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Diffstat (limited to 'apps/plugins/imageviewer/png/zutil.h')
-rw-r--r-- | apps/plugins/imageviewer/png/zutil.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/apps/plugins/imageviewer/png/zutil.h b/apps/plugins/imageviewer/png/zutil.h new file mode 100644 index 0000000000..b7d5eff81b --- /dev/null +++ b/apps/plugins/imageviewer/png/zutil.h | |||
@@ -0,0 +1,269 @@ | |||
1 | /* zutil.h -- internal interface and configuration of the compression library | ||
2 | * Copyright (C) 1995-2005 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 | # ifndef _WIN32_WCE | ||
21 | # include <stddef.h> | ||
22 | # endif | ||
23 | # include <string.h> | ||
24 | # include <stdlib.h> | ||
25 | #endif | ||
26 | #ifdef NO_ERRNO_H | ||
27 | # ifdef _WIN32_WCE | ||
28 | /* The Microsoft C Run-Time Library for Windows CE doesn't have | ||
29 | * errno. We define it as a global variable to simplify porting. | ||
30 | * Its value is always 0 and should not be used. We rename it to | ||
31 | * avoid conflict with other libraries that use the same workaround. | ||
32 | */ | ||
33 | # define errno z_errno | ||
34 | # endif | ||
35 | extern int errno; | ||
36 | #else | ||
37 | # ifndef _WIN32_WCE | ||
38 | # include <errno.h> | ||
39 | # endif | ||
40 | #endif | ||
41 | |||
42 | #ifndef local | ||
43 | # define local static | ||
44 | #endif | ||
45 | /* compile with -Dlocal if your debugger can't find static symbols */ | ||
46 | |||
47 | typedef unsigned char uch; | ||
48 | typedef uch FAR uchf; | ||
49 | typedef unsigned short ush; | ||
50 | typedef ush FAR ushf; | ||
51 | typedef unsigned long ulg; | ||
52 | |||
53 | extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ | ||
54 | /* (size given to avoid silly warnings with Visual C++) */ | ||
55 | |||
56 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] | ||
57 | |||
58 | #define ERR_RETURN(strm,err) \ | ||
59 | return (strm->msg = (char*)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 | # if defined(__TURBOC__) || defined(__BORLANDC__) | ||
92 | # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) | ||
93 | /* Allow compilation with ANSI keywords only enabled */ | ||
94 | void _Cdecl farfree( void *block ); | ||
95 | void *_Cdecl farmalloc( unsigned long nbytes ); | ||
96 | # else | ||
97 | # include <alloc.h> | ||
98 | # endif | ||
99 | # else /* MSC or DJGPP */ | ||
100 | # include <malloc.h> | ||
101 | # endif | ||
102 | #endif | ||
103 | |||
104 | #ifdef AMIGA | ||
105 | # define OS_CODE 0x01 | ||
106 | #endif | ||
107 | |||
108 | #if defined(VAXC) || defined(VMS) | ||
109 | # define OS_CODE 0x02 | ||
110 | # define F_OPEN(name, mode) \ | ||
111 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") | ||
112 | #endif | ||
113 | |||
114 | #if defined(ATARI) || defined(atarist) | ||
115 | # define OS_CODE 0x05 | ||
116 | #endif | ||
117 | |||
118 | #ifdef OS2 | ||
119 | # define OS_CODE 0x06 | ||
120 | # ifdef M_I86 | ||
121 | #include <malloc.h> | ||
122 | # endif | ||
123 | #endif | ||
124 | |||
125 | #if defined(MACOS) || defined(TARGET_OS_MAC) | ||
126 | # define OS_CODE 0x07 | ||
127 | # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os | ||
128 | # include <unix.h> /* for fdopen */ | ||
129 | # else | ||
130 | # ifndef fdopen | ||
131 | # define fdopen(fd,mode) NULL /* No fdopen() */ | ||
132 | # endif | ||
133 | # endif | ||
134 | #endif | ||
135 | |||
136 | #ifdef TOPS20 | ||
137 | # define OS_CODE 0x0a | ||
138 | #endif | ||
139 | |||
140 | #ifdef WIN32 | ||
141 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ | ||
142 | # define OS_CODE 0x0b | ||
143 | # endif | ||
144 | #endif | ||
145 | |||
146 | #ifdef __50SERIES /* Prime/PRIMOS */ | ||
147 | # define OS_CODE 0x0f | ||
148 | #endif | ||
149 | |||
150 | #if defined(_BEOS_) || defined(RISCOS) | ||
151 | # define fdopen(fd,mode) NULL /* No fdopen() */ | ||
152 | #endif | ||
153 | |||
154 | #if (defined(_MSC_VER) && (_MSC_VER > 600)) | ||
155 | # if defined(_WIN32_WCE) | ||
