/*
 * zconf.h -- configuration of the zlib compression library
 * * Copyright (C) 1995-2002 Jean-loup Gailly.
 * * For conditions of distribution and use, see copyright notice in zlib.h
 */

/*
 * @(#) $Id$ 
 */

#ifndef _ZCONF_H
#  define _ZCONF_H

/*
 * If you *really* need a unique prefix for all types and library functions,
 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
 */
#  ifdef Z_PREFIX
#    define deflateInit_	z_deflateInit_
#    define deflate	z_deflate
#    define deflateEnd	z_deflateEnd
#    define inflateInit_ 	z_inflateInit_
#    define inflate	z_inflate
#    define inflateEnd	z_inflateEnd
#    define deflateInit2_	z_deflateInit2_
#    define deflateSetDictionary z_deflateSetDictionary
#    define deflateCopy	z_deflateCopy
#    define deflateReset	z_deflateReset
#    define deflateParams	z_deflateParams
#    define inflateInit2_	z_inflateInit2_
#    define inflateSetDictionary z_inflateSetDictionary
#    define inflateSync	z_inflateSync
#    define inflateSyncPoint z_inflateSyncPoint
#    define inflateReset	z_inflateReset
#    define compress	z_compress
#    define compress2	z_compress2
#    define uncompress	z_uncompress
#    define adler32	z_adler32
#    define crc32		z_crc32
#    define get_crc_table z_get_crc_table

#    define Byte		z_Byte
#    define uInt		z_uInt
#    define uLong		z_uLong
#    define Bytef	        z_Bytef
#    define charf		z_charf
#    define intf		z_intf
#    define uIntf		z_uIntf
#    define uLongf	z_uLongf
#    define voidpf	z_voidpf
#    define voidp		z_voidp
#  endif

#  if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
#    define WIN32
#  endif
#  if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
#    ifndef __32BIT__
#      define __32BIT__
#    endif
#  endif
#  if defined(__MSDOS__) && !defined(MSDOS)
#    define MSDOS
#  endif

/*
 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
 * than 64k bytes at a time (needed on systems with 16-bit int).
 */
#  if defined(MSDOS) && !defined(__32BIT__)
#    define MAXSEG_64K
#  endif
#  ifdef MSDOS
#    define UNALIGNED_OK
#  endif

#  if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32))  && !defined(STDC)
#    define STDC
#  endif
#  if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
#    ifndef STDC
#      define STDC
#    endif
#  endif

#  ifndef STDC
#    ifndef const                      /* cannot use !defined(STDC) && !defined(const) on Mac */
#      define const
#    endif
#  endif

/*
 * Some Mac compilers merge all .h files incorrectly: 
 */
#  if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
#    define NO_DUMMY_DECL
#  endif

/*
 * Old Borland C incorrectly complains about missing returns: 
 */
#  if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
#    define NEED_DUMMY_RETURN
#  endif

/*
 * Maximum value for memLevel in deflateInit2 
 */
#  ifndef MAX_MEM_LEVEL
#    ifdef MAXSEG_64K
#      define MAX_MEM_LEVEL 8
#    else
#      define MAX_MEM_LEVEL 9
#    endif
#  endif

/*
 * Maximum value for windowBits in deflateInit2 and inflateInit2.
 * * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 * * created by gzip. (Files created by minigzip can still be extracted by
 * * gzip.)
 */
#  ifndef MAX_WBITS
#    define MAX_WBITS   15             /* 32K LZ77 window */
#  endif

/*
 * The memory requirements for deflate are (in bytes):
 * (1 << (windowBits+2)) +  (1 << (memLevel+9))
 * that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 * plus a few kilobytes for small objects. For example, if you want to reduce
 * the default memory requirements from 256K to 128K, compile with
 * make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 * Of course this will generally degrade compression (there's no free lunch).
 * 
 * The memory requirements for inflate are (in bytes) 1 << windowBits
 * that is, 32K for windowBits=15 (default value) plus a few kilobytes
 * for small objects.
 */

                        /*
                         * Type declarations 
                         */

#  ifndef OF                           /* function prototypes */
#    ifdef STDC
#      define OF(args)  args
#    else
#      define OF(args)  ()
#    endif
#  endif

