define inflate              z_inflate
00021 #  define inflateEnd           z_inflateEnd
00022 #  define deflateInit2_        z_deflateInit2_
00023 #  define deflateSetDictionary z_deflateSetDictionary
00024 #  define deflateCopy          z_deflateCopy
00025 #  define deflateReset         z_deflateReset
00026 #  define deflateParams        z_deflateParams
00027 #  define inflateInit2_        z_inflateInit2_
00028 #  define inflateSetDictionary z_inflateSetDictionary
00029 #  define inflateSync          z_inflateSync
00030 #  define inflateSyncPoint     z_inflateSyncPoint
00031 #  define inflateReset         z_inflateReset
00032 #  define compress             z_compress
00033 #  define compress2            z_compress2
00034 #  define uncompress           z_uncompress
00035 #  define adler32              z_adler32
00036 #  define crc32                z_crc32
00037 #  define get_crc_table        z_get_crc_table
00038 
00039 #  define Byte   z_Byte
00040 #  define uInt   z_uInt
00041 #  define uLong  z_uLong
00042 #  define Bytef  z_Bytef
00043 #  define charf  z_charf
00044 #  define intf   z_intf
00045 #  define uIntf  z_uIntf
00046 #  define uLongf z_uLongf
00047 #  define voidpf z_voidpf
00048 #  define voidp  z_voidp
00049 #endif
00050 
00051 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
00052 #  define WIN32
00053 #endif
00054 #if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
00055 #  ifndef __32BIT__
00056 #    define __32BIT__
00057 #  endif
00058 #endif
00059 #if defined(__MSDOS__) && !defined(MSDOS)
00060 #  define MSDOS
00061 #endif
00062 
00063 /* WinCE doesn't have errno.h */
00064 #ifdef _WIN32_WCE
00065 #  define NO_ERRNO_H
00066 #endif
00067 
00068 
00069 /*
00070  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
00071  * than 64k bytes at a time (needed on systems with 16-bit int).
00072  */
00073 #if defined(MSDOS) && !defined(__32BIT__)
00074 #  define MAXSEG_64K
00075 #endif
00076 #ifdef MSDOS
00077 #  define UNALIGNED_OK
00078 #endif
00079 
00080 #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32))  && !defined(STDC)
00081 #  define STDC
00082 #endif
00083 #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
00084 #  ifndef STDC
00085 #    define STDC
00086 #  endif
00087 #endif
00088 
00089 #ifndef STDC
00090 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
00091 #    define const
00092 #  endif
00093 #endif
00094 
00095 /* Some Mac compilers merge all .h files incorrectly: */
00096 #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
00097 #  define NO_DUMMY_DECL
00098 #endif
00099 
00100 /* Old Borland C and LCC incorrectly complains about missing returns: */
00101 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
00102 #  define NEED_DUMMY_RETURN
00103 #endif
00104 
00105 #if defined(__LCC__)
00106 #  define  NEED_DUMMY_RETURN
00107 #endif
00108 
00109 /* Maximum value for memLevel in deflateInit2 */
00110 #ifndef MAX_MEM_LEVEL
00111 #  ifdef MAXSEG_64K
00112 #    define MAX_MEM_LEVEL 8
00113 #  else
00114 #    define MAX_MEM_LEVEL 9
00115 #  endif
00116 #endif
00117 
00118 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
00119  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
00120  * created by gzip. (Files created by minigzip can still be extracted by
00121  * gzip.)
00122  */
00123 #ifndef MAX_WBITS
00124 #  define MAX_WBITS   15 /* 32K LZ77 window */
00125 #endif
00126 
00127 /* The memory requirements for deflate are (in bytes):
00128             (1 << (windowBits+2)) +  (1 << (memLevel+9))
00129  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
00130  plus a few kilobytes for small objects. For example, if you want to reduce
00131  the default memory requirements from 256K to 128K, compile with
00132      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
00133  Of course this will generally degrade compression (there's no free lunch).
00134 
00135    The memory requirements for inflate are (in bytes) 1 << windowBits
00136  that is, 32K for windowBits=15 (default value) plus a few kilobytes
00137  for small objects.
00138 */
00139 
00140                         /* Type declarations */
00141 
00142 #ifndef OF /* function prototypes */
00143 #  ifdef STDC
00144 #    define OF(args)  args
00145 #  else
00146 #    define OF(args)  ()
00147 #  endif
00148 #endif
00149 
00150 /* The following definitions for FAR are needed only for MSDOS mixed
00151  * model programming (small or medium model with some far allocations).
00152  * This was tested only with MSC; for other MSDOS compilers you may have
00153  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
00154  * just define FAR to be empty.
