/[pcsx2_0.9.7]/trunk/3rdparty/zlib/zutil.h
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Contents of /trunk/3rdparty/zlib/zutil.h

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (10 years, 1 month ago) by william
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File size: 7196 byte(s)
committing r3113 initial commit again...
1 /* zutil.h -- internal interface and configuration of the compression library
2 * Copyright (C) 1995-2010 Jean-loup Gailly.
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
13 #ifndef ZUTIL_H
14 #define ZUTIL_H
15
16 #define ZLIB_INTERNAL
17 #include "zlib.h"
18
19 #ifdef STDC
20 # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
21 # include <stddef.h>
22 # endif
23 # include <string.h>
24 # include <stdlib.h>
25 #endif
26
27 #if defined(UNDER_CE) && defined(NO_ERRNO_H)
28 # define zseterrno(ERR) SetLastError((DWORD)(ERR))
29 # define zerrno() ((int)GetLastError())
30 #else
31 # ifdef NO_ERRNO_H
32 extern int errno;
33 # else
34 # include <errno.h>
35 # endif
36 # define zseterrno(ERR) do { errno = (ERR); } while (0)
37 # define zerrno() errno
38 #endif
39
40 #ifndef local
41 # define local static
42 #endif
43 /* compile with -Dlocal if your debugger can't find static symbols */
44
45 typedef unsigned char uch;
46 typedef uch FAR uchf;
47 typedef unsigned short ush;
48 typedef ush FAR ushf;
49 typedef unsigned long ulg;
50
51 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
52 /* (size given to avoid silly warnings with Visual C++) */
53
54 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
55
56 #define ERR_RETURN(strm,err) \
57 return (strm->msg = (char*)ERR_MSG(err), (err))
58 /* To be used only when the state is known to be valid */
59
60 /* common constants */
61
62 #ifndef DEF_WBITS
63 # define DEF_WBITS MAX_WBITS
64 #endif
65 /* default windowBits for decompression. MAX_WBITS is for compression only */
66
67 #if MAX_MEM_LEVEL >= 8
68 # define DEF_MEM_LEVEL 8
69 #else
70 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
71 #endif
72 /* default memLevel */
73
74 #define STORED_BLOCK 0
75 #define STATIC_TREES 1
76 #define DYN_TREES 2
77 /* The three kinds of block type */
78
79 #define MIN_MATCH 3
80 #define MAX_MATCH 258
81 /* The minimum and maximum match lengths */
82
83 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
84
85 /* target dependencies */
86
87 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
88 # define OS_CODE 0x00
89 # if defined(__TURBOC__) || defined(__BORLANDC__)
90 # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
91 /* Allow compilation with ANSI keywords only enabled */
92 void _Cdecl farfree( void *block );
93 void *_Cdecl farmalloc( unsigned long nbytes );
94 # else
95 # include <alloc.h>
96 # endif
97 # else /* MSC or DJGPP */
98 # include <malloc.h>
99 # endif
100 #endif
101
102 #ifdef AMIGA
103 # define OS_CODE 0x01
104 #endif
105
106 #if defined(VAXC) || defined(VMS)
107 # define OS_CODE 0x02
108 # define F_OPEN(name, mode) \
109 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
110 #endif
111
112 #if defined(ATARI) || defined(atarist)
113 # define OS_CODE 0x05
114 #endif
115
116 #ifdef OS2
117 # define OS_CODE 0x06
118 # ifdef M_I86
119 # include <malloc.h>
120 # endif
121 #endif
122
123 #if defined(MACOS) || defined(TARGET_OS_MAC)
124 # define OS_CODE 0x07
125 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
126 # include <unix.h> /* for fdopen */
127 # else
128 # ifndef fdopen
129 # define fdopen(fd,mode) NULL /* No fdopen() */
130 # endif
131 # endif
132 #endif
133
134 #ifdef TOPS20
135 # define OS_CODE 0x0a
136 #endif
137
138 #ifdef WIN32
139 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
140 # define OS_CODE 0x0b
141 # endif
142 #endif
143
144 #ifdef __50SERIES /* Prime/PRIMOS */
145 # define OS_CODE 0x0f
146 #endif
147
148 #if defined(_BEOS_) || defined(RISCOS)
149 # define fdopen(fd,mode) NULL /* No fdopen() */
