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6c0ebd5f | 1 | /* zutil.h -- internal interface and configuration of the compression library\r |
41b152c5 | 2 | \r |
3 | Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials are licensed and made available under\r | |
5 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
6 | The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
6c0ebd5f | 12 | * Copyright (C) 1995-2005 Jean-loup Gailly.\r |
13 | * For conditions of distribution and use, see copyright notice in zlib.h\r | |
14 | */\r | |
15 | \r | |
16 | /* WARNING: this file should *not* be used by applications. It is\r | |
17 | part of the implementation of the compression library and is\r | |
18 | subject to change. Applications should only use zlib.h.\r | |
19 | */\r | |
20 | \r | |
21 | /* @(#) $Id$ */\r | |
22 | \r | |
23 | #ifndef ZUTIL_H\r | |
24 | #define ZUTIL_H\r | |
25 | \r | |
26 | #define ZLIB_INTERNAL\r | |
27 | #include "zlib.h"\r | |
28 | \r | |
29 | #ifdef STDC\r | |
30 | # ifndef _WIN32_WCE\r | |
31 | # include <stddef.h>\r | |
32 | # endif\r | |
33 | # include <string.h>\r | |
34 | # include <stdlib.h>\r | |
35 | #endif\r | |
36 | #ifdef NO_ERRNO_H\r | |
37 | # ifdef _WIN32_WCE\r | |
38 | /* The Microsoft C Run-Time Library for Windows CE doesn't have\r | |
39 | * errno. We define it as a global variable to simplify porting.\r | |
40 | * Its value is always 0 and should not be used. We rename it to\r | |
41 | * avoid conflict with other libraries that use the same workaround.\r | |
42 | */\r | |
43 | # define errno z_errno\r | |
44 | # endif\r | |
45 | extern int errno;\r | |
46 | #else\r | |
47 | # ifndef _WIN32_WCE\r | |
48 | # include <errno.h>\r | |
49 | # endif\r | |
50 | #endif\r | |
51 | \r | |
52 | #ifndef local\r | |
53 | # define local static\r | |
54 | #endif\r | |
55 | /* compile with -Dlocal if your debugger can't find static symbols */\r | |
56 | \r | |
57 | typedef unsigned char uch;\r | |
58 | typedef uch FAR uchf;\r | |
59 | typedef unsigned short ush;\r | |
60 | typedef ush FAR ushf;\r | |
61 | typedef unsigned long ulg;\r | |
62 | \r | |
63 | extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */\r | |
64 | /* (size given to avoid silly warnings with Visual C++) */\r | |
65 | \r | |
66 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]\r | |
67 | \r | |
68 | #define ERR_RETURN(strm,err) \\r | |
69 | return (strm->msg = (char*)ERR_MSG(err), (err))\r | |
70 | /* To be used only when the state is known to be valid */\r | |
71 | \r | |
72 | /* common constants */\r | |
73 | \r | |
74 | #ifndef DEF_WBITS\r | |
75 | # define DEF_WBITS MAX_WBITS\r | |
76 | #endif\r | |
77 | /* default windowBits for decompression. MAX_WBITS is for compression only */\r | |
78 | \r | |
79 | #if MAX_MEM_LEVEL >= 8\r | |
80 | # define DEF_MEM_LEVEL 8\r | |
81 | #else\r | |
82 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL\r | |
83 | #endif\r | |
84 | /* default memLevel */\r | |
85 | \r | |
86 | #define STORED_BLOCK 0\r | |
87 | #define STATIC_TREES 1\r | |
88 | #define DYN_TREES 2\r | |
89 | /* The three kinds of block type */\r | |
90 | \r | |
91 | #define MIN_MATCH 3\r | |
92 | #define MAX_MATCH 258\r | |
93 | /* The minimum and maximum match lengths */\r | |
94 | \r | |
