MercurialSymaptic / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
os/ossrv/compressionlibs/ziplib/src/zlib/zutil.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 /* Portions Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2  * All rights reserved.

     3  */

     4 

     5 /* zutil.h -- internal interface and configuration of the compression library

     6  * Copyright (C) 1995-2005 Jean-loup Gailly.

     7  * For conditions of distribution and use, see copyright notice in zlib.h

     8  */

     9 

    10 /* WARNING: this file should *not* be used by applications. It is

    11    part of the implementation of the compression library and is

    12    subject to change. Applications should only use zlib.h.

    13  */

    14 

    15 #ifndef ZUTIL_H

    16 #define ZUTIL_H

    17 

    18 #define ZLIB_INTERNAL

    19 #include "libzcore.h"

    20 

    21 #if defined(SYMBIAN_EZLIB_DEVICE) && !defined(LIBZGZIO_H)

    22   #include <e32std.h>

    23 #endif 

    24 

    25 #if !defined(SYMBIAN_EZLIB_DEVICE) || defined(LIBZGZIO_H)

    26 

    27 #ifdef 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 #endif //SYMBIAN_EZLIB_DEVICE

    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 

    67 

    68 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]

    69 

    70 #define ERR_RETURN(strm,err) \

    71   return (strm->msg = (char*)ERR_MSG(err), (err))

    72 /* To be used only when the state is known to be valid */

    73 

    74         /* common constants */

    75 

    76 #ifndef DEF_WBITS

    77 #  define DEF_WBITS MAX_WBITS

    78 #endif

    79 /* default windowBits for decompression. MAX_WBITS is for compression only */

    80 

    81 #if MAX_MEM_LEVEL >= 8

    82 #define DEF_MEM_LEVEL 8   

    83 #else

    84 #define DEF_MEM_LEVEL MAX_MEM_LEVEL   

    85 #endif

    86 

    87 /* default memLevel */

    88 

    89 #define STORED_BLOCK 0

    90 #define STATIC_TREES 1

    91 #define DYN_TREES    2

    92 /* The three kinds of block type */

    93 

    94 #define MIN_MATCH  3

    95 #define MAX_MATCH  258

    96 /* The minimum and maximum match lengths */

    97 

    98 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */

    99 

   100         /* target dependencies */

   101 

   102 

   103 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))

   104 #  define OS_CODE  0x00

   105 #  if defined(__TURBOC__) || defined(__BORLANDC__)

   106 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))

   107        /* Allow compilation with ANSI keywords only enabled */

   108        void _Cdecl farfree( void *block );

   109        void *_Cdecl farmalloc( unsigned long nbytes );

   110 #    else

   111 #      include <alloc.h>

   112 #    endif

   113 #  else /* MSC or DJGPP */

   114 #    include <malloc.h>

   115 #  endif

   116 #endif

   117 

   118 #ifdef AMIGA

   119 #  define OS_CODE  0x01

   120 #endif

   121 

   122 #if defined(VAXC) || defined(VMS)

   123 #  define OS_CODE  0x02

   124 #  define F_OPEN(name, mode) \

   125      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")

   126 #endif

   127 

   128 #if defined(ATARI) || defined(atarist)

   129 #  define OS_CODE  0x05

   130 #endif

   131 

   132 #ifdef OS2

   133 #  define OS_CODE  0x06

   134 #  ifdef M_I86

   135      #include <malloc.h>

   136 #  endif

   137 #endif

   138 

   139 #if defined(MACOS) || defined(TARGET_OS_MAC)

   140 #  define OS_CODE  0x07

   141 #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os

   142 #    include <unix.h> /* for fdopen */

   143 #  else

   144 #    ifndef fdopen

   145 #      define fdopen(fd,mode) NULL /* No fdopen() */

   146 #    endif

   147 #  endif

   148 #endif

   149 

   150 #ifdef TOPS20

   151 #  define OS_CODE  0x0a

   152 #endif

   153 

   154 #ifdef WIN32

   155 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */

   156 #    define OS_CODE  0x0b

   157 #  endif

   158 #endif

   159 

   160 #ifdef __50SERIES /* Prime/PRIMOS */

   161 #  define OS_CODE  0x0f

   162 #endif

   163 

   164 #if defined(_BEOS_) || defined(RISCOS)

   165 #  define fdopen(fd,mode) NULL /* No fdopen() */

   166 #endif

   167 

   168 #if (defined(_MSC_VER) && (_MSC_VER > 600))

   169 #  if defined(_WIN32_WCE)

   170 #    define fdopen(fd,mode) NULL /* No fdopen() */

   171 #    ifndef _PTRDIFF_T_DEFINED

   172        typedef int ptrdiff_t;

