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3719602c PC |
1 | #ifndef _COMPAT_ZUTIL_H |
2 | #define _COMPAT_ZUTIL_H | |
3 | ||
4 | #ifdef WANT_ZLIB | |
5 | ||
6 | /* zutil.h -- internal interface and configuration of the compression library | |
7 | * Copyright (C) 1995-2013 Jean-loup Gailly. | |
8 | * For conditions of distribution and use, see copyright notice in zlib.h | |
9 | */ | |
10 | ||
11 | /* WARNING: this file should *not* be used by applications. It is | |
12 | part of the implementation of the compression library and is | |
13 | subject to change. Applications should only use zlib.h. | |
14 | */ | |
15 | ||
16 | /* @(#) $Id$ */ | |
17 | ||
18 | #ifndef ZUTIL_H | |
19 | #define ZUTIL_H | |
20 | ||
21 | #ifdef HAVE_HIDDEN | |
22 | # define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) | |
23 | #else | |
24 | # define ZLIB_INTERNAL | |
25 | #endif | |
26 | ||
27 | #include <compat/zlib.h> | |
28 | ||
29 | #if defined(STDC) && !defined(Z_SOLO) | |
30 | # if !(defined(_WIN32_WCE) && defined(_MSC_VER)) | |
31 | # include <stddef.h> | |
32 | # endif | |
33 | # include <string.h> | |
34 | # include <stdlib.h> | |
35 | #endif | |
36 | ||
37 | #ifdef Z_SOLO | |
38 | typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */ | |
39 | #endif | |
40 | ||
41 | #ifndef local | |
42 | # define local static | |
43 | #endif | |
44 | /* compile with -Dlocal if your debugger can't find static symbols */ | |
45 | ||
46 | typedef unsigned char uch; | |
47 | typedef uch FAR uchf; | |
48 | typedef unsigned short ush; | |
49 | typedef ush FAR ushf; | |
50 | typedef unsigned long ulg; | |
51 | ||
52 | extern char z_errmsg[10][21]; /* indexed by 2-zlib_error */ | |
53 | /* (array size given to avoid silly warnings with Visual C++) */ | |
54 | /* (array entry size given to avoid silly string cast warnings) */ | |
55 | ||
56 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] | |
57 | ||
58 | #define ERR_RETURN(strm,err) \ | |
59 | return (strm->msg = ERR_MSG(err), (err)) | |
60 | /* To be used only when the state is known to be valid */ | |
61 | ||
62 | /* common constants */ | |
63 | ||
64 | #ifndef DEF_WBITS | |
65 | # define DEF_WBITS MAX_WBITS | |
66 | #endif | |
67 | /* default windowBits for decompression. MAX_WBITS is for compression only */ | |
68 | ||
69 | #if MAX_MEM_LEVEL >= 8 | |
70 | # define DEF_MEM_LEVEL 8 | |
71 | #else | |
72 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL | |
73 | #endif | |
74 | /* default memLevel */ | |
75 | ||
76 | #define STORED_BLOCK 0 | |
77 | #define STATIC_TREES 1 | |
78 | #define DYN_TREES 2 | |
79 | /* The three kinds of block type */ | |
80 | ||
81 | #define MIN_MATCH 3 | |
82 | #define MAX_MATCH 258 | |
83 | /* The minimum and maximum match lengths */ | |
84 | ||
85 | #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ | |
86 | ||
87 | /* target dependencies */ | |
88 | ||
89 | #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) | |
90 | # define OS_CODE 0x00 | |
91 | # ifndef Z_SOLO | |
92 | # if defined(__TURBOC__) || defined(__BORLANDC__) | |
93 | # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) | |
94 | /* Allow compilation with ANSI keywords only enabled */ | |
95 | void _Cdecl farfree( void *block ); | |
96 | void *_Cdecl farmalloc( unsigned long nbytes ); | |
97 | # else | |
98 | # include <alloc.h> | |
99 | # endif | |
100 | # else /* MSC or DJGPP */ | |
101 | # include <malloc.h> | |
102 | # endif | |
103 | # endif | |
104 | #endif | |
105 | ||
106 | #ifdef AMIGA | |
107 | # define OS_CODE 0x01 | |
108 | #endif | |
109 | ||
110 | #if defined(VAXC) || defined(VMS) | |
111 | # define OS_CODE 0x02 | |
112 | # define F_OPEN(name, mode) \ | |
113 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") | |
114 | #endif | |
115 | ||
116 | #if defined(ATARI) || defined(atarist) | |
117 | # define OS_CODE 0x05 | |
118 | #endif | |
119 | ||
120 | #ifdef OS2 | |
121 | # define OS_CODE 0x06 | |
122 | # if defined(M_I86) && !defined(Z_SOLO) | |
123 | # include <malloc.h> | |
124 | # endif | |
125 | #endif | |
126 | ||
127 | #if defined(MACOS) || defined(TARGET_OS_MAC) | |
128 | # define OS_CODE 0x07 | |
