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

   1 /* zutil.h -- internal interface and configuration of the compression library
   2
   3     Copyright (c) 2011 - 2012, 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 #ifndef ZUTIL_H
  22 #define ZUTIL_H
  23
  24 #define ZLIB_INTERNAL
  25 #include "zlib.h"
  26
  27 #if defined(UEFI_C_SOURCE) || defined(STDC)
  28 #  ifndef _WIN32_WCE
  29 #    include <stddef.h>
  30 #  endif
  31 #  include <string.h>
  32 #  include <stdlib.h>
  33 #endif
  34 #ifdef NO_ERRNO_H
  35 #   ifdef _WIN32_WCE
  36       /* The Microsoft C Run-Time Library for Windows CE doesn't have
  37        * errno.  We define it as a global variable to simplify porting.
  38        * Its value is always 0 and should not be used.  We rename it to
  39        * avoid conflict with other libraries that use the same workaround.
  40        */
  41 #     define errno z_errno
  42 #   endif
  43     extern int errno;
  44 #else
  45 #  ifndef _WIN32_WCE
  46 #    include <errno.h>
  47 #  endif
  48 #endif
  49
  50 #ifndef local
  51 #  define local static
  52 #endif
  53 /* compile with -Dlocal if your debugger can't find static symbols */
  54
  55 typedef unsigned char  uch;
  56 typedef uch FAR uchf;
  57 typedef unsigned short ush;
  58 typedef ush FAR ushf;
  59 typedef unsigned long  ulg;
  60
  61 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  62 /* (size given to avoid silly warnings with Visual C++) */
  63
  64 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
  65
  66 #define ERR_RETURN(strm,err) \
  67   return (strm->msg = (char*)ERR_MSG(err), (err))
  68 /* To be used only when the state is known to be valid */
  69
  70         /* common constants */
  71
  72 #ifndef DEF_WBITS
  73 #  define DEF_WBITS MAX_WBITS
  74 #endif
  75 /* default windowBits for decompression. MAX_WBITS is for compression only */
  76
  77 #if MAX_MEM_LEVEL >= 8
  78 #  define DEF_MEM_LEVEL 8
  79 #else
  80 #  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
  81 #endif
  82 /* default memLevel */
  83
  84 #define STORED_BLOCK 0
  85 #define STATIC_TREES 1
  86 #define DYN_TREES    2
  87 /* The three kinds of block type */
  88
  89 #define MIN_MATCH  3
  90 #define MAX_MATCH  258
  91 /* The minimum and maximum match lengths */
  92
  93 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
  94
  95         /* target dependencies */
  96
  97 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
  98 #  define OS_CODE  0x00
  99 #  if defined(__TURBOC__) || defined(__BORLANDC__)
 100 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
 101        /* Allow compilation with ANSI keywords only enabled */
 102        void _Cdecl farfree( void *block );
 103        void *_Cdecl farmalloc( unsigned long nbytes );
 104 #    else
 105 #      include <alloc.h>
 106 #    endif
 107 #  else /* MSC or DJGPP */
 108 #    include <malloc.h>
 109 #  endif
 110 #endif
 111
 112 #ifdef AMIGA
 113 #  define OS_CODE  0x01
 114 #endif
 115
 116 #if defined(VAXC) || defined(VMS)
 117 #  define OS_CODE  0x02
 118 #  define F_OPEN(name, mode) \
 119      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 120 #endif
 121
 122 #if defined(ATARI) || defined(atarist)
 123 #  define OS_CODE  0x05
 124 #endif
 125
 126 #ifdef OS2
 127 #  define OS_CODE  0x06
 128 #  ifdef M_I86
 129      #include <malloc.h>
 130 #  endif
 131 #endif
 132
 133 #if defined(MACOS) || defined(TARGET_OS_MAC)
 134 #  define OS_CODE  0x07
 135 #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
 136 #    include <unix.h> /* for fdopen */
 137 #  else
 138 #    ifndef fdopen
 139 #      define fdopen(fd,mode) NULL /* No fdopen() */
 140 #    endif
 141 #  endif
 142 #endif
 143
 144 #ifdef TOPS20
 145 #  define OS_CODE  0x0a
 146 #endif
 147
 148 #ifdef WIN32
 149 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
