zconf.h revision 1.2
1 /* $NetBSD: zconf.h,v 1.2 2006/01/14 20:27:34 christos Exp $ */ 2 3 /* zconf.h -- configuration of the zlib compression library 4 * Copyright (C) 1995-2005 Jean-loup Gailly. 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 */ 19 #ifdef Z_PREFIX 20 # define deflateInit_ z_deflateInit_ 21 # define deflate z_deflate 22 # define deflateEnd z_deflateEnd 23 # define inflateInit_ z_inflateInit_ 24 # define inflate z_inflate 25 # define inflateEnd z_inflateEnd 26 # define deflateInit2_ z_deflateInit2_ 27 # define deflateSetDictionary z_deflateSetDictionary 28 # define deflateCopy z_deflateCopy 29 # define deflateReset z_deflateReset 30 # define deflateParams z_deflateParams 31 # define deflateBound z_deflateBound 32 # define deflatePrime z_deflatePrime 33 # define inflateInit2_ z_inflateInit2_ 34 # define inflateSetDictionary z_inflateSetDictionary 35 # define inflateSync z_inflateSync 36 # define inflateSyncPoint z_inflateSyncPoint 37 # define inflateCopy z_inflateCopy 38 # define inflateReset z_inflateReset 39 # define inflateBack z_inflateBack 40 # define inflateBackEnd z_inflateBackEnd 41 # define compress z_compress 42 # define compress2 z_compress2 43 # define compressBound z_compressBound 44 # define uncompress z_uncompress 45 # define adler32 z_adler32 46 # define crc32 z_crc32 47 # define get_crc_table z_get_crc_table 48 # define zError z_zError 49 50 # define alloc_func z_alloc_func 51 # define free_func z_free_func 52 # define in_func z_in_func 53 # define out_func z_out_func 54 # define Byte z_Byte 55 # define uInt z_uInt 56 # define uLong z_uLong 57 # define Bytef z_Bytef 58 # define charf z_charf 59 # define intf z_intf 60 # define uIntf z_uIntf 61 # define uLongf z_uLongf 62 # define voidpf z_voidpf 63 # define voidp z_voidp 64 #endif 65 66 #if defined(__MSDOS__) && !defined(MSDOS) 67 # define MSDOS 68 #endif 69 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 70 # define OS2 71 #endif 72 #if defined(_WINDOWS) && !defined(WINDOWS) 73 # define WINDOWS 74 #endif 75 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 76 # ifndef WIN32 77 # define WIN32 78 # endif 79 #endif 80 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 81 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 82 # ifndef SYS16BIT 83 # define SYS16BIT 84 # endif 85 # endif 86 #endif 87 88 /* 89 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 90 * than 64k bytes at a time (needed on systems with 16-bit int). 91 */ 92 #ifdef SYS16BIT 93 # define MAXSEG_64K 94 #endif 95 #ifdef MSDOS 96 # define UNALIGNED_OK 97 #endif 98 99 #ifdef __STDC_VERSION__ 100 # ifndef STDC 101 # define STDC 102 # endif 103 # if __STDC_VERSION__ >= 199901L 104 # ifndef STDC99 105 # define STDC99 106 # endif 107 # endif 108 #endif 109 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 110 # define STDC 111 #endif 112 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 113 # define STDC 114 #endif 115 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 116 # define STDC 117 #endif 118 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 119 # define STDC 120 #endif 121 122 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 123 # define STDC 124 #endif 125 126 #ifndef STDC 127 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 128 # define const /* note: need a more gentle solution here */ 129 # endif 130 #endif 131 132 /* Some Mac compilers merge all .h files incorrectly: */ 133 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 134 # define NO_DUMMY_DECL 135 #endif 136 137 /* Maximum value for memLevel in deflateInit2 */ 138 #ifndef MAX_MEM_LEVEL 139 # ifdef MAXSEG_64K 140 # define MAX_MEM_LEVEL 8 141 # else 142 # define MAX_MEM_LEVEL 9 143 # endif 144 #endif 145 146 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 147 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 148 * created by gzip. (Files created by minigzip can still be extracted by 149 * gzip.) 150 */ 151 #ifndef MAX_WBITS 152 # define MAX_WBITS 15 /* 32K LZ77 window */ 153 #endif 154 155 /* The memory requirements for deflate are (in bytes): 156 (1 << (windowBits+2)) + (1 << (memLevel+9)) 157 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 158 plus a few kilobytes for small objects. For example, if you want to reduce 159 the default memory requirements from 256K to 128K, compile with 160 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 161 Of course this will generally degrade compression (there's no free lunch). 162 163 The memory requirements for inflate are (in bytes) 1 << windowBits 164 that is, 32K for windowBits=15 (default value) plus a few kilobytes 165 for small objects. 