zconf.h revision 206924
117651Speter/* zconf.h -- configuration of the zlib compression library 233908Ssteve * Copyright (C) 1995-2010 Jean-loup Gailly. 317651Speter * For conditions of distribution and use, see copyright notice in zlib.h 417651Speter */ 517651Speter 621673Sjkh/* @(#) $FreeBSD: head/lib/libz/zconf.h 206924 2010-04-20 21:14:30Z delphij $ */ 717651Speter 817651Speter#ifndef ZCONF_H 917651Speter#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 * Even better than compiling with -DZ_PREFIX would be to use configure to set 1517651Speter * this permanently in zconf.h using "./configure --zprefix". 1617651Speter */ 1717651Speter#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ 1817651Speter 1917651Speter/* all linked symbols */ 2017651Speter# define _dist_code z__dist_code 2117651Speter# define _length_code z__length_code 2217651Speter# define _tr_align z__tr_align 2317651Speter# define _tr_flush_block z__tr_flush_block 2417651Speter# define _tr_init z__tr_init 2517651Speter# define _tr_stored_block z__tr_stored_block 2617651Speter# define _tr_tally z__tr_tally 2717651Speter# define adler32 z_adler32 2817651Speter# define adler32_combine z_adler32_combine 2917651Speter# define adler32_combine64 z_adler32_combine64 3033908Ssteve# define compress z_compress 3117651Speter# define compress2 z_compress2 3217651Speter# define compressBound z_compressBound 3333908Ssteve# define crc32 z_crc32 3417651Speter# define crc32_combine z_crc32_combine 3517651Speter# define crc32_combine64 z_crc32_combine64 3617651Speter# define deflate z_deflate 3717651Speter# define deflateBound z_deflateBound 3817651Speter# define deflateCopy z_deflateCopy 3917651Speter# define deflateEnd z_deflateEnd 4017651Speter# define deflateInit2_ z_deflateInit2_ 4117651Speter# define deflateInit_ z_deflateInit_ 4217651Speter# define deflateParams z_deflateParams 4317651Speter# define deflatePrime z_deflatePrime 4417651Speter# define deflateReset z_deflateReset 4517651Speter# define deflateSetDictionary z_deflateSetDictionary 4617651Speter# define deflateSetHeader z_deflateSetHeader 4717651Speter# define deflateTune z_deflateTune 4817651Speter# define deflate_copyright z_deflate_copyright 4917651Speter# define get_crc_table z_get_crc_table 5017651Speter# define gz_error z_gz_error 5117651Speter# define gz_intmax z_gz_intmax 5217651Speter# define gz_strwinerror z_gz_strwinerror 5317651Speter# define gzbuffer z_gzbuffer 5417651Speter# define gzclearerr z_gzclearerr 5517651Speter# define gzclose z_gzclose 5617651Speter# define gzclose_r z_gzclose_r 5717651Speter# define gzclose_w z_gzclose_w 5817651Speter# define gzdirect z_gzdirect 5917651Speter# define gzdopen z_gzdopen 6017651Speter# define gzeof z_gzeof 6117651Speter# define gzerror z_gzerror 6217651Speter# define gzflush z_gzflush 6317651Speter# define gzgetc z_gzgetc 6417651Speter# define gzgets z_gzgets 6517651Speter# define gzoffset z_gzoffset 6617651Speter# define gzoffset64 z_gzoffset64 6717651Speter# define gzopen z_gzopen 6817651Speter# define gzopen64 z_gzopen64 6917651Speter# define gzprintf z_gzprintf 7017651Speter# define gzputc z_gzputc 7117651Speter# define gzputs z_gzputs 7217651Speter# define gzread z_gzread 7317651Speter# define gzrewind z_gzrewind 7417651Speter# define gzseek z_gzseek 7517651Speter# define gzseek64 z_gzseek64 7617651Speter# define gzsetparams z_gzsetparams 7733908Ssteve# define gztell z_gztell 7833908Ssteve# define gztell64 z_gztell64 7933908Ssteve# define gzungetc z_gzungetc 8033908Ssteve# define gzwrite z_gzwrite 8117651Speter# define inflate z_inflate 8217651Speter# define inflateBack z_inflateBack 8317651Speter# define inflateBackEnd z_inflateBackEnd 8417651Speter# define inflateBackInit_ z_inflateBackInit_ 8517651Speter# define inflateCopy z_inflateCopy 8617651Speter# define