zconf.h revision 131380
117651Speter/* zconf.h -- configuration of the zlib compression library 2131380Stjr * Copyright (C) 1995-2003 Jean-loup Gailly. 3131380Stjr * For conditions of distribution and use, see copyright notice in zlib.h 417651Speter */ 517651Speter 650476Speter/* @(#) $FreeBSD: head/lib/libz/zconf.h 131380 2004-06-30 23:54:46Z tjr $ */ 717651Speter 8131380Stjr#ifndef ZCONF_H 9131380Stjr#define ZCONF_H 1017651Speter 1117651Speter/* 1217651Speter * If you *really* need a unique prefix for all types and library functions, 1317651Speter * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 1417651Speter */ 1517651Speter#ifdef Z_PREFIX 16131380Stjr# define deflateInit_ z_deflateInit_ 17131380Stjr# define deflate z_deflate 18131380Stjr# define deflateEnd z_deflateEnd 19131380Stjr# define inflateInit_ z_inflateInit_ 20131380Stjr# define inflate z_inflate 21131380Stjr# define inflateEnd z_inflateEnd 22131380Stjr# define deflateInit2_ z_deflateInit2_ 2317651Speter# define deflateSetDictionary z_deflateSetDictionary 24131380Stjr# define deflateCopy z_deflateCopy 25131380Stjr# define deflateReset z_deflateReset 26131380Stjr# define deflatePrime z_deflatePrime 27131380Stjr# define deflateParams z_deflateParams 28131380Stjr# define deflateBound z_deflateBound 29131380Stjr# define inflateInit2_ z_inflateInit2_ 3017651Speter# define inflateSetDictionary z_inflateSetDictionary 31131380Stjr# define inflateSync z_inflateSync 3233908Ssteve# define inflateSyncPoint z_inflateSyncPoint 33131380Stjr# define inflateCopy z_inflateCopy 34131380Stjr# define inflateReset z_inflateReset 35131380Stjr# define compress z_compress 36131380Stjr# define compress2 z_compress2 37131380Stjr# define compressBound z_compressBound 38131380Stjr# define uncompress z_uncompress 39131380Stjr# define adler32 z_adler32 40131380Stjr# define crc32 z_crc32 4117651Speter# define get_crc_table z_get_crc_table 4217651Speter 43131380Stjr# define Byte z_Byte 44131380Stjr# define uInt z_uInt 45131380Stjr# define uLong z_uLong 46131380Stjr# define Bytef z_Bytef 47131380Stjr# define charf z_charf 48131380Stjr# define intf z_intf 49131380Stjr# define uIntf z_uIntf 50131380Stjr# define uLongf z_uLongf 51131380Stjr# define voidpf z_voidpf 52131380Stjr# define voidp z_voidp 5317651Speter#endif 5417651Speter 55131380Stjr#if defined(__MSDOS__) && !defined(MSDOS) 56131380Stjr# define MSDOS 57131380Stjr#endif 58131380Stjr#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 59131380Stjr# define OS2 60131380Stjr#endif 61131380Stjr#if defined(_WINDOWS) && !defined(WINDOWS) 62131380Stjr# define WINDOWS 63131380Stjr#endif 6417651Speter#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) 6517651Speter# define WIN32 6617651Speter#endif 67131380Stjr#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 68131380Stjr# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 69131380Stjr# ifndef SYS16BIT 70131380Stjr# define SYS16BIT 71131380Stjr# endif 7217651Speter# endif 7317651Speter#endif 7417651Speter 7517651Speter/* 7617651Speter * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 7717651Speter * than 64k bytes at a time (needed on systems with 16-bit int). 7817651Speter */ 79131380Stjr#ifdef SYS16BIT 8017651Speter# define MAXSEG_64K 8117651Speter#endif 8217651Speter#ifdef MSDOS 8317651Speter# define UNALIGNED_OK 8417651Speter#endif 8517651Speter 86131380Stjr#ifdef __STDC_VERSION__ 8733908Ssteve# ifndef STDC 8833908Ssteve# define STDC 8933908Ssteve# endif 90131380Stjr# if __STDC_VERSION__ >= 199901L 91131380Stjr# ifndef STDC99 92131380Stjr# define STDC99 93131380Stjr# endif 94131380Stjr# endif 9517651Speter#endif 96131380Stjr#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 97131380Stjr# define STDC 98131380Stjr#endif 99131380Stjr#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 100131380Stjr# define STDC 101131380Stjr#endif 102131380Stjr#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 103131380Stjr# define STDC 104131380Stjr#endif 105131380Stjr#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 106131380Stjr# define STDC 107131380Stjr#endif 10817651Speter 109131380Stjr#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 