1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler 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 * This library is also built as a part of AOSP, which does not need to include 13 * chromeconf.h. This config does not want chromeconf.h, so it can set this 14 * macro to opt out. While this works today, there's no guarantee that building 15 * zlib outside of Chromium keeps working in the future. 16 */ 17 #if !defined(CHROMIUM_ZLIB_NO_CHROMECONF) 18 /* This include does prefixing as below, but with an updated set of names. Also 19 * sets up export macros in component builds. */ 20 //#include "chromeconf.h" 21 #endif 22 23 /* 24 * If you *really* need a unique prefix for all types and library functions, 25 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 26 * Even better than compiling with -DZ_PREFIX would be to use configure to set 27 * this permanently in zconf.h using "./configure --zprefix". 28 */ 29 #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ 30 # define Z_PREFIX_SET 31 32 /* all linked symbols and init macros */ 33 # define _dist_code z__dist_code 34 # define _length_code z__length_code 35 # define _tr_align z__tr_align 36 # define _tr_flush_bits z__tr_flush_bits 37 # define _tr_flush_block z__tr_flush_block 38 # define _tr_init z__tr_init 39 # define _tr_stored_block z__tr_stored_block 40 # define _tr_tally z__tr_tally 41 # define adler32 z_adler32 42 # define adler32_combine z_adler32_combine 43 # define adler32_combine64 z_adler32_combine64 44 # define adler32_z z_adler32_z 45 # ifndef Z_SOLO 46 # define compress z_compress 47 # define compress2 z_compress2 48 # define compressBound z_compressBound 49 # endif 50 # define crc32 z_crc32 51 # define crc32_combine z_crc32_combine 52 # define crc32_combine64 z_crc32_combine64 53 # define crc32_combine_gen z_crc32_combine_gen 54 # define crc32_combine_gen64 z_crc32_combine_gen64 55 # define crc32_combine_op z_crc32_combine_op 56 # define crc32_z z_crc32_z 57 # define deflate z_deflate 58 # define deflateBound z_deflateBound 59 # define deflateCopy z_deflateCopy 60 # define deflateEnd z_deflateEnd 61 # define deflateGetDictionary z_deflateGetDictionary 62 # define deflateInit z_deflateInit 63 # define deflateInit2 z_deflateInit2 64 # define deflateInit2_ z_deflateInit2_ 65 # define deflateInit_ z_deflateInit_ 66 # define deflateParams z_deflateParams 67 # define deflatePending z_deflatePending 68 # define deflatePrime z_deflatePrime 69 # define deflateReset z_deflateReset 70 # define deflateResetKeep z_deflateResetKeep 71 # define deflateSetDictionary z_deflateSetDictionary 72 # define deflateSetHeader z_deflateSetHeader 73 # define deflateTune z_deflateTune 74 # define deflate_copyright z_deflate_copyright 75 # define get_crc_table z_get_crc_table 76 # ifndef Z_SOLO 77 # define gz_error z_gz_error 78 # define gz_intmax z_gz_intmax 79 # define gz_strwinerror z_gz_strwinerror 80 # define gzbuffer z_gzbuffer 81 # define gzclearerr z_gzclearerr 82 # define gzclose z_gzclose 83 # define gzclose_r z_gzclose_r 84 # define gzclose_w z_gzclose_w 85 # define gzdirect z_gzdirect 86 # define gzdopen z_gzdopen 87 # define gzeof z_gzeof 88 # define gzerror z_gzerror 89 # define gzflush z_gzflush 90 # define gzfread z_gzfread 91 # define gzfwrite z_gzfwrite 92 # define gzgetc z_gzgetc 93 # define gzgetc_ z_gzgetc_ 94 # define gzgets z_gzgets 95 # define gzoffset z_gzoffset 96 # define gzoffset64 z_gzoffset64 97 # define gzopen z_gzopen 98 # define gzopen64 z_gzopen64 99 # ifdef _WIN32 100 # define gzopen_w z_gzopen_w 101 # endif 102 # define gzprintf z_gzprintf 103 # define gzputc z_gzputc 104 # define gzputs z_gzputs 105 # define gzread z_gzread 106 # define gzrewind z_gzrewind 107 # define gzseek z_gzseek 108 # define gzseek64 z_gzseek64 109 # define gzsetparams z_gzsetparams 110 # define gztell z_gztell 111 # define gztell64 z_gztell64 112 # define gzungetc z_gzungetc 113 # define gzvprintf z_gzvprintf 114 # define gzwrite z_gzwrite 115 # endif 116 # define inflate z_inflate 117 # define inflateBack z_inflateBack 118 # define inflateBackEnd