projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3ec97ca4 DM |
1 | /* zutil.h -- internal interface and configuration of the compression library\r |
| 2 | * Copyright (C) 1995-2013 Jean-loup Gailly.\r | |
| 3 | * For conditions of distribution and use, see copyright notice in zlib.h\r | |
| 4 | */\r | |
| 5 | \r | |
| 6 | /* WARNING: this file should *not* be used by applications. It is\r | |
| 7 | part of the implementation of the compression library and is\r | |
| 8 | subject to change. Applications should only use zlib.h.\r | |
| 9 | */\r | |
| 10 | \r | |
| 11 | /* @(#) $Id$ */\r | |
| 12 | \r | |
| 13 | #ifndef ZUTIL_H\r | |
| 14 | #define ZUTIL_H\r | |
| 15 | \r | |
| 16 | #ifdef HAVE_HIDDEN\r | |
| 17 | # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))\r | |
| 18 | #else\r | |
| 19 | # define ZLIB_INTERNAL\r | |
| 20 | #endif\r | |
| 21 | \r | |
| 22 | #include "zlib.h"\r | |
| 23 | \r | |
| 24 | #if defined(STDC) && !defined(Z_SOLO)\r | |
| 25 | # if !(defined(_WIN32_WCE) && defined(_MSC_VER))\r | |
| 26 | # include <stddef.h>\r | |
| 27 | # endif\r | |
| 28 | # include <string.h>\r | |
| 29 | # include <stdlib.h>\r | |
| 30 | #endif\r | |
| 31 | \r | |
| 32 | #ifdef Z_SOLO\r | |
| 33 | typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */\r | |
| 34 | #endif\r | |
| 35 | \r | |
| 36 | #ifndef local\r | |
| 37 | # define local static\r | |
| 38 | #endif\r | |
| 39 | /* compile with -Dlocal if your debugger can't find static symbols */\r | |
| 40 | \r | |
| 41 | typedef unsigned char uch;\r | |
| 42 | typedef uch FAR uchf;\r | |
| 43 | typedef unsigned short ush;\r | |
| 44 | typedef ush FAR ushf;\r | |
| 45 | typedef unsigned long ulg;\r | |
| 46 | \r | |
| 47 | extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */\r | |
| 48 | /* (size given to avoid silly warnings with Visual C++) */\r | |
| 49 | \r | |
| 50 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]\r | |
| 51 | \r | |
| 52 | #define ERR_RETURN(strm,err) \\r | |
| 53 | return (strm->msg = ERR_MSG(err), (err))\r | |
| 54 | /* To be used only when the state is known to be valid */\r | |
| 55 | \r | |
| 56 | /* common constants */\r | |
| 57 | \r | |
| 58 | #ifndef DEF_WBITS\r | |
| 59 | # define DEF_WBITS MAX_WBITS\r | |
| 60 | #endif\r | |
| 61 | /* default windowBits for decompression. MAX_WBITS is for compression only */\r | |
| 62 | \r | |
| 63 | #if MAX_MEM_LEVEL >= 8\r | |
| 64 | # define DEF_MEM_LEVEL 8\r | |
| 65 | #else\r | |
| 66 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL\r | |
| 67 | #endif\r | |
| 68 | /* default memLevel */\r | |
| 69 | \r | |
| 70 | #define STORED_BLOCK 0\r | |
| 71 | #define STATIC_TREES 1\r | |
| 72 | #define DYN_TREES 2\r | |
| 73 | /* The three kinds of block type */\r | |
| 74 | \r | |
| 75 | #define MIN_MATCH 3\r | |
| 76 | #define MAX_MATCH 258\r | |
| 77 | /* The minimum and maximum match lengths */\r | |
| 78 | \r | |
| 79 | #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */\r | |
| 80 | \r | |
| 81 | /* target dependencies */\r | |
| 82 | \r | |
| 83 | #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))\r | |
| 84 | # define OS_CODE 0x00\r | |
| 85 | # ifndef Z_SOLO\r | |
| 86 | # if defined(__TURBOC__) || defined(__BORLANDC__)\r | |
