zconf.h revision 1.1
1 /* $NetBSD: zconf.h,v 1.1 2006/01/14 20:10:34 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 /* 14 * If you *really* need a unique prefix for all types and library functions, 15 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 16 */ 17 #ifdef Z_PREFIX 18 # define deflateInit_ z_deflateInit_ 19 # define deflate z_deflate 20 # define deflateEnd z_deflateEnd 21 # define inflateInit_ z_inflateInit_ 22 # define inflate z_inflate 23 # define inflateEnd z_inflateEnd 24 # define deflateInit2_ z_deflateInit2_ 25 # define deflateSetDictionary z_deflateSetDictionary 26 # define deflateCopy z_deflateCopy 27 # define deflateReset z_deflateReset 28 # define deflateParams z_deflateParams 29 # define deflateBound z_deflateBound 30 # define deflatePrime z_deflatePrime 31 # define inflateInit2_ z_inflateInit2_ 32 # define inflateSetDictionary z_inflateSetDictionary 33 # define inflateSync z_inflateSync 34 # define inflateSyncPoint z_inflateSyncPoint 35 # define inflateCopy z_inflateCopy 36 # define inflateReset z_inflateReset 37 # define inflateBack z_inflateBack 38 # define inflateBackEnd z_inflateBackEnd 39 # define compress z_compress 40 # define compress2 z_compress2 41 # define compressBound z_compressBound 42 # define uncompress z_uncompress 43 # define adler32 z_adler32 44 # define crc32 z_crc32 45 # define get_crc_table z_get_crc_table 46 # define zError z_zError 47 48 # define alloc_func z_alloc_func 49 # define free_func z_free_func 50 # define in_func z_in_func 51 # define out_func z_out_func 52 # define Byte z_Byte 53 # define uInt z_uInt 54 # define uLong z_uLong 55 # define Bytef z_Bytef 56 # define charf z_charf 57 # define intf z_intf 58 # define uIntf z_uIntf 59 # define uLongf z_uLongf 60 # define voidpf z_voidpf 61 # define voidp z_voidp 62 #endif 63 64 #if defined(__MSDOS__) && !defined(MSDOS) 65 # define MSDOS 66 #endif 67 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) 68 # define OS2 69 #endif 70 #if defined(_WINDOWS) && !defined(WINDOWS) 71 # define WINDOWS 72 #endif 73 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) 74 # ifndef WIN32 75 # define WIN32 76 # endif 77 #endif 78 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) 79 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) 80 # ifndef SYS16BIT 81 # define SYS16BIT 82 # endif 83 # endif 84 #endif 85 86 /* 87 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 88 * than 64k bytes at a time (needed on systems with 16-bit int). 89 */ 90 #ifdef SYS16BIT 91 # define MAXSEG_64K 92 #endif 93 #ifdef MSDOS 94 # define UNALIGNED_OK 95 #endif 96 97 #ifdef __STDC_VERSION__ 98 # ifndef STDC 99 # define STDC 100 # endif 101 # if __STDC_VERSION__ >= 199901L 102 # ifndef STDC99 103 # define STDC99 104 # endif 105 # endif 106 #endif 107 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) 108 # define STDC 109 #endif 110 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) 111 # define STDC 112 #endif 113 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) 114 # define STDC 115 #endif 116 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) 117 # define STDC 118 #endif 119 120 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ 121 # define STDC 122 #endif 123 124 #ifndef STDC 125 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 126 # define const /* note: need a more gentle solution here */ 127 # endif 128 #endif 129 130 /* Some Mac compilers merge all .h files incorrectly: */ 131 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) 132 # define NO_DUMMY_DECL 133 #endif 134 135 /* Maximum value for memLevel in deflateInit2 */ 136 #ifndef MAX_MEM_LEVEL 137 # ifdef MAXSEG_64K 138 # define MAX_MEM_LEVEL 8 139 # else 140 # define MAX_MEM_LEVEL 9 141 # endif 142 #endif 143 144 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 145 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 146 * created by gzip. (Files created by minigzip can still be extracted by 147 * gzip.) 148 */ 149 #ifndef MAX_WBITS 150 # define MAX_WBITS 15 /* 32K LZ77 window */ 151 #endif 152 153 /* The memory requirements for deflate are (in bytes): 154 (1 << (windowBits+2)) + (1 << (memLevel+9)) 155 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 156 plus a few kilobytes for small objects. For example, if you want to reduce 157 the default memory requirements from 256K to 128K, compile with 158 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 159 Of course this will generally degrade compression (there's no free lunch). 160 161 The memory requirements for inflate are (in bytes) 1 << windowBits 162 that is, 32K for windowBits=15 (default value) plus a few kilobytes 163 for small objects. 