zconf.h revision 09eb358bbbb9aad3fe48dd3368c8a7a481cbda1c
1/* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2012 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 * Even better than compiling with -DZ_PREFIX would be to use configure to set 15 * this permanently in zconf.h using "./configure --zprefix". 16 */ 17#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ 18# define Z_PREFIX_SET 19 20/* all linked symbols */ 21# define _dist_code z__dist_code 22# define _length_code z__length_code 23# define _tr_align z__tr_align 24# define _tr_flush_block z__tr_flush_block 25# define _tr_init z__tr_init 26# define _tr_stored_block z__tr_stored_block 27# define _tr_tally z__tr_tally 28# define adler32 z_adler32 29# define adler32_combine z_adler32_combine 30# define adler32_combine64 z_adler32_combine64 31# ifndef Z_SOLO 32# define compress z_compress 33# define compress2 z_compress2 34# define compressBound z_compressBound 35# endif 36# define crc32 z_crc32 37# define crc32_combine z_crc32_combine 38# define crc32_combine64 z_crc32_combine64 39# define deflate z_deflate 40# define deflateBound z_deflateBound 41# define deflateCopy z_deflateCopy 42# define deflateEnd z_deflateEnd 43# define deflateInit2_ z_deflateInit2_ 44# define deflateInit_ z_deflateInit_ 45# define deflateParams z_deflateParams 46# define deflatePending z_deflatePending 47# define deflatePrime z_deflatePrime 48# define deflateReset z_deflateReset 49# define deflateResetKeep z_deflateResetKeep 50# define deflateSetDictionary z_deflateSetDictionary 51# define deflateSetHeader z_deflateSetHeader 52# define deflateTune z_deflateTune 53# define deflate_copyright z_deflate_copyright 54# define get_crc_table z_get_crc_table 55# ifndef Z_SOLO 56# define gz_error z_gz_error 57# define gz_intmax z_gz_intmax 58# define gz_strwinerror z_gz_strwinerror 59# define gzbuffer z_gzbuffer 60# define gzclearerr z_gzclearerr 61# define gzclose z_gzclose 62# define gzclose_r z_gzclose_r 63# define gzclose_w z_gzclose_w 64# define gzdirect z_gzdirect 65# define gzdopen z_gzdopen 66# define gzeof z_gzeof 67# define gzerror z_gzerror 68# define gzflush z_gzflush 69# define gzgetc z_gzgetc 70# define gzgetc_ z_gzgetc_ 71# define gzgets z_gzgets 72# define gzoffset z_gzoffset 73# define gzoffset64 z_gzoffset64 74# define gzopen z_gzopen 75# define gzopen64 z_gzopen64 76# ifdef _WIN32 77# define gzopen_w z_gzopen_w 78# endif 79# define gzprintf z_gzprintf 80# define gzputc z_gzputc 81# define gzputs z_gzputs 82# define gzread z_gzread 83# define gzrewind z_gzrewind 84# define gzseek z_gzseek 85# define gzseek64 z_gzseek64 86# define gzsetparams z_gzsetparams 87# define gztell z_gztell 88# define gztell64 z_gztell64 89# define gzungetc z_gzungetc 90# define gzwrite z_gzwrite 91# endif 92# define inflate z_inflate 93# define inflateBack z_inflateBack 94# define inflateBackEnd z_inflateBackEnd 95# define inflateBackInit_ z_inflateBackInit_ 96# define inflateCopy z_inflateCopy 97# define inflateEnd z_inflateEnd 98# define inflateGetHeader z_inflateGetHeader 99# define inflateInit2_ z_inflateInit2_ 100# define inflateInit_ z_inflateInit_ 101# define inflateMark z_inflateMark 102# define inflatePrime z_inflatePrime 103# define inflateReset z_inflateReset 104# define inflateReset2 z_inflateReset2 105# define inflateSetDictionary z_inflateSetDictionary 106# define inflateSync z_inflateSync 107# define inflateSyncPoint z_inflateSyncPoint 108# define inflateUndermine z_inflateUndermine 109# define inflateResetKeep z_inflateResetKeep 110# define inflate_copyright z_inflate_copyright 111# define inflate_fast z_inflate_fast 112# define inflate_table z_inflate_table 113# ifndef Z_SOLO 114# define uncompress z_uncompress 115# endif 116# define zError z_zError 117# ifndef Z_SOLO 118# define zcalloc z_zcalloc 119# define zcfree z_zcfree 120# endif 121# define zlibCompileFlags z_zlibCompileFlags 122# define zlibVersion z_zlibVersion 123 124/* all zlib typedefs in zlib.h and zconf.h */ 125# define Byte z_Byte 126# define Bytef z_Bytef 127# define alloc_func z_alloc_func 128# define charf z_charf 129# define free_func z_free_func 130# ifndef Z_SOLO 131# define gzFile z_gzFile 132# endif 133# define gz_header z_gz_header 134# define gz_headerp z_gz_headerp 135# define in_func z_in_func 136# define intf z_intf 137# define out_func z_out_func 138# define uInt z_uInt 139# define uIntf z_uIntf 140# define uLong z_uLong 141# define uLongf z_uLongf 142# define voidp z_voidp 143# define voidpc z_voidpc 144# define voidpf z_voidpf 145 146/* all zlib structs in zlib.h and zconf.h */ 147# define gz_header_s z_gz_header_s 148# define internal_state z_internal_state 149 150#endif 151 152#if defined(__MSDOS__) && !defined(MSDOS) 153# define MSDOS 154#endif 155#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 156# define OS2 157#endif 158#if defined(_WINDOWS) && !defined(WINDOWS) 159# define WINDOWS 160#endif 161#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 162# ifndef WIN32 163# define WIN32 164# endif 165#endif 166#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 167# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 168# ifndef SYS16BIT 169# define SYS16BIT 170# endif 171# endif 172#endif 173 174/* 175 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 176 * than 64k bytes at a time (needed on systems with 16-bit int). 