AppPkg/Applications/Python/PyMod-2.7.2/Modules/zlib/zutil.h

   1 /* zutil.h -- internal interface and configuration of the compression library
   2
   3     Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
   4     This program and the accompanying materials are licensed and made available under
   5     the terms and conditions of the BSD License that accompanies this distribution.
   6     The full text of the license may be found at
   7     http://opensource.org/licenses/bsd-license.
   8
   9     THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10     WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12  * Copyright (C) 1995-2005 Jean-loup Gailly.
  13  * For conditions of distribution and use, see copyright notice in zlib.h
  14  */
  15
  16 /* WARNING: this file should *not* be used by applications. It is
  17    part of the implementation of the compression library and is
  18    subject to change. Applications should only use zlib.h.
  19  */
  20
  21 /* @(#) $Id$ */
  22
  23 #ifndef ZUTIL_H
  24 #define ZUTIL_H
  25
  26 #define ZLIB_INTERNAL
  27 #include "zlib.h"
  28
  29 #ifdef STDC
  30 #  ifndef _WIN32_WCE
  31 #    include <stddef.h>
  32 #  endif
  33 #  include <string.h>
  34 #  include <stdlib.h>
  35 #endif
  36 #ifdef NO_ERRNO_H
  37 #   ifdef _WIN32_WCE
  38       /* The Microsoft C Run-Time Library for Windows CE doesn't have
  39        * errno.  We define it as a global variable to simplify porting.
  40        * Its value is always 0 and should not be used.  We rename it to
  41        * avoid conflict with other libraries that use the same workaround.
  42        */
  43 #     define errno z_errno
  44 #   endif
  45     extern int errno;
  46 #else
  47 #  ifndef _WIN32_WCE
  48 #    include <errno.h>
  49 #  endif
  50 #endif
  51
  52 #ifndef local
  53 #  define local static
  54 #endif
  55 /* compile with -Dlocal if your debugger can't find static symbols */
  56
  57 typedef unsigned char  uch;
  58 typedef uch FAR uchf;
  59 typedef unsigned short ush;
  60 typedef ush FAR ushf;
  61 typedef unsigned long  ulg;
  62
  63 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  64 /* (size given to avoid silly warnings with Visual C++) */
  65
  66 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
  67
  68 #define ERR_RETURN(strm,err) \
  69   return (strm->msg = (char*)ERR_MSG(err), (err))
  70 /* To be used only when the state is known to be valid */
  71
  72         /* common constants */
  73
  74 #ifndef DEF_WBITS
  75 #  define DEF_WBITS MAX_WBITS
  76 #endif
  77 /* default windowBits for decompression. MAX_WBITS is for compression only */
  78
  79 #if MAX_MEM_LEVEL >= 8
  80 #  define DEF_MEM_LEVEL 8
  81 #else
  82 #  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
  83 #endif
  84 /* default memLevel */
  85
  86 #define STORED_BLOCK 0
  87 #define STATIC_TREES 1
  88 #define DYN_TREES    2
  89 /* The three kinds of block type */
  90
  91 #define MIN_MATCH  3
  92 #define MAX_MATCH  258
  93 /* The minimum and maximum match lengths */
  94
  95 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
  96
  97         /* target dependencies */
  98
  99 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
 100 #  define OS_CODE  0x00
 101 #  if defined(__TURBOC__) || defined(__BORLANDC__)
 102 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
 103        /* Allow compilation with ANSI keywords only enabled */
 104        void _Cdecl farfree( void *block );
 105        void *_Cdecl farmalloc( unsigned long nbytes );
 106 #    else
 107 #      include <alloc.h>
 108 #    endif
 109 #  else /* MSC or DJGPP */
 110 #    include <malloc.h>
 111 #  endif
 112 #endif
 113
 114 #ifdef AMIGA
 115 #  define OS_CODE  0x01
 116 #endif
 117
 118 #if defined(VAXC) || defined(VMS)
 119 #  define OS_CODE  0x02
 120 #  define F_OPEN(name, mode) \
 121      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 122 #endif
 123
 124 #if defined(ATARI) || defined(atarist)
 125 #  define OS_CODE  0x05
 126 #endif
 127
 128 #ifdef OS2
 129 #  define OS_CODE  0x06
 130 #  ifdef M_I86
 131      #include <malloc.h>
 132 #  endif
 133 #endif
 134
 135 #if defined(MACOS) || defined(TARGET_OS_MAC)
 136 #  define OS_CODE  0x07