| 87 | # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))\r | |
| 88 | /* Allow compilation with ANSI keywords only enabled */\r | |
| 89 | void _Cdecl farfree( void *block );\r | |
| 90 | void *_Cdecl farmalloc( unsigned long nbytes );\r | |
| 91 | # else\r | |
| 92 | # include <alloc.h>\r | |
| 93 | # endif\r | |
| 94 | # else /* MSC or DJGPP */\r | |
| 95 | # include <malloc.h>\r | |
| 96 | # endif\r | |
| 97 | # endif\r | |
| 98 | #endif\r | |
| 99 | \r | |
| 100 | #ifdef AMIGA\r | |
| 101 | # define OS_CODE 0x01\r | |
| 102 | #endif\r | |
| 103 | \r | |
| 104 | #if defined(VAXC) || defined(VMS)\r | |
| 105 | # define OS_CODE 0x02\r | |
| 106 | # define F_OPEN(name, mode) \\r | |
| 107 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")\r | |
| 108 | #endif\r | |
| 109 | \r | |
| 110 | #if defined(ATARI) || defined(atarist)\r | |
| 111 | # define OS_CODE 0x05\r | |
| 112 | #endif\r | |
| 113 | \r | |
| 114 | #ifdef OS2\r | |
| 115 | # define OS_CODE 0x06\r | |
| 116 | # if defined(M_I86) && !defined(Z_SOLO)\r | |
| 117 | # include <malloc.h>\r | |
| 118 | # endif\r | |
| 119 | #endif\r | |
| 120 | \r | |
| 121 | #if defined(MACOS) || defined(TARGET_OS_MAC)\r | |
| 122 | # define OS_CODE 0x07\r | |
| 123 | # ifndef Z_SOLO\r | |
| 124 | # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os\r | |
| 125 | # include <unix.h> /* for fdopen */\r | |
| 126 | # else\r | |
| 127 | # ifndef fdopen\r | |
| 128 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
| 129 | # endif\r | |
| 130 | # endif\r | |
| 131 | # endif\r | |
| 132 | #endif\r | |
| 133 | \r | |
| 134 | #ifdef TOPS20\r | |
| 135 | # define OS_CODE 0x0a\r | |
| 136 | #endif\r | |
| 137 | \r | |
| 138 | #ifdef WIN32\r | |
| 139 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */\r | |
| 140 | # define OS_CODE 0x0b\r | |
| 141 | # endif\r | |
| 142 | #endif\r | |
| 143 | \r | |
| 144 | #ifdef __50SERIES /* Prime/PRIMOS */\r | |
| 145 | # define OS_CODE 0x0f\r | |
| 146 | #endif\r | |
| 147 | \r | |
| 148 | #if defined(_BEOS_) || defined(RISCOS)\r | |
| 149 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
| 150 | #endif\r | |
| 151 | \r | |
| 152 | #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX\r | |
| 153 | # if defined(_WIN32_WCE)\r | |
| 154 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
| 155 | # ifndef _PTRDIFF_T_DEFINED\r | |
| 156 | typedef int ptrdiff_t;\r | |
| 157 | # define _PTRDIFF_T_DEFINED\r | |
| 158 | # endif\r | |
| 159 | # else\r | |
| 160 | # define fdopen(fd,type) _fdopen(fd,type)\r | |
| 161 | # endif\r | |
| 162 | #endif\r | |
| 163 | \r | |
| 164 | #if defined(__BORLANDC__) && !defined(MSDOS)\r | |
| 165 | #pragma warn -8004\r | |
| 166 | #pragma warn -8008\r | |
| 167 | #pragma warn -8066\r | |
| 168 | #endif\r | |
| 169 | \r | |
| 170 | /* provide prototypes for these when building zlib without LFS */\r | |
| 171 | #if !defined(_WIN32) && \\r | |
| 172 | (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)\r | |
| 173 | ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));\r | |
| 174 | ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));\r | |
| 175 | #endif\r | |
| 176 | \r | |
| 177 | /* common defaults */\r | |
