Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/libkern/libkern/zconf.h
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1 /* 2 * Copyright (c) 2008 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* zconf.h -- configuration of the zlib compression library 29 * Copyright (C) 1995-2005 Jean-loup Gailly. 30 * For conditions of distribution and use, see copyright notice in zlib.h 31 */ 32 33 /* @(#) $Id$ */ 34 35 #ifndef ZCONF_H 36 #define ZCONF_H 37 38 /* 39 * If you *really* need a unique prefix for all types and library functions, 40 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 41 */ 42 #ifdef Z_PREFIX 43 # define deflateInit_ z_deflateInit_ 44 # define deflate z_deflate 45 # define deflateEnd z_deflateEnd 46 # define inflateInit_ z_inflateInit_ 47 # define inflate z_inflate 48 # define inflateEnd z_inflateEnd 49 # define deflateInit2_ z_deflateInit2_ 50 # define deflateSetDictionary z_deflateSetDictionary 51 # define deflateCopy z_deflateCopy 52 # define deflateReset z_deflateReset 53 # define deflateParams z_deflateParams 54 # define deflateBound z_deflateBound 55 # define deflatePrime z_deflatePrime 56 # define inflateInit2_ z_inflateInit2_ 57 # define inflateSetDictionary z_inflateSetDictionary 58 # define inflateSync z_inflateSync 59 # define inflateSyncPoint z_inflateSyncPoint 60 # define inflateCopy z_inflateCopy 61 # define inflateReset z_inflateReset 62 # define inflateBack z_inflateBack 63 # define inflateBackEnd z_inflateBackEnd 64 # define compress z_compress 65 # define compress2 z_compress2 66 # define compressBound z_compressBound 67 # define uncompress z_uncompress 68 # define adler32 z_adler32 69 # define crc32 z_crc32 70 # define get_crc_table z_get_crc_table 71 # define zError z_zError 72 73 # define alloc_func z_alloc_func 74 # define free_func z_free_func 75 # define in_func z_in_func 76 # define out_func z_out_func 77 # define Byte z_Byte 78 # define uInt z_uInt 79 # define uLong z_uLong 80 # define Bytef z_Bytef 81 # define charf z_charf 82 # define intf z_intf 83 # define uIntf z_uIntf 84 # define uLongf z_uLongf 85 # define voidpf z_voidpf 86 # define voidp z_voidp 87 #endif 88 89 #if defined(__MSDOS__) && !defined(MSDOS) 90 # define MSDOS 91 #endif 92 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 93 # define OS2 94 #endif 95 #if defined(_WINDOWS) && !defined(WINDOWS) 96 # define WINDOWS 97 #endif 98 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 99 # ifndef WIN32 100 # define WIN32 101 # endif 102 #endif 103 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 104 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 105 # ifndef SYS16BIT 106 # define SYS16BIT 107 # endif 108 # endif 109 #endif 110 111 /* 112 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 113 * than 64k bytes at a time (needed on systems with 16-bit int). 114 */ 115 #ifdef SYS16BIT 116 # define MAXSEG_64K 117 #endif 118 #ifdef MSDOS 119 # define UNALIGNED_OK 120 #endif 121 122 #ifdef __STDC_VERSION__ 123 # ifndef STDC 124 # define STDC 125 # endif 126 # if __STDC_VERSION__ >= 199901L 127 # ifndef STDC99 128 # define STDC99 129 # endif 130 # endif 131 #endif 132 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 133 # define STDC 134 #endif 135 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 136 # define STDC 137 #endif 138 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 139 # define STDC 140 #endif 141 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 142 # define STDC 143 #endif 144 145 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 146 # define STDC 147 #endif 148 149 #ifndef STDC 150 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 151 # define const /* note: need a more gentle solution here */ 152 # endif 153 #endif 154 155 /* Some Mac compilers merge all .h files incorrectly: */ 156 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 157 # define NO_DUMMY_DECL 158 #endif 159 160 /* Maximum value for memLevel in deflateInit2 */ 161 #ifndef MAX_MEM_LEVEL 162 # ifdef MAXSEG_64K 163 # define MAX_MEM_LEVEL 8 164 # else 165 # define MAX_MEM_LEVEL 9 166 # endif 167 #endif 168 169 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 170 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 171 * created by gzip. (Files created by minigzip can still be extracted by 172 * gzip.) 173 */ 174 #ifndef MAX_WBITS 175 # define MAX_WBITS 15 /* 32K LZ77 window */ 176 #endif 177 178 /* The memory requirements for deflate are (in bytes): 179 (1 << (windowBits+2)) + (1 << (memLevel+9)) 180 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 181 plus a few kilobytes for small objects. For example, if you want to reduce 182 the default memory requirements from 256K to 128K, compile with 183 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 184 Of course this will generally degrade compression (there's no free lunch). 