inflateEnd z_inflateEnd 8717651Speter# define inflateGetHeader z_inflateGetHeader 8817651Speter# define inflateInit2_ z_inflateInit2_ 8917651Speter# define inflateInit_ z_inflateInit_ 9017651Speter# define inflateMark z_inflateMark 9117651Speter# define inflatePrime z_inflatePrime 9217651Speter# define inflateReset z_inflateReset 9317651Speter# define inflateReset2 z_inflateReset2 9433908Ssteve# define inflateSetDictionary z_inflateSetDictionary 9533908Ssteve# define inflateSync z_inflateSync 9633908Ssteve# define inflateSyncPoint z_inflateSyncPoint 9733908Ssteve# define inflateUndermine z_inflateUndermine 9833908Ssteve# define inflate_copyright z_inflate_copyright 9933908Ssteve# define inflate_fast z_inflate_fast 10017651Speter# define inflate_table z_inflate_table 10117651Speter# define uncompress z_uncompress 10217651Speter# define zError z_zError 10317651Speter# define zcalloc z_zcalloc 10417651Speter# define zcfree z_zcfree 10517651Speter# define zlibCompileFlags z_zlibCompileFlags 10617651Speter# define zlibVersion z_zlibVersion 10717651Speter 10817651Speter/* all zlib typedefs in zlib.h and zconf.h */ 10933908Ssteve# define Byte z_Byte 11033908Ssteve# define Bytef z_Bytef 11133908Ssteve# define alloc_func z_alloc_func 11233908Ssteve# define charf z_charf 11333908Ssteve# define free_func z_free_func 11417651Speter# define gzFile z_gzFile 11517651Speter# define gz_header z_gz_header 11617651Speter# define gz_headerp z_gz_headerp 11717651Speter# define in_func z_in_func 11817651Speter# define intf z_intf 11933908Ssteve# define out_func z_out_func 12017651Speter# define uInt z_uInt 12117651Speter# define uIntf z_uIntf 12217651Speter# define uLong z_uLong 12317651Speter# define uLongf z_uLongf 12417651Speter# define voidp z_voidp 12517651Speter# define voidpc z_voidpc 12617651Speter# define voidpf z_voidpf 12717651Speter 12817651Speter/* all zlib structs in zlib.h and zconf.h */ 12917651Speter# define gz_header_s z_gz_header_s 13017651Speter# define internal_state z_internal_state 13117651Speter 13217651Speter#endif 13317651Speter 13417651Speter#if defined(__MSDOS__) && !defined(MSDOS) 13517651Speter# define MSDOS 13617651Speter#endif 13717651Speter#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 13817651Speter# define OS2 13917651Speter#endif 14017651Speter#if defined(_WINDOWS) && !defined(WINDOWS) 14117651Speter# define WINDOWS 14217651Speter#endif 14317651Speter#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 14417651Speter# ifndef WIN32 14517651Speter# define WIN32 14617651Speter# endif 14717651Speter#endif 14817651Speter#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 14917651Speter# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 15017651Speter# ifndef SYS16BIT 15117651Speter# define SYS16BIT 15217651Speter# endif 15317651Speter# endif 15417651Speter#endif 15517651Speter 15617651Speter/* 15717651Speter * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 15817651Speter * than 64k bytes at a time (needed on systems with 16-bit int). 15917651Speter */ 16017651Speter#ifdef SYS16BIT 16117651Speter# define MAXSEG_64K 16233908Ssteve#endif 16333908Ssteve#ifdef MSDOS 16433908Ssteve# define UNALIGNED_OK 16533908Ssteve#endif 16633908Ssteve 16733908Ssteve#ifdef __STDC_VERSION__ 16833908Ssteve# ifndef STDC 16933908Ssteve# define STDC 17033908Ssteve# endif 17133908Ssteve# if __STDC_VERSION__ >= 199901L 17233908Ssteve# ifndef STDC99 17333908Ssteve# define STDC99 17433908Ssteve# endif 17533908Ssteve# endif 17633908Ssteve#endif 17733908Ssteve#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 17833908Ssteve# define STDC 17933908Ssteve#endif 18033908Ssteve#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 18133908Ssteve# define STDC 18233908Ssteve#endif 18333908Ssteve#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 