164 */ 165 166 /* Type declarations */ 167 168 #ifndef OF /* function prototypes */ 169 # ifdef STDC 170 # define OF(args) args 171 # else 172 # define OF(args) () 173 # endif 174 #endif 175 176 /* The following definitions for FAR are needed only for MSDOS mixed 177 * model programming (small or medium model with some far allocations). 178 * This was tested only with MSC; for other MSDOS compilers you may have 179 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 180 * just define FAR to be empty. 181 */ 182 #ifdef SYS16BIT 183 # if defined(M_I86SM) || defined(M_I86MM) 184 /* MSC small or medium model */ 185 # define SMALL_MEDIUM 186 # ifdef _MSC_VER 187 # define FAR _far 188 # else 189 # define FAR far 190 # endif 191 # endif 192 # if (defined(__SMALL__) || defined(__MEDIUM__)) 193 /* Turbo C small or medium model */ 194 # define SMALL_MEDIUM 195 # ifdef __BORLANDC__ 196 # define FAR _far 197 # else 198 # define FAR far 199 # endif 200 # endif 201 #endif 202 203 #if defined(WINDOWS) || defined(WIN32) 204 /* If building or using zlib as a DLL, define ZLIB_DLL. 205 * This is not mandatory, but it offers a little performance increase. 206 */ 207 # ifdef ZLIB_DLL 208 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) 209 # ifdef ZLIB_INTERNAL 210 # define ZEXTERN extern __declspec(dllexport) 211 # else 212 # define ZEXTERN extern __declspec(dllimport) 213 # endif 214 # endif 215 # endif /* ZLIB_DLL */ 216 /* If building or using zlib with the WINAPI/WINAPIV calling convention, 217 * define ZLIB_WINAPI. 218 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. 219 */ 220 # ifdef ZLIB_WINAPI 221 # ifdef FAR 222 # undef FAR 223 # endif 224 # include <windows.h> 225 /* No need for _export, use ZLIB.DEF instead. */ 226 /* For complete Windows compatibility, use WINAPI, not __stdcall. */ 227 # define ZEXPORT WINAPI 228 # ifdef WIN32 229 # define ZEXPORTVA WINAPIV 230 # else 231 # define ZEXPORTVA FAR CDECL 232 # endif 233 # endif 234 #endif 235 236 #if defined (__BEOS__) 237 # ifdef ZLIB_DLL 238 # ifdef ZLIB_INTERNAL 239 # define ZEXPORT __declspec(dllexport) 240 # define ZEXPORTVA __declspec(dllexport) 241 # else 242 # define ZEXPORT __declspec(dllimport) 243 # define ZEXPORTVA __declspec(dllimport) 244 # endif 245 # endif 246 #endif 247 248 #ifndef ZEXTERN 249 # define ZEXTERN extern 250 #endif 251 #ifndef ZEXPORT 252 # define ZEXPORT 253 #endif 254 #ifndef ZEXPORTVA 255 # define ZEXPORTVA 256 #endif 257 258 #ifndef FAR 259 # define FAR 260 #endif 261 262 #if !defined(__MACTYPES__) 263 typedef unsigned char Byte; /* 8 bits */ 264 #endif 265 typedef unsigned int uInt; /* 16 bits or more */ 266 typedef unsigned long uLong; /* 32 bits or more */ 267 268 #ifdef SMALL_MEDIUM 269 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 270 # define Bytef Byte FAR 271 #else 272 typedef Byte FAR Bytef; 273 #endif 274 typedef char FAR charf; 275 typedef int FAR intf; 276 typedef uInt FAR uIntf; 277 typedef uLong FAR uLongf; 278 279 #ifdef STDC 280 typedef void const *voidpc; 281 typedef void FAR *voidpf; 282 typedef void *voidp; 283 #else 284 typedef Byte const *voidpc; 285 typedef Byte FAR *voidpf; 286 typedef Byte *voidp; 287 #endif 288 289 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ 290 # include <sys/types.h> /* for off_t */ 291 # include <unistd.h> /* for SEEK_* and off_t */ 292 # ifdef VMS 293 # include <unixio.h> /* for off_t */ 294 # endif 295 # define z_off_t off_t 296 #endif 297 #ifndef SEEK_SET 298 # define SEEK_SET 0 /* Seek from beginning of file. */ 299 # define SEEK_CUR 1 /* Seek from current position. */ 300 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 301 #endif 302 #ifndef z_off_t 303 # define z_off_t long 304 #endif 305 306 #if defined(__OS400__) 307 # define NO_vsnprintf 308 #endif 309 310 #if defined(__MVS__) 311 # define NO_vsnprintf 312 # ifdef FAR 313 # undef FAR 314 # endif 315 #endif 316 317 /* MVS linker does not support external names larger than 8 bytes */ 318 #if defined(__MVS__) 319 # pragma map(deflateInit_,"DEIN") 320 # pragma map(deflateInit2_,"DEIN2") 321 # pragma map(deflateEnd,"DEEND") 322 # pragma map(deflateBound,"DEBND") 323 # pragma map(inflateInit_,"ININ") 324 # pragma map(inflateInit2_,"ININ2") 325 # pragma map(inflateEnd,"INEND") 326 # pragma map(inflateSync,"INSY") 327 # pragma map(inflateSetDictionary,"INSEDI") 328 # pragma map(compressBound,"CMBND") 329 # pragma map(inflate_table,"INTABL") 330 # pragma map(inflate_fast,"INFA") 331 # pragma map(inflate_copyright,"INCOPY") 332 #endif 333 334 #endif /* ZCONF_H */ 335
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