1 /* $NetBSD: zconf.h,v 1.4 2022/10/15 19:49:32 christos Exp $ */ 2 3 /* zconf.h -- configuration of the zlib compression library 4 * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler 5 * For conditions of distribution and use, see copyright notice in zlib.h 6 */ 7 8 /* @(#) Id */ 9 10 #ifndef ZCONF_H 11 #define ZCONF_H 12 13 #include <sys/types.h> 14 15 /* 16 * If you *really* need a unique prefix for all types and library functions, 17 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 18 * Even better than compiling with -DZ_PREFIX would be to use configure to set 19 * this permanently in zconf.h using "./configure --zprefix". 20 */ 21 #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ 22 # define Z_PREFIX_SET 23 24 /* all linked symbols and init macros */ 25 # define _dist_code z__dist_code 26 # define _length_code z__length_code 27 # define _tr_align z__tr_align 28 # define _tr_flush_bits z__tr_flush_bits 29 # define _tr_flush_block z__tr_flush_block 30 # define _tr_init z__tr_init 31 # define _tr_stored_block z__tr_stored_block 32 # define _tr_tally z__tr_tally 33 # define adler32 z_adler32 34 # define adler32_combine z_adler32_combine 35 # define adler32_combine64 z_adler32_combine64 36 # define adler32_z z_adler32_z 37 # ifndef Z_SOLO 38 # define compress z_compress 39 # define compress2 z_compress2 40 # define compressBound z_compressBound 41 # endif 42 # define crc32 z_crc32 43 # define crc32_combine z_crc32_combine 44 # define crc32_combine64 z_crc32_combine64 45 # define crc32_combine_gen z_crc32_combine_gen 46 # define crc32_combine_gen64 z_crc32_combine_gen64 47 # define crc32_combine_op z_crc32_combine_op 48 # define crc32_z z_crc32_z 49 # define deflate z_deflate 50 # define deflateBound z_deflateBound 51 # define deflateCopy z_deflateCopy 52 # define deflateEnd z_deflateEnd 53 # define deflateGetDictionary z_deflateGetDictionary 54 # define deflateInit z_deflateInit 55 # define deflateInit2 z_deflateInit2 56 # define deflateInit2_ z_deflateInit2_ 57 # define deflateInit_ z_deflateInit_ 58 # define deflateParams z_deflateParams 59 # define deflatePending z_deflatePending 60 # define deflatePrime z_deflatePrime 61 # define deflateReset z_deflateReset 62 # define deflateResetKeep z_deflateResetKeep 63 # define deflateSetDictionary z_deflateSetDictionary 64 # define deflateSetHeader z_deflateSetHeader 65 # define deflateTune z_deflateTune 66 # define deflate_copyright z_deflate_copyright 67 # define get_crc_table z_get_crc_table 68 # ifndef Z_SOLO 69 # define gz_error z_gz_error 70 # define gz_intmax z_gz_intmax 71 # define gz_strwinerror z_gz_strwinerror 72 # define gzbuffer z_gzbuffer 73 # define gzclearerr z_gzclearerr 74 # define gzclose z_gzclose 75 # define gzclose_r z_gzclose_r 76 # define gzclose_w z_gzclose_w 77 # define gzdirect z_gzdirect 78 # define gzdopen z_gzdopen 79 # define gzeof z_gzeof 80 # define gzerror z_gzerror 81 # define gzflush z_gzflush 82 # define gzfread z_gzfread 83 # define gzfwrite z_gzfwrite 84 # define gzgetc z_gzgetc 85 # define gzgetc_ z_gzgetc_ 86 # define gzgets z_gzgets 87 # define gzoffset z_gzoffset 88 # define gzoffset64 z_gzoffset64 89 # define gzopen z_gzopen 90 # define gzopen64 z_gzopen64 91 # ifdef _WIN32 92 # define gzopen_w z_gzopen_w 93 # endif 94 # define gzprintf z_gzprintf 95 # define gzputc z_gzputc 96 # define gzputs z_gzputs 97 # define gzread z_gzread 98 # define gzrewind z_gzrewind 99 # define gzseek z_gzseek 100 # define gzseek64 z_gzseek64 101 # define gzsetparams z_gzsetparams 102 # define gztell z_gztell 103 # define gztell64 z_gztell64 104 # define gzungetc z_gzungetc 105 # define gzvprintf z_gzvprintf 106 # define gzwrite z_gzwrite 107 # endif 108 # define inflate z_inflate 109 # define inflateBack z_inflateBack 110 # define inflateBackEnd z_inflateBackEnd 111 # define inflateBackInit z_inflateBackInit 112 # define inflateBackInit_ z_inflateBackInit_ 