/*
 * The following definitions for FAR are needed only for MSDOS mixed
 * * model programming (small or medium model with some far allocations).
 * * This was tested only with MSC; for other MSDOS compilers you may have
 * * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 * * just define FAR to be empty.
 */
#  if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
   /*
    * MSC small or medium model 
    */
#    define SMALL_MEDIUM
#    ifdef _MSC_VER
#      define FAR _far
#    else
#      define FAR far
#    endif
#  endif
#  if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
#    ifndef __32BIT__
#      define SMALL_MEDIUM
#      define FAR _far
#    endif
#  endif

/*
 * Compile with -DZLIB_DLL for Windows DLL support 
 */
#  if defined(ZLIB_DLL)
#    if defined(_WINDOWS) || defined(WINDOWS)
#      ifdef FAR
#        undef FAR
#      endif
#      include <windows.h>
#      define ZEXPORT  WINAPI
#      ifdef WIN32
#        define ZEXPORTVA  WINAPIV
#      else
#        define ZEXPORTVA  FAR _cdecl _export
#      endif
#    endif
#    if defined (__BORLANDC__)
#      if (__BORLANDC__ >= 0x0500) && defined (WIN32)
#        include <windows.h>
#        define ZEXPORT __declspec(dllexport) WINAPI
#        define ZEXPORTRVA __declspec(dllexport) WINAPIV
#      else
#        if defined (_Windows) && defined (__DLL__)
#          define ZEXPORT _export
#          define ZEXPORTVA _export
#        endif
#      endif
#    endif
#  endif

#  if defined (__BEOS__)
#    if defined (ZLIB_DLL)
#      define ZEXTERN extern __declspec(dllexport)
#    else
#      define ZEXTERN extern __declspec(dllimport)
#    endif
#  endif

#  ifndef ZEXPORT
#    define ZEXPORT
#  endif
#  ifndef ZEXPORTVA
#    define ZEXPORTVA
#  endif
#  ifndef ZEXTERN
#    define ZEXTERN extern
#  endif

#  ifndef FAR
#    define FAR
#  endif

#  if !defined(MACOS) && !defined(TARGET_OS_MAC)
typedef unsigned char Byte;            /* 8 bits */
#  endif
typedef unsigned int uInt;             /* 16 bits or more */
typedef unsigned long uLong;           /* 32 bits or more */

#  ifdef SMALL_MEDIUM
   /*
    * Borland C/C++ and some old MSC versions ignore FAR inside typedef 
    */
#    define Bytef Byte FAR
#  else
typedef Byte FAR Bytef;
#  endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;

#  ifdef STDC
typedef void FAR *voidpf;
typedef void *voidp;
#  else
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#  endif

#  ifdef HAVE_UNISTD_H
#    include <sys/types.h>             /* for off_t */
#    include <unistd.h>                /* for SEEK_* and off_t */
#    define z_off_t  off_t
#  endif
#  ifndef SEEK_SET
#    define SEEK_SET        0          /* Seek from beginning of file.  */
#    define SEEK_CUR        1          /* Seek from current position.  */
#    define SEEK_END        2          /* Set file pointer to EOF plus "offset" */
#  endif
#  ifndef z_off_t
#    define  z_off_t long
#  endif

/*
 * MVS linker does not support external names larger than 8 bytes 
 */
#  if defined(__MVS__)
#    pragma map(deflateInit_,"DEIN")
#    pragma map(deflateInit2_,"DEIN2")
#    pragma map(deflateEnd,"DEEND")
#    pragma map(inflateInit_,"ININ")
#    pragma map(inflateInit2_,"ININ2")
#    pragma map(inflateEnd,"INEND")
#    pragma map(inflateSync,"INSY")
#    pragma map(inflateSetDictionary,"INSEDI")
#    pragma map(inflate_blocks,"INBL")
#    pragma map(inflate_blocks_new,"INBLNE")
#    pragma map(inflate_blocks_free,"INBLFR")
#    pragma map(inflate_blocks_reset,"INBLRE")
#    pragma map(inflate_codes_free,"INCOFR")
#    pragma map(inflate_codes,"INCO")
#    pragma map(inflate_fast,"INFA")
#    pragma map(inflate_flush,"INFLU")
#    pragma map(inflate_mask,"INMA")
#    pragma map(inflate_set_dictionary,"INSEDI2")
#    pragma map(inflate_copyright,"INCOPY")
#    pragma map(inflate_trees_bits,"INTRBI")
#    pragma map(inflate_trees_dynamic,"INTRDY")
#    pragma map(inflate_trees_fixed,"INTRFI")
#    pragma map(inflate_trees_free,"INTRFR")
#  endif

#endif                                 /* _ZCONF_H */