 150 #    define OS_CODE  0x0b
 151 #  endif
 152 #endif
 153
 154 #ifdef __50SERIES /* Prime/PRIMOS */
 155 #  define OS_CODE  0x0f
 156 #endif
 157
 158 #if defined(_BEOS_) || defined(RISCOS)
 159 #  define fdopen(fd,mode) NULL /* No fdopen() */
 160 #endif
 161
 162 #if !defined(UEFI_C_SOURCE) && (defined(_MSC_VER) && (_MSC_VER > 600))
 163 #  if defined(_WIN32_WCE)
 164 #    define fdopen(fd,mode) NULL /* No fdopen() */
 165 #    ifndef _PTRDIFF_T_DEFINED
 166        typedef int ptrdiff_t;
 167 #      define _PTRDIFF_T_DEFINED
 168 #    endif
 169 #  else
 170 #    define fdopen(fd,type)  _fdopen(fd,type)
 171 #  endif
 172 #endif
 173
 174         /* common defaults */
 175
 176 #ifndef OS_CODE
 177 #  define OS_CODE  0x03  /* assume Unix */
 178 #endif
 179
 180 #ifndef F_OPEN
 181 #  define F_OPEN(name, mode) fopen((name), (mode))
 182 #endif
 183
 184          /* functions */
 185
 186 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
 187 #  ifndef HAVE_VSNPRINTF
 188 #    define HAVE_VSNPRINTF
 189 #  endif
 190 #endif
 191 #if defined(__CYGWIN__)
 192 #  ifndef HAVE_VSNPRINTF
 193 #    define HAVE_VSNPRINTF
 194 #  endif
 195 #endif
 196 #ifndef HAVE_VSNPRINTF
 197 #  ifdef MSDOS
 198      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
 199         but for now we just assume it doesn't. */
 200 #    define NO_vsnprintf
 201 #  endif
 202 #  ifdef __TURBOC__
 203 #    define NO_vsnprintf
 204 #  endif
 205 #  ifdef WIN32
 206      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
 207 #    if !defined(vsnprintf) && !defined(NO_vsnprintf)
 208 #      define vsnprintf _vsnprintf
 209 #    endif
 210 #  endif
 211 #  ifdef __SASC
 212 #    define NO_vsnprintf
 213 #  endif
 214 #endif
 215 #ifdef VMS
 216 #  define NO_vsnprintf
 217 #endif
 218
 219 #if defined(pyr)
 220 #  define NO_MEMCPY
 221 #endif
 222 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
 223  /* Use our own functions for small and medium model with MSC <= 5.0.
 224   * You may have to use the same strategy for Borland C (untested).
 225   * The __SC__ check is for Symantec.
 226   */
 227 #  define NO_MEMCPY
 228 #endif
 229 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
 230 #  define HAVE_MEMCPY
 231 #endif
 232 #ifdef HAVE_MEMCPY
 233 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
 234 #    define zmemcpy _fmemcpy
 235 #    define zmemcmp _fmemcmp
 236 #    define zmemzero(dest, len) _fmemset(dest, 0, len)
 237 #  else
 238 #    define zmemcpy memcpy
 239 #    define zmemcmp memcmp
 240 #    define zmemzero(dest, len) memset(dest, 0, len)
 241 #  endif
 242 #else
 243    extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
 244    extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));
 245    extern void zmemzero OF((Bytef* dest, uInt len));
 246 #endif
 247
 248 /* Diagnostic functions */
 249 #ifdef DEBUG
 250 #  include <stdio.h>
 251    extern int z_verbose;
 252    extern void z_error    OF((char *m));
 253 #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
 254 #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
 255 #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
 256 #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
 257 #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
 258 #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
 259 #else
 260 #  define Assert(cond,msg)
 261 #  define Trace(x)
 262 #  define Tracev(x)
 263 #  define Tracevv(x)
 264 #  define Tracec(c,x)
 265 #  define Tracecv(c,x)
 266 #endif
 267
 268
 269 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
 270 void   zcfree  OF((voidpf opaque, voidpf ptr));
 271
 272 #define ZALLOC(strm, items, size) \
 273            (*((strm)->zalloc))((strm)->opaque, (items), (size))
 274 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
 275 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
 276
 277 #endif /* ZUTIL_H */