156 | # define fdopen(fd,mode) NULL /* No fdopen() */ | ||
157 | # ifndef _PTRDIFF_T_DEFINED | ||
158 | typedef int ptrdiff_t; | ||
159 | # define _PTRDIFF_T_DEFINED | ||
160 | # endif | ||
161 | # else | ||
162 | # define fdopen(fd,type) _fdopen(fd,type) | ||
163 | # endif | ||
164 | #endif | ||
165 | |||
166 | /* common defaults */ | ||
167 | |||
168 | #ifndef OS_CODE | ||
169 | # define OS_CODE 0x03 /* assume Unix */ | ||
170 | #endif | ||
171 | |||
172 | #ifndef F_OPEN | ||
173 | # define F_OPEN(name, mode) fopen((name), (mode)) | ||
174 | #endif | ||
175 | |||
176 | /* functions */ | ||
177 | |||
178 | #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) | ||
179 | # ifndef HAVE_VSNPRINTF | ||
180 | # define HAVE_VSNPRINTF | ||
181 | # endif | ||
182 | #endif | ||
183 | #if defined(__CYGWIN__) | ||
184 | # ifndef HAVE_VSNPRINTF | ||
185 | # define HAVE_VSNPRINTF | ||
186 | # endif | ||
187 | #endif | ||
188 | #ifndef HAVE_VSNPRINTF | ||
189 | # ifdef MSDOS | ||
190 | /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), | ||
191 | but for now we just assume it doesn't. */ | ||
192 | # define NO_vsnprintf | ||
193 | # endif | ||
194 | # ifdef __TURBOC__ | ||
195 | # define NO_vsnprintf | ||
196 | # endif | ||
197 | # ifdef WIN32 | ||
198 | /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ | ||
199 | # if !defined(vsnprintf) && !defined(NO_vsnprintf) | ||
200 | # define vsnprintf _vsnprintf | ||
201 | # endif | ||
202 | # endif | ||
203 | # ifdef __SASC | ||
204 | # define NO_vsnprintf | ||
205 | # endif | ||
206 | #endif | ||
207 | #ifdef VMS | ||
208 | # define NO_vsnprintf | ||
209 | #endif | ||
210 | |||
211 | #if defined(pyr) | ||
212 | # define NO_MEMCPY | ||
213 | #endif | ||
214 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) | ||
215 | /* Use our own functions for small and medium model with MSC <= 5.0. | ||
216 | * You may have to use the same strategy for Borland C (untested). | ||
217 | * The __SC__ check is for Symantec. | ||
218 | */ | ||
219 | # define NO_MEMCPY | ||
220 | #endif | ||
221 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) | ||
222 | # define HAVE_MEMCPY | ||
223 | #endif | ||
224 | #ifdef HAVE_MEMCPY | ||
225 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */ | ||
226 | # define zmemcpy _fmemcpy | ||
227 | # define zmemcmp _fmemcmp | ||
228 | # define zmemzero(dest, len) _fmemset(dest, 0, len) | ||
229 | # else | ||
230 | # define zmemcpy memcpy | ||
231 | # define zmemcmp memcmp | ||
232 | # define zmemzero(dest, len) memset(dest, 0, len) | ||
233 | # endif | ||
234 | #else | ||
235 | extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); | ||
236 | extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); | ||
237 | extern void zmemzero OF((Bytef* dest, uInt len)); | ||
238 | #endif | ||
239 | |||
240 | /* Diagnostic functions */ | ||
241 | #ifdef DEBUG | ||
242 | # include <stdio.h> | ||
243 | extern int z_verbose; | ||
244 | extern void z_error OF((char *m)); | ||
245 | # define Assert(cond,msg) {if(!(cond)) z_error(msg);} | ||
246 | # define Trace(x) {if (z_verbose>=0) fprintf x ;} | ||
247 | # define Tracev(x) {if (z_verbose>0) fprintf x ;} | ||
248 | # define Tracevv(x) {if (z_verbose>1) fprintf x ;} | ||
249 | # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} | ||
250 | # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} | ||
251 | #else | ||
252 | # define Assert(cond,msg) | ||
253 | # define Trace(x) | ||
254 | # define Tracev(x) | ||
255 | # define Tracevv(x) | ||
256 | # define Tracec(c,x) | ||
257 | # define Tracecv(c,x) | ||
258 | #endif | ||
259 | |||
260 | |||
261 | voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); | ||
262 | void zcfree OF((voidpf opaque, voidpf ptr)); | ||
263 | |||
264 | #define ZALLOC(strm, items, size) \ | ||
265 | (*((strm)->zalloc))((strm)->opaque, (items), (size)) | ||
266 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) | ||
267 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} | ||
268 | |||
269 | #endif /* ZUTIL_H */ | ||