1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2024 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 * 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 and init macros */ 21 # define _dist_code Perl_crz__dist_code 22 # define _length_code Perl_crz__length_code 23 # define _tr_align Perl_crz__tr_align 24 # define _tr_flush_bits Perl_crz__tr_flush_bits 25 # define _tr_flush_block Perl_crz__tr_flush_block 26 # define _tr_init Perl_crz__tr_init 27 # define _tr_stored_block Perl_crz__tr_stored_block 28 # define _tr_tally Perl_crz__tr_tally 29 # define adler32 Perl_crz_adler32 30 # define adler32_combine Perl_crz_adler32_combine 31 # define adler32_combine64 Perl_crz_adler32_combine64 32 # define adler32_z Perl_crz_adler32_z 33 # ifndef Z_SOLO 34 # define compress z_compress 35 # define compress2 z_compress2 36 # define compressBound z_compressBound 37 # endif 38 # define crc32 Perl_crz_crc32 39 # define crc32_combine Perl_crz_crc32_combine 40 # define crc32_combine64 Perl_crz_crc32_combine64 41 # define crc32_combine_gen Perl_crz_crc32_combine_gen 42 # define crc32_combine_gen64 Perl_crz_crc32_combine_gen64 43 # define crc32_combine_op Perl_crz_crc32_combine_op 44 # define crc32_z Perl_crz_crc32_z 45 # define deflate Perl_crz_deflate 46 # define deflateBound Perl_crz_deflateBound 47 # define deflateCopy Perl_crz_deflateCopy 48 # define deflateEnd Perl_crz_deflateEnd 49 # define deflateGetDictionary Perl_crz_deflateGetDictionary 50 # define deflateInit Perl_crz_deflateInit 51 # define deflateInit2 Perl_crz_deflateInit2 52 # define deflateInit2_ Perl_crz_deflateInit2_ 53 # define deflateInit_ Perl_crz_deflateInit_ 54 # define deflateParams Perl_crz_deflateParams 55 # define deflatePending Perl_crz_deflatePending 56 # define deflatePrime Perl_crz_deflatePrime 57 # define deflateReset Perl_crz_deflateReset 58 # define deflateResetKeep Perl_crz_deflateResetKeep 59 # define deflateSetDictionary Perl_crz_deflateSetDictionary 60 # define deflateSetHeader Perl_crz_deflateSetHeader 61 # define deflateTune Perl_crz_deflateTune 62 # define deflate_copyright Perl_crz_deflate_copyright 63 # define get_crc_table Perl_crz_get_crc_table 64 # ifndef Z_SOLO 65 # define gz_error z_gz_error 66 # define gz_intmax z_gz_intmax 67 # define gz_strwinerror z_gz_strwinerror 68 # define gzbuffer z_gzbuffer 69 # define gzclearerr z_gzclearerr 70 # define gzclose z_gzclose 71 # define gzclose_r z_gzclose_r 72 # define gzclose_w z_gzclose_w 73 # define gzdirect z_gzdirect 74 # define gzdopen z_gzdopen 75 # define gzeof z_gzeof 76 # define gzerror z_gzerror 77 # define gzflush z_gzflush 78 # define gzfread z_gzfread 79 # define gzfwrite z_gzfwrite 80 # define gzgetc z_gzgetc 81 # define gzgetc_ z_gzgetc_ 82 # define gzgets z_gzgets 83 # define gzoffset z_gzoffset 84 # define gzoffset64 z_gzoffset64 85 # define gzopen z_gzopen 86 # define gzopen64 z_gzopen64 87 # ifdef _WIN32 88 # define gzopen_w z_gzopen_w 89 # endif 90 # define gzprintf z_gzprintf 91 # define gzputc z_gzputc 92 # define gzputs z_gzputs 93 # define gzread z_gzread 94 # define gzrewind z_gzrewind 95 # define gzseek z_gzseek 96 # define gzseek64 z_gzseek64 97 # define gzsetparams z_gzsetparams 98 # define gztell z_gztell 99 # define gztell64 z_gztell64 100 # define gzungetc z_gzungetc 101 # define gzvprintf z_gzvprintf 102 # define gzwrite z_gzwrite 103 # endif 104 # define inflate Perl_crz_inflate 105 # define inflateBack Perl_crz_inflateBack 106 # define inflateBackEnd Perl_crz_inflateBackEnd 107 # define inflateBackInit Perl_crz_inflateBackInit 108 # define inflateBackInit_ Perl_crz_inflateBackInit_ 109 # define inflateCodesUsed Perl_crz_inflateCodesUsed 110 # define inflateCopy Perl_crz_inflateCopy 111 # define inflateEnd Perl_crz_inflateEnd 112 # define inflateGetDictionary Perl_crz_inflateGetDictionary 113 # define inflateGetHeader Perl_crz_inflateGetHeader 114 # define inflateInit Perl_crz_inflateInit 115 # define inflateInit2 