Commit | Line | Data |
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d4286ec4 | 1 | /* zutil.h -- internal interface and configuration of the compression library |
cd426074 | 2 | * Copyright (C) 1995-2005 Jean-loup Gailly. |
d4286ec4 PM |
3 | * For conditions of distribution and use, see copyright notice in zlib.h |
4 | */ | |
5 | ||
6 | /* WARNING: this file should *not* be used by applications. It is | |
7 | part of the implementation of the compression library and is | |
8 | subject to change. Applications should only use zlib.h. | |
9 | */ | |
10 | ||
11 | /* @(#) $Id$ */ | |
12 | ||
1e1cf689 WD |
13 | #ifndef ZUTIL_H |
14 | #define ZUTIL_H | |
d4286ec4 | 15 | |
1e1cf689 | 16 | #define ZLIB_INTERNAL |
5914bf15 | 17 | #include "../rsync.h" |
d4286ec4 PM |
18 | #include "zlib.h" |
19 | ||
5914bf15 | 20 | #if 0 |
d4286ec4 | 21 | #ifdef STDC |
cd426074 WD |
22 | # ifndef _WIN32_WCE |
23 | # include <stddef.h> | |
24 | # endif | |
d4286ec4 PM |
25 | # include <string.h> |
26 | # include <stdlib.h> | |
27 | #endif | |
28 | #ifdef NO_ERRNO_H | |
cd426074 WD |
29 | # ifdef _WIN32_WCE |
30 | /* The Microsoft C Run-Time Library for Windows CE doesn't have | |
31 | * errno. We define it as a global variable to simplify porting. | |
32 | * Its value is always 0 and should not be used. We rename it to | |
33 | * avoid conflict with other libraries that use the same workaround. | |
34 | */ | |
35 | # define errno z_errno | |
36 | # endif | |
d4286ec4 PM |
37 | extern int errno; |
38 | #else | |
cd426074 WD |
39 | # ifndef _WIN32_WCE |
40 | # include <errno.h> | |
41 | # endif | |
d4286ec4 | 42 | #endif |
5914bf15 | 43 | #endif |
d4286ec4 PM |
44 | |
45 | #ifndef local | |
46 | # define local static | |
47 | #endif | |
48 | /* compile with -Dlocal if your debugger can't find static symbols */ | |
49 | ||
50 | typedef unsigned char uch; | |
51 | typedef uch FAR uchf; | |
52 | typedef unsigned short ush; | |
53 | typedef ush FAR ushf; | |
54 | typedef unsigned long ulg; | |
55 | ||
1e1cf689 | 56 | extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ |
d4286ec4 PM |
57 | /* (size given to avoid silly warnings with Visual C++) */ |
58 | ||
59 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] | |
60 | ||
61 | #define ERR_RETURN(strm,err) \ | |
62 | return (strm->msg = (char*)ERR_MSG(err), (err)) | |
63 | /* To be used only when the state is known to be valid */ | |
64 | ||
65 | /* common constants */ | |
66 | ||
67 | #ifndef DEF_WBITS | |
68 | # define DEF_WBITS MAX_WBITS | |
69 | #endif | |
70 | /* default windowBits for decompression. MAX_WBITS is for compression only */ | |
71 | ||
72 | #if MAX_MEM_LEVEL >= 8 | |
73 | # define DEF_MEM_LEVEL 8 | |
74 | #else | |
75 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL | |
76 | #endif | |
77 | /* default memLevel */ | |
78 | ||
79 | #define STORED_BLOCK 0 | |
80 | #define STATIC_TREES 1 | |
81 | #define DYN_TREES 2 | |
82 | /* The three kinds of block type */ | |
83 | ||
84 | #define MIN_MATCH 3 | |
85 | #define MAX_MATCH 258 | |
86 | /* The minimum and maximum match lengths */ | |
87 | ||
88 | #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ | |
89 | ||
90 | /* target dependencies */ | |
91 | ||
1e1cf689 | 92 | #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) |
d4286ec4 | 93 | # define OS_CODE 0x00 |
06b91d8e | 94 | # if defined(__TURBOC__) || defined(__BORLANDC__) |
d4286ec4 PM |
95 | # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) |
96 | /* Allow compilation with ANSI keywords only enabled */ | |
97 | void _Cdecl farfree( void *block ); | |
98 | void *_Cdecl farmalloc( unsigned long nbytes ); | |
99 | # else | |
1e1cf689 | 100 | # include <alloc.h> |
d4286ec4 PM |
101 | # endif |
102 | # else /* MSC or DJGPP */ | |
103 | # include <malloc.h> | |
104 | # endif | |
105 | #endif | |
106 | ||
1e1cf689 WD |
107 | #ifdef AMIGA |
108 | # define OS_CODE 0x01 | |
d4286ec4 PM |
109 | #endif |
110 | ||
111 | #if defined(VAXC) || defined(VMS) | |
112 | # define OS_CODE 0x02 | |
113 | # define F_OPEN(name, mode) \ | |
114 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") | |
115 | #endif | |
116 | ||
d4286ec4 PM |
117 | #if defined(ATARI) || defined(atarist) |
118 | # define OS_CODE 0x05 | |
119 | #endif | |
120 | ||
1e1cf689 WD |
121 | #ifdef OS2 |
122 | # define OS_CODE 0x06 | |
cd426074 WD |
123 | # ifdef M_I86 |
124 | #include <malloc.h> | |
125 | # endif | |
1e1cf689 WD |
126 | #endif |
127 | ||
d4286ec4 PM |
128 | #if defined(MACOS) || defined(TARGET_OS_MAC) |
129 | # define OS_CODE 0x07 | |
06b91d8e MP |
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 | |
d4286ec4 PM |
136 | # endif |
137 | #endif | |
