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zconf.h

00001 /* zconf.h -- configuration of the zlib compression library
00002  * Copyright (C) 1995-1998 Jean-loup Gailly.
00003  * For conditions of distribution and use, see copyright notice in zlib.h 
00004  */
00005 
00006 /* @(#) $Id: zconf_8h-source.html,v 1.2 2001/10/30 15:10:41 mgruner Exp $ */
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 /*
00064  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
00065  * than 64k bytes at a time (needed on systems with 16-bit int).
00066  */
00067 #if defined(MSDOS) && !defined(__32BIT__)
00068 #  define MAXSEG_64K
00069 #endif
00070 #ifdef MSDOS
00071 #  define UNALIGNED_OK
00072 #endif
00073 
00074 #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32))  && !defined(STDC)
00075 #  define STDC
00076 #endif
00077 #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
00078 #  ifndef STDC
00079 #    define STDC
00080 #  endif
00081 #endif
00082 
00083 #ifndef STDC
00084 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
00085 #    define const
00086 #  endif
00087 #endif
00088 
00089 /* Some Mac compilers merge all .h files incorrectly: */
00090 #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
00091 #  define NO_DUMMY_DECL
00092 #endif
00093 
00094 /* Old Borland C incorrectly complains about missing returns: */
00095 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
00096 #  define NEED_DUMMY_RETURN
00097 #endif
00098 
00099 
00100 /* Maximum value for memLevel in deflateInit2 */
00101 #ifndef MAX_MEM_LEVEL
00102 #  ifdef MAXSEG_64K
00103 #    define MAX_MEM_LEVEL 8
00104 #  else
00105 #    define MAX_MEM_LEVEL 9
00106 #  endif
00107 #endif
00108 
00109 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
00110  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
00111  * created by gzip. (Files created by minigzip can still be extracted by
00112  * gzip.)
00113  */
00114 #ifndef MAX_WBITS
00115 #  define MAX_WBITS   15 /* 32K LZ77 window */
00116 #endif
00117 
00118 /* The memory requirements for deflate are (in bytes):
00119             (1 << (windowBits+2)) +  (1 << (memLevel+9))
00120  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
00121  plus a few kilobytes for small objects. For example, if you want to reduce
00122  the default memory requirements from 256K to 128K, compile with
00123      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
00124  Of course this will generally degrade compression (there's no free lunch).
00125 
00126    The memory requirements for inflate are (in bytes) 1 << windowBits
00127  that is, 32K for windowBits=15 (default value) plus a few kilobytes
00128  for small objects.
00129 */
00130 
00131                         /* Type declarations */
00132 
00133 #ifndef OF /* function prototypes */
00134 #  ifdef STDC
00135 #    define OF(args)  args
00136 #  else
00137 #    define OF(args)  ()
00138 #  endif
00139 #endif
00140 
00141 /* The following definitions for FAR are needed only for MSDOS mixed
00142  * model programming (small or medium model with some far allocations).
00143  * This was tested only with MSC; for other MSDOS compilers you may have
00144  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
00145  * just define FAR to be empty.