113 # define inflateCodesUsed z_inflateCodesUsed 114 # define inflateCopy z_inflateCopy 115 # define inflateEnd z_inflateEnd 116 # define inflateGetDictionary z_inflateGetDictionary 117 # define inflateGetHeader z_inflateGetHeader 118 # define inflateInit z_inflateInit 119 # define inflateInit2 z_inflateInit2 120 # define inflateInit2_ z_inflateInit2_ 121 # define inflateInit_ z_inflateInit_ 122 # define inflateMark z_inflateMark 123 # define inflatePrime z_inflatePrime 124 # define inflateReset z_inflateReset 125 # define inflateReset2 z_inflateReset2 126 # define inflateResetKeep z_inflateResetKeep 127 # define inflateSetDictionary z_inflateSetDictionary 128 # define inflateSync z_inflateSync 129 # define inflateSyncPoint z_inflateSyncPoint 130 # define inflateUndermine z_inflateUndermine 131 # define inflateValidate z_inflateValidate 132 # define inflate_copyright z_inflate_copyright 133 # define inflate_fast z_inflate_fast 134 # define inflate_table z_inflate_table 135 # ifndef Z_SOLO 136 # define uncompress z_uncompress 137 # define uncompress2 z_uncompress2 138 # endif 139 # define zError z_zError 140 # ifndef Z_SOLO 141 # define zcalloc z_zcalloc 142 # define zcfree z_zcfree 143 # endif 144 # define zlibCompileFlags z_zlibCompileFlags 145 # define zlibVersion z_zlibVersion 146 147 /* all zlib typedefs in zlib.h and zconf.h */ 148 # define Byte z_Byte 149 # define Bytef z_Bytef 150 # define alloc_func z_alloc_func 151 # define charf z_charf 152 # define free_func z_free_func 153 # ifndef Z_SOLO 154 # define gzFile z_gzFile 155 # endif 156 # define gz_header z_gz_header 157 # define gz_headerp z_gz_headerp 158 # define in_func z_in_func 159 # define intf z_intf 160 # define out_func z_out_func 161 # define uInt z_uInt 162 # define uIntf z_uIntf 163 # define uLong z_uLong 164 # define uLongf z_uLongf 165 # define voidp z_voidp 166 # define voidpc z_voidpc 167 # define voidpf z_voidpf 168 169 /* all zlib structs in zlib.h and zconf.h */ 170 # define gz_header_s z_gz_header_s 171 # define internal_state z_internal_state 172 173 #endif 174 175 #if defined(__MSDOS__) && !defined(MSDOS) 176 # define MSDOS 177 #endif 178 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 179 # define OS2 180 #endif 181 #if defined(_WINDOWS) && !defined(WINDOWS) 182 # define WINDOWS 183 #endif 184 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 185 # ifndef WIN32 186 # define WIN32 187 # endif 188 #endif 189 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 190 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 191 # ifndef SYS16BIT 192 # define SYS16BIT 193 # endif 194 # endif 195 #endif 196 197 /* 198 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 199 * than 64k bytes at a time (needed on systems with 16-bit int). 200 */ 201 #ifdef SYS16BIT 202 # define MAXSEG_64K 203 #endif 204 #ifdef MSDOS 205 # define UNALIGNED_OK 206 #endif 207 208 #ifdef __STDC_VERSION__ 209 # ifndef STDC 210 # define STDC 211 # endif 212 # if __STDC_VERSION__ >= 199901L 213 # ifndef STDC99 214 # define STDC99 215 # endif 216 # endif 217 #endif 218 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 219 # define STDC 220 #endif 221 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 222 # define STDC 223 #endif 224 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 225 # define STDC 226 #endif 227 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 228 # define STDC 229 #endif 230 231 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 232 # define STDC 233 #endif 234 235 #ifndef STDC 236 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 237 # define const /* note: need a more gentle solution here */ 238 # endif 239 #endif 240 241 #if defined(ZLIB_CONST) && !defined(z_const) 242 # define z_const const 243 #else 244 # define z_const 245 #endif 246 247 #ifdef Z_SOLO 248 typedef unsigned long z_size_t; 249 #else 250 # define z_longlong