95 | #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */\r | |
96 | \r | |
97 | /* target dependencies */\r | |
98 | \r | |
99 | #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))\r | |
100 | # define OS_CODE 0x00\r | |
101 | # if defined(__TURBOC__) || defined(__BORLANDC__)\r | |
102 | # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))\r | |
103 | /* Allow compilation with ANSI keywords only enabled */\r | |
104 | void _Cdecl farfree( void *block );\r | |
105 | void *_Cdecl farmalloc( unsigned long nbytes );\r | |
106 | # else\r | |
107 | # include <alloc.h>\r | |
108 | # endif\r | |
109 | # else /* MSC or DJGPP */\r | |
110 | # include <malloc.h>\r | |
111 | # endif\r | |
112 | #endif\r | |
113 | \r | |
114 | #ifdef AMIGA\r | |
115 | # define OS_CODE 0x01\r | |
116 | #endif\r | |
117 | \r | |
118 | #if defined(VAXC) || defined(VMS)\r | |
119 | # define OS_CODE 0x02\r | |
120 | # define F_OPEN(name, mode) \\r | |
121 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")\r | |
122 | #endif\r | |
123 | \r | |
124 | #if defined(ATARI) || defined(atarist)\r | |
125 | # define OS_CODE 0x05\r | |
126 | #endif\r | |
127 | \r | |
128 | #ifdef OS2\r | |
129 | # define OS_CODE 0x06\r | |
130 | # ifdef M_I86\r | |
131 | #include <malloc.h>\r | |
132 | # endif\r | |
133 | #endif\r | |
134 | \r | |
135 | #if defined(MACOS) || defined(TARGET_OS_MAC)\r | |
136 | # define OS_CODE 0x07\r | |
137 | # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os\r | |
138 | # include <unix.h> /* for fdopen */\r | |
139 | # else\r | |
140 | # ifndef fdopen\r | |
141 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
142 | # endif\r | |
143 | # endif\r | |
144 | #endif\r | |
145 | \r | |
146 | #ifdef TOPS20\r | |
147 | # define OS_CODE 0x0a\r | |
148 | #endif\r | |
149 | \r | |
150 | #ifdef WIN32\r | |
151 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */\r | |
152 | # define OS_CODE 0x0b\r | |
153 | # endif\r | |
154 | #endif\r | |
155 | \r | |
156 | #ifdef __50SERIES /* Prime/PRIMOS */\r | |
157 | # define OS_CODE 0x0f\r | |
158 | #endif\r | |
159 | \r | |
160 | #if defined(_BEOS_) || defined(RISCOS)\r | |
161 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
162 | #endif\r | |
163 | \r | |
164 | #if (defined(_MSC_VER) && (_MSC_VER > 600))\r | |
165 | # if defined(_WIN32_WCE) || defined(_EFI_STDLIB)\r | |
166 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
167 | # ifndef _PTRDIFF_T_DEFINED\r | |
168 | typedef int ptrdiff_t;\r | |
169 | # define _PTRDIFF_T_DEFINED\r | |
170 | # endif\r | |
171 | # else\r | |
172 | # define fdopen(fd,type) _fdopen(fd,type)\r | |
173 | # endif\r | |
174 | #endif\r | |
175 | \r | |
176 | /* common defaults */\r | |
177 | \r | |
178 | #ifndef OS_CODE\r | |
179 | # define OS_CODE 0x03 /* assume Unix */\r | |
180 | #endif\r | |
181 | \r | |
182 | #ifndef F_OPEN\r | |
183 | # define F_OPEN(name, mode) fopen((name), (mode))\r | |
184 | #endif\r | |
185 | \r | |
186 | /* functions */\r | |
187 | \r | |
188 | #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)\r | |
189 | # ifndef HAVE_VSNPRINTF\r | |
190 | # define HAVE_VSNPRINTF\r | |
191 | # endif\r | |
192 | #endif\r | |
193 | #if defined(__CYGWIN__)\r | |
194 | # ifndef HAVE_VSNPRINTF\r | |
