1/* zconf.h -- configuration of the zlib compression library
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2 * Copyright (C) 1995-1996 Jean-loup Gailly.
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2 * Copyright (C) 1995-1998 Jean-loup Gailly. |
3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5
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6/* $FreeBSD: head/lib/libz/zconf.h 21673 1997-01-14 07:20:47Z jkh $ */
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6/* $FreeBSD: head/lib/libz/zconf.h 33908 1998-02-28 06:08:17Z steve $ */ |
7 8#ifndef _ZCONF_H 9#define _ZCONF_H 10 11/* 12 * If you *really* need a unique prefix for all types and library functions, 13 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 14 */ 15#ifdef Z_PREFIX 16# define deflateInit_ z_deflateInit_ 17# define deflate z_deflate 18# define deflateEnd z_deflateEnd 19# define inflateInit_ z_inflateInit_ 20# define inflate z_inflate 21# define inflateEnd z_inflateEnd 22# define deflateInit2_ z_deflateInit2_ 23# define deflateSetDictionary z_deflateSetDictionary 24# define deflateCopy z_deflateCopy 25# define deflateReset z_deflateReset 26# define deflateParams z_deflateParams 27# define inflateInit2_ z_inflateInit2_ 28# define inflateSetDictionary z_inflateSetDictionary 29# define inflateSync z_inflateSync
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30# define inflateSyncPoint z_inflateSyncPoint |
31# define inflateReset z_inflateReset 32# define compress z_compress
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33# define compress2 z_compress2 |
34# define uncompress z_uncompress 35# define adler32 z_adler32 36# define crc32 z_crc32 37# define get_crc_table z_get_crc_table 38 39# define Byte z_Byte 40# define uInt z_uInt 41# define uLong z_uLong 42# define Bytef z_Bytef 43# define charf z_charf 44# define intf z_intf 45# define uIntf z_uIntf 46# define uLongf z_uLongf 47# define voidpf z_voidpf 48# define voidp z_voidp 49#endif 50 51#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) 52# define WIN32 53#endif 54#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386) 55# ifndef __32BIT__ 56# define __32BIT__ 57# endif 58#endif 59#if defined(__MSDOS__) && !defined(MSDOS) 60# define MSDOS 61#endif 62 63/* 64 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 65 * than 64k bytes at a time (needed on systems with 16-bit int). 66 */ 67#if defined(MSDOS) && !defined(__32BIT__) 68# define MAXSEG_64K 69#endif 70#ifdef MSDOS 71# define UNALIGNED_OK 72#endif 73 74#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) 75# define STDC 76#endif
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75#if (defined(__STDC__) || defined(__cplusplus)) && !defined(STDC)
76# define STDC
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77#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) 78# ifndef STDC 79# define STDC 80# endif |
81#endif 82 83#ifndef STDC 84# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 85# define const 86# endif 87#endif 88 89/* Some Mac compilers merge all .h files incorrectly: */ 90#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) 91# define NO_DUMMY_DECL 92#endif 93
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94/* Borland C incorrectly complains about missing returns: */ 95#if defined(__BORLANDC__) 96# define NEED_DUMMY_RETURN 97#endif 98 99 |
100/* Maximum value for memLevel in deflateInit2 */ 101#ifndef MAX_MEM_LEVEL 102# ifdef MAXSEG_64K 103# define MAX_MEM_LEVEL 8 104# else 105# define MAX_MEM_LEVEL 9 106# endif 107#endif 108
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99/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
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109/* Maximum value for windowBits in deflateInit2 and inflateInit2. 110 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 111 * created by gzip. (Files created by minigzip can still be extracted by 112 * gzip.) 113 */ |
114#ifndef MAX_WBITS 115# define MAX_WBITS 15 /* 32K LZ77 window */ 116#endif 117 118/* The memory requirements for deflate are (in bytes):
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105 1 << (windowBits+2) + 1 << (memLevel+9)
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119 (1 << (windowBits+2)) + (1 << (memLevel+9)) |
