modules/zlib/src/zutil.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/modules/zlib/src/zutil.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,258 @@
     1.4 +/* zutil.h -- internal interface and configuration of the compression library
     1.5 + * Copyright (C) 1995-2013 Jean-loup Gailly.
     1.6 + * For conditions of distribution and use, see copyright notice in zlib.h
     1.7 + */
     1.8 +
     1.9 +/* WARNING: this file should *not* be used by applications. It is
    1.10 +   part of the implementation of the compression library and is
    1.11 +   subject to change. Applications should only use zlib.h.
    1.12 + */
    1.13 +
    1.14 +/* @(#) $Id$ */
    1.15 +
    1.16 +#ifndef ZUTIL_H
    1.17 +#define ZUTIL_H
    1.18 +
    1.19 +#ifdef HAVE_HIDDEN
    1.20 +#  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
    1.21 +#else
    1.22 +#  define ZLIB_INTERNAL
    1.23 +#endif
    1.24 +
    1.25 +#include "zlib.h"
    1.26 +
    1.27 +#if defined(STDC) && !defined(Z_SOLO)
    1.28 +#  if !(defined(_WIN32_WCE) && defined(_MSC_VER))
    1.29 +#    include <stddef.h>
    1.30 +#  endif
    1.31 +#  include <string.h>
    1.32 +#  include <stdlib.h>
    1.33 +#endif
    1.34 +
    1.35 +#ifdef Z_SOLO
    1.36 +   typedef long ptrdiff_t;  /* guess -- will be caught if guess is wrong */
    1.37 +#endif
    1.38 +
    1.39 +#ifndef local
    1.40 +#  define local static
    1.41 +#endif
    1.42 +/* compile with -Dlocal if your debugger can't find static symbols */
    1.43 +
    1.44 +typedef unsigned char  uch;
    1.45 +typedef uch FAR uchf;
    1.46 +typedef unsigned short ush;
    1.47 +typedef ush FAR ushf;
    1.48 +typedef unsigned long  ulg;
    1.49 +
    1.50 +extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
    1.51 +/* (size given to avoid silly warnings with Visual C++) */
    1.52 +
    1.53 +#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
    1.54 +
    1.55 +#define ERR_RETURN(strm,err) \
    1.56 +  return (strm->msg = ERR_MSG(err), (err))
    1.57 +/* To be used only when the state is known to be valid */
    1.58 +
    1.59 +        /* common constants */
    1.60 +
    1.61 +#ifndef DEF_WBITS
    1.62 +#  define DEF_WBITS MAX_WBITS
    1.63 +#endif
    1.64 +/* default windowBits for decompression. MAX_WBITS is for compression only */
    1.65 +
    1.66 +#if MAX_MEM_LEVEL >= 8
    1.67 +#  define DEF_MEM_LEVEL 8
    1.68 +#else
    1.69 +#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
    1.70 +#endif
    1.71 +/* default memLevel */
    1.72 +
    1.73 +#define STORED_BLOCK 0
    1.74 +#define STATIC_TREES 1
    1.75 +#define DYN_TREES    2
    1.76 +/* The three kinds of block type */
    1.77 +
    1.78 +#define MIN_MATCH  3
    1.79 +#define MAX_MATCH  258
    1.80 +/* The minimum and maximum match lengths */
    1.81 +
    1.82 +#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
    1.83 +
    1.84 +        /* target dependencies */
    1.85 +
    1.86 +#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
    1.87 +#  define OS_CODE  0x00
    1.88 +#  ifndef Z_SOLO
    1.89 +#    if defined(__TURBOC__) || defined(__BORLANDC__)
    1.90 +#      if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
    1.91 +         /* Allow compilation with ANSI keywords only enabled */
    1.92 +         void _Cdecl farfree( void *block );
    1.93 +         void *_Cdecl farmalloc( unsigned long nbytes );
    1.94 +#      else
    1.95 +#        include <alloc.h>
    1.96 +#      endif
    1.97 +#    else /* MSC or DJGPP */
    1.98 +#      include <malloc.h>
    1.99 +#    endif
   1.100 +#  endif
   1.101 +#endif
   1.102 +
   1.103 +#ifdef AMIGA
   1.104 +#  define OS_CODE  0x01
   1.105 +#endif
   1.106 +
   1.107 +#if defined(VAXC) || defined(VMS)
   1.108 +#  define OS_CODE  0x02
   1.109 +#  define F_OPEN(name, mode) \
   1.110 +     fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
   1.111 +#endif
   1.112 +
   1.113 +#if defined(ATARI) || defined(atarist)
   1.114 +#  define OS_CODE  0x05
   1.115 +#endif
   1.116 +
   1.117 +#ifdef OS2
   1.118 +#  define OS_CODE  0x06
   1.119 +#  if defined(M_I86) && !defined(Z_SOLO)
   1.120 +#    include <malloc.h>
   1.121 +#  endif
   1.122 +#endif
   1.123 +
   1.124 +#if defined(MACOS) || defined(TARGET_OS_MAC)
   1.125 +#  define OS_CODE  0x07
   1.126 +#  ifndef Z_SOLO
   1.127 +#    if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
   1.128 +#      include <unix.h> /* for fdopen */
   1.129 +#    else
   1.130 +#      ifndef fdopen
   1.131 +#        define fdopen(fd,mode) NULL /* No fdopen() */
   1.132 +#      endif
   1.133 +#    endif
   1.134 +#  endif
   1.135 +#endif
   1.136 +
   1.137 +#ifdef TOPS20
   1.138 +#  define OS_CODE  0x0a