18433908Ssteve# define STDC 18517651Speter#endif 18617651Speter#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 18717651Speter# define STDC 18817651Speter#endif 18917651Speter 19017651Speter#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 19117651Speter# define STDC 19217651Speter#endif 19317651Speter 19417651Speter#ifndef STDC 19517651Speter# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 19617651Speter# define const /* note: need a more gentle solution here */ 19717651Speter# endif 19817651Speter#endif 19917651Speter 20017651Speter/* Some Mac compilers merge all .h files incorrectly: */ 20117651Speter#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 20217651Speter# define NO_DUMMY_DECL 20317651Speter#endif 20417651Speter 20517651Speter/* Maximum value for memLevel in deflateInit2 */ 20617651Speter#ifndef MAX_MEM_LEVEL 20717651Speter# ifdef MAXSEG_64K 20817651Speter# define MAX_MEM_LEVEL 8 20917651Speter# else 21017651Speter# define MAX_MEM_LEVEL 9 21117651Speter# endif 21233908Ssteve#endif 21333908Ssteve 21433908Ssteve/* Maximum value for windowBits in deflateInit2 and inflateInit2. 21533908Ssteve * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 21633908Ssteve * created by gzip. (Files created by minigzip can still be extracted by 21733908Ssteve * gzip.) 21833908Ssteve */ 21933908Ssteve#ifndef MAX_WBITS 22033908Ssteve# define MAX_WBITS 15 /* 32K LZ77 window */ 22133908Ssteve#endif 22233908Ssteve 22333908Ssteve/* The memory requirements for deflate are (in bytes): 22417651Speter (1 << (windowBits+2)) + (1 << (memLevel+9)) 22533908Ssteve that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 22633908Ssteve plus a few kilobytes for small objects. For example, if you want to reduce 22733908Ssteve the default memory requirements from 256K to 128K, compile with 22833908Ssteve make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 22933908Ssteve Of course this will generally degrade compression (there's no free lunch). 23033908Ssteve 23133908Ssteve The memory requirements for inflate are (in bytes) 1 << windowBits 23233908Ssteve that is, 32K for windowBits=15 (default value) plus a few kilobytes 23333908Ssteve for small objects. 23433908Ssteve*/ 23533908Ssteve 23633908Ssteve /* Type declarations */ 23733908Ssteve 23833908Ssteve#ifndef OF /* function prototypes */ 23933908Ssteve# ifdef STDC 24033908Ssteve# define OF(args) args 24133908Ssteve# else 24233908Ssteve# define OF(args) () 24333908Ssteve# endif 24433908Ssteve#endif 24533908Ssteve 24633908Ssteve/* The following definitions for FAR are needed only for MSDOS mixed 24733908Ssteve * model programming (small or medium model with some far allocations). 24833908Ssteve * This was tested only with MSC; for other MSDOS compilers you may have 24933908Ssteve * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 25017651Speter * just define FAR to be empty. 25117651Speter */ 25217651Speter#ifdef SYS16BIT 253# if defined(M_I86SM) || defined(M_I86MM) 254 /* MSC small or medium model */ 255# define SMALL_MEDIUM 256# ifdef _MSC_VER 257# define FAR _far 258# else 259# define FAR far 260# endif 261# endif 262# if (defined(__SMALL__) || defined(__MEDIUM__)) 263 /* Turbo C small or medium model */ 264# define SMALL_MEDIUM 265# ifdef __BORLANDC__ 266# define FAR _far 267# else 268# define FAR far 269# endif 270# endif 271#endif 272 273#if defined(WINDOWS) || defined(WIN32) 274 /* If building or using zlib as a DLL, define ZLIB_DLL. 275 * This is not mandatory, but it offers a little performance increase. 276 */ 277# ifdef ZLIB_DLL 278# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 279# ifdef ZLIB_INTERNAL 280# define ZEXTERN extern __declspec(dllexport) 281# else 282# define ZEXTERN extern __declspec(dllimport) 283# endif 284# endif 285# endif /* ZLIB_DLL */ 286 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 287 * define ZLIB_WINAPI. 