120 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 121 plus a few kilobytes for small objects. For example, if you want to reduce 122 the default memory requirements from 256K to 128K, compile with 123 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 124 Of course this will generally degrade compression (there's no free lunch). 125 126 The memory requirements for inflate are (in bytes) 1 << windowBits 127 that is, 32K for windowBits=15 (default value) plus a few kilobytes 128 for small objects. 129*/ 130 131 /* Type declarations */ 132 133#ifndef OF /* function prototypes */ 134# ifdef STDC 135# define OF(args) args 136# else 137# define OF(args) () 138# endif 139#endif 140 141/* The following definitions for FAR are needed only for MSDOS mixed 142 * model programming (small or medium model with some far allocations). 143 * This was tested only with MSC; for other MSDOS compilers you may have 144 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 145 * just define FAR to be empty. 146 */ 147#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) 148 /* MSC small or medium model */ 149# define SMALL_MEDIUM 150# ifdef _MSC_VER 151# define FAR __far 152# else 153# define FAR far 154# endif 155#endif 156#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) 157# ifndef __32BIT__ 158# define SMALL_MEDIUM 159# define FAR __far 160# endif 161#endif
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162 163/* Compile with -DZLIB_DLL for Windows DLL support */ 164#if (defined(_WINDOWS) || defined(WINDOWS)) && defined(ZLIB_DLL) 165# ifdef FAR 166# undef FAR 167# endif 168# include <windows.h> 169# define ZEXPORT WINAPI 170# ifdef WIN32 171# define ZEXPORTVA WINAPIV 172# else 173# define ZEXPORTVA FAR _cdecl _export 174# endif 175#else 176# if defined (__BORLANDC__) && defined (_Windows) && defined (__DLL__) 177# define ZEXPORT _export 178# define ZEXPORTVA _export 179# else 180# define ZEXPORT 181# define ZEXPORTVA 182# endif 183#endif 184 |
185#ifndef FAR 186# define FAR 187#endif 188 189typedef unsigned char Byte; /* 8 bits */ 190typedef unsigned int uInt; /* 16 bits or more */ 191typedef unsigned long uLong; /* 32 bits or more */ 192 193#if defined(__BORLANDC__) && defined(SMALL_MEDIUM) 194 /* Borland C/C++ ignores FAR inside typedef */ 195# define Bytef Byte FAR 196#else 197 typedef Byte FAR Bytef; 198#endif 199typedef char FAR charf; 200typedef int FAR intf; 201typedef uInt FAR uIntf; 202typedef uLong FAR uLongf; 203 204#ifdef STDC 205 typedef void FAR *voidpf; 206 typedef void *voidp; 207#else 208 typedef Byte FAR *voidpf; 209 typedef Byte *voidp; 210#endif 211
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212#ifdef HAVE_UNISTD_H 213# include <sys/types.h> /* for off_t */ 214# include <unistd.h> /* for SEEK_* and off_t */ 215# define z_off_t off_t 216#endif 217#ifndef SEEK_SET 218# define SEEK_SET 0 /* Seek from beginning of file. */ 219# define SEEK_CUR 1 /* Seek from current position. */ 220#endif 221#ifndef z_off_t 222# define z_off_t long 223#endif |
224
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176/* Compile with -DZLIB_DLL for Windows DLL support */
177#if (defined(_WINDOWS) || defined(WINDOWS)) && defined(ZLIB_DLL)
178# include <windows.h>
179# define EXPORT WINAPI
180#else
181# define EXPORT
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225/* MVS linker does not support external names larger than 8 bytes */ 226#if defined(__MVS__) 227# pragma map(deflateInit_,"DEIN") 228# pragma map(deflateInit2_,"DEIN2") 229# pragma map(deflateEnd,"DEEND") 230# pragma map(inflateInit_,"ININ") 231# pragma map(inflateInit2_,"ININ2") 232# pragma map(inflateEnd,"INEND") 233# pragma map(inflateSync,"INSY") 234# pragma map(inflateSetDictionary,"INSEDI") 235# pragma map(inflate_blocks,"INBL") 236# pragma map(inflate_blocks_new,"INBLNE") 237# pragma map(inflate_blocks_free,"INBLFR") 238# pragma map(inflate_blocks_reset,"INBLRE") 239# pragma map(inflate_codes_free,"INCOFR") 240# pragma map(inflate_codes,"INCO") 241# pragma map(inflate_fast,"INFA") 242# pragma map(inflate_flush,"INFLU") 243# pragma map(inflate_mask,"INMA") 244# pragma map(inflate_set_dictionary,"INSEDI2") 245# pragma map(inflate_copyright,"INCOPY") 246# pragma map(inflate_trees_bits,"INTRBI") 247# pragma map(inflate_trees_dynamic,"INTRDY") 248# pragma map(inflate_trees_fixed,"INTRFI") 249# pragma map(inflate_trees_free,"INTRFR") |
250#endif 251 252#endif /* _ZCONF_H */
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