166 */ 167 168 /* Type declarations */ 169 170 #ifndef OF /* function prototypes */ 171 # ifdef STDC 172 # define OF(args) args 173 # else 174 # define OF(args) () 175 # endif 176 #endif 177 178 /* The following definitions for FAR are needed only for MSDOS mixed 179 * model programming (small or medium model with some far allocations). 180 * This was tested only with MSC; for other MSDOS compilers you may have 181 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 182 * just define FAR to be empty. 183 */ 184 #ifdef SYS16BIT 185 # if defined(M_I86SM) || defined(M_I86MM) 186 /* MSC small or medium model */ 187 # define SMALL_MEDIUM 188 # ifdef _MSC_VER 189 # define FAR _far 190 # else 191 # define FAR far 192 # endif 193 # endif 194 # if (defined(__SMALL__) || defined(__MEDIUM__)) 195 /* Turbo C small or medium model */ 196 # define SMALL_MEDIUM 197 # ifdef __BORLANDC__ 198 # define FAR _far 199 # else 200 # define FAR far 201 # endif 202 # endif 203 #endif 204 205 #if defined(WINDOWS) || defined(WIN32) 206 /* If building or using zlib as a DLL, define ZLIB_DLL. 207 * This is not mandatory, but it offers a little performance increase. 208 */ 209 # ifdef ZLIB_DLL 210 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 211 # ifdef ZLIB_INTERNAL 212 # define ZEXTERN extern __declspec(dllexport) 213 # else 214 # define ZEXTERN extern __declspec(dllimport) 215 # endif 216 # endif 217 # endif /* ZLIB_DLL */ 218 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 219 * define ZLIB_WINAPI. 220 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 221 */ 222 # ifdef ZLIB_WINAPI 223 # ifdef FAR 224 # undef FAR 225 # endif 226 # include <windows.h> 227 /* No need for _export, use ZLIB.DEF instead. */ 228 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 229 # define ZEXPORT WINAPI 230 # ifdef WIN32 231 # define ZEXPORTVA WINAPIV 232 # else 233 # define ZEXPORTVA FAR CDECL 234 # endif 235 # endif 236 #endif 237 238 #if defined (__BEOS__) 239 # ifdef ZLIB_DLL 240 # ifdef ZLIB_INTERNAL 241 # define ZEXPORT __declspec(dllexport) 242 # define ZEXPORTVA __declspec(dllexport) 243 # else 244 # define ZEXPORT __declspec(dllimport) 245 # define ZEXPORTVA __declspec(dllimport) 246 # endif 247 # endif 248 #endif 249 250 #ifndef ZEXTERN 251 # define ZEXTERN extern 252 #endif 253 #ifndef ZEXPORT 254 # define ZEXPORT 255 #endif 256 #ifndef ZEXPORTVA 257 # define ZEXPORTVA 258 #endif 259 260 #ifndef FAR 261 # define FAR 262 #endif 263 264 #if !defined(__MACTYPES__) 265 typedef unsigned char Byte; /* 8 bits */ 266 #endif 267 typedef unsigned int uInt; /* 16 bits or more */ 268 typedef unsigned long uLong; /* 32 bits or more */ 269 270 #ifdef SMALL_MEDIUM 271 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 272 # define Bytef Byte FAR 273 #else 274 typedef Byte FAR Bytef; 275 #endif 276 typedef char FAR charf; 277 typedef int FAR intf; 278 typedef uInt FAR uIntf; 279 typedef uLong FAR uLongf; 280 281 #ifdef STDC 282 typedef void const *voidpc; 283 typedef void FAR *voidpf; 284 typedef void *voidp; 285 #else 286 typedef Byte const *voidpc; 287 typedef Byte FAR *voidpf; 288 typedef Byte *voidp; 289 #endif 290 291 #if defined(HAVE_UNISTD_H) || (defined(__NetBSD__) && (!defined(_KERNEL) && !defined(_STANDALONE))) 292 # include <sys/types.h> /* for off_t */ 293 # include <unistd.h> /* for SEEK_* and off_t */ 294 # ifdef VMS 295 # include <unixio.h> /* for off_t */ 296 # endif 297 # define z_off_t off_t 298 # define z_ptrdiff_t ptrdiff_t 299 #endif 300 #ifndef SEEK_SET 301 # define SEEK_SET 0 /* Seek from beginning of file. */ 302 # define SEEK_CUR 1 /* Seek from current position. */ 303 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 304 #endif 305 #ifndef z_off_t 306 # define z_off_t long 307 #endif 308 #ifndef z_ptrdiff_t 309 # define z_ptrdiff_t long 310 #endif 311 312 #if defined(__OS400__) 313 # define NO_vsnprintf 314 #endif 315 316 #if defined(__MVS__) 317 # define NO_vsnprintf 318 # ifdef FAR 319 # undef FAR 320 # endif 321 #endif 322 323 /* MVS linker does not support external names larger than 8 bytes */ 324 #if defined(__MVS__) 325 # pragma map(deflateInit_,"DEIN") 326 # pragma map(deflateInit2_,"DEIN2") 327 # pragma map(deflateEnd,"DEEND") 328 # pragma map(deflateBound,"DEBND") 329 # pragma map(inflateInit_,"ININ") 330 # pragma map(inflateInit2_,"ININ2") 331 # pragma map(inflateEnd,"INEND") 332 # pragma map(inflateSync,"INSY") 333 # pragma map(inflateSetDictionary,"INSEDI") 334 # pragma map(compressBound,"CMBND") 335 # pragma map(inflate_table,"INTABL") 336 # pragma map(inflate_fast,"INFA") 337 # pragma map(inflate_copyright,"INCOPY") 338 #endif 339 340 #endif /* ZCONF_H */ 341
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