1/* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2002 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6/* @(#) $Id$ */ 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/* WinCE doesn't have errno.h */ 64#ifdef _WIN32_WCE 65# define NO_ERRNO_H 66#endif 67 68 69/* 70 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 71 * than 64k bytes at a time (needed on systems with 16-bit int). 72 */ 73#if defined(MSDOS) && !defined(__32BIT__) 74# define MAXSEG_64K 75#endif 76#ifdef MSDOS 77# define UNALIGNED_OK 78#endif 79 80#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) 81# define STDC 82#endif 83#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) 84# ifndef STDC 85# define STDC 86# endif 87#endif 88 89#ifndef STDC 90# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 91# define const 92# endif 93#endif 94 95/* Some Mac compilers merge all .h files incorrectly: */ 96#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) 97# define NO_DUMMY_DECL 98#endif 99 100/* Old Borland C and LCC incorrectly complains about missing returns: */ 101#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) 102# define NEED_DUMMY_RETURN 103#endif 104 105#if defined(__LCC__) 106# define NEED_DUMMY_RETURN 107#endif 108 109/* Maximum value for memLevel in deflateInit2 */ 110#ifndef MAX_MEM_LEVEL 111# ifdef MAXSEG_64K 112# define MAX_MEM_LEVEL 8 113# else 114# define MAX_MEM_LEVEL 9 115# endif 116#endif 117 118/* Maximum value for windowBits in deflateInit2 and inflateInit2. 119 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 120 * created by gzip. (Files created by minigzip can still be extracted by 121 * gzip.) 122 */ 123#ifndef MAX_WBITS 124# define MAX_WBITS 15 /* 32K LZ77 window */ 125#endif 126 127/* The memory requirements for deflate are (in bytes): 128 (1 << (windowBits+2)) + (1 << (memLevel+9)) 129 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 130 plus a few kilobytes for small objects. For example, if you want to reduce 131 the default memory requirements from 256K to 128K, compile with 132 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 133 Of course this will generally degrade compression (there's no free lunch). 134 135 The memory requirements for inflate are (in bytes) 1 << windowBits 136 that is, 32K for windowBits=15 (default value) plus a few kilobytes 137 for small objects. 138*/ 139 140 /* Type declarations */ 141 142#ifndef OF /* function prototypes */ 143# ifdef STDC 144# define OF(args) args 145# else 146# define OF(args) () 147# endif 148#endif 149 150/* The following definitions for FAR are needed only for MSDOS mixed 151 * model programming (small or medium model with some far allocations). 152 * This was tested only with MSC; for other MSDOS compilers you may have 153 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 154 * just define FAR to be empty. 155 */ 156#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) 157 /* MSC small or medium model */ 158# define SMALL_MEDIUM 159# ifdef _MSC_VER 160# define FAR _far 161# else 162# define FAR far 163# endif 164#endif 165#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) 166# ifndef __32BIT__ 167# define SMALL_MEDIUM 168# define FAR _far 169# endif 170#endif 171 172/* Compile with -DZLIB_DLL for Windows DLL support */ 173#if defined(ZLIB_DLL) 174# if defined(_WINDOWS) || defined(WINDOWS) 175# ifdef FAR 176# undef FAR 177# endif 178# include <windows.h> 179# define ZEXPORT(x) x WINAPI 180# ifdef WIN32 181# define ZEXPORTVA(x) x WINAPIV 182# else 183# define ZEXPORTVA(x) x FAR _cdecl _export 184# endif 185# endif 186# if defined (__BORLANDC__) 187# if (__BORLANDC__ >= 0x0500) && defined (WIN32) 188# include <windows.h> 189# define ZEXPORT(x) x __declspec(dllexport) WINAPI 190# define ZEXPORTRVA(x) x __declspec(dllexport) WINAPIV 191# else 192# if defined (_Windows) && defined (__DLL__) 193# define ZEXPORT(x) x _export 194# define ZEXPORTVA(x) x _export 195# endif 196# endif 197# endif 198#endif 199 200 201#ifndef ZEXPORT 202# define ZEXPORT(x) static x 203#endif 204#ifndef ZEXPORTVA 205# define ZEXPORTVA(x) static x 206#endif 207#ifndef ZEXTERN 208# define ZEXTERN(x) static x 209#endif 210#ifndef ZEXTERNDEF 211# define ZEXTERNDEF(x) static x 212#endif 213 214#ifndef FAR 215# define FAR 216#endif 217 218#if !defined(MACOS) && !defined(TARGET_OS_MAC) 219typedef unsigned char Byte; /* 8 bits */ 220#endif 221typedef unsigned int uInt; /* 16 bits or more */ 222typedef unsigned long uLong; /* 32 bits or more */ 223 224#ifdef SMALL_MEDIUM 225 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 226# define Bytef Byte FAR 227#else 228 typedef Byte FAR Bytef; 229#endif 230typedef char FAR charf; 231typedef int FAR intf; 232typedef uInt FAR uIntf; 233typedef uLong FAR uLongf; 234 235#ifdef STDC 236 typedef void FAR *voidpf; 237 typedef void *voidp; 238#else 239 typedef Byte FAR *voidpf; 240 typedef Byte *voidp; 241#endif 242 243#ifdef HAVE_UNISTD_H 244# include <sys/types.h> /* for off_t */ 245# include <unistd.h> /* for SEEK_* and off_t */ 246# define z_off_t off_t 247#endif 248#ifndef SEEK_SET 249# define SEEK_SET 0 /* Seek from beginning of file. */ 250# define SEEK_CUR 1 /* Seek from current position. */ 251# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 252#endif 253#ifndef z_off_t 254# define z_off_t long 255#endif 256 257/* MVS linker does not support external names larger than 8 bytes */ 258#if defined(__MVS__) 259# pragma map(deflateInit_,"DEIN") 260# pragma map(deflateInit2_,"DEIN2") 261# pragma map(deflateEnd,"DEEND") 262# pragma map(inflateInit_,"ININ") 263# pragma map(inflateInit2_,"ININ2") 264# pragma map(inflateEnd,"INEND") 265# pragma map(inflateSync,"INSY") 266# pragma map(inflateSetDictionary,"INSEDI") 267# pragma map(inflate_blocks,"INBL") 268# pragma map(inflate_blocks_new,"INBLNE") 269# pragma map(inflate_blocks_free,"INBLFR") 270# pragma map(inflate_blocks_reset,"INBLRE") 271# pragma map(inflate_codes_free,"INCOFR") 272# pragma map(inflate_codes,"INCO") 273# pragma map(inflate_fast,"INFA") 274# pragma map(inflate_flush,"INFLU") 275# pragma map(inflate_mask,"INMA") 276# pragma map(inflate_set_dictionary,"INSEDI2") 277# pragma map(inflate_copyright,"INCOPY") 278# pragma map(inflate_trees_bits,"INTRBI") 279# pragma map(inflate_trees_dynamic,"INTRDY") 280# pragma map(inflate_trees_fixed,"INTRFI") 281# pragma map(inflate_trees_free,"INTRFR") 282#endif 283 284#endif /* _ZCONF_H */ 285