110131380Stjr# define STDC 111131380Stjr#endif 112131380Stjr 11317651Speter#ifndef STDC 11417651Speter# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 115131380Stjr# define const /* note: need a more gentle solution here */ 11617651Speter# endif 11717651Speter#endif 11817651Speter 11917651Speter/* Some Mac compilers merge all .h files incorrectly: */ 120131380Stjr#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 12117651Speter# define NO_DUMMY_DECL 12217651Speter#endif 12317651Speter 12417651Speter/* Maximum value for memLevel in deflateInit2 */ 12517651Speter#ifndef MAX_MEM_LEVEL 12617651Speter# ifdef MAXSEG_64K 12717651Speter# define MAX_MEM_LEVEL 8 12817651Speter# else 12917651Speter# define MAX_MEM_LEVEL 9 13017651Speter# endif 13117651Speter#endif 13217651Speter 13333908Ssteve/* Maximum value for windowBits in deflateInit2 and inflateInit2. 13433908Ssteve * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 13533908Ssteve * created by gzip. (Files created by minigzip can still be extracted by 13633908Ssteve * gzip.) 13733908Ssteve */ 13817651Speter#ifndef MAX_WBITS 13917651Speter# define MAX_WBITS 15 /* 32K LZ77 window */ 14017651Speter#endif 14117651Speter 14217651Speter/* The memory requirements for deflate are (in bytes): 14333908Ssteve (1 << (windowBits+2)) + (1 << (memLevel+9)) 14417651Speter that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 14517651Speter plus a few kilobytes for small objects. For example, if you want to reduce 14617651Speter the default memory requirements from 256K to 128K, compile with 14717651Speter make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 14817651Speter Of course this will generally degrade compression (there's no free lunch). 14917651Speter 15017651Speter The memory requirements for inflate are (in bytes) 1 << windowBits 15117651Speter that is, 32K for windowBits=15 (default value) plus a few kilobytes 15217651Speter for small objects. 15317651Speter*/ 15417651Speter 15517651Speter /* Type declarations */ 15617651Speter 15717651Speter#ifndef OF /* function prototypes */ 15817651Speter# ifdef STDC 15917651Speter# define OF(args) args 16017651Speter# else 16117651Speter# define OF(args) () 16217651Speter# endif 16317651Speter#endif 16417651Speter 16517651Speter/* The following definitions for FAR are needed only for MSDOS mixed 16617651Speter * model programming (small or medium model with some far allocations). 16717651Speter * This was tested only with MSC; for other MSDOS compilers you may have 16817651Speter * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 16917651Speter * just define FAR to be empty. 17017651Speter */ 171131380Stjr#ifdef SYS16BIT 172131380Stjr# if defined(M_I86SM) || defined(M_I86MM) 173131380Stjr /* MSC small or medium model */ 174131380Stjr# define SMALL_MEDIUM 175131380Stjr# ifdef _MSC_VER 176131380Stjr# define FAR _far 177131380Stjr# else 178131380Stjr# define FAR far 179131380Stjr# endif 18017651Speter# endif 181131380Stjr# if (defined(__SMALL__) || defined(__MEDIUM__)) 182131380Stjr /* Turbo C small or medium model */ 18317651Speter# define SMALL_MEDIUM 184131380Stjr# ifdef __BORLANDC__ 185131380Stjr# define FAR _far 186131380Stjr# else 187131380Stjr# define FAR far 188131380Stjr# endif 18917651Speter# endif 19017651Speter#endif 19133908Ssteve 192131380Stjr#if defined(WINDOWS) || defined(WIN32) 193131380Stjr /* If building or using zlib as a DLL, define ZLIB_DLL. 194131380Stjr * This is not mandatory, but it offers a little performance increase. 195131380Stjr */ 196131380Stjr# ifdef ZLIB_DLL 197131380Stjr# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 198131380Stjr# ifdef ZLIB_INTERNAL 199131380Stjr# define ZEXTERN extern __declspec(dllexport) 200131380Stjr# else 201131380Stjr# define ZEXTERN extern __declspec(dllimport) 202131380Stjr# endif 203131380Stjr# endif 204131380Stjr# endif /* ZLIB_DLL */ 205131380Stjr /* If building or using zlib with the WINAPI/WINAPIV calling convention, 206131380Stjr * define ZLIB_WINAPI. 