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 // ANDROID CHNAGE: Upstream chromium renames all the functions; we don't want 12 // that. 13 #define CHROMIUM_ZLIB_NO_CHROMECONF 14 15 /* 16 * This library is also built as a part of AOSP, which does not need to include 17 * chromeconf.h. This config does not want chromeconf.h, so it can set this 18 * macro to opt out. While this works today, there's no guarantee that building 19 * zlib outside of Chromium keeps working in the future. 20 */ 21 #if !defined(CHROMIUM_ZLIB_NO_CHROMECONF) 22 /* This include does prefixing as below, but with an updated set of names. Also 23 * sets up export macros in component builds. */ 24 #include "chromeconf.h" 25 #endif 26 27 /* 28 * If you *really* need a unique prefix for all types and library functions, 29 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 30 * Even better than compiling with -DZ_PREFIX would be to use configure to set 31 * this permanently in zconf.h using "./configure --zprefix". 32 */ 33 #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ 34 # define Z_PREFIX_SET 35 36 /* all linked symbols and init macros */ 37 # define _dist_code z__dist_code 38 # define _length_code z__length_code 39 # define _tr_align z__tr_align 40 # define _tr_flush_bits z__tr_flush_bits 41 # define _tr_flush_block z__tr_flush_block 42 # define _tr_init z__tr_init 43 # define _tr_stored_block z__tr_stored_block 44 # define _tr_tally z__tr_tally 45 # define adler32 z_adler32 46 # define adler32_combine z_adler32_combine 47 # define adler32_combine64 z_adler32_combine64 48 # define adler32_z z_adler32_z 49 # ifndef Z_SOLO 50 # define compress z_compress 51 # define compress2 z_compress2 52 # define compressBound z_compressBound 53 # endif 54 # define crc32 z_crc32 55 # define crc32_combine z_crc32_combine 56 # define crc32_combine64 z_crc32_combine64 57 # define crc32_combine_gen z_crc32_combine_gen 58 # define crc32_combine_gen64 z_crc32_combine_gen64 59 # define crc32_combine_op z_crc32_combine_op 60 # define crc32_z z_crc32_z 61 # define deflate z_deflate 62 # define deflateBound z_deflateBound 63 # define deflateCopy z_deflateCopy 64 # define deflateEnd z_deflateEnd 65 # define deflateGetDictionary z_deflateGetDictionary 66 # define deflateInit z_deflateInit 67 # define deflateInit2 z_deflateInit2 68 # define deflateInit2_ z_deflateInit2_ 69 # define deflateInit_ z_deflateInit_ 70 # define deflateParams z_deflateParams 71 # define deflatePending z_deflatePending 72 # define deflatePrime z_deflatePrime 73 # define deflateReset z_deflateReset 74 # define deflateResetKeep z_deflateResetKeep 75 # define deflateSetDictionary z_deflateSetDictionary 76 # define deflateSetHeader z_deflateSetHeader 77 # define deflateTune z_deflateTune 78 # define deflate_copyright z_deflate_copyright 79 # define get_crc_table z_get_crc_table 80 # ifndef Z_SOLO 81 # define gz_error z_gz_error 82 # define gz_intmax z_gz_intmax 83 # define gz_strwinerror z_gz_strwinerror 84 # define gzbuffer z_gzbuffer 85 # define gzclearerr z_gzclearerr 86 # define gzclose z_gzclose 87 # define gzclose_r z_gzclose_r 88 # define gzclose_w z_gzclose_w 89 # define gzdirect z_gzdirect 90 # define gzdopen z_gzdopen 91 # define gzeof z_gzeof 92 # define gzerror z_gzerror 93 # define gzflush z_gzflush 94 # define gzfread z_gzfread 95 # define gzfwrite z_gzfwrite 96 # define gzgetc z_gzgetc 97 # define gzgetc_ z_gzgetc_ 98 # define gzgets z_gzgets 99 # define gzoffset z_gzoffset 100 # define gzoffset64 z_gzoffset64 101 # define gzopen z_gzopen 102 # define gzopen64 z_gzopen64 103 # ifdef _WIN32 104 # define gzopen_w z_gzopen_w 105 # endif 106 # define gzprintf z_gzprintf 107 # define gzputc z_gzputc 108 # define gzputs z_gzputs 109 # define gzread z_gzread 110 # define gzrewind z_gzrewind 111 # define gzseek z_gzseek 112 # define gzseek64 z_gzseek64 113 # define gzsetparams z_gzsetparams 114 # define gztell z_gztell 115 # define gztell64 z_gztell64 116 # define gzungetc z_gzungetc 117 # define gzvprintf z_gzvprintf 118 # define gzwrite z_gzwrite 119 # endif 120 # define inflate z_inflate 121 # define