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