207131380Stjr * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 208131380Stjr */ 209131380Stjr# ifdef ZLIB_WINAPI 21042471Speter# ifdef FAR 21142471Speter# undef FAR 21242471Speter# endif 21342471Speter# include <windows.h> 214131380Stjr /* No need for _export, use ZLIB.DEF instead. */ 215131380Stjr /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 216131380Stjr# define ZEXPORT WINAPI 21742471Speter# ifdef WIN32 218131380Stjr# define ZEXPORTVA WINAPIV 21942471Speter# else 220131380Stjr# define ZEXPORTVA FAR CDECL 22142471Speter# endif 22233908Ssteve# endif 223131380Stjr#endif 224131380Stjr 225131380Stjr#if defined (__BEOS__) 226131380Stjr# ifdef ZLIB_DLL 227131380Stjr# ifdef ZLIB_INTERNAL 228131380Stjr# define ZEXPORT __declspec(dllexport) 229131380Stjr# define ZEXPORTVA __declspec(dllexport) 23042471Speter# else 231131380Stjr# define ZEXPORT __declspec(dllimport) 232131380Stjr# define ZEXPORTVA __declspec(dllimport) 23342471Speter# endif 23442471Speter# endif 23542471Speter#endif 23642471Speter 237131380Stjr#ifndef ZEXTERN 238131380Stjr# define ZEXTERN extern 23933908Ssteve#endif 24042471Speter#ifndef ZEXPORT 24142471Speter# define ZEXPORT 24242471Speter#endif 24342471Speter#ifndef ZEXPORTVA 24442471Speter# define ZEXPORTVA 24542471Speter#endif 24642471Speter 24717651Speter#ifndef FAR 248131380Stjr# define FAR 24917651Speter#endif 25017651Speter 251131380Stjr#if !defined(__MACTYPES__) 25217651Spetertypedef unsigned char Byte; /* 8 bits */ 25342471Speter#endif 25417651Spetertypedef unsigned int uInt; /* 16 bits or more */ 25517651Spetertypedef unsigned long uLong; /* 32 bits or more */ 25617651Speter 25742471Speter#ifdef SMALL_MEDIUM 25842471Speter /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 25917651Speter# define Bytef Byte FAR 26017651Speter#else 26117651Speter typedef Byte FAR Bytef; 26217651Speter#endif 26317651Spetertypedef char FAR charf; 26417651Spetertypedef int FAR intf; 26517651Spetertypedef uInt FAR uIntf; 26617651Spetertypedef uLong FAR uLongf; 26717651Speter 26817651Speter#ifdef STDC 269131380Stjr typedef void const *voidpc; 270131380Stjr typedef void FAR *voidpf; 271131380Stjr typedef void *voidp; 27217651Speter#else 273131380Stjr typedef Byte const *voidpc; 274131380Stjr typedef Byte FAR *voidpf; 275131380Stjr typedef Byte *voidp; 27617651Speter#endif 27717651Speter 278131380Stjr#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 27933908Ssteve# include <sys/types.h> /* for off_t */ 28033908Ssteve# include <unistd.h> /* for SEEK_* and off_t */ 281131380Stjr# ifdef VMS 282131380Stjr# include <unixio.h> /* for off_t */ 283131380Stjr# endif 284131380Stjr# define z_off_t off_t 28533908Ssteve#endif 28633908Ssteve#ifndef SEEK_SET 28733908Ssteve# define SEEK_SET 0 /* Seek from beginning of file. */ 28833908Ssteve# define SEEK_CUR 1 /* Seek from current position. */ 28942471Speter# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 29033908Ssteve#endif 29117651Speter 29252054Sbde/* 29352054Sbde * This is hard-configured for FreeBSD, since zlib doesn't actually support 29452054Sbde * using the system off_t for offsets unless off_t is no longer than long. 29552054Sbde */ 29652054Sbde#define z_off_t long 29752054Sbde 298131380Stjr#if defined(__OS400__) 299131380Stjr#define NO_vsnprintf 300131380Stjr#endif 301131380Stjr 302131380Stjr#if defined(__MVS__) 303131380Stjr# define NO_vsnprintf 304131380Stjr# ifdef FAR 305131380Stjr# undef FAR 306131380Stjr# endif 307131380Stjr#endif 308131380Stjr 30933908Ssteve/* MVS linker does not support external names larger than 8 bytes */ 31033908Ssteve#if defined(__MVS__) 31133908Ssteve# pragma map(deflateInit_,"DEIN") 31233908Ssteve# pragma map(deflateInit2_,"DEIN2") 31333908Ssteve# pragma map(deflateEnd,"DEEND") 314131380Stjr# pragma map(deflateBound,"DEBND") 31533908Ssteve# pragma map(inflateInit_,"ININ") 31633908Ssteve# pragma map(inflateInit2_,"ININ2") 31733908Ssteve# pragma map(inflateEnd,"INEND") 31833908Ssteve# pragma map(inflateSync,"INSY") 31933908Ssteve# pragma map(inflateSetDictionary,"INSEDI") 320131380Stjr# pragma map(compressBound,"CMBND") 321131380Stjr# pragma map(inflate_table,"INTABL") 32233908Ssteve# pragma map(inflate_fast,"INFA") 32333908Ssteve# pragma map(inflate_copyright,"INCOPY") 32417651Speter#endif 32517651Speter 326131380Stjr#endif /* ZCONF_H */ 327