1 /* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-2002 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6 /* @(#) $FreeBSD: src/lib/libz/zconf.h,v 1.6.2.1 2003/02/01 13:33:12 sobomax Exp $ */ 7 /* @(#) $DragonFly: src/lib/libz/Attic/zconf.h,v 1.2 2003/06/17 04:26:52 dillon Exp $ */ 8 9 #ifndef _ZCONF_H 10 #define _ZCONF_H 11 12 /* 13 * If you *really* need a unique prefix for all types and library functions, 14 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. 15 */ 16 #ifdef Z_PREFIX 17 # define deflateInit_ z_deflateInit_ 18 # define deflate z_deflate 19 # define deflateEnd z_deflateEnd 20 # define inflateInit_ z_inflateInit_ 21 # define inflate z_inflate 22 # define inflateEnd z_inflateEnd 23 # define deflateInit2_ z_deflateInit2_ 24 # define deflateSetDictionary z_deflateSetDictionary 25 # define deflateCopy z_deflateCopy 26 # define deflateReset z_deflateReset 27 # define deflateParams z_deflateParams 28 # define inflateInit2_ z_inflateInit2_ 29 # define inflateSetDictionary z_inflateSetDictionary 30 # define inflateSync z_inflateSync 31 # define inflateSyncPoint z_inflateSyncPoint 32 # define inflateReset z_inflateReset 33 # define compress z_compress 34 # define compress2 z_compress2 35 # define uncompress z_uncompress 36 # define adler32 z_adler32 37 # define crc32 z_crc32 38 # define get_crc_table z_get_crc_table 39 40 # define Byte z_Byte 41 # define uInt z_uInt 42 # define uLong z_uLong 43 # define Bytef z_Bytef 44 # define charf z_charf 45 # define intf z_intf 46 # define uIntf z_uIntf 47 # define uLongf z_uLongf 48 # define voidpf z_voidpf 49 # define voidp z_voidp 50 #endif 51 52 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) 53 # define WIN32 54 #endif 55 #if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386) 56 # ifndef __32BIT__ 57 # define __32BIT__ 58 # endif 59 #endif 60 #if defined(__MSDOS__) && !defined(MSDOS) 61 # define MSDOS 62 #endif 63 64 /* 65 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more 66 * than 64k bytes at a time (needed on systems with 16-bit int). 67 */ 68 #if defined(MSDOS) && !defined(__32BIT__) 69 # define MAXSEG_64K 70 #endif 71 #ifdef MSDOS 72 # define UNALIGNED_OK 73 #endif 74 75 #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) 76 # define STDC 77 #endif 78 #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) 79 # ifndef STDC 80 # define STDC 81 # endif 82 #endif 83 84 #ifndef STDC 85 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ 86 # define const 87 # endif 88 #endif 89 90 /* Some Mac compilers merge all .h files incorrectly: */ 91 #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) 92 # define NO_DUMMY_DECL 93 #endif 94 95 /* Old Borland C incorrectly complains about missing returns: */ 96 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) 97 # define NEED_DUMMY_RETURN 98 #endif 99 100 101 /* Maximum value for memLevel in deflateInit2 */ 102 #ifndef MAX_MEM_LEVEL 103 # ifdef MAXSEG_64K 104 # define MAX_MEM_LEVEL 8 105 # else 106 # define MAX_MEM_LEVEL 9 107 # endif 108 #endif 109 110 /* Maximum value for windowBits in deflateInit2 and inflateInit2. 111 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 112 * created by gzip. (Files created by minigzip can still be extracted by 113 * gzip.) 114 */ 115 #ifndef MAX_WBITS 116 # define MAX_WBITS 15 /* 32K LZ77 window */ 117 #endif 118 119 /* The memory requirements for deflate are (in bytes): 120 (1 << (windowBits+2)) + (1 << (memLevel+9)) 121 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 122 plus a few kilobytes for small objects. For example, if you want to reduce 123 the default memory requirements from 256K to 128K, compile with 124 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 125 Of course this will generally degrade compression (there's no free lunch). 126 127 The memory requirements for inflate are (in bytes) 1 << windowBits 128 that is, 32K for windowBits=15 (default value) plus a few kilobytes 129 for small objects. 130 */ 131 132 /* Type declarations */ 133 134 #ifndef OF /* function prototypes */ 135 # ifdef STDC 136 # define OF(args) args 137 # else 138 # define OF(args) () 139 # endif 140 #endif 141 142 /* The following definitions for FAR are needed only for MSDOS mixed 143 * model programming (small or medium model with some far allocations). 