dbf-halloween2015

annotate libs/zlib/zutil.h @ 3:c37fe5d8a4ed

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windows port
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 01 Nov 2015 06:04:28 +0200
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nuclear@1 1 /* zutil.h -- internal interface and configuration of the compression library
nuclear@1 2 * Copyright (C) 1995-2005 Jean-loup Gailly.
nuclear@1 3 * For conditions of distribution and use, see copyright notice in zlib.h
nuclear@1 4 */
nuclear@1 5
nuclear@1 6 /* WARNING: this file should *not* be used by applications. It is
nuclear@1 7 part of the implementation of the compression library and is
nuclear@1 8 subject to change. Applications should only use zlib.h.
nuclear@1 9 */
nuclear@1 10
nuclear@1 11 /* @(#) $Id$ */
nuclear@1 12
nuclear@1 13 #ifndef ZUTIL_H
nuclear@1 14 #define ZUTIL_H
nuclear@1 15
nuclear@1 16 #define ZLIB_INTERNAL
nuclear@1 17 #include "zlib.h"
nuclear@1 18
nuclear@1 19 #ifdef STDC
nuclear@1 20 # ifndef _WIN32_WCE
nuclear@1 21 # include <stddef.h>
nuclear@1 22 # endif
nuclear@1 23 # include <string.h>
nuclear@1 24 # include <stdlib.h>
nuclear@1 25 #endif
nuclear@1 26 #ifdef NO_ERRNO_H
nuclear@1 27 # ifdef _WIN32_WCE
nuclear@1 28 /* The Microsoft C Run-Time Library for Windows CE doesn't have
nuclear@1 29 * errno. We define it as a global variable to simplify porting.
nuclear@1 30 * Its value is always 0 and should not be used. We rename it to
nuclear@1 31 * avoid conflict with other libraries that use the same workaround.
nuclear@1 32 */
nuclear@1 33 # define errno z_errno
nuclear@1 34 # endif
nuclear@1 35 extern int errno;
nuclear@1 36 #else
nuclear@1 37 # ifndef _WIN32_WCE
nuclear@1 38 # include <errno.h>
nuclear@1 39 # endif
nuclear@1 40 #endif
nuclear@1 41
nuclear@1 42 #ifndef local
nuclear@1 43 # define local static
nuclear@1 44 #endif
nuclear@1 45 /* compile with -Dlocal if your debugger can't find static symbols */
nuclear@1 46
nuclear@1 47 typedef unsigned char uch;
nuclear@1 48 typedef uch FAR uchf;
nuclear@1 49 typedef unsigned short ush;
nuclear@1 50 typedef ush FAR ushf;
nuclear@1 51 typedef unsigned long ulg;
nuclear@1 52
nuclear@1 53 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
nuclear@1 54 /* (size given to avoid silly warnings with Visual C++) */
nuclear@1 55
nuclear@1 56 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
nuclear@1 57
nuclear@1 58 #define ERR_RETURN(strm,err) \
nuclear@1 59 return (strm->msg = (char*)ERR_MSG(err), (err))
nuclear@1 60 /* To be used only when the state is known to be valid */
nuclear@1 61
nuclear@1 62 /* common constants */
nuclear@1 63
nuclear@1 64 #ifndef DEF_WBITS
nuclear@1 65 # define DEF_WBITS MAX_WBITS
nuclear@1 66 #endif
nuclear@1 67 /* default windowBits for decompression. MAX_WBITS is for compression only */
nuclear@1 68
nuclear@1 69 #if MAX_MEM_LEVEL >= 8
nuclear@1 70 # define DEF_MEM_LEVEL 8
nuclear@1 71 #else
nuclear@1 72 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
nuclear@1 73 #endif
nuclear@1 74 /* default memLevel */
nuclear@1 75
nuclear@1 76 #define STORED_BLOCK 0
nuclear@1 77 #define STATIC_TREES 1
nuclear@1 78 #define DYN_TREES 2
nuclear@1 79 /* The three kinds of block type */
nuclear@1 80
nuclear@1 81 #define MIN_MATCH 3
nuclear@1 82 #define MAX_MATCH 258
nuclear@1 83 /* The minimum and maximum match lengths */
nuclear@1 84
nuclear@1 85 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
