xref: /utopia/UTPA2-700.0.x/modules/gpd/drv/gpd/zutil.h (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)
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77 //<MStar Software>
78 /* zutil.h -- internal interface and configuration of the compression library
79  * Copyright (C) 1995-2005 Jean-loup Gailly.
80  * For conditions of distribution and use, see copyright notice in zlib.h
81  */
82 
83 /* WARNING: this file should *not* be used by applications. It is
84    part of the implementation of the compression library and is
85    subject to change. Applications should only use zlib.h.
86  */
87 
88 /* @(#) $Id$ */
89 
90 #ifndef ZUTIL_H
91 #define ZUTIL_H
92 
93 #define ZLIB_INTERNAL
94 #include "zlib.h"
95 
96 #ifdef STDC
97 #  ifndef _WIN32_WCE
98 #    include <stddef.h>
99 #  endif
100 
101 #ifdef MSOS_TYPE_LINUX_KERNEL
102 #include <linux/string.h>
103 #include <linux/time.h>
104 #else
105 #include <string.h>
106 #include <stdlib.h>
107 #endif
108 #endif
109 #ifdef NO_ERRNO_H
110 #   ifdef _WIN32_WCE
111       /* The Microsoft C Run-Time Library for Windows CE doesn't have
112        * errno.  We define it as a global variable to simplify porting.
113        * Its value is always 0 and should not be used.  We rename it to
114        * avoid conflict with other libraries that use the same workaround.
115        */
116 #     define errno z_errno
117 #   endif
118     extern MS_U32 errno;
119 #else
120 #  ifndef _WIN32_WCE
121 #ifndef MSOS_TYPE_LINUX_KERNEL
122 #    include <errno.h>
123 #endif
124 #  endif
125 #endif
126 
127 #ifndef local
128 #  define local static
129 #endif
130 /* compile with -Dlocal if your debugger can't find static symbols */
131 
132 typedef MS_U8  uch;
133 typedef uch FAR uchf;
134 typedef MS_U16 ush;
135 typedef ush FAR ushf;
136 typedef MS_U32  ulg;
137 
138 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
139 /* (size given to avoid silly warnings with Visual C++) */
140 
141 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
142 
143 #define ERR_RETURN(strm,err) \
144   return (strm->msg = (char*)ERR_MSG(err), (err))
145 /* To be used only when the state is known to be valid */
146 
147         /* common constants */
148 
149 #ifndef DEF_WBITS
150 #  define DEF_WBITS MAX_WBITS
151 #endif
152 /* default windowBits for decompression. MAX_WBITS is for compression only */
153 
154 #if MAX_MEM_LEVEL >= 8
155 #  define DEF_MEM_LEVEL 8
156 #else
157 #  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
158 #endif
159 /* default memLevel */
160 
161 #define STORED_BLOCK 0
162 #define STATIC_TREES 1
163 #define DYN_TREES    2
164 /* The three kinds of block type */
165 
166 #define MIN_MATCH  3
167 #define MAX_MATCH  258
168 /* The minimum and maximum match lengths */
169 
170 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
171 
172         /* target dependencies */
173 
174 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
175 #  define OS_CODE  0x00
176 #  if defined(__TURBOC__) || defined(__BORLANDC__)
177 #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
178        /* Allow compilation with ANSI keywords only enabled */
179        void _Cdecl farfree( void *block );
180        void *_Cdecl farmalloc( MS_U32 nbytes );
181 #    else
182 #      include <alloc.h>
183 #    endif
184 #  else /* MSC or DJGPP */
185 #    include <malloc.h>
186 #  endif
187 #endif
188 
189 #ifdef AMIGA
190 #  define OS_CODE  0x01
191 #endif
192 
193 #if defined(VAXC) || defined(VMS)
194 #  define OS_CODE  0x02
195 #  define F_OPEN(name, mode) \
196      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
197 #endif
198 
199 #if defined(ATARI) || defined(atarist)
200 #  define OS_CODE  0x05
201 #endif
202 
203 #ifdef OS2
204 #  define OS_CODE  0x06
205 #  ifdef M_I86
206      #include <malloc.h>
207 #  endif
208 #endif
209 
210 #if defined(MACOS) || defined(TARGET_OS_MAC)
211 #  define OS_CODE  0x07
212 #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
213 #    include <unix.h> /* for fdopen */
214 #  else
215 #    ifndef fdopen