177 */ 178#ifdef SYS16BIT 179# define MAXSEG_64K 180#endif 181#ifdef MSDOS 182# define UNALIGNED_OK 183#endif 184 185#ifdef __STDC_VERSION__ 186# ifndef STDC 187# define STDC 188# endif 189# if __STDC_VERSION__ >= 199901L 190# ifndef STDC99 191# define STDC99 192# endif 193# endif 194#endif 195#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 196# define STDC 197#endif 198#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 199# define STDC 200#endif 201#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 202# define STDC 203#endif 204#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 205# define STDC 206#endif 207 208#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 209# define STDC 210#endif 211 212#ifndef STDC 213# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 214# define const /* note: need a more gentle solution here */ 215# endif 216#endif 217 218#if defined(ZLIB_CONST) && !defined(z_const) 219# define z_const const 220#else 221# define z_const 222#endif 223 224/* Some Mac compilers merge all .h files incorrectly: */ 225#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 226# define NO_DUMMY_DECL 227#endif 228 229/* Maximum value for memLevel in deflateInit2 */ 230#ifndef MAX_MEM_LEVEL 231# ifdef MAXSEG_64K 232# define MAX_MEM_LEVEL 8 233# else 234# define MAX_MEM_LEVEL 9 235# endif 236#endif 237 238/* Maximum value for windowBits in deflateInit2 and inflateInit2. 239 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 240 * created by gzip. (Files created by minigzip can still be extracted by 241 * gzip.) 242 */ 243#ifndef MAX_WBITS 244# define MAX_WBITS 15 /* 32K LZ77 window */ 245#endif 246 247/* The memory requirements for deflate are (in bytes): 248 (1 << (windowBits+2)) + (1 << (memLevel+9)) 249 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 250 plus a few kilobytes for small objects. For example, if you want to reduce 251 the default memory requirements from 256K to 128K, compile with 252 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 253 Of course this will generally degrade compression (there's no free lunch). 254 255 The memory requirements for inflate are (in bytes) 1 << windowBits 256 that is, 32K for windowBits=15 (default value) plus a few kilobytes 257 for small objects. 258*/ 259 260 /* Type declarations */ 261 262#ifndef OF /* function prototypes */ 263# ifdef STDC 264# define OF(args) args 265# else 266# define OF(args) () 267# endif 268#endif 269 270#ifndef Z_ARG /* function prototypes for stdarg */ 271# if defined(STDC) || defined(Z_HAVE_STDARG_H) 272# define Z_ARG(args) args 273# else 274# define Z_ARG(args) () 275# endif 276#endif 277 278/* The following definitions for FAR are needed only for MSDOS mixed 279 * model programming (small or medium model with some far allocations). 280 * This was tested only with MSC; for other MSDOS compilers you may have 281 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 282 * just define FAR to be empty. 283 */ 284#ifdef SYS16BIT 285# if defined(M_I86SM) || defined(M_I86MM) 286 /* MSC small or medium model */ 287# define SMALL_MEDIUM 288# ifdef _MSC_VER 289# define FAR _far 290# else 291# define FAR far 292# endif 293# endif 294# if (defined(__SMALL__) || defined(__MEDIUM__)) 295 /* Turbo C small or medium model */ 296# define SMALL_MEDIUM 297# ifdef __BORLANDC__ 298# define FAR _far 299# else 300# define FAR far 301# endif 302# endif 303#endif 304 305#if defined(WINDOWS) || defined(WIN32) 306 /* If building or using zlib as a DLL, define ZLIB_DLL. 307 * This is not mandatory, but it offers a little performance increase. 308 */ 309# ifdef ZLIB_DLL 310# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 311# ifdef ZLIB_INTERNAL 312# define ZEXTERN extern __declspec(dllexport) 313# else 314# define ZEXTERN extern __declspec(dllimport) 315# endif 316# endif 317# endif /* ZLIB_DLL */ 318 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 319 * define ZLIB_WINAPI. 