nuclear@1 86
nuclear@1 87 /* target dependencies */
nuclear@1 88
nuclear@1 89 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
nuclear@1 90 # define OS_CODE 0x00
nuclear@1 91 # if defined(__TURBOC__) || defined(__BORLANDC__)
nuclear@1 92 # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
nuclear@1 93 /* Allow compilation with ANSI keywords only enabled */
nuclear@1 94 void _Cdecl farfree( void *block );
nuclear@1 95 void *_Cdecl farmalloc( unsigned long nbytes );
nuclear@1 96 # else
nuclear@1 97 # include <alloc.h>
nuclear@1 98 # endif
nuclear@1 99 # else /* MSC or DJGPP */
nuclear@1 100 # include <malloc.h>
nuclear@1 101 # endif
nuclear@1 102 #endif
nuclear@1 103
nuclear@1 104 #ifdef AMIGA
nuclear@1 105 # define OS_CODE 0x01
nuclear@1 106 #endif
nuclear@1 107
nuclear@1 108 #if defined(VAXC) || defined(VMS)
nuclear@1 109 # define OS_CODE 0x02
nuclear@1 110 # define F_OPEN(name, mode) \
nuclear@1 111 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
nuclear@1 112 #endif
nuclear@1 113
nuclear@1 114 #if defined(ATARI) || defined(atarist)
nuclear@1 115 # define OS_CODE 0x05
nuclear@1 116 #endif
nuclear@1 117
nuclear@1 118 #ifdef OS2
nuclear@1 119 # define OS_CODE 0x06
nuclear@1 120 # ifdef M_I86
nuclear@1 121 #include <malloc.h>
nuclear@1 122 # endif
nuclear@1 123 #endif
nuclear@1 124
nuclear@1 125 #if defined(MACOS) || defined(TARGET_OS_MAC)
nuclear@1 126 # define OS_CODE 0x07
nuclear@1 127 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
nuclear@1 128 # include <unix.h> /* for fdopen */
nuclear@1 129 # else
nuclear@1 130 # ifndef fdopen
nuclear@1 131 # define fdopen(fd,mode) NULL /* No fdopen() */
nuclear@1 132 # endif
nuclear@1 133 # endif
nuclear@1 134 #endif
nuclear@1 135
nuclear@1 136 #ifdef TOPS20
nuclear@1 137 # define OS_CODE 0x0a
nuclear@1 138 #endif
nuclear@1 139
nuclear@1 140 #ifdef WIN32
nuclear@1 141 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
nuclear@1 142 # define OS_CODE 0x0b
nuclear@1 143 # endif
nuclear@1 144 #endif
nuclear@1 145
nuclear@1 146 #ifdef __50SERIES /* Prime/PRIMOS */
nuclear@1 147 # define OS_CODE 0x0f
nuclear@1 148 #endif
nuclear@1 149
nuclear@1 150 #if defined(_BEOS_) || defined(RISCOS)
nuclear@1 151 # define fdopen(fd,mode) NULL /* No fdopen() */
nuclear@1 152 #endif
nuclear@1 153
nuclear@1 154 #if (defined(_MSC_VER) && (_MSC_VER > 600))
nuclear@1 155 # if defined(_WIN32_WCE)
nuclear@1 156 # define fdopen(fd,mode) NULL /* No fdopen() */
nuclear@1 157 # ifndef _PTRDIFF_T_DEFINED
nuclear@1 158 typedef int ptrdiff_t;
nuclear@1 159 # define _PTRDIFF_T_DEFINED
nuclear@1 160 # endif
nuclear@1 161 # else
nuclear@1 162 # define fdopen(fd,type) _fdopen(fd,type)
nuclear@1 163 # endif
nuclear@1 164 #endif
nuclear@1 165
nuclear@1 166 /* common defaults */
nuclear@1 167
nuclear@1 168 #ifndef OS_CODE
nuclear@1 169 # define OS_CODE 0x03 /* assume Unix */
nuclear@1 170 #endif
nuclear@1 171
nuclear@1 172 #ifndef F_OPEN
nuclear@1 173 # define F_OPEN(name, mode) fopen((name), (mode))
nuclear@1 174 #endif
nuclear@1 175
nuclear@1 176 /* functions */
nuclear@1 177
nuclear@1 178 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
nuclear@1 179 # ifndef HAVE_VSNPRINTF
nuclear@1 180 # define HAVE_VSNPRINTF
nuclear@1 181 # endif
nuclear@1 182 #endif
nuclear@1 183 #if defined(__CYGWIN__)
nuclear@1 184 # ifndef HAVE_VSNPRINTF
nuclear@1 185 # define HAVE_VSNPRINTF