z_inflateBackEnd 119 # define inflateBackInit z_inflateBackInit 120 # define inflateBackInit_ z_inflateBackInit_ 121 # define inflateCodesUsed z_inflateCodesUsed 122 # define inflateCopy z_inflateCopy 123 # define inflateEnd z_inflateEnd 124 # define inflateGetDictionary z_inflateGetDictionary 125 # define inflateGetHeader z_inflateGetHeader 126 # define inflateInit z_inflateInit 127 # define inflateInit2 z_inflateInit2 128 # define inflateInit2_ z_inflateInit2_ 129 # define inflateInit_ z_inflateInit_ 130 # define inflateMark z_inflateMark 131 # define inflatePrime z_inflatePrime 132 # define inflateReset z_inflateReset 133 # define inflateReset2 z_inflateReset2 134 # define inflateResetKeep z_inflateResetKeep 135 # define inflateSetDictionary z_inflateSetDictionary 136 # define inflateSync z_inflateSync 137 # define inflateSyncPoint z_inflateSyncPoint 138 # define inflateUndermine z_inflateUndermine 139 # define inflateValidate z_inflateValidate 140 # define inflate_copyright z_inflate_copyright 141 # define inflate_fast z_inflate_fast 142 # define inflate_table z_inflate_table 143 # ifndef Z_SOLO 144 # define uncompress z_uncompress 145 # define uncompress2 z_uncompress2 146 # endif 147 # define zError z_zError 148 # ifndef Z_SOLO 149 # define zcalloc z_zcalloc 150 # define zcfree z_zcfree 151 # endif 152 # define zlibCompileFlags z_zlibCompileFlags 153 # define zlibVersion z_zlibVersion 154 155 /* all zlib typedefs in zlib.h and zconf.h */ 156 # define Byte z_Byte 157 # define Bytef z_Bytef 158 # define alloc_func z_alloc_func 159 # define charf z_charf 160 # define free_func z_free_func 161 # ifndef Z_SOLO 162 # define gzFile z_gzFile 163 # endif 164 # define gz_header z_gz_header 165 # define gz_headerp z_gz_headerp 166 # define in_func z_in_func 167 # define intf z_intf 168 # define out_func z_out_func 169 # define uInt z_uInt 170 # define uIntf z_uIntf 171 # define uLong z_uLong 172 # define uLongf z_uLongf 173 # define voidp z_voidp 174 # define voidpc z_voidpc 175 # define voidpf z_voidpf 176 177 /* all zlib structs in zlib.h and zconf.h */ 178 # define gz_header_s z_gz_header_s 179 # define internal_state z_internal_state 180 181 #endif 182 183 #if defined(__MSDOS__) && !defined(MSDOS) 184 # define MSDOS 185 #endif 186 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 187 # define OS2 188 #endif 189 #if defined(_WINDOWS) && !defined(WINDOWS) 190 # define WINDOWS 191 #endif 192 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 193 # ifndef WIN32 194 # define WIN32 195 # endif 196 #endif 197 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 198 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 199 # ifndef SYS16BIT 200 # define SYS16BIT 201 # endif 202 # endif 203 #endif 204 205 /* 206 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 207 * than 64k bytes at a time (needed on systems with 16-bit int). 208 */ 209 #ifdef SYS16BIT 210 # define MAXSEG_64K 211 #endif 212 #ifdef MSDOS 213 # define UNALIGNED_OK 214 #endif 215 216 #ifdef __STDC_VERSION__ 217 # ifndef STDC 218 # define STDC 219 # endif 220 # if __STDC_VERSION__ >= 199901L 221 # ifndef STDC99 222 # define STDC99 223 # endif 224 # endif 225 #endif 226 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 227 # define STDC 228 #endif 229 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 230 # define STDC 231 #endif 232 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 233 # define STDC 234 #endif 235 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 236 # define STDC 237 #endif 238 239 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 240 # define STDC 241 #endif 242 243 #ifndef STDC 244 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 245 # define const /* note: need a more gentle solution here */ 246 # endif 247 #endif 248 249 #if defined(ZLIB_CONST) && !defined(z_const) 250 # define z_const const 251 #else 252 # define z_const 253 #endif 254 255 #ifdef Z_SOLO 256 # ifdef _WIN64 257 typedef unsigned long long z_size_t; 258 # else 259 typedef unsigned long z_size_t; 260 # endif 261 #else 262 # define z_longlong long