Perl_crz_inflateInit2 116 # define inflateInit2_ Perl_crz_inflateInit2_ 117 # define inflateInit_ Perl_crz_inflateInit_ 118 # define inflateMark Perl_crz_inflateMark 119 # define inflatePrime Perl_crz_inflatePrime 120 # define inflateReset Perl_crz_inflateReset 121 # define inflateReset2 Perl_crz_inflateReset2 122 # define inflateResetKeep Perl_crz_inflateResetKeep 123 # define inflateSetDictionary Perl_crz_inflateSetDictionary 124 # define inflateSync Perl_crz_inflateSync 125 # define inflateSyncPoint Perl_crz_inflateSyncPoint 126 # define inflateUndermine Perl_crz_inflateUndermine 127 # define inflateValidate Perl_crz_inflateValidate 128 # define inflate_copyright Perl_crz_inflate_copyright 129 # define inflate_fast Perl_crz_inflate_fast 130 # define inflate_table Perl_crz_inflate_table 131 # ifndef Z_SOLO 132 # define uncompress z_uncompress 133 # define uncompress2 z_uncompress2 134 # endif 135 # define zError Perl_crz_zError 136 # ifndef Z_SOLO 137 # define zcalloc z_zcalloc 138 # define zcfree z_zcfree 139 # endif 140 # define zlibCompileFlags Perl_crz_zlibCompileFlags 141 # define zlibVersion Perl_crz_zlibVersion 142 143 /* all zlib typedefs in zlib.h and zconf.h */ 144 # define Byte Perl_crz_Byte 145 # define Bytef Perl_crz_Bytef 146 # define alloc_func Perl_crz_alloc_func 147 # define charf Perl_crz_charf 148 # define free_func Perl_crz_free_func 149 # ifndef Z_SOLO 150 # define gzFile z_gzFile 151 # endif 152 # define gz_header Perl_crz_gz_header 153 # define gz_headerp Perl_crz_gz_headerp 154 # define in_func Perl_crz_in_func 155 # define intf Perl_crz_intf 156 # define out_func Perl_crz_out_func 157 # define uInt Perl_crz_uInt 158 # define uIntf Perl_crz_uIntf 159 # define uLong Perl_crz_uLong 160 # define uLongf Perl_crz_uLongf 161 # define voidp Perl_crz_voidp 162 # define voidpc Perl_crz_voidpc 163 # define voidpf Perl_crz_voidpf 164 165 /* all zlib structs in zlib.h and zconf.h */ 166 # define gz_header_s Perl_crz_gz_header_s 167 # define internal_state Perl_crz_internal_state 168 169 #endif 170 171 #if defined(__MSDOS__) && !defined(MSDOS) 172 # define MSDOS 173 #endif 174 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 175 # define OS2 176 #endif 177 #if defined(_WINDOWS) && !defined(WINDOWS) 178 # define WINDOWS 179 #endif 180 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 181 # ifndef WIN32 182 # define WIN32 183 # endif 184 #endif 185 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 186 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 187 # ifndef SYS16BIT 188 # define SYS16BIT 189 # endif 190 # endif 191 #endif 192 193 /* 194 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 195 * than 64k bytes at a time (needed on systems with 16-bit int). 196 */ 197 #ifdef SYS16BIT 198 # define MAXSEG_64K 199 #endif 200 #ifdef MSDOS 201 # define UNALIGNED_OK 202 #endif 203 204 #ifdef __STDC_VERSION__ 205 # ifndef STDC 206 # define STDC 207 # endif 208 # if __STDC_VERSION__ >= 199901L 209 # ifndef STDC99 210 # define STDC99 211 # endif 212 # endif 213 #endif 214 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 215 # define STDC 216 #endif 217 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 218 # define STDC 219 #endif 220 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 221 # define STDC 222 #endif 223 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 224 # define STDC 225 #endif 226 227 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 228 # define STDC 229 #endif 230 231 #ifndef STDC 232 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 233 # define const /* note: need a more gentle solution here */ 234 # endif 235 #endif 236 237 #if defined(ZLIB_CONST) && !defined(z_const) 238 # define z_const const 239 #else 240 # define z_const 241 #endif 242 243 #ifdef Z_SOLO 244 # ifdef _WIN64 245 typedef unsigned long long z_size_t; 246 # else 247 typedef unsigned long z_size_t; 248 # endif 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 # include <stddef.h> 255 typedef size_t z_size_t; 256 # else 257 typedef unsigned long z_size_t; 258 # endif 259 # undef z_longlong 260 #endif 261 262 /* Maximum value for memLevel in deflateInit2 */ 263 #ifndef MAX_MEM_LEVEL 264 # ifdef MAXSEG_64K 265 # define MAX_MEM_LEVEL 8 266 # else 267 # define MAX_MEM_LEVEL 9 268 # endif 269 #endif 270 271 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 272 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 273 * created by gzip. (Files created by minigzip can still be extracted by 274 * gzip.) 275 */ 276 #ifndef MAX_WBITS 277 # define MAX_WBITS 15 /* 32K LZ77 window */ 278 #endif 279 280 /* The memory requirements for deflate are (in bytes): 281 (1 << (windowBits+2)) + (1 << (memLevel+9)) 282 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 283 plus a few kilobytes for small objects. For example, if you want to reduce 284 the default memory requirements from 256K to 128K, compile with 285 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 286 Of course this will generally degrade compression (there's no free lunch). 287 288 The memory requirements for inflate are (in bytes) 1 << windowBits 289 that is, 32K for windowBits=15 (default value) plus about 7 kilobytes 290 for small objects. 291 */ 292 293 /* Type declarations */ 294 295 #ifndef OF /* function prototypes */ 296 # ifdef STDC 297 # define OF(args) args 298 # else 299 # define OF(args) () 300 # endif 301 #endif 302 303 /* The following definitions for FAR are needed only for MSDOS mixed 304 * model programming (small or medium model with some far allocations). 305 * This was tested only with MSC; for other MSDOS compilers you may have 306 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 307 * just define FAR to be empty. 308 */ 309 #ifdef SYS16BIT 310 # if defined(M_I86SM) || defined(M_I86MM) 311 /* MSC small or medium model */ 312 # define SMALL_MEDIUM 313 # ifdef _MSC_VER 314 # define FAR _far 315 # else 316 # define FAR far 317 # endif 318 # endif 319 # if (defined(__SMALL__) || defined(__MEDIUM__)) 320 /* Turbo C small or medium model */ 321 # define SMALL_MEDIUM 322 # ifdef __BORLANDC__ 323 # define FAR _far 324 # else 325 # define FAR far 326 # endif 327 # endif 328 #endif 329 330 #if defined(WINDOWS) || defined(WIN32) 331 /* If building or using zlib as a DLL, define ZLIB_DLL. 332 * This is not mandatory, but it offers a little performance increase. 333 */ 334 # ifdef ZLIB_DLL 335 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 336 # ifdef ZLIB_INTERNAL 337 # define ZEXTERN extern __declspec(dllexport) 338 # else 339 # define ZEXTERN extern __declspec(dllimport) 340 # endif 341 # endif 342 # endif /* ZLIB_DLL */ 343 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 344 * define ZLIB_WINAPI. 345 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 346 */ 347 # ifdef ZLIB_WINAPI 348 # ifdef FAR 349 # undef FAR 350 # endif 351 # ifndef WIN32_LEAN_AND_MEAN 352 # define WIN32_LEAN_AND_MEAN 353 # endif 354 # include <windows.h> 355 /* No need for _export, use ZLIB.DEF instead. */ 356 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 357 # define ZEXPORT WINAPI 358 # ifdef WIN32 359 # define ZEXPORTVA WINAPIV 360 # else 361 # define ZEXPORTVA FAR CDECL 362 # endif 363 # endif 364 #endif 365 366 #if defined (__BEOS__) 367 # ifdef ZLIB_DLL 368 # ifdef ZLIB_INTERNAL 369 # define ZEXPORT __declspec(dllexport) 370 # define ZEXPORTVA __declspec(dllexport) 371 # else 372 # define ZEXPORT __declspec(dllimport) 373 # define ZEXPORTVA __declspec(dllimport) 374 # endif 375 # endif 376 #endif 377 378 #ifndef ZEXTERN 379 # define ZEXTERN extern 380 #endif 381 #ifndef ZEXPORT 382 # define ZEXPORT 383 #endif 384 #ifndef ZEXPORTVA 385 # define ZEXPORTVA 386 #endif 387 388 #ifndef FAR 389 # define FAR 390 #endif 391 392 #if !defined(__MACTYPES__) 393 typedef unsigned char Byte; /* 8 bits */ 394 #endif 395 typedef unsigned int uInt; /* 16 