nuclear@1 186 # endif
nuclear@1 187 #endif
nuclear@1 188 #ifndef HAVE_VSNPRINTF
nuclear@1 189 # ifdef MSDOS
nuclear@1 190 /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
nuclear@1 191 but for now we just assume it doesn't. */
nuclear@1 192 # define NO_vsnprintf
nuclear@1 193 # endif
nuclear@1 194 # ifdef __TURBOC__
nuclear@1 195 # define NO_vsnprintf
nuclear@1 196 # endif
nuclear@1 197 # ifdef WIN32
nuclear@1 198 /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
nuclear@1 199 # if !defined(vsnprintf) && !defined(NO_vsnprintf)
nuclear@1 200 # define vsnprintf _vsnprintf
nuclear@1 201 # endif
nuclear@1 202 # endif
nuclear@1 203 # ifdef __SASC
nuclear@1 204 # define NO_vsnprintf
nuclear@1 205 # endif
nuclear@1 206 #endif
nuclear@1 207 #ifdef VMS
nuclear@1 208 # define NO_vsnprintf
nuclear@1 209 #endif
nuclear@1 210
nuclear@1 211 #if defined(pyr)
nuclear@1 212 # define NO_MEMCPY
nuclear@1 213 #endif
nuclear@1 214 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
nuclear@1 215 /* Use our own functions for small and medium model with MSC <= 5.0.
nuclear@1 216 * You may have to use the same strategy for Borland C (untested).
nuclear@1 217 * The __SC__ check is for Symantec.
nuclear@1 218 */
nuclear@1 219 # define NO_MEMCPY
nuclear@1 220 #endif
nuclear@1 221 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
nuclear@1 222 # define HAVE_MEMCPY
nuclear@1 223 #endif
nuclear@1 224 #ifdef HAVE_MEMCPY
nuclear@1 225 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
nuclear@1 226 # define zmemcpy _fmemcpy
nuclear@1 227 # define zmemcmp _fmemcmp
nuclear@1 228 # define zmemzero(dest, len) _fmemset(dest, 0, len)
nuclear@1 229 # else
nuclear@1 230 # define zmemcpy memcpy
nuclear@1 231 # define zmemcmp memcmp
nuclear@1 232 # define zmemzero(dest, len) memset(dest, 0, len)
nuclear@1 233 # endif
nuclear@1 234 #else
nuclear@1 235 extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
nuclear@1 236 extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
nuclear@1 237 extern void zmemzero OF((Bytef* dest, uInt len));
nuclear@1 238 #endif
nuclear@1 239
nuclear@1 240 /* Diagnostic functions */
nuclear@1 241 #ifdef DEBUG
nuclear@1 242 # include <stdio.h>
nuclear@1 243 extern int z_verbose;
nuclear@1 244 extern void z_error OF((char *m));
nuclear@1 245 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
nuclear@1 246 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
nuclear@1 247 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
nuclear@1 248 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
nuclear@1 249 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
nuclear@1 250 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
nuclear@1 251 #else
nuclear@1 252 # define Assert(cond,msg)
nuclear@1 253 # define Trace(x)
nuclear@1 254 # define Tracev(x)
nuclear@1 255 # define Tracevv(x)
nuclear@1 256 # define Tracec(c,x)
nuclear@1 257 # define Tracecv(c,x)
nuclear@1 258 #endif
nuclear@1 259
nuclear@1 260
nuclear@1 261 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
nuclear@1 262 void zcfree OF((voidpf opaque, voidpf ptr));
nuclear@1 263
nuclear@1 264 #define ZALLOC(strm, items, size) \
nuclear@1 265 (*((strm)->zalloc))((strm)->opaque, (items), (size))
nuclear@1 266 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
nuclear@1 267 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
nuclear@1 268
nuclear@1 269 #endif /* ZUTIL_H */