AppPkg/Applications/Python/Python-2.7.10/PyMod-2.7.10/Modules/zlib/zutil.h

   1 /** @file
   2   zutil.h -- internal interface and configuration of the compression library
   3
   4    Copyright (C) 2015, Daryl McDaniel.<BR>
   5  * Copyright (C) 1995-2013 Jean-loup Gailly.
   6  * For conditions of distribution and use, see copyright notice in zlib.h
   7 **/
   8
   9 /* WARNING: this file should *not* be used by applications. It is
  10    part of the implementation of the compression library and is
  11    subject to change. Applications should only use zlib.h.
  12  */
  13
  14 /* @(#) $Id$ */
  15
  16 #ifndef ZUTIL_H
  17 #define ZUTIL_H
  18
  19 #ifdef HAVE_HIDDEN
  20 #  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
  21 #else
  22 #  define ZLIB_INTERNAL
  23 #endif
  24
  25 #include "zlib.h"
  26
  27 #if defined(UEFI_C_SOURCE) || (defined(STDC) && !defined(Z_SOLO))
  28 #  if !(defined(_WIN32_WCE) && defined(_MSC_VER))
  29 #    include <stddef.h>
  30 #  endif
  31 #  include <string.h>
  32 #  include <stdlib.h>
  33 #endif
  34
  35 #ifdef Z_SOLO
  36    typedef long ptrdiff_t;  /* guess -- will be caught if guess is wrong */
  37 #endif
  38
  39 #ifndef local
  40 #  define local static
  41 #endif
  42 /* compile with -Dlocal if your debugger can't find static symbols */
  43
  44 typedef unsigned char  uch;
  45 typedef uch FAR uchf;
  46 typedef unsigned short ush;
  47 typedef ush FAR ushf;
  48 typedef unsigned long  ulg;
  49
  50 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  51 /* (size given to avoid silly warnings with Visual C++) */
  52
  53 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
  54
  55 #define ERR_RETURN(strm,err) \
  56   return (strm->msg = ERR_MSG(err), (err))
  57 /* To be used only when the state is known to be valid */
  58
  59         /* common constants */
  60
  61 #ifndef DEF_WBITS
  62 #  define DEF_WBITS MAX_WBITS
  63 #endif
  64 /* default windowBits for decompression. MAX_WBITS is for compression only */
  65
  66 #if MAX_MEM_LEVEL >= 8
  67 #  define DEF_MEM_LEVEL 8
  68 #else
  69 #  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
  70 #endif
  71 /* default memLevel */
  72
  73 #define STORED_BLOCK 0
  74 #define STATIC_TREES 1
  75 #define DYN_TREES    2
  76 /* The three kinds of block type */
  77
  78 #define MIN_MATCH  3
  79 #define MAX_MATCH  258
  80 /* The minimum and maximum match lengths */
  81
  82 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
  83
  84         /* target dependencies */
  85
  86 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
  87 #  define OS_CODE  0x00
  88 #  ifndef Z_SOLO
  89 #    if defined(__TURBOC__) || defined(__BORLANDC__)
  90 #      if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
  91          /* Allow compilation with ANSI keywords only enabled */
  92          void _Cdecl farfree( void *block );
  93          void *_Cdecl farmalloc( unsigned long nbytes );
  94 #      else
  95 #        include <alloc.h>
  96 #      endif
  97 #    else /* MSC or DJGPP */
  98 #      include <malloc.h>
  99 #    endif
 100 #  endif
 101 #endif
 102
 103 #ifdef AMIGA
 104 #  define OS_CODE  0x01
 105 #endif
 106
 107 #if defined(VAXC) || defined(VMS)
 108 #  define OS_CODE  0x02
 109 #  define F_OPEN(name, mode) \
 110      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 111 #endif
 112
 113 #if defined(ATARI) || defined(atarist)
 114 #  define OS_CODE  0x05
 115 #endif
 116
 117 #ifdef OS2
 118 #  define OS_CODE  0x06
 119 #  if defined(M_I86) && !defined(Z_SOLO)
 120 #    include <malloc.h>
 121 #  endif
 122 #endif
 123
 124 #if defined(MACOS) || defined(TARGET_OS_MAC)
 125 #  define OS_CODE  0x07
 126 #  ifndef Z_SOLO
 127 #    if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
 128 #      include <unix.h> /* for fdopen */
 129 #    else
 130 #      ifndef fdopen
 131 #        define fdopen(fd,mode) NULL /* No fdopen() */
 132 #      endif
 133 #    endif
 134 #  endif
