1/* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-1998 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6/* @(#) $Id: zconf.h 241182 2011-02-17 21:50:03Z $ */ 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 30# define inflateSyncPoint z_inflateSyncPoint 31# define inflateReset z_inflateReset 32# define compress z_compress 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 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 94/* Old Borland C incorrectly complains about missing returns: */ 95#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) 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 108 109/* 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): 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# if defined(STDC) || defined(_CFE_) 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 162 163/* Compile with -DZLIB_DLL for Windows DLL support */ 164#if defined(ZLIB_DLL) 165# if defined(_WINDOWS) || defined(WINDOWS) 166# ifdef FAR 167# undef FAR 168# endif 169# include <windows.h> 170# define ZEXPORT WINAPI 171# ifdef WIN32 172# define ZEXPORTVA WINAPIV 173# else 174# define ZEXPORTVA FAR _cdecl _export 175# endif 176# endif 177# if defined(__BORLANDC__) 178# if (__BORLANDC__ >= 0x0500) && defined(WIN32) 179# include <windows.h> 180# define ZEXPORT __declspec(dllexport) WINAPI 181# define ZEXPORTRVA __declspec(dllexport) WINAPIV 182# else 183# if defined(_Windows) && defined(__DLL__) 184# define ZEXPORT _export 185# define ZEXPORTVA _export 186# endif 187# endif 188# endif 189#endif 190 191#if defined(__BEOS__) 192# if defined(ZLIB_DLL) 193# define ZEXTERN extern __declspec(dllexport) 194# else 195# define ZEXTERN extern __declspec(dllimport) 196# endif 197#endif 198 199#ifndef ZEXPORT 200# define ZEXPORT 201#endif 202#ifndef ZEXPORTVA 203# define ZEXPORTVA 204#endif 205#ifndef ZEXTERN 206# define ZEXTERN extern 207#endif 208 209#ifndef FAR 210# define FAR 211#endif 212 213#if !defined(MACOS) && !defined(TARGET_OS_MAC) 214typedef unsigned char Byte; /* 8 bits */ 215#endif 216typedef unsigned int uInt; /* 16 bits or more */ 217typedef unsigned long uLong; /* 32 bits or more */ 218 219#ifdef SMALL_MEDIUM 220 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 221# define Bytef Byte FAR 222#else 223 typedef Byte FAR Bytef; 224#endif 225typedef char FAR charf; 226typedef int FAR intf; 227typedef uInt FAR uIntf; 228typedef uLong FAR uLongf; 229 230#ifdef STDC 231 typedef void FAR *voidpf; 232 typedef void *voidp; 233#else 234 typedef Byte FAR *voidpf; 235 typedef Byte *voidp; 236#endif 237 238#ifdef HAVE_UNISTD_H 239# include <sys/types.h> /* for off_t */ 240# include <unistd.h> /* for SEEK_* and off_t */ 241# define z_off_t off_t 242#endif 243#ifndef SEEK_SET 244# define SEEK_SET 0 /* Seek from beginning of file. */ 245# define SEEK_CUR 1 /* Seek from current position. */ 246# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 247#endif 248#ifndef z_off_t 249# define z_off_t long 250#endif 251 252/* MVS linker does not support external names larger than 8 bytes */ 253#if defined(__MVS__) 254# pragma map(deflateInit_,"DEIN") 255# pragma map(deflateInit2_,"DEIN2") 256# pragma map(deflateEnd,"DEEND") 257# pragma map(inflateInit_,"ININ") 258# pragma map(inflateInit2_,"ININ2") 259# pragma map(inflateEnd,"INEND") 260# pragma map(inflateSync,"INSY") 261# pragma map(inflateSetDictionary,"INSEDI") 262# pragma map(inflate_blocks,"INBL") 263# pragma map(inflate_blocks_new,"INBLNE") 264# pragma map(inflate_blocks_free,"INBLFR") 265# pragma map(inflate_blocks_reset,"INBLRE") 266# pragma map(inflate_codes_free,"INCOFR") 267# pragma map(inflate_codes,"INCO") 268# pragma map(inflate_fast,"INFA") 269# pragma map(inflate_flush,"INFLU") 270# pragma map(inflate_mask,"INMA") 271# pragma map(inflate_set_dictionary,"INSEDI2") 272# pragma map(inflate_copyright,"INCOPY") 273# pragma map(inflate_trees_bits,"INTRBI") 274# pragma map(inflate_trees_dynamic,"INTRDY") 275# pragma map(inflate_trees_fixed,"INTRFI") 276# pragma map(inflate_trees_free,"INTRFR") 277#endif 278 279#endif /* _ZCONF_H */ 280