inflateBack z_inflateBack 122 # define inflateBackEnd z_inflateBackEnd 123 # define inflateBackInit z_inflateBackInit 124 # define inflateBackInit_ z_inflateBackInit_ 125 # define inflateCodesUsed z_inflateCodesUsed 126 # define inflateCopy z_inflateCopy 127 # define inflateEnd z_inflateEnd 128 # define inflateGetDictionary z_inflateGetDictionary 129 # define inflateGetHeader z_inflateGetHeader 130 # define inflateInit z_inflateInit 131 # define inflateInit2 z_inflateInit2 132 # define inflateInit2_ z_inflateInit2_ 133 # define inflateInit_ z_inflateInit_ 134 # define inflateMark z_inflateMark 135 # define inflatePrime z_inflatePrime 136 # define inflateReset z_inflateReset 137 # define inflateReset2 z_inflateReset2 138 # define inflateResetKeep z_inflateResetKeep 139 # define inflateSetDictionary z_inflateSetDictionary 140 # define inflateSync z_inflateSync 141 # define inflateSyncPoint z_inflateSyncPoint 142 # define inflateUndermine z_inflateUndermine 143 # define inflateValidate z_inflateValidate 144 # define inflate_copyright z_inflate_copyright 145 # define inflate_fast z_inflate_fast 146 # define inflate_table z_inflate_table 147 # ifndef Z_SOLO 148 # define uncompress z_uncompress 149 # define uncompress2 z_uncompress2 150 # endif 151 # define zError z_zError 152 # ifndef Z_SOLO 153 # define zcalloc z_zcalloc 154 # define zcfree z_zcfree 155 # endif 156 # define zlibCompileFlags z_zlibCompileFlags 157 # define zlibVersion z_zlibVersion 158 159 /* all zlib typedefs in zlib.h and zconf.h */ 160 # define Byte z_Byte 161 # define Bytef z_Bytef 162 # define alloc_func z_alloc_func 163 # define charf z_charf 164 # define free_func z_free_func 165 # ifndef Z_SOLO 166 # define gzFile z_gzFile 167 # endif 168 # define gz_header z_gz_header 169 # define gz_headerp z_gz_headerp 170 # define in_func z_in_func 171 # define intf z_intf 172 # define out_func z_out_func 173 # define uInt z_uInt 174 # define uIntf z_uIntf 175 # define uLong z_uLong 176 # define uLongf z_uLongf 177 # define voidp z_voidp 178 # define voidpc z_voidpc 179 # define voidpf z_voidpf 180 181 /* all zlib structs in zlib.h and zconf.h */ 182 # define gz_header_s z_gz_header_s 183 # define internal_state z_internal_state 184 185 #endif 186 187 #if defined(__MSDOS__) && !defined(MSDOS) 188 # define MSDOS 189 #endif 190 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 191 # define OS2 192 #endif 193 #if defined(_WINDOWS) && !defined(WINDOWS) 194 # define WINDOWS 195 #endif 196 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 197 # ifndef WIN32 198 # define WIN32 199 # endif 200 #endif 201 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 202 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 203 # ifndef SYS16BIT 204 # define SYS16BIT 205 # endif 206 # endif 207 #endif 208 209 /* 210 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 211 * than 64k bytes at a time (needed on systems with 16-bit int). 212 */ 213 #ifdef SYS16BIT 214 # define MAXSEG_64K 215 #endif 216 #ifdef MSDOS 217 # define UNALIGNED_OK 218 #endif 219 220 #ifdef __STDC_VERSION__ 221 # ifndef STDC 222 # define STDC 223 # endif 224 # if __STDC_VERSION__ >= 199901L 225 # ifndef STDC99 226 # define STDC99 227 # endif 228 # endif 229 #endif 230 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 231 # define STDC 232 #endif 233 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 234 # define STDC 235 #endif 236 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 237 # define STDC 238 #endif 239 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 240 # define STDC 241 #endif 242 243 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 244 # define STDC 245 #endif 246 247 #ifndef STDC 248 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 249 # define const /* note: need a more gentle solution here */ 250 # endif 251 #endif 252 253 #if defined(ZLIB_CONST) && !defined(z_const) 254 # define z_const const 255 #else 256 # define z_const 257 #endif 258 259 #ifdef Z_SOLO 260 # ifdef _WIN64 261 typedef unsigned long long z_size_t; 262 # else 263 typedef unsigned long z_size_t; 264 # endif 