1 /* zutil.h -- internal interface and configuration of the compression library 2 * Copyright (C) 1995-2013 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6 /* WARNING: this file should *not* be used by applications. It is 7 part of the implementation of the compression library and is 8 subject to change. Applications should only use zlib.h. 9 */ 10 11 /* @(#) $Id$ */ 12 13 #ifndef ZUTIL_H 14 #define ZUTIL_H 15 16 #include "core/include/fxcrt/fx_system.h" 17 18 #ifdef HAVE_HIDDEN 19 # define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) 20 #else 21 # define ZLIB_INTERNAL 22 #endif 23 24 #include "zlib.h" 25 26 #if defined(STDC) && !defined(Z_SOLO) 27 # if !(defined(_WIN32_WCE) && defined(_MSC_VER)) 28 # include <stddef.h> 29 # endif 30 # include <string.h> 31 # include <stdlib.h> 32 #endif 33 34 #ifdef Z_SOLO 35 typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */ 36 #endif 37 38 #ifndef local 39 # define local static 40 #endif 41 /* compile with -Dlocal if your debugger can't find static symbols */ 42 43 typedef unsigned char uch; 44 typedef uch FAR uchf; 45 typedef unsigned short ush; 46 typedef ush FAR ushf; 47 typedef unsigned long ulg; 48 49 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ 50 /* (size given to avoid silly warnings with Visual C++) */ 51 52 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] 53 54 #define ERR_RETURN(strm,err) \ 55 return (strm->msg = ERR_MSG(err), (err)) 56 /* To be used only when the state is known to be valid */ 57 58 /* common constants */ 59 60 #ifndef DEF_WBITS 61 # define DEF_WBITS MAX_WBITS 62 #endif 63 /* default windowBits for decompression. MAX_WBITS is for compression only */ 64 65 #if MAX_MEM_LEVEL >= 8 66 # define DEF_MEM_LEVEL 8 67 #else 68 # define DEF_MEM_LEVEL MAX_MEM_LEVEL 69 #endif 70 /* default memLevel */ 71 72 #define STORED_BLOCK 0 73 #define STATIC_TREES 1 74 #define DYN_TREES 2 75 /* The three kinds of block type */ 76 77 #define MIN_MATCH 3 78 #define MAX_MATCH 258 79 /* The minimum and maximum match lengths */ 80 81 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ 82 83 /* target dependencies */ 84 85 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) 86 # define OS_CODE 0x00 87 # ifndef Z_SOLO 88 # if defined(__TURBOC__) || defined(__BORLANDC__) 89 # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) 90 /* Allow compilation with ANSI keywords only enabled */ 91 void _Cdecl farfree( void *block ); 92 void *_Cdecl farmalloc( unsigned long nbytes ); 93 # else 94 # include <alloc.h> 95 # endif 96 # else /* MSC or DJGPP */ 97 # include <malloc.h> 98 # endif 99 # endif 100 #endif 101 102 #ifdef AMIGA 103 # define OS_CODE 0x01 104 #endif 105 106 #if defined(VAXC) || defined(VMS) 107 # define OS_CODE 0x02 108 # define F_OPEN(name, mode) \ 109 FXSYS_fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") 110 #endif 111 112 #if defined(ATARI) || defined(atarist) 113 # define OS_CODE 0x05 114 #endif 115 116 #ifdef OS2 117 # define OS_CODE 0x06 118 # if defined(M_I86) && !defined(Z_SOLO) 119 # include <malloc.h> 120 # endif 121 #endif 122 123 #if defined(MACOS) || defined(TARGET_OS_MAC) 124 # define OS_CODE 0x07 125 # ifndef Z_SOLO 126 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os 127 # include <unix.h> /* for fdopen */ 128 # else 129 # ifndef fdopen 130 # define fdopen(fd,mode) NULL /* No fdopen() */ 131 # endif 132 # endif 133 # endif 134 #endif 135 136 #ifdef TOPS20 137 # define OS_CODE 0x0a 138 #endif 139 140 #ifdef WIN32 141 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ 142 # define OS_CODE 0x0b 143 # endif 144 #endif 145 146 #ifdef __50SERIES /* Prime/PRIMOS */ 147 # define OS_CODE 0x0f 148 #endif 149 150 #if defined(_BEOS_) || defined(RISCOS) 151 # define fdopen(fd,mode) NULL /* No fdopen() */ 152 #endif 153 154 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX 155 # if defined(_WIN32_WCE) 156 # define fdopen(fd,mode) NULL /* No fdopen() */ 157 # ifndef _PTRDIFF_T_DEFINED 158 typedef int ptrdiff_t; 159 # define _PTRDIFF_T_DEFINED 160 # endif 161 # else 162 # define fdopen(fd,type) _fdopen(fd,type) 163 # endif 164 #endif 165 166 #if defined(__BORLANDC__) && !defined(MSDOS) 167 #pragma warn -8004 168 #pragma warn -8008 169 #pragma warn -8066 170 #endif 171 172 /* provide prototypes for these when building zlib without LFS */ 173 #if !defined(_WIN32) && \ 174 (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) 175 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); 176 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); 177 #endif 178 179 /* common defaults */ 180 181 #ifndef OS_CODE 182 # define OS_CODE 0x03 /* assume Unix */ 183 #endif 184 185 #ifndef F_OPEN 186 # define F_OPEN(name, mode) FXSYS_fopen((name), (mode)) 187 #endif 188 189 /* functions */ 190 191 #if defined(pyr) || defined(Z_SOLO) 192 # define NO_MEMCPY 193 #endif 194 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) 195 /* Use our own functions for small and medium model with MSC <= 5.0. 196 * You may have to use the same strategy for Borland C (untested). 197 * The __SC__ check is for Symantec. 198 */ 199 # define NO_MEMCPY 200 #endif 201 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) 202 # define HAVE_MEMCPY 203 #endif 204 #ifdef HAVE_MEMCPY 205 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */ 206 # define zmemcpy _fmemcpy 207 # define zmemcmp _fmemcmp 208 # define zmemzero(dest, len) _fmemset(dest, 0, len) 209 # else 210 # define zmemcpy FXSYS_memcpy 211 # define zmemcmp FXSYS_memcmp 212 # define zmemzero(dest, len) FXSYS_memset(dest, 0, len) 213 # endif 214 #else 215 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); 216 int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); 217 void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len)); 218 #endif 219 220 /* Diagnostic functions */ 221 #ifdef DEBUG 222 # include <stdio.h> 223 extern int ZLIB_INTERNAL z_verbose; 224 extern void ZLIB_INTERNAL z_error OF((char *m)); 225 # define Assert(cond,msg) {if(!(cond)) z_error(msg);} 226 # define Trace(x) {if (z_verbose>=0) FXSYS_fprintf x ;} 227 # define Tracev(x) {if (z_verbose>0) FXSYS_fprintf x ;} 228 # define Tracevv(x) {if (z_verbose>1) FXSYS_fprintf x ;} 229 # define Tracec(c,x) {if (z_verbose>0 && (c)) FXSYS_fprintf x ;} 230 # define Tracecv(c,x) {if (z_verbose>1 && (c)) FXSYS_fprintf x ;} 231 #else 232 # define Assert(cond,msg) 233 # define Trace(x) 234 # define Tracev(x) 235 # define Tracevv(x) 236 # define Tracec(c,x) 237 # define Tracecv(c,x) 238 #endif 239 240 #ifndef Z_SOLO 241 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, 242 unsigned size)); 243 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); 244 #endif 245 246 #define ZALLOC(strm, items, size) \ 247 (*((strm)->zalloc))((strm)->opaque, (items), (size)) 248 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) 249 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} 250 251 /* Reverse the bytes in a 32-bit value */ 252 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ 253 (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) 254 255 #endif /* ZUTIL_H */ 256