288 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 289 */ 290# ifdef ZLIB_WINAPI 291# ifdef FAR 292# undef FAR 293# endif 294# include <windows.h> 295 /* No need for _export, use ZLIB.DEF instead. */ 296 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 297# define ZEXPORT WINAPI 298# ifdef WIN32 299# define ZEXPORTVA WINAPIV 300# else 301# define ZEXPORTVA FAR CDECL 302# endif 303# endif 304#endif 305 306#if defined (__BEOS__) 307# ifdef ZLIB_DLL 308# ifdef ZLIB_INTERNAL 309# define ZEXPORT __declspec(dllexport) 310# define ZEXPORTVA __declspec(dllexport) 311# else 312# define ZEXPORT __declspec(dllimport) 313# define ZEXPORTVA __declspec(dllimport) 314# endif 315# endif 316#endif 317 318#ifndef ZEXTERN 319# define ZEXTERN extern 320#endif 321#ifndef ZEXPORT 322# define ZEXPORT 323#endif 324#ifndef ZEXPORTVA 325# define ZEXPORTVA 326#endif 327 328#ifndef FAR 329# define FAR 330#endif 331 332#if !defined(__MACTYPES__) 333typedef unsigned char Byte; /* 8 bits */ 334#endif 335typedef unsigned int uInt; /* 16 bits or more */ 336typedef unsigned long uLong; /* 32 bits or more */ 337 338#ifdef SMALL_MEDIUM 339 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 340# define Bytef Byte FAR 341#else 342 typedef Byte FAR Bytef; 343#endif 344typedef char FAR charf; 345typedef int FAR intf; 346typedef uInt FAR uIntf; 347typedef uLong FAR uLongf; 348 349#ifdef STDC 350 typedef void const *voidpc; 351 typedef void FAR *voidpf; 352 typedef void *voidp; 353#else 354 typedef Byte const *voidpc; 355 typedef Byte FAR *voidpf; 356 typedef Byte *voidp; 357#endif 358 359#if 0 /* was set to #if 0 by ./configure */ 360# define Z_HAVE_UNISTD_H 361#endif 362 363#ifdef STDC 364# include <sys/types.h> /* for off_t */ 365#endif 366 367/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 368 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 369 * though the former does not conform to the LFS document), but considering 370 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 371 * equivalently requesting no 64-bit operations 372 */ 373#if -_LARGEFILE64_SOURCE - -1 == 1 374# undef _LARGEFILE64_SOURCE 375#endif 376 377#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) 378# include <unistd.h> /* for SEEK_* and off_t */ 379# ifdef VMS 380# include <unixio.h> /* for off_t */ 381# endif 382# ifndef z_off_t 383# define z_off_t off_t 384# endif 385#endif 386 387#ifndef SEEK_SET 388# define SEEK_SET 0 /* Seek from beginning of file. */ 389# define SEEK_CUR 1 /* Seek from current position. */ 390# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 391#endif 392 393/* 394 * This is hard-configured for FreeBSD. 395 */ 396#define z_off_t off_t 397#ifndef _FILE_OFFSET_BITS 398#define _FILE_OFFSET_BITS 64 399#endif 400 401#ifndef z_off_t 402# define z_off_t long 403#endif 404 405#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 406# define z_off64_t off64_t 407#else 408# define z_off64_t z_off_t 409#endif 410 411#if defined(__OS400__) 412# define NO_vsnprintf 413#endif 414 415#if defined(__MVS__) 416# define NO_vsnprintf 417#endif 418 419/* MVS linker does not support external names larger than 8 bytes */ 420#if defined(__MVS__) 421 #pragma map(deflateInit_,"DEIN") 422 #pragma map(deflateInit2_,"DEIN2") 423 #pragma map(deflateEnd,"DEEND") 424 #pragma map(deflateBound,"DEBND") 425 #pragma map(inflateInit_,"ININ") 426 #pragma map(inflateInit2_,"ININ2") 427 #pragma map(inflateEnd,"INEND") 428 #pragma map(inflateSync,"INSY") 429 #pragma map(inflateSetDictionary,"INSEDI") 430 #pragma map(compressBound,"CMBND") 431 #pragma map(inflate_table,"INTABL") 432 #pragma map(inflate_fast,"INFA") 433 #pragma map(inflate_copyright,"INCOPY") 434#endif 435 436#endif /* ZCONF_H */ 437