138 | ||
d4286ec4 PM |
139 | #ifdef TOPS20 |
140 | # define OS_CODE 0x0a | |
141 | #endif | |
142 | ||
1e1cf689 WD |
143 | #ifdef WIN32 |
144 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ | |
145 | # define OS_CODE 0x0b | |
146 | # endif | |
147 | #endif | |
148 | ||
149 | #ifdef __50SERIES /* Prime/PRIMOS */ | |
150 | # define OS_CODE 0x0f | |
151 | #endif | |
152 | ||
d4286ec4 PM |
153 | #if defined(_BEOS_) || defined(RISCOS) |
154 | # define fdopen(fd,mode) NULL /* No fdopen() */ | |
155 | #endif | |
156 | ||
06b91d8e | 157 | #if (defined(_MSC_VER) && (_MSC_VER > 600)) |
1e1cf689 WD |
158 | # if defined(_WIN32_WCE) |
159 | # define fdopen(fd,mode) NULL /* No fdopen() */ | |
160 | # ifndef _PTRDIFF_T_DEFINED | |
161 | typedef int ptrdiff_t; | |
162 | # define _PTRDIFF_T_DEFINED | |
163 | # endif | |
164 | # else | |
165 | # define fdopen(fd,type) _fdopen(fd,type) | |
166 | # endif | |
d4286ec4 PM |
167 | #endif |
168 | ||
1e1cf689 | 169 | /* common defaults */ |
d4286ec4 PM |
170 | |
171 | #ifndef OS_CODE | |
172 | # define OS_CODE 0x03 /* assume Unix */ | |
173 | #endif | |
174 | ||
175 | #ifndef F_OPEN | |
176 | # define F_OPEN(name, mode) fopen((name), (mode)) | |
177 | #endif | |
178 | ||
179 | /* functions */ | |
180 | ||
1e1cf689 WD |
181 | #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) |
182 | # ifndef HAVE_VSNPRINTF | |
183 | # define HAVE_VSNPRINTF | |
184 | # endif | |
185 | #endif | |
186 | #if defined(__CYGWIN__) | |
187 | # ifndef HAVE_VSNPRINTF | |
188 | # define HAVE_VSNPRINTF | |
189 | # endif | |
190 | #endif | |
191 | #ifndef HAVE_VSNPRINTF | |
192 | # ifdef MSDOS | |
193 | /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), | |
194 | but for now we just assume it doesn't. */ | |
195 | # define NO_vsnprintf | |
196 | # endif | |
197 | # ifdef __TURBOC__ | |
198 | # define NO_vsnprintf | |
199 | # endif | |
200 | # ifdef WIN32 | |
201 | /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ | |
202 | # if !defined(vsnprintf) && !defined(NO_vsnprintf) | |
203 | # define vsnprintf _vsnprintf | |
204 | # endif | |
205 | # endif | |
206 | # ifdef __SASC | |
207 | # define NO_vsnprintf | |
208 | # endif | |
209 | #endif | |
210 | #ifdef VMS | |
211 | # define NO_vsnprintf | |
212 | #endif | |
213 | ||
d4286ec4 PM |
214 | #if defined(pyr) |
215 | # define NO_MEMCPY | |
216 | #endif | |
217 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) | |
218 | /* Use our own functions for small and medium model with MSC <= 5.0. | |
219 | * You may have to use the same strategy for Borland C (untested). | |
220 | * The __SC__ check is for Symantec. | |
221 | */ | |
222 | # define NO_MEMCPY | |
223 | #endif | |
224 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) | |
225 | # define HAVE_MEMCPY | |
226 | #endif | |
227 | #ifdef HAVE_MEMCPY | |
228 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */ | |
229 | # define zmemcpy _fmemcpy | |
230 | # define zmemcmp _fmemcmp | |
231 | # define zmemzero(dest, len) _fmemset(dest, 0, len) | |
232 | # else | |
233 | # define zmemcpy memcpy | |
234 | # define zmemcmp memcmp | |
235 | # define zmemzero(dest, len) memset(dest, 0, len) | |
236 | # endif | |
237 | #else | |
06b91d8e MP |
238 | extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); |
239 | extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); | |
d4286ec4 PM |
240 | extern void zmemzero OF((Bytef* dest, uInt len)); |
241 | #endif | |
242 | ||
243 | /* Diagnostic functions */ | |
244 | #ifdef DEBUG | |
245 | # include <stdio.h> | |
246 | extern int z_verbose; | |
247 | extern void z_error OF((char *m)); | |
248 | # define Assert(cond,msg) {if(!(cond)) z_error(msg);} | |
249 | # define Trace(x) {if (z_verbose>=0) fprintf x ;} | |
250 | # define Tracev(x) {if (z_verbose>0) fprintf x ;} | |
251 | # define Tracevv(x) {if (z_verbose>1) fprintf x ;} | |
252 | # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} | |
253 | # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} | |
254 | #else | |
255 | # define Assert(cond,msg) | |
256 | # define Trace(x) | |
257 | # define Tracev(x) | |
258 | # define Tracevv(x) | |
259 | # define Tracec(c,x) | |
260 | # define Tracecv(c,x) | |
261 | #endif | |
262 | ||
263 | ||
d4286ec4 PM |
264 | voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); |
265 | void zcfree OF((voidpf opaque, voidpf ptr)); | |
266 | ||
267 | #define ZALLOC(strm, items, size) \ | |
268 | (*((strm)->zalloc))((strm)->opaque, (items), (size)) | |
0bc46751 | 269 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) |
d4286ec4 PM |
270 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} |
271 | ||
1e1cf689 | 272 | #endif /* ZUTIL_H */ |