bits or more */ 396 typedef unsigned long uLong; /* 32 bits or more */ 397 398 #ifdef SMALL_MEDIUM 399 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 400 # define Bytef Byte FAR 401 #else 402 typedef Byte FAR Bytef; 403 #endif 404 typedef char FAR charf; 405 typedef int FAR intf; 406 typedef uInt FAR uIntf; 407 typedef uLong FAR uLongf; 408 409 #ifdef STDC 410 typedef void const *voidpc; 411 typedef Bytef *voidpf; 412 typedef Bytef *voidp; 413 #else 414 typedef Byte const *voidpc; 415 typedef Bytef *voidpf; 416 typedef Bytef *voidp; 417 #endif 418 419 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) 420 # include <limits.h> 421 # if (UINT_MAX == 0xffffffffUL) 422 # define Z_U4 unsigned 423 # elif (ULONG_MAX == 0xffffffffUL) 424 # define Z_U4 unsigned long 425 # elif (USHRT_MAX == 0xffffffffUL) 426 # define Z_U4 unsigned short 427 # endif 428 #endif 429 430 #ifdef Z_U4 431 typedef Z_U4 z_crc_t; 432 #else 433 typedef unsigned long z_crc_t; 434 #endif 435 436 #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ 437 # define Z_HAVE_UNISTD_H 438 #endif 439 440 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ 441 # define Z_HAVE_STDARG_H 442 #endif 443 444 #ifdef STDC 445 # ifndef Z_SOLO 446 # include <sys/types.h> /* for off_t */ 447 # endif 448 #endif 449 450 #if defined(STDC) || defined(Z_HAVE_STDARG_H) 451 # ifndef Z_SOLO 452 # include <stdarg.h> /* for va_list */ 453 # endif 454 #endif 455 456 #ifdef _WIN32 457 # ifndef Z_SOLO 458 # include <stddef.h> /* for wchar_t */ 459 # endif 460 #endif 461 462 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and 463 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even 464 * though the former does not conform to the LFS document), but considering 465 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as 466 * equivalently requesting no 64-bit operations 467 */ 468 #if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 469 # undef _LARGEFILE64_SOURCE 470 #endif 471 472 #ifndef Z_HAVE_UNISTD_H 473 # ifdef __WATCOMC__ 474 # define Z_HAVE_UNISTD_H 475 # endif 476 #endif 477 #ifndef Z_HAVE_UNISTD_H 478 # if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) 479 # define Z_HAVE_UNISTD_H 480 # endif 481 #endif 482 #ifndef Z_SOLO 483 # if defined(Z_HAVE_UNISTD_H) 484 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ 485 # ifdef VMS 486 # include <unixio.h> /* for off_t */ 487 # endif 488 # ifndef z_off_t 489 # define z_off_t off_t 490 # endif 491 # endif 492 #endif 493 494 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 495 # define Z_LFS64 496 #endif 497 498 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) 499 # define Z_LARGE64 500 #endif 501 502 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) 503 # define Z_WANT64 504 #endif 505 506 #if !defined(SEEK_SET) && !defined(Z_SOLO) 507 # define SEEK_SET 0 /* Seek from beginning of file. */ 508 # define SEEK_CUR 1 /* Seek from current position. */ 509 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 510 #endif 511 512 #ifndef z_off_t 513 # define z_off_t long 514 #endif 515 516 #if !defined(_WIN32) && defined(Z_LARGE64) 517 # define z_off64_t off64_t 518 #else 519 # if defined(_WIN32) && !defined(__GNUC__) 520 # define z_off64_t __int64 521 # else 522 # define z_off64_t z_off_t 523 # endif 524 #endif 525 526 /* MVS linker does not support external names larger than 8 bytes */ 527 #if defined(__MVS__) 528 #pragma map(deflateInit_,"DEIN") 529 #pragma map(deflateInit2_,"DEIN2") 530 #pragma map(deflateEnd,"DEEND") 531 #pragma map(deflateBound,"DEBND") 532 #pragma map(inflateInit_,"ININ") 533 #pragma map(inflateInit2_,"ININ2") 534 #pragma map(inflateEnd,"INEND") 535 #pragma map(inflateSync,"INSY") 536 #pragma map(inflateSetDictionary,"INSEDI") 537 #pragma map(compressBound,"CMBND") 538 #pragma map(inflate_table,"INTABL") 539 #pragma map(inflate_fast,"INFA") 540 #pragma map(inflate_copyright,"INCOPY") 541 #endif 542 543 #endif /* ZCONF_H */ 544