185 186 The memory requirements for inflate are (in bytes) 1 << windowBits 187 that is, 32K for windowBits=15 (default value) plus a few kilobytes 188 for small objects. 189 */ 190 191 /* Type declarations */ 192 193 #ifndef OF /* function prototypes */ 194 # ifdef STDC 195 # define OF(args) args 196 # else 197 # define OF(args) () 198 # endif 199 #endif 200 201 /* The following definitions for FAR are needed only for MSDOS mixed 202 * model programming (small or medium model with some far allocations). 203 * This was tested only with MSC; for other MSDOS compilers you may have 204 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 205 * just define FAR to be empty. 206 */ 207 #ifdef SYS16BIT 208 # if defined(M_I86SM) || defined(M_I86MM) 209 /* MSC small or medium model */ 210 # define SMALL_MEDIUM 211 # ifdef _MSC_VER 212 # define FAR _far 213 # else 214 # define FAR far 215 # endif 216 # endif 217 # if (defined(__SMALL__) || defined(__MEDIUM__)) 218 /* Turbo C small or medium model */ 219 # define SMALL_MEDIUM 220 # ifdef __BORLANDC__ 221 # define FAR _far 222 # else 223 # define FAR far 224 # endif 225 # endif 226 #endif 227 228 #if defined(WINDOWS) || defined(WIN32) 229 /* If building or using zlib as a DLL, define ZLIB_DLL. 230 * This is not mandatory, but it offers a little performance increase. 231 */ 232 # ifdef ZLIB_DLL 233 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 234 # ifdef ZLIB_INTERNAL 235 # define ZEXTERN extern __declspec(dllexport) 236 # else 237 # define ZEXTERN extern __declspec(dllimport) 238 # endif 239 # endif 240 # endif /* ZLIB_DLL */ 241 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 242 * define ZLIB_WINAPI. 243 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 244 */ 245 # ifdef ZLIB_WINAPI 246 # ifdef FAR 247 # undef FAR 248 # endif 249 # include <windows.h> 250 /* No need for _export, use ZLIB.DEF instead. */ 251 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 252 # define ZEXPORT WINAPI 253 # ifdef WIN32 254 # define ZEXPORTVA WINAPIV 255 # else 256 # define ZEXPORTVA FAR CDECL 257 # endif 258 # endif 259 #endif 260 261 #if defined (__BEOS__) 262 # ifdef ZLIB_DLL 263 # ifdef ZLIB_INTERNAL 264 # define ZEXPORT __declspec(dllexport) 265 # define ZEXPORTVA __declspec(dllexport) 266 # else 267 # define ZEXPORT __declspec(dllimport) 268 # define ZEXPORTVA __declspec(dllimport) 269 # endif 270 # endif 271 #endif 272 273 #ifndef ZEXTERN 274 # define ZEXTERN extern 275 #endif 276 #ifndef ZEXPORT 277 # define ZEXPORT 278 #endif 279 #ifndef ZEXPORTVA 280 # define ZEXPORTVA 281 #endif 282 283 #ifndef FAR 284 # define FAR 285 #endif 286 287 #if !defined(__MACTYPES__) 288 typedef unsigned char Byte; /* 8 bits */ 289 #endif 290 typedef unsigned int uInt; /* 16 bits or more */ 291 typedef unsigned long uLong; /* 32 bits or more */ 292 293 #ifdef SMALL_MEDIUM 294 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 295 # define Bytef Byte FAR 296 #else 297 typedef Byte FAR Bytef; 298 #endif 299 typedef char FAR charf; 300 typedef int FAR intf; 301 typedef uInt FAR uIntf; 302 typedef uLong FAR uLongf; 303 304 #ifdef STDC 305 typedef void const *voidpc; 306 typedef void FAR *voidpf; 307 typedef void *voidp; 308 #else 309 typedef Byte const *voidpc; 310 typedef Byte FAR *voidpf; 311 typedef Byte *voidp; 312 #endif 313 314 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 315 # include <sys/types.h> /* for off_t */ 316 # include <unistd.h> /* for SEEK_* and off_t */ 317 # ifdef VMS 318 # include <unixio.h> /* for off_t */ 319 # endif 320 # define z_off_t off_t 321 #endif 322 #ifndef SEEK_SET 323 # define SEEK_SET 0 /* Seek from beginning of file. */ 324 # define SEEK_CUR 1 /* Seek from current position. */ 325 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 326 #endif 327 #ifndef z_off_t 328 # define z_off_t long 329 #endif 330 331 #if defined(__OS400__) 332 # define NO_vsnprintf 333 #endif 334 335 #if defined(__MVS__) 336 # define NO_vsnprintf 337 # ifdef FAR 338 # undef FAR 339 # endif 340 #endif 341 342 /* MVS linker does not support external names larger than 8 bytes */ 343 #if defined(__MVS__) 344 # pragma map(deflateInit_,"DEIN") 345 # pragma map(deflateInit2_,"DEIN2") 346 # pragma map(deflateEnd,"DEEND") 347 # pragma map(deflateBound,"DEBND") 348 # pragma map(inflateInit_,"ININ") 349 # pragma map(inflateInit2_,"ININ2") 350 # pragma map(inflateEnd,"INEND") 351 # pragma map(inflateSync,"INSY") 352 # pragma map(inflateSetDictionary,"INSEDI") 353 # pragma map(compressBound,"CMBND") 354 # pragma map(inflate_table,"INTABL") 355 # pragma map(inflate_fast,"INFA") 356 # pragma map(inflate_copyright,"INCOPY") 357 #endif 358 359 #endif /* ZCONF_H */
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