long 263 # if defined(NO_SIZE_T) 264 typedef unsigned NO_SIZE_T z_size_t; 265 # elif defined(STDC) 266 # include <stddef.h> 267 typedef size_t z_size_t; 268 # else 269 typedef unsigned long z_size_t; 270 # endif 271 # undef z_longlong 272 #endif 273 274 /* Maximum value for memLevel in deflateInit2 */ 275 #ifndef MAX_MEM_LEVEL 276 # ifdef MAXSEG_64K 277 # define MAX_MEM_LEVEL 8 278 # else 279 # define MAX_MEM_LEVEL 9 280 # endif 281 #endif 282 283 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 284 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 285 * created by gzip. (Files created by minigzip can still be extracted by 286 * gzip.) 287 */ 288 #ifndef MAX_WBITS 289 # define MAX_WBITS 15 /* 32K LZ77 window */ 290 #endif 291 292 /* The memory requirements for deflate are (in bytes): 293 (1 << (windowBits+2)) + (1 << (memLevel+9)) 294 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 295 plus a few kilobytes for small objects. For example, if you want to reduce 296 the default memory requirements from 256K to 128K, compile with 297 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 298 Of course this will generally degrade compression (there's no free lunch). 299 300 The memory requirements for inflate are (in bytes) 1 << windowBits 301 that is, 32K for windowBits=15 (default value) plus about 7 kilobytes 302 for small objects. 303 */ 304 305 /* Type declarations */ 306 307 #ifndef OF /* function prototypes */ 308 # ifdef STDC 309 # define OF(args) args 310 # else 311 # define OF(args) () 312 # endif 313 #endif 314 315 #ifndef Z_ARG /* function prototypes for stdarg */ 316 # if defined(STDC) || defined(Z_HAVE_STDARG_H) 317 # define Z_ARG(args) args 318 # else 319 # define Z_ARG(args) () 320 # endif 321 #endif 322 323 /* The following definitions for FAR are needed only for MSDOS mixed 324 * model programming (small or medium model with some far allocations). 325 * This was tested only with MSC; for other MSDOS compilers you may have 326 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 327 * just define FAR to be empty. 328 */ 329 #ifdef SYS16BIT 330 # if defined(M_I86SM) || defined(M_I86MM) 331 /* MSC small or medium model */ 332 # define SMALL_MEDIUM 333 # ifdef _MSC_VER 334 # define FAR _far 335 # else 336 # define FAR far 337 # endif 338 # endif 339 # if (defined(__SMALL__) || defined(__MEDIUM__)) 340 /* Turbo C small or medium model */ 341 # define SMALL_MEDIUM 342 # ifdef __BORLANDC__ 343 # define FAR _far 344 # else 345 # define FAR far 346 # endif 347 # endif 348 #endif 349 350 #if defined(WINDOWS) || defined(WIN32) 351 /* If building or using zlib as a DLL, define ZLIB_DLL. 352 * This is not mandatory, but it offers a little performance increase. 353 */ 354 # ifdef ZLIB_DLL 355 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 356 # ifdef ZLIB_INTERNAL 357 # define ZEXTERN extern __declspec(dllexport) 358 # else 359 # define ZEXTERN extern __declspec(dllimport) 360 # endif 361 # endif 362 # endif /* ZLIB_DLL */ 363 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 364 * define ZLIB_WINAPI. 365 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 366 */ 367 # ifdef ZLIB_WINAPI 368 # ifdef FAR 369 # undef FAR 370 # endif 371 # ifndef WIN32_LEAN_AND_MEAN 372 # define WIN32_LEAN_AND_MEAN 373 # endif 374 # include <windows.h> 375 /* No need for _export, use ZLIB.DEF instead. */ 376 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 377 # define ZEXPORT WINAPI 378 # ifdef WIN32 379 # define ZEXPORTVA WINAPIV 380 # else 381 # define ZEXPORTVA FAR CDECL 382 # endif 383 # endif 384 #endif 385 386 #if defined (__BEOS__) 387 # ifdef ZLIB_DLL 388 # ifdef ZLIB_INTERNAL 389 # define ZEXPORT __declspec(dllexport) 390 # define ZEXPORTVA __declspec(dllexport) 391 # else 392 # define ZEXPORT __declspec(dllimport) 393 # define ZEXPORTVA __declspec(dllimport) 394 # endif 395 # endif 396 #endif 397 398 #ifndef ZEXTERN 399 # define ZEXTERN extern 400 #endif 401 #ifndef ZEXPORT 402 # define ZEXPORT 403 #endif 404 #ifndef ZEXPORTVA 405 # define ZEXPORTVA 406 #endif 407 408 #ifndef FAR 409 # define FAR 