144 * This was tested only with MSC; for other MSDOS compilers you may have 145 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, 146 * just define FAR to be empty. 147 */ 148 #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) 149 /* MSC small or medium model */ 150 # define SMALL_MEDIUM 151 # ifdef _MSC_VER 152 # define FAR _far 153 # else 154 # define FAR far 155 # endif 156 #endif 157 #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) 158 # ifndef __32BIT__ 159 # define SMALL_MEDIUM 160 # define FAR _far 161 # endif 162 #endif 163 164 /* Compile with -DZLIB_DLL for Windows DLL support */ 165 #if defined(ZLIB_DLL) 166 # if defined(_WINDOWS) || defined(WINDOWS) 167 # ifdef FAR 168 # undef FAR 169 # endif 170 # include <windows.h> 171 # define ZEXPORT WINAPI 172 # ifdef WIN32 173 # define ZEXPORTVA WINAPIV 174 # else 175 # define ZEXPORTVA FAR _cdecl _export 176 # endif 177 # endif 178 # if defined (__BORLANDC__) 179 # if (__BORLANDC__ >= 0x0500) && defined (WIN32) 180 # include <windows.h> 181 # define ZEXPORT __declspec(dllexport) WINAPI 182 # define ZEXPORTRVA __declspec(dllexport) WINAPIV 183 # else 184 # if defined (_Windows) && defined (__DLL__) 185 # define ZEXPORT _export 186 # define ZEXPORTVA _export 187 # endif 188 # endif 189 # endif 190 #endif 191 192 #if defined (__BEOS__) 193 # if defined (ZLIB_DLL) 194 # define ZEXTERN extern __declspec(dllexport) 195 # else 196 # define ZEXTERN extern __declspec(dllimport) 197 # endif 198 #endif 199 200 #ifndef ZEXPORT 201 # define ZEXPORT 202 #endif 203 #ifndef ZEXPORTVA 204 # define ZEXPORTVA 205 #endif 206 #ifndef ZEXTERN 207 # define ZEXTERN extern 208 #endif 209 210 #ifndef FAR 211 # define FAR 212 #endif 213 214 #if !defined(MACOS) && !defined(TARGET_OS_MAC) 215 typedef unsigned char Byte; /* 8 bits */ 216 #endif 217 typedef unsigned int uInt; /* 16 bits or more */ 218 typedef unsigned long uLong; /* 32 bits or more */ 219 220 #ifdef SMALL_MEDIUM 221 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ 222 # define Bytef Byte FAR 223 #else 224 typedef Byte FAR Bytef; 225 #endif 226 typedef char FAR charf; 227 typedef int FAR intf; 228 typedef uInt FAR uIntf; 229 typedef uLong FAR uLongf; 230 231 #ifdef STDC 232 typedef void FAR *voidpf; 233 typedef void *voidp; 234 #else 235 typedef Byte FAR *voidpf; 236 typedef Byte *voidp; 237 #endif 238 239 #ifdef HAVE_UNISTD_H 240 # include <sys/types.h> /* for off_t */ 241 # include <unistd.h> /* for SEEK_* and off_t */ 242 #endif 243 #ifndef SEEK_SET 244 # define SEEK_SET 0 /* Seek from beginning of file. */ 245 # define SEEK_CUR 1 /* Seek from current position. */ 246 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 247 #endif 248 249 /* 250 * This is hard-configured for FreeBSD, since zlib doesn't actually support 251 * using the system off_t for offsets unless off_t is no longer than long. 252 */ 253 #define z_off_t long 254 255 /* MVS linker does not support external names larger than 8 bytes */ 256 #if defined(__MVS__) 257 # pragma map(deflateInit_,"DEIN") 258 # pragma map(deflateInit2_,"DEIN2") 259 # pragma map(deflateEnd,"DEEND") 260 # pragma map(inflateInit_,"ININ") 261 # pragma map(inflateInit2_,"ININ2") 262 # pragma map(inflateEnd,"INEND") 263 # pragma map(inflateSync,"INSY") 264 # pragma map(inflateSetDictionary,"INSEDI") 265 # pragma map(inflate_blocks,"INBL") 266 # pragma map(inflate_blocks_new,"INBLNE") 267 # pragma map(inflate_blocks_free,"INBLFR") 268 # pragma map(inflate_blocks_reset,"INBLRE") 269 # pragma map(inflate_codes_free,"INCOFR") 270 # pragma map(inflate_codes,"INCO") 271 # pragma map(inflate_fast,"INFA") 272 # pragma map(inflate_flush,"INFLU") 273 # pragma map(inflate_mask,"INMA") 274 # pragma map(inflate_set_dictionary,"INSEDI2") 275 # pragma map(inflate_copyright,"INCOPY") 276 # pragma map(inflate_trees_bits,"INTRBI") 277 # pragma map(inflate_trees_dynamic,"INTRDY") 278 # pragma map(inflate_trees_fixed,"INTRFI") 279 # pragma map(inflate_trees_free,"INTRFR") 280 #endif 281 282 #endif /* _ZCONF_H */ 283