/*
 * $Logfile: /DescentIII/Main/unzip/zconf.h $
 * $Revision: 2 $
 * $Date: 8/13/99 8:02p $
 * $Author: Jeff $
 *
 * <insert description of file here>
 *
 * $Log: /DescentIII/Main/unzip/zconf.h $
 *
 * 2     8/13/99 8:02p Jeff
 * initial creation of zip class
 *
 * $NoKeywords: $
 */

/* zconf.h -- configuration of the zlib compression library
 * Copyright (C) 1995-1998 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 */