410 #endif 411 #ifndef far 412 # define far 413 #endif 414 415 #if !defined(__MACTYPES__) 416 typedef unsigned char Byte; /* 8 bits */ 417 #endif 418 typedef unsigned int uInt; /* 16 bits or more */ 419 typedef unsigned long uLong; /* 32 bits or more */ 420 421 #ifdef SMALL_MEDIUM 422 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 423 # define Bytef Byte FAR 424 #else 425 typedef Byte FAR Bytef; 426 #endif 427 typedef char FAR charf; 428 typedef int FAR intf; 429 typedef uInt FAR uIntf; 430 typedef uLong FAR uLongf; 431 432 #ifdef STDC 433 typedef void const *voidpc; 434 typedef void FAR *voidpf; 435 typedef void *voidp; 436 #else 437 typedef Byte const *voidpc; 438 typedef Byte FAR *voidpf; 439 typedef Byte *voidp; 440 #endif 441 442 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) 443 # include <limits.h> 444 # if (UINT_MAX == 0xffffffffUL) 445 # define Z_U4 unsigned 446 # elif (ULONG_MAX == 0xffffffffUL) 447 # define Z_U4 unsigned long 448 # elif (USHRT_MAX == 0xffffffffUL) 449 # define Z_U4 unsigned short 450 # endif 451 #endif 452 453 #ifdef Z_U4 454 typedef Z_U4 z_crc_t; 455 #else 456 typedef unsigned long z_crc_t; 457 #endif 458 459 #if !defined(_WIN32) 460 # define Z_HAVE_UNISTD_H 461 #endif 462 463 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ 464 # define Z_HAVE_STDARG_H 465 #endif 466 467 #ifdef STDC 468 # ifndef Z_SOLO 469 # include <sys/types.h> /* for off_t */ 470 # endif 471 #endif 472 473 #if defined(STDC) || defined(Z_HAVE_STDARG_H) 474 # ifndef Z_SOLO 475 # include <stdarg.h> /* for va_list */ 476 # endif 477 #endif 478 479 #ifdef _WIN32 480 # ifndef Z_SOLO 481 # include <stddef.h> /* for wchar_t */ 482 # endif 483 #endif 484 485 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 486 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 487 * though the former does not conform to the LFS document), but considering 488 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 489 * equivalently requesting no 64-bit operations 490 */ 491 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 492 # undef _LARGEFILE64_SOURCE 493 #endif 494 495 #ifndef Z_HAVE_UNISTD_H 496 # ifdef __WATCOMC__ 497 # define Z_HAVE_UNISTD_H 498 # endif 499 #endif 500 #ifndef Z_HAVE_UNISTD_H 501 # if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) 502 # define Z_HAVE_UNISTD_H 503 # endif 504 #endif 505 #ifndef Z_SOLO 506 # if defined(Z_HAVE_UNISTD_H) 507 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ 508 # ifdef VMS 509 # include <unixio.h> /* for off_t */ 510 # endif 511 # ifndef z_off_t 512 # define z_off_t off_t 513 # endif 514 # endif 515 #endif 516 517 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 518 # define Z_LFS64 519 #endif 520 521 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) 522 # define Z_LARGE64 523 #endif 524 525 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) 526 # define Z_WANT64 527 #endif 528 529 #if !defined(SEEK_SET) && !defined(Z_SOLO) 530 # define SEEK_SET 0 /* Seek from beginning of file. */ 531 # define SEEK_CUR 1 /* Seek from current position. */ 532 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 533 #endif 534 535 #ifndef z_off_t 536 # define z_off_t long 537 #endif 538 539 #if !defined(_WIN32) && defined(Z_LARGE64) 540 # define z_off64_t off64_t 541 #else 542 # if defined(_WIN32) && !defined(__GNUC__) 543 # define z_off64_t __int64 544 # else 545 # define z_off64_t z_off_t 546 # endif 547 #endif 548 549 /* MVS linker does not support external names larger than 8 bytes */ 550 #if defined(__MVS__) 551 #pragma map(deflateInit_,"DEIN") 552 #pragma map(deflateInit2_,"DEIN2") 553 #pragma map(deflateEnd,"DEEND") 554 #pragma map(deflateBound,"DEBND") 555 #pragma map(inflateInit_,"ININ") 556 #pragma map(inflateInit2_,"ININ2") 557 #pragma map(inflateEnd,"INEND") 558 #pragma map(inflateSync,"INSY") 559 #pragma map(inflateSetDictionary,"INSEDI") 560 #pragma map(compressBound,"CMBND") 561 #pragma map(inflate_table,"INTABL") 562 #pragma map(inflate_fast,"INFA") 563 #pragma map(inflate_copyright,"INCOPY") 564 #endif 565 566 #endif /* ZCONF_H */ 567