   173 #      define _PTRDIFF_T_DEFINED

   174 #    endif

   175 #  else

   176 #    define fdopen(fd,type)  _fdopen(fd,type)

   177 #  endif

   178 #endif

   179 

   180         /* common defaults */

   181 

   182 #ifndef OS_CODE

   183 #  define OS_CODE  0x03  /* assume Unix */

   184 #endif

   185 

   186 #if !defined(SYMBIAN_EZLIB_DEVICE) || defined(LIBZGZIO_H)

   187 #ifndef F_OPEN

   188 #  define F_OPEN(name, mode) fopen((name), (mode))

   189 #endif

   190 

   191          /* functions */

   192 

   193 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)

   194 #  ifndef HAVE_VSNPRINTF

   195 #    define HAVE_VSNPRINTF

   196 #  endif

   197 #endif

   198 #if defined(__CYGWIN__)

   199 #  ifndef HAVE_VSNPRINTF

   200 #    define HAVE_VSNPRINTF

   201 #  endif

   202 #endif

   203 #ifndef HAVE_VSNPRINTF

   204 #  ifdef MSDOS

   205      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),

   206         but for now we just assume it doesn't. */

   207 #    define NO_vsnprintf

   208 #  endif

   209 #  ifdef __TURBOC__

   210 #    define NO_vsnprintf

   211 #  endif

   212 #  ifdef WIN32

   213      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */

   214 #    if !defined(vsnprintf) && !defined(NO_vsnprintf)

   215 #ifndef SYMBIAN_EZLIB_DEVICE

   216 #      define vsnprintf _vsnprintf

   217 #    endif //SYMBIAN_EZLIB_DEVICE

   218 #    endif

   219 #  endif

   220 #  ifdef __SASC

   221 #    define NO_vsnprintf

   222 #  endif

   223 #endif

   224 #ifdef VMS

   225 #  define NO_vsnprintf

   226 #endif

   227 

   228 #endif // !SYMBIAN_EZLIB_DEVICE || LIBZGZIO_H

   229 

   230 #if defined(pyr)

   231 #  define NO_MEMCPY

   232 #endif

   233 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)

   234  /* Use our own functions for small and medium model with MSC <= 5.0.

   235   * You may have to use the same strategy for Borland C (untested).

   236   * The __SC__ check is for Symantec.

   237   */

   238 #  define NO_MEMCPY

   239 #endif

   240 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)

   241 #  define HAVE_MEMCPY

   242 #endif

   243 #ifdef HAVE_MEMCPY

   244 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */

   245 #    define zmemcpy _fmemcpy

   246 #    define zmemcmp _fmemcmp

   247 #    define zmemzero(dest, len) _fmemset(dest, 0, len)

   248 #  else

   249 #    define zmemcpy memcpy

   250 #    define zmemcmp memcmp

   251 #    define zmemzero(dest, len) memset(dest, 0, len)

   252 #  endif

   253 #else

   254    extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));

   255    extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));

   256    extern void zmemzero OF((Bytef* dest, uInt len));

   257 #endif

   258 

   259 // Native Symbian Memory Functions Symbian

   260 #if defined(SYMBIAN_EZLIB_DEVICE) && !defined(LIBZGZIO_H)

   261   #define HAVE_MEMCPY

   262   #undef zmemcpy

   263   #undef zmemcmp

   264   #undef zmemzero

   265   #define zmemcpy Mem::Copy

   266   #define zmemcmp(s1,s2,len)  Mem::Compare(s1,len,s2,len)

   267   #define zmemzero(dest, len) Mem::FillZ(dest, len)

   268 #endif //SYMBIAN_EZLIB_DEVICE && !LIBZGZIO_H

   269 

   270 /* Diagnostic functions */

   271 #ifdef DEBUG

   272 #  include <stdio.h>

   273    extern int z_verbose;

   274    extern void z_error    OF((char *m));

   275 #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}

   276 #  define Trace(x) {if (z_verbose>=0) fprintf x ;}

   277 #  define Tracev(x) {if (z_verbose>0) fprintf x ;}

   278 #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}

   279 #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}

   280 #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}

   281 #else

   282 #  define Assert(cond,msg)

   283 #  define Trace(x)

   284 #  define Tracev(x)

   285 #  define Tracevv(x)

   286 #  define Tracec(c,x)

   287 #  define Tracecv(c,x)

   288 #endif

   289 

   290 

   291 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));

   292 void   zcfree  OF((voidpf opaque, voidpf ptr));

   293 

   294 #define ZALLOC(strm, items, size) \

   295            (*((strm)->zalloc))((strm)->opaque, (items), (size))

   296 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))

   297 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}

   298 

   299 #endif /* ZUTIL_H */
Symaptic