zlib/zconf.h

/* zconf.h -- configuration of the zlib compression library
 * Copyright (C) 1995-1996 Jean-loup Gailly.
 * For conditions of distribution and use, see copyright notice in zlib.h 
 */

/* $Id: zconf.h,v 1.12 1995/05/03 17:27:12 jloup Exp $ */

#ifndef _ZCONF_H
#define _ZCONF_H

/*
 * People prefering a unique prefix for all types and library functions
 * should compile with -DZ_PREFIX
 */
#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 deflateCopy	z_deflateCopy
#  define deflateReset	z_deflateReset
#  define deflateParams	z_deflateParams
#  define inflateInit2_	z_inflateInit2_
#  define inflateSync	z_inflateSync
#  define inflateReset	z_inflateReset
#  define compress	z_compress
#  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(__32BIT__)
#  define __32BIT__
#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(STDC)
#  define STDC
#endif

#if !defined(STDC) && !defined(const)
#  define const
#endif

#ifdef	__MWERKS__ /* Metrowerks CodeWarrior declares fileno() in unix.h */
#  include <unix.h>
#  define Byte _Byte /* Byte already used on Mac */
#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 */
#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) /* 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__))
#    define SMALL_MEDIUM
#    define FAR __far
#endif
#ifndef FAR
#   define FAR
#endif
/* The Watcom compiler defines M_I86SM and __SMALL__ even in 32 bit mode */
#if defined(__WATCOMC__) && defined(__386__)
#  undef FAR
#  undef SMALL_MEDIUM
#endif

typedef unsigned char  Byte;  /* 8 bits */
typedef unsigned int   uInt;  /* 16 bits or more */
typedef unsigned long  uLong; /* 32 bits or more */

typedef Byte  FAR Bytef;
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

#endif /* _ZCONF_H */