150 #endif
151
152 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
153 # if defined(_WIN32_WCE)
154 # define fdopen(fd,mode) NULL /* No fdopen() */
155 # ifndef _PTRDIFF_T_DEFINED
156 typedef int ptrdiff_t;
157 # define _PTRDIFF_T_DEFINED
158 # endif
159 # else
160 # define fdopen(fd,type) _fdopen(fd,type)
161 # endif
162 #endif
163
164 #if defined(__BORLANDC__)
165 #pragma warn -8004
166 #pragma warn -8008
167 #pragma warn -8066
168 #endif
169
170 #ifdef _LARGEFILE64_SOURCE
171 # define z_off64_t off64_t
172 #else
173 # define z_off64_t z_off_t
174 #endif
175
176 /* common defaults */
177
178 #ifndef OS_CODE
179 # define OS_CODE 0x03 /* assume Unix */
180 #endif
181
182 #ifndef F_OPEN
183 # define F_OPEN(name, mode) fopen((name), (mode))
184 #endif
185
186 #ifdef _LARGEFILE64_SOURCE
187 # define F_OPEN64(name, mode) fopen64((name), (mode))
188 #else
189 # define F_OPEN64(name, mode) fopen((name), (mode))
190 #endif
191
192 /* functions */
193
194 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
195 # ifndef HAVE_VSNPRINTF
196 # define HAVE_VSNPRINTF
197 # endif
198 #endif
199 #if defined(__CYGWIN__)
200 # ifndef HAVE_VSNPRINTF
201 # define HAVE_VSNPRINTF
202 # endif
203 #endif
204 #ifndef HAVE_VSNPRINTF
205 # ifdef MSDOS
206 /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
207 but for now we just assume it doesn't. */
208 # define NO_vsnprintf
209 # endif
210 # ifdef __TURBOC__
211 # define NO_vsnprintf
212 # endif
213 # ifdef WIN32
214 /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
215 # if !defined(vsnprintf) && !defined(NO_vsnprintf)
216 # if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
217 # define vsnprintf _vsnprintf
218 # endif
219 # endif
220 # endif
221 # ifdef __SASC
222 # define NO_vsnprintf
223 # endif
224 #endif
225 #ifdef VMS
226 # define NO_vsnprintf
227 #endif
228
229 #if defined(pyr)
230 # define NO_MEMCPY
231 #endif
232 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
233 /* Use our own functions for small and medium model with MSC <= 5.0.
234 * You may have to use the same strategy for Borland C (untested).
235 * The __SC__ check is for Symantec.
236 */
237 # define NO_MEMCPY
238 #endif
239 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
240 # define HAVE_MEMCPY
241 #endif
242 #ifdef HAVE_MEMCPY
243 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
244 # define zmemcpy _fmemcpy
245 # define zmemcmp _fmemcmp
246 # define zmemzero(dest, len) _fmemset(dest, 0, len)
247 # else
248 # define zmemcpy memcpy
249 # define zmemcmp memcmp
250 # define zmemzero(dest, len) memset(dest, 0, len)
251 # endif
252 #else
253 extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
254 extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
255 extern void zmemzero OF((Bytef* dest, uInt len));
256 #endif
257
258 /* Diagnostic functions */
259 #ifdef DEBUG
260 # include <stdio.h>
261 extern int z_verbose;
262 extern void z_error OF((char *m));
263 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
264 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
265 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
266 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
267 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
268 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
269 #else
270 # define Assert(cond,msg)
271 # define Trace(x)
272 # define Tracev(x)
273 # define Tracevv(x)
274 # define Tracec(c,x)
275 # define Tracecv(c,x)
276 #endif
277
278
279 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
280 void zcfree OF((voidpf opaque, voidpf ptr));
281
282 #define ZALLOC(strm, items, size) \
283 (*((strm)->zalloc))((strm)->opaque, (items), (size))
284 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
285 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
286
287 #endif /* ZUTIL_H */

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