 137 #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
 138 #    include <unix.h> /* for fdopen */
 139 #  else
 140 #    ifndef fdopen
 141 #      define fdopen(fd,mode) NULL /* No fdopen() */
 142 #    endif
 143 #  endif
 144 #endif
 145
 146 #ifdef TOPS20
 147 #  define OS_CODE  0x0a
 148 #endif
 149
 150 #ifdef WIN32
 151 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
 152 #    define OS_CODE  0x0b
 153 #  endif
 154 #endif
 155
 156 #ifdef __50SERIES /* Prime/PRIMOS */
 157 #  define OS_CODE  0x0f
 158 #endif
 159
 160 #if defined(_BEOS_) || defined(RISCOS)
 161 #  define fdopen(fd,mode) NULL /* No fdopen() */
 162 #endif
 163
 164 #if (defined(_MSC_VER) && (_MSC_VER > 600))
 165 #  if defined(_WIN32_WCE) || defined(_EFI_STDLIB)
 166 #    define fdopen(fd,mode) NULL /* No fdopen() */
 167 #    ifndef _PTRDIFF_T_DEFINED
 168        typedef int ptrdiff_t;
 169 #      define _PTRDIFF_T_DEFINED
 170 #    endif
 171 #  else
 172 #    define fdopen(fd,type)  _fdopen(fd,type)
 173 #  endif
 174 #endif
 175
 176         /* common defaults */
 177
 178 #ifndef OS_CODE
 179 #  define OS_CODE  0x03  /* assume Unix */
 180 #endif
 181
 182 #ifndef F_OPEN
 183 #  define F_OPEN(name, mode) fopen((name), (mode))
 184 #endif
 185
 186          /* functions */
 187
 188 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
 189 #  ifndef HAVE_VSNPRINTF
 190 #    define HAVE_VSNPRINTF
 191 #  endif
 192 #endif
 193 #if defined(__CYGWIN__)
 194 #  ifndef HAVE_VSNPRINTF
 195 #    define HAVE_VSNPRINTF
 196 #  endif
 197 #endif
 198 #ifndef HAVE_VSNPRINTF
 199 #  ifdef MSDOS
 200      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
 201         but for now we just assume it doesn't. */
 202 #    define NO_vsnprintf
 203 #  endif
 204 #  ifdef __TURBOC__
 205 #    define NO_vsnprintf
 206 #  endif
 207 #  ifdef WIN32
 208      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
 209 #    if !defined(vsnprintf) && !defined(NO_vsnprintf)
 210 #      define vsnprintf _vsnprintf
 211 #    endif
 212 #  endif
 213 #  ifdef __SASC
 214 #    define NO_vsnprintf
 215 #  endif
 216 #endif
 217 #ifdef VMS
 218 #  define NO_vsnprintf
 219 #endif
 220
 221 #if defined(pyr)
 222 #  define NO_MEMCPY
 223 #endif
 224 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
 225  /* Use our own functions for small and medium model with MSC <= 5.0.
 226   * You may have to use the same strategy for Borland C (untested).
 227   * The __SC__ check is for Symantec.
 228   */
 229 #  define NO_MEMCPY
 230 #endif
 231 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
 232 #  define HAVE_MEMCPY
 233 #endif
 234 #ifdef HAVE_MEMCPY
 235 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
 236 #    define zmemcpy _fmemcpy
 237 #    define zmemcmp _fmemcmp
 238 #    define zmemzero(dest, len) _fmemset(dest, 0, len)
 239 #  else
 240 #    define zmemcpy memcpy
 241 #    define zmemcmp memcmp
 242 #    define zmemzero(dest, len) memset(dest, 0, len)
 243 #  endif
 244 #else
 245    extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
 246    extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));
 247    extern void zmemzero OF((Bytef* dest, uInt len));
 248 #endif
 249
 250 /* Diagnostic functions */
 251 #ifdef DEBUG
 252 #  include <stdio.h>
 253    extern int z_verbose;
 254    extern void z_error    OF((char *m));
 255 #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
 256 #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
 257 #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
 258 #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
 259 #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
 260 #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
 261 #else
 262 #  define Assert(cond,msg)
 263 #  define Trace(x)
 264 #  define Tracev(x)
 265 #  define Tracevv(x)
 266 #  define Tracec(c,x)
 267 #  define Tracecv(c,x)
 268 #endif
 269
 270
 271 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
 272 void   zcfree  OF((voidpf opaque, voidpf ptr));
 273
 274 #define ZALLOC(strm, items, size) \
 275            (*((strm)->zalloc))((strm)->opaque, (items), (size))
 276 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
 277 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
 278
 279 #endif /* ZUTIL_H */