216 #      define fdopen(fd,mode) NULL /* No fdopen() */
217 #    endif
218 #  endif
219 #endif
220 
221 #ifdef TOPS20
222 #  define OS_CODE  0x0a
223 #endif
224 
225 #ifdef WIN32
226 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
227 #    define OS_CODE  0x0b
228 #  endif
229 #endif
230 
231 #ifdef __50SERIES /* Prime/PRIMOS */
232 #  define OS_CODE  0x0f
233 #endif
234 
235 #if defined(_BEOS_) || defined(RISCOS)
236 #  define fdopen(fd,mode) NULL /* No fdopen() */
237 #endif
238 
239 #if (defined(_MSC_VER) && (_MSC_VER > 600))
240 #  if defined(_WIN32_WCE)
241 #    define fdopen(fd,mode) NULL /* No fdopen() */
242 #    ifndef _PTRDIFF_T_DEFINED
243        typedef MS_U32 ptrdiff_t;
244 #      define _PTRDIFF_T_DEFINED
245 #    endif
246 #  else
247 #    define fdopen(fd,type)  _fdopen(fd,type)
248 #  endif
249 #endif
250 
251         /* common defaults */
252 
253 #ifndef OS_CODE
254 #  define OS_CODE  0x03  /* assume Unix */
255 #endif
256 
257 #ifndef F_OPEN
258 #  define F_OPEN(name, mode) fopen((name), (mode))
259 #endif
260 
261          /* functions */
262 
263 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
264 #  ifndef HAVE_VSNPRINTF
265 #    define HAVE_VSNPRINTF
266 #  endif
267 #endif
268 #if defined(__CYGWIN__)
269 #  ifndef HAVE_VSNPRINTF
270 #    define HAVE_VSNPRINTF
271 #  endif
272 #endif
273 #ifndef HAVE_VSNPRINTF
274 #  ifdef MSDOS
275      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
276         but for now we just assume it doesn't. */
277 #    define NO_vsnprintf
278 #  endif
279 #  ifdef __TURBOC__
280 #    define NO_vsnprintf
281 #  endif
282 #  ifdef WIN32
283      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
284 #    if !defined(vsnprintf) && !defined(NO_vsnprintf)
285 #      define vsnprintf _vsnprintf
286 #    endif
287 #  endif
288 #  ifdef __SASC
289 #    define NO_vsnprintf
290 #  endif
291 #endif
292 #ifdef VMS
293 #  define NO_vsnprintf
294 #endif
295 
296 #if defined(pyr)
297 #  define NO_MEMCPY
298 #endif
299 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
300  /* Use our own functions for small and medium model with MSC <= 5.0.
301   * You may have to use the same strategy for Borland C (untested).
302   * The __SC__ check is for Symantec.
303   */
304 #  define NO_MEMCPY
305 #endif
306 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
307 #  define HAVE_MEMCPY
308 #endif
309 #ifdef HAVE_MEMCPY
310 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
311 #    define zmemcpy _fmemcpy
312 #    define zmemcmp _fmemcmp
313 #    define zmemzero(dest, len) _fmemset(dest, 0, len)
314 #  else
315 #    define zmemcpy memcpy
316 #    define zmemcmp memcmp
317 #    define zmemzero(dest, len) memset(dest, 0, len)
318 #  endif
319 #else
320    extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
321    extern MS_U32  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));
322    extern void zmemzero OF((Bytef* dest, uInt len));
323 #endif
324 
325 /* Diagnostic functions */
326 #ifdef DEBUG
327 #  include <stdio.h>
328    extern MS_U32 z_verbose;
329    extern void z_error    OF((char *m));
330 #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
331 #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
332 #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
333 #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
334 #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
335 #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
336 #else
337 #  define Assert(cond,msg)
338 #  define Trace(x)
339 #  define Tracev(x)
340 #  define Tracevv(x)
341 #  define Tracec(c,x)
342 #  define Tracecv(c,x)
343 #endif
344 
345 
346 voidpf zcalloc OF((voidpf opaque, MS_U32 items, MS_U32 size));
347 void   zcfree  OF((voidpf opaque, voidpf ptr));
348 
349 #define ZALLOC(strm, items, size) \
350            (*((strm)->zalloc))((strm)->opaque, (items), (size))
351 #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
352 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
353 
354 #endif /* ZUTIL_H */
355