| 178 | \r | |
| 179 | #ifndef OS_CODE\r | |
| 180 | # define OS_CODE 0x03 /* assume Unix */\r | |
| 181 | #endif\r | |
| 182 | \r | |
| 183 | #ifndef F_OPEN\r | |
| 184 | # define F_OPEN(name, mode) fopen((name), (mode))\r | |
| 185 | #endif\r | |
| 186 | \r | |
| 187 | /* functions */\r | |
| 188 | \r | |
| 189 | #if defined(pyr) || defined(Z_SOLO)\r | |
| 190 | # define NO_MEMCPY\r | |
| 191 | #endif\r | |
| 192 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)\r | |
| 193 | /* Use our own functions for small and medium model with MSC <= 5.0.\r | |
| 194 | * You may have to use the same strategy for Borland C (untested).\r | |
| 195 | * The __SC__ check is for Symantec.\r | |
| 196 | */\r | |
| 197 | # define NO_MEMCPY\r | |
| 198 | #endif\r | |
| 199 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)\r | |
| 200 | # define HAVE_MEMCPY\r | |
| 201 | #endif\r | |
| 202 | #ifdef HAVE_MEMCPY\r | |
| 203 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */\r | |
| 204 | # define zmemcpy _fmemcpy\r | |
| 205 | # define zmemcmp _fmemcmp\r | |
| 206 | # define zmemzero(dest, len) _fmemset(dest, 0, len)\r | |
| 207 | # else\r | |
| 208 | # define zmemcpy memcpy\r | |
| 209 | # define zmemcmp memcmp\r | |
| 210 | # define zmemzero(dest, len) memset(dest, 0, len)\r | |
| 211 | # endif\r | |
| 212 | #else\r | |
| 213 | void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));\r | |
| 214 | int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));\r | |
| 215 | void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));\r | |
| 216 | #endif\r | |
| 217 | \r | |
| 218 | /* Diagnostic functions */\r | |
| 219 | #ifdef DEBUG\r | |
| 220 | # include <stdio.h>\r | |
| 221 | extern int ZLIB_INTERNAL z_verbose;\r | |
| 222 | extern void ZLIB_INTERNAL z_error OF((char *m));\r | |
| 223 | # define Assert(cond,msg) {if(!(cond)) z_error(msg);}\r | |
| 224 | # define Trace(x) {if (z_verbose>=0) fprintf x ;}\r | |
| 225 | # define Tracev(x) {if (z_verbose>0) fprintf x ;}\r | |
| 226 | # define Tracevv(x) {if (z_verbose>1) fprintf x ;}\r | |
| 227 | # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}\r | |
| 228 | # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}\r | |
| 229 | #else\r | |
| 230 | # define Assert(cond,msg)\r | |
| 231 | # define Trace(x)\r | |
| 232 | # define Tracev(x)\r | |
| 233 | # define Tracevv(x)\r | |
| 234 | # define Tracec(c,x)\r | |
| 235 | # define Tracecv(c,x)\r | |
| 236 | #endif\r | |
| 237 | \r | |
| 238 | #ifndef Z_SOLO\r | |
| 239 | voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,\r | |
| 240 | unsigned size));\r | |
| 241 | void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));\r | |
| 242 | #endif\r | |
| 243 | \r | |
| 244 | #define ZALLOC(strm, items, size) \\r | |
| 245 | (*((strm)->zalloc))((strm)->opaque, (items), (size))\r | |
| 246 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))\r | |
| 247 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}\r | |
| 248 | \r | |
| 249 | /* Reverse the bytes in a 32-bit value */\r | |
| 250 | #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \\r | |
| 251 | (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))\r | |
| 252 | \r | |
| 253 | #endif /* ZUTIL_H */\r |