195 | # define HAVE_VSNPRINTF\r | |
196 | # endif\r | |
197 | #endif\r | |
198 | #ifndef HAVE_VSNPRINTF\r | |
199 | # ifdef MSDOS\r | |
200 | /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),\r | |
201 | but for now we just assume it doesn't. */\r | |
202 | # define NO_vsnprintf\r | |
203 | # endif\r | |
204 | # ifdef __TURBOC__\r | |
205 | # define NO_vsnprintf\r | |
206 | # endif\r | |
207 | # ifdef WIN32\r | |
208 | /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */\r | |
209 | # if !defined(vsnprintf) && !defined(NO_vsnprintf)\r | |
210 | # define vsnprintf _vsnprintf\r | |
211 | # endif\r | |
212 | # endif\r | |
213 | # ifdef __SASC\r | |
214 | # define NO_vsnprintf\r | |
215 | # endif\r | |
216 | #endif\r | |
217 | #ifdef VMS\r | |
218 | # define NO_vsnprintf\r | |
219 | #endif\r | |
220 | \r | |
221 | #if defined(pyr)\r | |
222 | # define NO_MEMCPY\r | |
223 | #endif\r | |
224 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)\r | |
225 | /* Use our own functions for small and medium model with MSC <= 5.0.\r | |
226 | * You may have to use the same strategy for Borland C (untested).\r | |
227 | * The __SC__ check is for Symantec.\r | |
228 | */\r | |
229 | # define NO_MEMCPY\r | |
230 | #endif\r | |
231 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)\r | |
232 | # define HAVE_MEMCPY\r | |
233 | #endif\r | |
234 | #ifdef HAVE_MEMCPY\r | |
235 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */\r | |
236 | # define zmemcpy _fmemcpy\r | |
237 | # define zmemcmp _fmemcmp\r | |
238 | # define zmemzero(dest, len) _fmemset(dest, 0, len)\r | |
239 | # else\r | |
240 | # define zmemcpy memcpy\r | |
241 | # define zmemcmp memcmp\r | |
242 | # define zmemzero(dest, len) memset(dest, 0, len)\r | |
243 | # endif\r | |
244 | #else\r | |
245 | extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));\r | |
246 | extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));\r | |
247 | extern void zmemzero OF((Bytef* dest, uInt len));\r | |
248 | #endif\r | |
249 | \r | |
250 | /* Diagnostic functions */\r | |
251 | #ifdef DEBUG\r | |
252 | # include <stdio.h>\r | |
253 | extern int z_verbose;\r | |
254 | extern void z_error OF((char *m));\r | |
255 | # define Assert(cond,msg) {if(!(cond)) z_error(msg);}\r | |
256 | # define Trace(x) {if (z_verbose>=0) fprintf x ;}\r | |
257 | # define Tracev(x) {if (z_verbose>0) fprintf x ;}\r | |
258 | # define Tracevv(x) {if (z_verbose>1) fprintf x ;}\r | |
259 | # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}\r | |
260 | # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}\r | |
261 | #else\r | |
262 | # define Assert(cond,msg)\r | |
263 | # define Trace(x)\r | |
264 | # define Tracev(x)\r | |
265 | # define Tracevv(x)\r | |
266 | # define Tracec(c,x)\r | |
267 | # define Tracecv(c,x)\r | |
268 | #endif\r | |
269 | \r | |
270 | \r | |
271 | voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));\r | |
272 | void zcfree OF((voidpf opaque, voidpf ptr));\r | |
273 | \r | |
274 | #define ZALLOC(strm, items, size) \\r | |
275 | (*((strm)->zalloc))((strm)->opaque, (items), (size))\r | |
276 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))\r | |
277 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}\r | |
278 | \r | |
279 | #endif /* ZUTIL_H */\r |