00155  */
00156 #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
00157    /* MSC small or medium model */
00158 #  define SMALL_MEDIUM
00159 #  ifdef _MSC_VER
00160 #    define FAR _far
00161 #  else
00162 #    define FAR far
00163 #  endif
00164 #endif
00165 #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
00166 #  ifndef __32BIT__
00167 #    define SMALL_MEDIUM
00168 #    define FAR _far
00169 #  endif
00170 #endif
00171 
00172 /* Compile with -DZLIB_DLL for Windows DLL support */
00173 #if defined(ZLIB_DLL)
00174 #  if defined(_WINDOWS) || defined(WINDOWS)
00175 #    ifdef FAR
00176 #      undef FAR
00177 #    endif
00178 #    include <windows.h>
00179 #    define ZEXPORT(x)  x WINAPI
00180 #    ifdef WIN32
00181 #      define ZEXPORTVA(x)  x WINAPIV
00182 #    else
00183 #      define ZEXPORTVA(x)  x FAR _cdecl _export
00184 #    endif
00185 #  endif
00186 #  if defined (__BORLANDC__)
00187 #    if (__BORLANDC__ >= 0x0500) && defined (WIN32)
00188 #      include <windows.h>
00189 #      define ZEXPORT(x) x __declspec(dllexport) WINAPI
00190 #      define ZEXPORTRVA(x)  x __declspec(dllexport) WINAPIV
00191 #    else
00192 #      if defined (_Windows) && defined (__DLL__)
00193 #        define ZEXPORT(x) x _export
00194 #        define ZEXPORTVA(x) x _export
00195 #      endif
00196 #    endif
00197 #  endif
00198 #endif
00199 
00200 
00201 #ifndef ZEXPORT
00202 #  define ZEXPORT(x)   static x
00203 #endif
00204 #ifndef ZEXPORTVA
00205 #  define ZEXPORTVA(x)   static x
00206 #endif
00207 #ifndef ZEXTERN
00208 #  define ZEXTERN(x) static x
00209 #endif
00210 #ifndef ZEXTERNDEF
00211 #  define ZEXTERNDEF(x)  static x
00212 #endif
00213 
00214 #ifndef FAR
00215 #   define FAR
00216 #endif
00217 
00218 #if !defined(MACOS) && !defined(TARGET_OS_MAC)
00219 typedef unsigned char  Byte;  /* 8 bits */
00220 #endif
00221 typedef unsigned int   uInt;  /* 16 bits or more */
00222 typedef unsigned long  uLong; /* 32 bits or more */
00223 
00224 #ifdef SMALL_MEDIUM
00225    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
00226 #  define Bytef Byte FAR
00227 #else
00228    typedef Byte  FAR Bytef;
00229 #endif
00230 typedef char  FAR charf;
00231 typedef int   FAR intf;
00232 typedef uInt  FAR uIntf;
00233 typedef uLong FAR uLongf;
00234 
00235 #ifdef STDC
00236    typedef void FAR *voidpf;
00237    typedef void     *voidp;
00238 #else
00239    typedef Byte FAR *voidpf;
00240    typedef Byte     *voidp;
00241 #endif
00242 
00243 #ifdef HAVE_UNISTD_H
00244 #  include <sys/types.h> /* for off_t */
00245 #  include <unistd.h>    /* for SEEK_* and off_t */
00246 #  define z_off_t  off_t
00247 #endif
00248 #ifndef SEEK_SET
00249 #  define SEEK_SET        0       /* Seek from beginning of file.  */
00250 #  define SEEK_CUR        1       /* Seek from current position.  */
00251 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
00252 #endif
00253 #ifndef z_off_t
00254 #  define  z_off_t long
00255 #endif
00256 
00257 /* MVS linker does not support external names larger than 8 bytes */
00258 #if defined(__MVS__)
00259 #   pragma map(deflateInit_,"DEIN")
00260 #   pragma map(deflateInit2_,"DEIN2")
00261 #   pragma map(deflateEnd,"DEEND")
00262 #   pragma map(inflateInit_,"ININ")
00263 #   pragma map(inflateInit2_,"ININ2")
00264 #   pragma map(inflateEnd,"INEND")
00265 #   pragma map(inflateSync,"INSY")
00266 #   pragma map(inflateSetDictionary,"INSEDI")
00267 #   pragma map(inflate_blocks,"INBL")
00268 #   pragma map(inflate_blocks_new,"INBLNE")
00269 #   pragma map(inflate_blocks_free,"INBLFR")
00270 #   pragma map(inflate_blocks_reset,"INBLRE")
00271 #   pragma map(inflate_codes_free,"INCOFR")
00272 #   pragma map(inflate_codes,"INCO")
00273 #   pragma map(inflate_fast,"INFA")
00274 #   pragma map(inflate_flush,"INFLU")
00275 #   pragma map(inflate_mask,"INMA")
00276 #   pragma map(inflate_set_dictionary,"INSEDI2")
00277 #   pragma map(inflate_copyright,"INCOPY")
00278 #   pragma map(inflate_trees_bits,"INTRBI")
00279 #   pragma map(inflate_trees_dynamic,"INTRDY")
00280 #   pragma map(inflate_trees_fixed,"INTRFI")
00281 #   pragma map(inflate_trees_free,"INTRFR")
00282 #endif
00283 
00284 #endif /* _ZCONF_H */
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