265 #else 266 # define z_longlong long long 267 # if defined(NO_SIZE_T) 268 typedef unsigned NO_SIZE_T z_size_t; 269 # elif defined(STDC) 270 # include <stddef.h> 271 typedef size_t z_size_t; 272 # else 273 typedef unsigned long z_size_t; 274 # endif 275 # undef z_longlong 276 #endif 277 278 /* Maximum value for memLevel in deflateInit2 */ 279 #ifndef MAX_MEM_LEVEL 280 # ifdef MAXSEG_64K 281 # define MAX_MEM_LEVEL 8 282 # else 283 # define MAX_MEM_LEVEL 9 284 # endif 285 #endif 286 287 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 288 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 289 * created by gzip. (Files created by minigzip can still be extracted by 290 * gzip.) 291 */ 292 #ifndef MAX_WBITS 293 # define MAX_WBITS 15 /* 32K LZ77 window */ 294 #endif 295 296 /* The memory requirements for deflate are (in bytes): 297 (1 << (windowBits+2)) + (1 << (memLevel+9)) 298 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 299 plus a few kilobytes for small objects. For example, if you want to reduce 300 the default memory requirements from 256K to 128K, compile with 301 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 302 Of course this will generally degrade compression (there's no free lunch). 303 304 The memory requirements for inflate are (in bytes) 1 << windowBits 305 that is, 32K for windowBits=15 (default value) plus about 7 kilobytes 306 for small objects. 307 */ 308 309 /* Type declarations */ 310 311 #ifndef OF /* function prototypes */ 312 # ifdef STDC 313 # define OF(args) args 314 # else 315 # define OF(args) () 316 # endif 317 #endif 318 319 #ifndef Z_ARG /* function prototypes for stdarg */ 320 # if defined(STDC) || defined(Z_HAVE_STDARG_H) 321 # define Z_ARG(args) args 322 # else 323 # define Z_ARG(args) () 324 # endif 325 #endif 326 327 /* The following definitions for FAR are needed only for MSDOS mixed 328 * model programming (small or medium model with some far allocations). 329 * This was tested only with MSC; for other MSDOS compilers you may have 330 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 331 * just define FAR to be empty. 332 */ 333 #ifdef SYS16BIT 334 # if defined(M_I86SM) || defined(M_I86MM) 335 /* MSC small or medium model */ 336 # define SMALL_MEDIUM 337 # ifdef _MSC_VER 338 # define FAR _far 339 # else 340 # define FAR far 341 # endif 342 # endif 343 # if (defined(__SMALL__) || defined(__MEDIUM__)) 344 /* Turbo C small or medium model */ 345 # define SMALL_MEDIUM 346 # ifdef __BORLANDC__ 347 # define FAR _far 348 # else 349 # define FAR far 350 # endif 351 # endif 352 #endif 353 354 #if defined(WINDOWS) || defined(WIN32) 355 /* If building or using zlib as a DLL, define ZLIB_DLL. 356 * This is not mandatory, but it offers a little performance increase. 357 */ 358 # ifdef ZLIB_DLL 359 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 360 # ifdef ZLIB_INTERNAL 361 # define ZEXTERN extern __declspec(dllexport) 362 # else 363 # define ZEXTERN extern __declspec(dllimport) 364 # endif 365 # endif 366 # endif /* ZLIB_DLL */ 367 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 368 * define ZLIB_WINAPI. 369 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 370 */ 371 # ifdef ZLIB_WINAPI 372 # ifdef FAR 373 # undef FAR 374 # endif 375 # ifndef WIN32_LEAN_AND_MEAN 376 # define WIN32_LEAN_AND_MEAN 377 # endif 378 # include <windows.h> 379 /* No need for _export, use ZLIB.DEF instead. */ 380 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 381 # define ZEXPORT WINAPI 382 # ifdef WIN32 383 # define ZEXPORTVA WINAPIV 384 # else 385 # define ZEXPORTVA FAR CDECL 386 # endif 387 # endif 388 #endif 389 390 #if defined (__BEOS__) 391 # ifdef ZLIB_DLL 392 # ifdef ZLIB_INTERNAL 393 # define ZEXPORT __declspec(dllexport) 394 # define ZEXPORTVA __declspec(dllexport) 395 # else 396 # define ZEXPORT __declspec(dllimport) 397 # define ZEXPORTVA __declspec(dllimport) 398 # endif 399 # endif 400 #endif 401 402 #ifndef ZEXTERN 403 # define ZEXTERN extern 404 #endif 405 #ifndef ZEXPORT 406 # define ZEXPORT 407 #endif 408 #ifndef ZEXPORTVA 409 # define ZEXPORTVA 410 #endif 411 412 #ifndef