long long 251 # if defined(NO_SIZE_T) 252 typedef unsigned NO_SIZE_T z_size_t; 253 # elif defined(STDC) 254 # if defined(_KERNEL) || defined(_STANDALONE) 255 # include <lib/libkern/libkern.h> 256 # else 257 # include <stddef.h> 258 # endif 259 typedef size_t z_size_t; 260 # else 261 typedef unsigned long z_size_t; 262 # endif 263 # undef z_longlong 264 #endif 265 266 /* Maximum value for memLevel in deflateInit2 */ 267 #ifndef MAX_MEM_LEVEL 268 # ifdef MAXSEG_64K 269 # define MAX_MEM_LEVEL 8 270 # else 271 # define MAX_MEM_LEVEL 9 272 # endif 273 #endif 274 275 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 276 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 277 * created by gzip. (Files created by minigzip can still be extracted by 278 * gzip.) 279 */ 280 #ifndef MAX_WBITS 281 # define MAX_WBITS 15 /* 32K LZ77 window */ 282 #endif 283 284 /* The memory requirements for deflate are (in bytes): 285 (1 << (windowBits+2)) + (1 << (memLevel+9)) 286 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 287 plus a few kilobytes for small objects. For example, if you want to reduce 288 the default memory requirements from 256K to 128K, compile with 289 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 290 Of course this will generally degrade compression (there's no free lunch). 291 292 The memory requirements for inflate are (in bytes) 1 << windowBits 293 that is, 32K for windowBits=15 (default value) plus about 7 kilobytes 294 for small objects. 295 */ 296 297 /* Type declarations */ 298 299 #ifndef OF /* function prototypes */ 300 # ifdef STDC 301 # define OF(args) args 302 # else 303 # define OF(args) () 304 # endif 305 #endif 306 307 #ifndef Z_ARG /* function prototypes for stdarg */ 308 # if defined(STDC) || defined(Z_HAVE_STDARG_H) 309 # define Z_ARG(args) args 310 # else 311 # define Z_ARG(args) () 312 # endif 313 #endif 314 315 /* The following definitions for FAR are needed only for MSDOS mixed 316 * model programming (small or medium model with some far allocations). 317 * This was tested only with MSC; for other MSDOS compilers you may have 318 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 319 * just define FAR to be empty. 320 */ 321 #ifdef SYS16BIT 322 # if defined(M_I86SM) || defined(M_I86MM) 323 /* MSC small or medium model */ 324 # define SMALL_MEDIUM 325 # ifdef _MSC_VER 326 # define FAR _far 327 # else 328 # define FAR far 329 # endif 330 # endif 331 # if (defined(__SMALL__) || defined(__MEDIUM__)) 332 /* Turbo C small or medium model */ 333 # define SMALL_MEDIUM 334 # ifdef __BORLANDC__ 335 # define FAR _far 336 # else 337 # define FAR far 338 # endif 339 # endif 340 #endif 341 342 #if defined(WINDOWS) || defined(WIN32) 343 /* If building or using zlib as a DLL, define ZLIB_DLL. 344 * This is not mandatory, but it offers a little performance increase. 345 */ 346 # ifdef ZLIB_DLL 347 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 348 # ifdef ZLIB_INTERNAL 349 # define ZEXTERN extern __declspec(dllexport) 350 # else 351 # define ZEXTERN extern __declspec(dllimport) 352 # endif 353 # endif 354 # endif /* ZLIB_DLL */ 355 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 356 * define ZLIB_WINAPI. 357 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 358 */ 359 # ifdef ZLIB_WINAPI 360 # ifdef FAR 361 # undef FAR 362 # endif 363 # ifndef WIN32_LEAN_AND_MEAN 364 # define WIN32_LEAN_AND_MEAN 365 # endif 366 # include <windows.h> 367 /* No need for _export, use ZLIB.DEF instead. */ 368 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 369 # define ZEXPORT WINAPI 370 # ifdef WIN32 371 # define ZEXPORTVA WINAPIV 372 # else 373 # define ZEXPORTVA FAR CDECL 374 # endif 375 # endif 376 #endif 377 378 #if defined (__BEOS__) 379 # ifdef ZLIB_DLL 380 # ifdef ZLIB_INTERNAL 381 # define ZEXPORT __declspec(dllexport) 382 # define ZEXPORTVA __declspec(dllexport) 383 # else 384 # define ZEXPORT __declspec(dllimport) 385 # define ZEXPORTVA __declspec(dllimport) 386 # endif 387 # endif 388 #endif 389 390 #ifndef ZEXTERN 391 # define ZEXTERN extern 392 #endif 393 #ifndef ZEXPORT 394 # define ZEXPORT 395 #endif 396 #ifndef ZEXPORTVA 397 # define ZEXPORTVA 398 #endif 399 400 #ifndef FAR 401 # define FAR 402 #endif 403 404 #if !defined(__MACTYPES__) 405 typedef unsigned char Byte; /* 8 bits */ 406 #endif 407 typedef unsigned int uInt; /* 16 bits or more */ 408 typedef unsigned long uLong; /* 32 bits or more */ 409 410 #ifdef SMALL_MEDIUM 411 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 412 # define Bytef Byte FAR 413 #else 414 typedef Byte FAR Bytef; 415 #endif 416 typedef char FAR charf; 417 typedef int FAR intf; 418 typedef uInt FAR uIntf; 419 typedef uLong FAR uLongf; 420 421 #ifdef STDC 422 typedef void const *voidpc; 423 typedef void FAR *voidpf; 424 typedef void *voidp; 425 #else 426 typedef Byte const *voidpc; 427 typedef Byte FAR *voidpf; 428 typedef Byte *voidp; 429 #endif 430 431 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) 432 # if defined(_KERNEL) || defined(_STANDALONE) 433 # include <machine/limits.h> 434 # else 435 # include <limits.h> 436 # endif 437 # if (UINT_MAX == 0xffffffffUL) 438 # define Z_U4 unsigned 439 # elif (ULONG_MAX == 0xffffffffUL) 440 # define Z_U4 unsigned long 441 # elif (USHRT_MAX == 0xffffffffUL) 442 # define Z_U4 unsigned short 443 # endif 444 #endif 445 446 #ifdef Z_U4 447 typedef Z_U4 z_crc_t; 448 #else 449 typedef unsigned long z_crc_t; 450 #endif 451 452 #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ 453 # define Z_HAVE_UNISTD_H 454 #endif 455 456 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ 457 # define Z_HAVE_STDARG_H 458 #endif 459 460 #ifdef STDC 461 # ifndef Z_SOLO 462 # include <sys/types.h> /* for off_t */ 463 # endif 464 #endif 465 466 #if defined(STDC) || defined(Z_HAVE_STDARG_H) 467 # ifndef Z_SOLO 468 # if defined(_KERNEL) || defined(_STANDALONE) 469 # include <sys/stdarg.h> /* for va_list */ 470 # else 471 # include <stdarg.h> /* for va_list */ 472 # endif 473 # endif 474 #endif 475 476 #ifdef _WIN32 477 # ifndef Z_SOLO 478 # include <stddef.h> /* for wchar_t */ 479 # endif 480 #endif 481 482 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 483 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 484 * though the former does not conform to the LFS document), but considering 485 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 486 * equivalently requesting no 64-bit operations 487 */ 488 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 489 # undef _LARGEFILE64_SOURCE 490 #endif 491 492 #ifndef Z_HAVE_UNISTD_H 493 # ifdef __WATCOMC__ 494 # define Z_HAVE_UNISTD_H 495 # endif 496 #endif 497 #ifndef Z_HAVE_UNISTD_H 498 # if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) 499 # define Z_HAVE_UNISTD_H 500 # endif 501 #endif 502 #ifndef Z_SOLO 503 # if defined(Z_HAVE_UNISTD_H) 504 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ 505 # ifdef VMS 506 # include <unixio.h> /* for off_t */ 507 # endif 508 # ifndef z_off_t 509 # define z_off_t off_t 510 # endif 511 # endif 512 #endif 513 514 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 515 # define Z_LFS64 516 #endif 517 518 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) 519 # define Z_LARGE64 520 #endif 521 522 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) 523 # define Z_WANT64 524 #endif 525 526 #if !defined(SEEK_SET) && !defined(Z_SOLO) 527 # define SEEK_SET 0 /* Seek from beginning of file. */ 528 # define SEEK_CUR 1 /* Seek from current position. */ 529 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 530 #endif 531 532 #ifndef z_off_t 533 # define z_off_t long 534 #endif 535 #ifndef z_ptrdiff_t 536 # define z_ptrdiff_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__) && !defined(Z_SOLO) 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