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