FAR 413 # define FAR 414 #endif 415 #ifndef far 416 # define far 417 #endif 418 419 #if !defined(__MACTYPES__) 420 typedef unsigned char Byte; /* 8 bits */ 421 #endif 422 typedef unsigned int uInt; /* 16 bits or more */ 423 typedef unsigned long uLong; /* 32 bits or more */ 424 425 #ifdef SMALL_MEDIUM 426 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 427 # define Bytef Byte FAR 428 #else 429 typedef Byte FAR Bytef; 430 #endif 431 typedef char FAR charf; 432 typedef int FAR intf; 433 typedef uInt FAR uIntf; 434 typedef uLong FAR uLongf; 435 436 #ifdef STDC 437 typedef void const *voidpc; 438 typedef void FAR *voidpf; 439 typedef void *voidp; 440 #else 441 typedef Byte const *voidpc; 442 typedef Byte FAR *voidpf; 443 typedef Byte *voidp; 444 #endif 445 446 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) 447 # include <limits.h> 448 # if (UINT_MAX == 0xffffffffUL) 449 # define Z_U4 unsigned 450 # elif (ULONG_MAX == 0xffffffffUL) 451 # define Z_U4 unsigned long 452 # elif (USHRT_MAX == 0xffffffffUL) 453 # define Z_U4 unsigned short 454 # endif 455 #endif 456 457 #ifdef Z_U4 458 typedef Z_U4 z_crc_t; 459 #else 460 typedef unsigned long z_crc_t; 461 #endif 462 463 #if !defined(_WIN32) 464 # define Z_HAVE_UNISTD_H 465 #endif 466 467 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ 468 # define Z_HAVE_STDARG_H 469 #endif 470 471 #ifdef STDC 472 # ifndef Z_SOLO 473 # include <sys/types.h> /* for off_t */ 474 # endif 475 #endif 476 477 #if defined(STDC) || defined(Z_HAVE_STDARG_H) 478 # ifndef Z_SOLO 479 # include <stdarg.h> /* for va_list */ 480 # endif 481 #endif 482 483 #ifdef _WIN32 484 # ifndef Z_SOLO 485 # include <stddef.h> /* for wchar_t */ 486 # endif 487 #endif 488 489 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 490 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 491 * though the former does not conform to the LFS document), but considering 492 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 493 * equivalently requesting no 64-bit operations 494 */ 495 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 496 # undef _LARGEFILE64_SOURCE 497 #endif 498 499 #ifndef Z_HAVE_UNISTD_H 500 # ifdef __WATCOMC__ 501 # define Z_HAVE_UNISTD_H 502 # endif 503 #endif 504 #ifndef Z_HAVE_UNISTD_H 505 # if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) 506 # define Z_HAVE_UNISTD_H 507 # endif 508 #endif 509 #ifndef Z_SOLO 510 # if defined(Z_HAVE_UNISTD_H) 511 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ 512 # ifdef VMS 513 # include <unixio.h> /* for off_t */ 514 # endif 515 # ifndef z_off_t 516 # define z_off_t off_t 517 # endif 518 # endif 519 #endif 520 521 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 522 # define Z_LFS64 523 #endif 524 525 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) 526 # define Z_LARGE64 527 #endif 528 529 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) 530 # define Z_WANT64 531 #endif 532 533 #if !defined(SEEK_SET) && !defined(Z_SOLO) 534 # define SEEK_SET 0 /* Seek from beginning of file. */ 535 # define SEEK_CUR 1 /* Seek from current position. */ 536 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 537 #endif 538 539 #ifndef z_off_t 540 # define z_off_t long 541 #endif 542 543 #if !defined(_WIN32) && defined(Z_LARGE64) 544 # define z_off64_t off64_t 545 #else 546 # if defined(_WIN32) && !defined(__GNUC__) 547 # define z_off64_t __int64 548 # else 549 # define z_off64_t z_off_t 550 # endif 551 #endif 552 553 /* MVS linker does not support external names larger than 8 bytes */ 554 #if defined(__MVS__) 555 #pragma map(deflateInit_,"DEIN") 556 #pragma map(deflateInit2_,"DEIN2") 557 #pragma map(deflateEnd,"DEEND") 558 #pragma map(deflateBound,"DEBND") 559 #pragma map(inflateInit_,"ININ") 560 #pragma map(inflateInit2_,"ININ2") 561 #pragma map(inflateEnd,"INEND") 562 #pragma map(inflateSync,"INSY") 563 #pragma map(inflateSetDictionary,"INSEDI") 564 #pragma map(compressBound,"CMBND") 565 #pragma map(inflate_table,"INTABL") 566 #pragma map(inflate_fast,"INFA") 567 #pragma map(inflate_copyright,"INCOPY") 568 #endif 569 570 #endif /* ZCONF_H */ 571