 135 #endif
 136
 137 #ifdef TOPS20
 138 #  define OS_CODE  0x0a
 139 #endif
 140
 141 #ifdef WIN32
 142 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
 143 #    define OS_CODE  0x0b
 144 #  endif
 145 #endif
 146
 147 #ifdef __50SERIES /* Prime/PRIMOS */
 148 #  define OS_CODE  0x0f
 149 #endif
 150
 151 #if defined(_BEOS_) || defined(RISCOS)
 152 #  define fdopen(fd,mode) NULL /* No fdopen() */
 153 #endif
 154
 155 #if !defined(UEFI_C_SOURCE) && (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined(__INTERIX)
 156 #  if defined(_WIN32_WCE)
 157 #    define fdopen(fd,mode) NULL /* No fdopen() */
 158 #    ifndef _PTRDIFF_T_DEFINED
 159        typedef int ptrdiff_t;
 160 #      define _PTRDIFF_T_DEFINED
 161 #    endif
 162 #  else
 163 #    define fdopen(fd,type)  _fdopen(fd,type)
 164 #  endif
 165 #endif
 166
 167 #if defined(__BORLANDC__) && !defined(MSDOS)
 168   #pragma warn -8004
 169   #pragma warn -8008
 170   #pragma warn -8066
 171 #endif
 172
 173 /* provide prototypes for these when building zlib without LFS */
 174 #if !defined(_WIN32) && \
 175     (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
 176     ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
 177     ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
 178 #endif
 179
 180         /* common defaults */
 181
 182 #ifndef OS_CODE
 183 #  define OS_CODE  0x03  /* assume Unix */
 184 #endif
 185
 186 #ifndef F_OPEN
 187 #  define F_OPEN(name, mode) fopen((name), (mode))
 188 #endif
 189
 190          /* functions */
 191
 192 #if defined(pyr) || defined(Z_SOLO)
 193 #  define NO_MEMCPY
 194 #endif
 195 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
 196  /* Use our own functions for small and medium model with MSC <= 5.0.
 197   * You may have to use the same strategy for Borland C (untested).
 198   * The __SC__ check is for Symantec.
 199   */
 200 #  define NO_MEMCPY
 201 #endif
 202 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
 203 #  define HAVE_MEMCPY
 204 #endif
 205 #ifdef HAVE_MEMCPY
 206 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
 207 #    define zmemcpy _fmemcpy
 208 #    define zmemcmp _fmemcmp
 209 #    define zmemzero(dest, len) _fmemset(dest, 0, len)
 210 #  else
 211 #    define zmemcpy memcpy
 212 #    define zmemcmp memcmp
 213 #    define zmemzero(dest, len) memset(dest, 0, len)
 214 #  endif
 215 #else
 216    void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
 217    int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
 218    void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
 219 #endif
 220
 221 /* Diagnostic functions */
 222 #ifdef DEBUG
 223 #  include <stdio.h>
 224    extern int ZLIB_INTERNAL z_verbose;
 225    extern void ZLIB_INTERNAL z_error OF((char *m));
 226 #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
 227 #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
 228 #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
 229 #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
 230 #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
 231 #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
 232 #else
 233 #  define Assert(cond,msg)
 234 #  define Trace(x)
 235 #  define Tracev(x)
 236 #  define Tracevv(x)
 237 #  define Tracec(c,x)
 238 #  define Tracecv(c,x)
 239 #endif
 240
 241 #ifndef Z_SOLO
 242    voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
 243                                     unsigned size));
 244    void ZLIB_INTERNAL zcfree  OF((voidpf opaque, voidpf ptr));
 245 #endif
 246
 247 #define ZALLOC(strm, items, size) \
 248            (*((strm)->zalloc))((strm)->opaque, (items), (size))
 249 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
 250 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
 251
 252 /* Reverse the bytes in a 32-bit value */
 253 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
 254                     (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
 255
 256 #endif /* ZUTIL_H */