320 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 321 */ 322# ifdef ZLIB_WINAPI 323# ifdef FAR 324# undef FAR 325# endif 326# include <windows.h> 327 /* No need for _export, use ZLIB.DEF instead. */ 328 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 329# define ZEXPORT WINAPI 330# ifdef WIN32 331# define ZEXPORTVA WINAPIV 332# else 333# define ZEXPORTVA FAR CDECL 334# endif 335# endif 336#endif 337 338#if defined (__BEOS__) 339# ifdef ZLIB_DLL 340# ifdef ZLIB_INTERNAL 341# define ZEXPORT __declspec(dllexport) 342# define ZEXPORTVA __declspec(dllexport) 343# else 344# define ZEXPORT __declspec(dllimport) 345# define ZEXPORTVA __declspec(dllimport) 346# endif 347# endif 348#endif 349 350#ifndef ZEXTERN 351# define ZEXTERN extern 352#endif 353#ifndef ZEXPORT 354# define ZEXPORT 355#endif 356#ifndef ZEXPORTVA 357# define ZEXPORTVA 358#endif 359 360#ifndef FAR 361# define FAR 362#endif 363 364#if !defined(__MACTYPES__) 365typedef unsigned char Byte; /* 8 bits */ 366#endif 367typedef unsigned int uInt; /* 16 bits or more */ 368typedef unsigned long uLong; /* 32 bits or more */ 369 370#ifdef SMALL_MEDIUM 371 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 372# define Bytef Byte FAR 373#else 374 typedef Byte FAR Bytef; 375#endif 376typedef char FAR charf; 377typedef int FAR intf; 378typedef uInt FAR uIntf; 379typedef uLong FAR uLongf; 380 381#ifdef STDC 382 typedef void const *voidpc; 383 typedef void FAR *voidpf; 384 typedef void *voidp; 385#else 386 typedef Byte const *voidpc; 387 typedef Byte FAR *voidpf; 388 typedef Byte *voidp; 389#endif 390 391#define Z_U4 unsigned /* ./configure put the #define Z_U4 here */ 392 393#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) 394# include <limits.h> 395# if (UINT_MAX == 0xffffffffUL) 396# define Z_U4 unsigned 397# else 398# if (ULONG_MAX == 0xffffffffUL) 399# define Z_U4 unsigned long 400# else 401# if (USHRT_MAX == 0xffffffffUL) 402# define Z_U4 unsigned short 403# endif 404# endif 405# endif 406#endif 407 408#ifdef Z_U4 409 typedef Z_U4 z_crc_t; 410#else 411 typedef unsigned long z_crc_t; 412#endif 413 414#if 1 /* was set to #if 1 by ./configure */ 415# define Z_HAVE_UNISTD_H 416#endif 417 418#if 1 /* was set to #if 1 by ./configure */ 419# define Z_HAVE_STDARG_H 420#endif 421 422#ifdef STDC 423# ifndef Z_SOLO 424# include <sys/types.h> /* for off_t */ 425# endif 426#endif 427 428#ifdef _WIN32 429# include <stddef.h> /* for wchar_t */ 430#endif 431 432/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 433 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 434 * though the former does not conform to the LFS document), but considering 435 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 436 * equivalently requesting no 64-bit operations 437 */ 438#if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 439# undef _LARGEFILE64_SOURCE 440#endif 441 442#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) 443# define Z_HAVE_UNISTD_H 444#endif 445#ifndef Z_SOLO 446# if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE) 447# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ 448# ifdef VMS 449# include <unixio.h> /* for off_t */ 450# endif 451# ifndef z_off_t 452# define z_off_t off_t 453# endif 454# endif 455#endif 456 457#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 458# define Z_LFS64 459#endif 460 461#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) 462# define Z_LARGE64 463#endif 464 465#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) 466# define Z_WANT64 467#endif 468 469#if !defined(SEEK_SET) && !defined(Z_SOLO) 470# define SEEK_SET 0 /* Seek from beginning of file. */ 471# define SEEK_CUR 1 /* Seek from current position. */ 472# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 473#endif 474 475#ifndef z_off_t 476# define z_off_t long 477#endif 478 479#if !defined(_WIN32) && defined(Z_LARGE64) 480# define z_off64_t off64_t 481#else 482# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) 483# define z_off64_t __int64 484# else 485# define z_off64_t z_off_t 486# endif 487#endif 488 489/* MVS linker does not support external names larger than 8 bytes */ 490#if defined(__MVS__) 491 #pragma map(deflateInit_,"DEIN") 492 #pragma map(deflateInit2_,"DEIN2") 493 #pragma map(deflateEnd,"DEEND") 494 #pragma map(deflateBound,"DEBND") 495 #pragma map(inflateInit_,"ININ") 496 #pragma map(inflateInit2_,"ININ2") 497 #pragma map(inflateEnd,"INEND") 498 #pragma map(inflateSync,"INSY") 499 #pragma map(inflateSetDictionary,"INSEDI") 500 #pragma map(compressBound,"CMBND") 501 #pragma map(inflate_table,"INTABL") 502 #pragma map(inflate_fast,"INFA") 503 #pragma map(inflate_copyright,"INCOPY") 504#endif 505 506#endif /* ZCONF_H */ 507