/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#ifndef ZCONF_H
#define ZCONF_H
#if _PACKAGE_ast
#include <ast_std.h> /* for { _WINIX __IMPORT__ __EXPORT__ } */
#if _typ_int64_t
#endif
#else
#endif
#endif
#if _BLD_z && defined(__EXPORT__)
#define ZEXPORT
#endif
/*
* 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
#endif
#if defined(__MSDOS__) || defined(ZLIB_MSDOS)
# define ZLIB_MSDOS
#endif
# define ZLIB_OS2
#endif
#if defined(_WINDOWS) || defined(ZLIB_WINDOWS)
# define ZLIB_WINDOWS
#endif
# define ZLIB_WIN32
#endif
# ifndef ZLIB_SYS16BIT
# define ZLIB_SYS16BIT
# endif
# endif
#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).
*/
#ifdef ZLIB_SYS16BIT
# define MAXSEG_64K
#endif
#ifdef ZLIB_MSDOS
# define UNALIGNED_OK
#endif
#ifdef __STDC_VERSION__
# ifndef ZLIB_STDC
# define ZLIB_STDC
# endif
# if __STDC_VERSION__ >= 199901L
# ifndef ZLIB_STDC99
# define ZLIB_STDC99
# endif
# endif
#endif
# define ZLIB_STDC
#endif
# define ZLIB_STDC
#endif
# define ZLIB_STDC
#endif
# define ZLIB_STDC
#endif
# define ZLIB_STDC
#endif
#ifndef ZLIB_STDC
# ifndef const /* cannot use !defined(ZLIB_STDC) && !defined(const) on Mac */
# define const /* note: need a more gentle solution here */
# endif
#endif
/* Some Mac compilers merge all .h files incorrectly: */
# define NO_DUMMY_DECL
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# else
# 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
#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 ZLIB_STDC
# else
# endif
#endif
/* The following definitions for FAR are needed only for ZLIB_MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other ZLIB_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.
*/
#ifdef ZLIB_SYS16BIT
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# else
# endif
# endif
# if (defined(__SMALL__) || defined(__MEDIUM__))
/* Turbo C small or medium model */
# define SMALL_MEDIUM
# ifdef __BORLANDC__
# else
# endif
# endif
#endif
#if defined(ZLIB_WINDOWS) || defined(ZLIB_WIN32)
/* If building or using zlib as a DLL, define ZLIB_DLL.
* This is not mandatory, but it offers a little performance increase.
*/
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# else
# endif
# endif
# endif /* ZLIB_DLL */
* define ZLIB_WINAPI.
* Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
*/
# ifdef ZLIB_WINAPI
# ifdef FAR
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# ifdef ZLIB_WIN32
# else
# endif
# endif
#endif
#if defined (__BEOS__)
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# else
# endif
# endif
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(__MACTYPES__)
#endif
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
#else
#endif
#ifdef ZLIB_STDC
typedef void const *voidpc;
typedef void *voidp;
#else
#endif
#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
# endif
#endif
#ifndef SEEK_SET
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif
#if defined(__MVS__)
# define NO_vsnprintf
# if 0 /* don't know what mvs zlib was smoking */
# ifdef FAR
# endif
# endif
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
#endif
#endif /* ZCONF_H */