129 | # ifndef Z_SOLO | |
130 | # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os | |
131 | # include <unix.h> /* for fdopen */ | |
132 | # else | |
133 | # ifndef fdopen | |
134 | # define fdopen(fd,mode) NULL /* No fdopen() */ | |
135 | # endif | |
136 | # endif | |
137 | # endif | |
138 | #endif | |
139 | ||
140 | #ifdef TOPS20 | |
141 | # define OS_CODE 0x0a | |
142 | #endif | |
143 | ||
144 | #ifdef WIN32 | |
145 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ | |
146 | # define OS_CODE 0x0b | |
147 | # endif | |
148 | #endif | |
149 | ||
150 | #ifdef __50SERIES /* Prime/PRIMOS */ | |
151 | # define OS_CODE 0x0f | |
152 | #endif | |
153 | ||
154 | #if defined(_BEOS_) || defined(RISCOS) | |
155 | # define fdopen(fd,mode) NULL /* No fdopen() */ | |
156 | #endif | |
157 | ||
158 | #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX | |
159 | # if defined(_WIN32_WCE) | |
160 | # define fdopen(fd,mode) NULL /* No fdopen() */ | |
161 | # ifndef _PTRDIFF_T_DEFINED | |
162 | typedef int ptrdiff_t; | |
163 | # define _PTRDIFF_T_DEFINED | |
164 | # endif | |
165 | # else | |
166 | # define fdopen(fd,type) _fdopen(fd,type) | |
167 | # endif | |
168 | #endif | |
169 | ||
170 | #if defined(__BORLANDC__) && !defined(MSDOS) | |
171 | #pragma warn -8004 | |
172 | #pragma warn -8008 | |
173 | #pragma warn -8066 | |
174 | #endif | |
175 | ||
176 | /* provide prototypes for these when building zlib without LFS */ | |
177 | #if !defined(_WIN32) && \ | |
178 | (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) | |
179 | uLong adler32_combine64 (uLong, uLong, z_off_t); | |
180 | uLong crc32_combine64 (uLong, uLong, z_off_t); | |
181 | #endif | |
182 | ||
183 | /* common defaults */ | |
184 | ||
185 | #ifndef OS_CODE | |
186 | # define OS_CODE 0x03 /* assume Unix */ | |
187 | #endif | |
188 | ||
189 | #ifndef F_OPEN | |
190 | # define F_OPEN(name, mode) fopen((name), (mode)) | |
191 | #endif | |
192 | ||
193 | /* functions */ | |
194 | ||
195 | #if defined(pyr) || defined(Z_SOLO) | |
196 | # define NO_MEMCPY | |
197 | #endif | |
198 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) | |
199 | /* Use our own functions for small and medium model with MSC <= 5.0. | |
200 | * You may have to use the same strategy for Borland C (untested). | |
201 | * The __SC__ check is for Symantec. | |
202 | */ | |
203 | # define NO_MEMCPY | |
204 | #endif | |
205 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) | |
206 | # define HAVE_MEMCPY | |
207 | #endif | |
208 | #ifdef HAVE_MEMCPY | |
209 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */ | |
210 | # define zmemcpy _fmemcpy | |
211 | # define zmemcmp _fmemcmp | |
212 | # define zmemzero(dest, len) _fmemset(dest, 0, len) | |
213 | # else | |
214 | # define zmemcpy memcpy | |
215 | # define zmemcmp memcmp | |
216 | # define zmemzero(dest, len) memset(dest, 0, len) | |
217 | # endif | |
218 | #else | |
219 | void ZLIB_INTERNAL zmemcpy (Bytef* dest, const Bytef* source, uInt len); | |
220 | int ZLIB_INTERNAL zmemcmp (const Bytef* s1, const Bytef* s2, uInt len); | |
221 | void ZLIB_INTERNAL zmemzero (Bytef* dest, uInt len); | |
222 | #endif | |
223 | ||
224 | /* Diagnostic functions */ | |
225 | # define Assert(cond,msg) | |
226 | # define Trace(x) | |
227 | # define Tracev(x) | |
228 | # define Tracevv(x) | |
229 | # define Tracec(c,x) | |
230 | # define Tracecv(c,x) | |
231 | ||
232 | #ifndef Z_SOLO | |
233 | voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, | |
234 | unsigned size); | |
235 | void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr); | |
236 | #endif | |
237 | ||
238 | #define ZALLOC(strm, items, size) \ | |
239 | (*((strm)->zalloc))((strm)->opaque, (items), (size)) | |
240 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) | |
241 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} | |
242 | ||
243 | /* Reverse the bytes in a 32-bit value */ | |
244 | #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ | |
245 | (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) | |
246 | ||
247 | #endif /* ZUTIL_H */ | |
248 | ||
249 | #else | |
250 | #include <zutil.h> | |
251 | #endif | |
252 | ||
253 | #endif |