   1.139 +#endif
   1.140 +
   1.141 +#ifdef WIN32
   1.142 +#  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
   1.143 +#    define OS_CODE  0x0b
   1.144 +#  endif
   1.145 +#endif
   1.146 +
   1.147 +#ifdef __50SERIES /* Prime/PRIMOS */
   1.148 +#  define OS_CODE  0x0f
   1.149 +#endif
   1.150 +
   1.151 +#if defined(_BEOS_) || defined(RISCOS)
   1.152 +#  define fdopen(fd,mode) NULL /* No fdopen() */
   1.153 +#endif
   1.154 +
   1.155 +#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
   1.156 +#  if defined(_WIN32_WCE)
   1.157 +#    define fdopen(fd,mode) NULL /* No fdopen() */
   1.158 +#    ifndef _PTRDIFF_T_DEFINED
   1.159 +       typedef int ptrdiff_t;
   1.160 +#      define _PTRDIFF_T_DEFINED
   1.161 +#    endif
   1.162 +#  else
   1.163 +#    define fdopen(fd,type)  _fdopen(fd,type)
   1.164 +#  endif
   1.165 +#endif
   1.166 +
   1.167 +#if defined(__BORLANDC__) && !defined(MSDOS)
   1.168 +  #pragma warn -8004
   1.169 +  #pragma warn -8008
   1.170 +  #pragma warn -8066
   1.171 +#endif
   1.172 +
   1.173 +/* provide prototypes for these when building zlib without LFS */
   1.174 +#if !defined(_WIN32) && \
   1.175 +    (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
   1.176 +    ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
   1.177 +    ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
   1.178 +#endif
   1.179 +
   1.180 +        /* common defaults */
   1.181 +
   1.182 +#ifndef OS_CODE
   1.183 +#  define OS_CODE  0x03  /* assume Unix */
   1.184 +#endif
   1.185 +
   1.186 +#ifndef F_OPEN
   1.187 +#  define F_OPEN(name, mode) fopen((name), (mode))
   1.188 +#endif
   1.189 +
   1.190 +         /* functions */
   1.191 +
   1.192 +#if defined(pyr) || defined(Z_SOLO)
   1.193 +#  define NO_MEMCPY
   1.194 +#endif
   1.195 +#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
   1.196 + /* Use our own functions for small and medium model with MSC <= 5.0.
   1.197 +  * You may have to use the same strategy for Borland C (untested).
   1.198 +  * The __SC__ check is for Symantec.
   1.199 +  */
   1.200 +#  define NO_MEMCPY
   1.201 +#endif
   1.202 +#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
   1.203 +#  define HAVE_MEMCPY
   1.204 +#endif
   1.205 +#ifdef HAVE_MEMCPY
   1.206 +#  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
   1.207 +#    define zmemcpy _fmemcpy
   1.208 +#    define zmemcmp _fmemcmp
   1.209 +#    define zmemzero(dest, len) _fmemset(dest, 0, len)
   1.210 +#  else
   1.211 +#    define zmemcpy memcpy
   1.212 +#    define zmemcmp memcmp
   1.213 +#    define zmemzero(dest, len) memset(dest, 0, len)
   1.214 +#  endif
   1.215 +#else
   1.216 +   void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
   1.217 +   int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
   1.218 +   void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
   1.219 +#endif
   1.220 +
   1.221 +/* Ignore the Mozilla build env's DEBUG unless ZLIB_DEBUG is also set. */
   1.222 +#ifndef ZLIB_DEBUG
   1.223 +#undef DEBUG
   1.224 +#endif
   1.225 +
   1.226 +/* Diagnostic functions */
   1.227 +#ifdef DEBUG
   1.228 +#  include <stdio.h>
   1.229 +   extern int ZLIB_INTERNAL z_verbose;
   1.230 +   extern void ZLIB_INTERNAL z_error OF((char *m));
   1.231 +#  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
   1.232 +#  define Trace(x) {if (z_verbose>=0) fprintf x ;}
   1.233 +#  define Tracev(x) {if (z_verbose>0) fprintf x ;}
   1.234 +#  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
   1.235 +#  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
   1.236 +#  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
   1.237 +#else
   1.238 +#  define Assert(cond,msg)
   1.239 +#  define Trace(x)
   1.240 +#  define Tracev(x)
   1.241 +#  define Tracevv(x)
   1.242 +#  define Tracec(c,x)
   1.243 +#  define Tracecv(c,x)
   1.244 +#endif
   1.245 +
   1.246 +#ifndef Z_SOLO
   1.247 +   voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
   1.248 +                                    unsigned size));
   1.249 +   void ZLIB_INTERNAL zcfree  OF((voidpf opaque, voidpf ptr));
   1.250 +#endif
   1.251 +
   1.252 +#define ZALLOC(strm, items, size) \
   1.253 +           (*((strm)->zalloc))((strm)->opaque, (items), (size))
   1.254 +#define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
   1.255 +#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
   1.256 +
   1.257 +/* Reverse the bytes in a 32-bit value */
   1.258 +#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
   1.259 +                    (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
   1.260 +
   1.261 +#endif /* ZUTIL_H */

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