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/* 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 |
*/ |
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/* @(#) $Id$ */ |
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#ifndef _ZCONF_H |
#define _ZCONF_H |
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/* |
* 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 |
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# 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 |
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#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 |
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/* |
* 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 |
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#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 |
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#ifndef STDC |
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ |
# define const |
# endif |
#endif |
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/* Some Mac compilers merge all .h files incorrectly: */ |
#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) |
# define NO_DUMMY_DECL |
#endif |
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/* Old Borland C incorrectly complains about missing returns: */ |
#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) |
# define NEED_DUMMY_RETURN |
#endif |
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/* 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 |
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/* 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 |
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/* 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). |
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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. |
*/ |
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/* Type declarations */ |
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#ifndef OF /* function prototypes */ |
# ifdef STDC |
# define OF(args) args |
# else |
# define OF(args) () |
# endif |
#endif |
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/* 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 |
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/* 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 |
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#if defined (__BEOS__) |
# if defined (ZLIB_DLL) |
# define ZEXTERN extern __declspec(dllexport) |
# else |
# define ZEXTERN extern __declspec(dllimport) |
# endif |
#endif |
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#ifndef ZEXPORT |
# define ZEXPORT |
#endif |
#ifndef ZEXPORTVA |
# define ZEXPORTVA |
#endif |
#ifndef ZEXTERN |
# define ZEXTERN extern |
#endif |
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#ifndef FAR |
# define FAR |
#endif |
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#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 */ |
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#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; |
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#ifdef STDC |
typedef void FAR *voidpf; |
typedef void *voidp; |
#else |
typedef Byte FAR *voidpf; |
typedef Byte *voidp; |
#endif |
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#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 |
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/* 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 |
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#endif /* _ZCONF_H */ |