00146  */
00147 #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
00148    /* MSC small or medium model */
00149 #  define SMALL_MEDIUM
00150 #  ifdef _MSC_VER
00151 #    define FAR _far
00152 #  else
00153 #    define FAR far
00154 #  endif
00155 #endif
00156 #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
00157 #  ifndef __32BIT__
00158 #    define SMALL_MEDIUM
00159 #    define FAR _far
00160 #  endif
00161 #endif
00162 
00163 /* Compile with -DZLIB_DLL for Windows DLL support */
00164 #if defined(ZLIB_DLL)
00165 #  if defined(_WINDOWS) || defined(WINDOWS)
00166 #    ifdef FAR
00167 #      undef FAR
00168 #    endif
00169 #    include <windows.h>
00170 #    define ZEXPORT  WINAPI
00171 #    ifdef WIN32
00172 #      define ZEXPORTVA  WINAPIV
00173 #    else
00174 #      define ZEXPORTVA  FAR _cdecl _export
00175 #    endif
00176 #  endif
00177 #  if defined (__BORLANDC__)
00178 #    if (__BORLANDC__ >= 0x0500) && defined (WIN32)
00179 #      include <windows.h>
00180 #      define ZEXPORT __declspec(dllexport) WINAPI
00181 #      define ZEXPORTRVA __declspec(dllexport) WINAPIV
00182 #    else
00183 #      if defined (_Windows) && defined (__DLL__)
00184 #        define ZEXPORT _export
00185 #        define ZEXPORTVA _export
00186 #      endif
00187 #    endif
00188 #  endif
00189 #endif
00190 
00191 #if defined (__BEOS__)
00192 #  if defined (ZLIB_DLL)
00193 #    define ZEXTERN extern __declspec(dllexport)
00194 #  else
00195 #    define ZEXTERN extern __declspec(dllimport)
00196 #  endif
00197 #endif
00198 
00199 #ifndef ZEXPORT
00200 #  define ZEXPORT
00201 #endif
00202 #ifndef ZEXPORTVA
00203 #  define ZEXPORTVA
00204 #endif
00205 #ifndef ZEXTERN
00206 #  define ZEXTERN extern
00207 #endif
00208 
00209 #ifndef FAR
00210 #   define FAR
00211 #endif
00212 
00213 #if !defined(MACOS) && !defined(TARGET_OS_MAC) && !defined(VCL)
00214 typedef unsigned char  Byte;  /* 8 bits */
00215 #endif
00216 typedef unsigned int   uInt;  /* 16 bits or more */
00217 typedef unsigned long  uLong; /* 32 bits or more */
00218 
00219 #ifdef SMALL_MEDIUM
00220    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
00221 #  define Bytef Byte FAR
00222 #else
00223    typedef Byte  FAR Bytef;
00224 #endif
00225 typedef char  FAR charf;
00226 typedef int   FAR intf;
00227 typedef uInt  FAR uIntf;
00228 typedef uLong FAR uLongf;
00229 
00230 #ifdef STDC
00231    typedef void FAR *voidpf;
00232    typedef void     *voidp;
00233 #else
00234    typedef Byte FAR *voidpf;
00235    typedef Byte     *voidp;
00236 #endif
00237 
00238 #ifdef HAVE_UNISTD_H
00239 #  include <sys/types.h> /* for off_t */
00240 #  include <unistd.h>    /* for SEEK_* and off_t */
00241 #  define z_off_t  off_t
00242 #endif
00243 #ifndef SEEK_SET
00244 #  define SEEK_SET        0       /* Seek from beginning of file.  */
00245 #  define SEEK_CUR        1       /* Seek from current position.  */
00246 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
00247 #endif
00248 #ifndef z_off_t
00249 #  define  z_off_t long
00250 #endif
00251 
00252 /* MVS linker does not support external names larger than 8 bytes */
00253 #if defined(__MVS__)
00254 #   pragma map(deflateInit_,"DEIN")
00255 #   pragma map(deflateInit2_,"DEIN2")
00256 #   pragma map(deflateEnd,"DEEND")
00257 #   pragma map(inflateInit_,"ININ")
00258 #   pragma map(inflateInit2_,"ININ2")
00259 #   pragma map(inflateEnd,"INEND")
00260 #   pragma map(inflateSync,"INSY")
00261 #   pragma map(inflateSetDictionary,"INSEDI")
00262 #   pragma map(inflate_blocks,"INBL")
00263 #   pragma map(inflate_blocks_new,"INBLNE")
00264 #   pragma map(inflate_blocks_free,"INBLFR")
00265 #   pragma map(inflate_blocks_reset,"INBLRE")
00266 #   pragma map(inflate_codes_free,"INCOFR")
00267 #   pragma map(inflate_codes,"INCO")
00268 #   pragma map(inflate_fast,"INFA")
00269 #   pragma map(inflate_flush,"INFLU")
00270 #   pragma map(inflate_mask,"INMA")
00271 #   pragma map(inflate_set_dictionary,"INSEDI2")
00272 #   pragma map(inflate_copyright,"INCOPY")
00273 #   pragma map(inflate_trees_bits,"INTRBI")
00274 #   pragma map(inflate_trees_dynamic,"INTRDY")
00275 #   pragma map(inflate_trees_fixed,"INTRFI")
00276 #   pragma map(inflate_trees_free,"INTRFR")
00277 #endif
00278 
00279 #endif /* _ZCONF_H */

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