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zconf.h
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1 /* zconf.h -- configuration of the zlib compression library
2  * Copyright (C) 1995-2004 Jean-loup Gailly.
3  * For conditions of distribution and use, see copyright notice in zlib.h
4  */
5 
6 /* @(#) $Id: zconf.h,v 1.1 2005-05-12 21:04:53 duns Exp $ */
7 
8 #ifndef _ZCONF_H
9 #define _ZCONF_H
10 
11 /*
12  * If you *really* need a unique prefix for all types and library functions,
13  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
14  */
15 #ifdef Z_PREFIX
16 # define deflateInit_ z_deflateInit_
17 # define deflate z_deflate
18 # define deflateEnd z_deflateEnd
19 # define inflateInit_ z_inflateInit_
20 # define inflate z_inflate
21 # define inflateEnd z_inflateEnd
22 # define deflateInit2_ z_deflateInit2_
23 # define deflateSetDictionary z_deflateSetDictionary
24 # define deflateCopy z_deflateCopy
25 # define deflateReset z_deflateReset
26 # define deflateParams z_deflateParams
27 # define deflateBound z_deflateBound
28 # define deflatePrime z_deflatePrime
29 # define inflateInit2_ z_inflateInit2_
30 # define inflateSetDictionary z_inflateSetDictionary
31 # define inflateSync z_inflateSync
32 # define inflateSyncPoint z_inflateSyncPoint
33 # define inflateCopy z_inflateCopy
34 # define inflateReset z_inflateReset
35 # define inflateBack z_inflateBack
36 # define inflateBackEnd z_inflateBackEnd
37 # define compress z_compress
38 # define compress2 z_compress2
39 # define compressBound z_compressBound
40 # define uncompress z_uncompress
41 # define adler32 z_adler32
42 # define crc32 z_crc32
43 # define get_crc_table z_get_crc_table
44 # define zError z_zError
45 
46 # define Byte z_Byte
47 # define uInt z_uInt
48 # define uLong z_uLong
49 # define Bytef z_Bytef
50 # define charf z_charf
51 # define intf z_intf
52 # define uIntf z_uIntf
53 # define uLongf z_uLongf
54 # define voidpf z_voidpf
55 # define voidp z_voidp
56 #endif
57 
58 #if defined(__MSDOS__) && !defined(MSDOS)
59 # define MSDOS
60 #endif
61 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
62 # define OS2
63 #endif
64 #if defined(_WINDOWS) && !defined(WINDOWS)
65 # define WINDOWS
66 #endif
67 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
68 # define WIN32
69 #endif
70 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
71 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
72 # ifndef SYS16BIT
73 # define SYS16BIT
74 # endif
75 # endif
76 #endif
77 
78 /*
79  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
80  * than 64k bytes at a time (needed on systems with 16-bit int).
81  */
82 #ifdef SYS16BIT
83 # define MAXSEG_64K
84 #endif
85 #ifdef MSDOS
86 # define UNALIGNED_OK
87 #endif
88 
89 #ifdef __STDC_VERSION__
90 # ifndef STDC
91 # define STDC
92 # endif
93 # if __STDC_VERSION__ >= 199901L
94 # ifndef STDC99
95 # define STDC99
96 # endif
97 # endif
98 #endif
99 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
100 # define STDC
101 #endif
102 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
103 # define STDC
104 #endif
105 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
106 # define STDC
107 #endif
108 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
109 # define STDC
110 #endif
111 
112 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
113 # define STDC
114 #endif
115 
116 #ifndef STDC
117 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
118 # define const /* note: need a more gentle solution here */
119 # endif
120 #endif
121 
122 /* Some Mac compilers merge all .h files incorrectly: */
123 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
124 # define NO_DUMMY_DECL
125 #endif
126 
127 /* Maximum value for memLevel in deflateInit2 */
128 #ifndef MAX_MEM_LEVEL
129 # ifdef MAXSEG_64K
130 # define MAX_MEM_LEVEL 8
131 # else
132 # define MAX_MEM_LEVEL 9
133 # endif
134 #endif
135 
136 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
137  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
138  * created by gzip. (Files created by minigzip can still be extracted by
139  * gzip.)
140  */
141 #ifndef MAX_WBITS
142 # define MAX_WBITS 15 /* 32K LZ77 window */
143 #endif
144 
145 /* The memory requirements for deflate are (in bytes):
146  (1 << (windowBits+2)) + (1 << (memLevel+9))
147  that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
148  plus a few kilobytes for small objects. For example, if you want to reduce
149  the default memory requirements from 256K to 128K, compile with
150  make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
151  Of course this will generally degrade compression (there's no free lunch).
152 
153  The memory requirements for inflate are (in bytes) 1 << windowBits
154  that is, 32K for windowBits=15 (default value) plus a few kilobytes
155  for small objects.
156 */
157 
158  /* Type declarations */
159 
160 #ifndef OF /* function prototypes */
161 # ifdef STDC
162 # define OF(args) args
163 # else
164 # define OF(args) ()
165 # endif
166 #endif
167 
168 /* The following definitions for FAR are needed only for MSDOS mixed
169  * model programming (small or medium model with some far allocations).
170  * This was tested only with MSC; for other MSDOS compilers you may have
171  * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
172  * just define FAR to be empty.
173  */
174 #ifdef SYS16BIT
175 # if defined(M_I86SM) || defined(M_I86MM)
176  /* MSC small or medium model */
177 # define SMALL_MEDIUM
178 # ifdef _MSC_VER
179 # define FAR _far
180 # else
181 # define FAR far
182 # endif
183 # endif
184 # if (defined(__SMALL__) || defined(__MEDIUM__))
185  /* Turbo C small or medium model */
186 # define SMALL_MEDIUM
187 # ifdef __BORLANDC__
188 # define FAR _far
189 # else
190 # define FAR far
191 # endif
192 # endif
193 #endif
194 
195 #if defined(WINDOWS) || defined(WIN32)
196  /* If building or using zlib as a DLL, define ZLIB_DLL.
197  * This is not mandatory, but it offers a little performance increase.
198  */
199 # ifdef ZLIB_DLL
200 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
201 # ifdef ZLIB_INTERNAL
202 # define ZEXTERN extern __declspec(dllexport)
203 # else
204 # define ZEXTERN extern __declspec(dllimport)
205 # endif
206 # endif
207 # endif /* ZLIB_DLL */
208  /* If building or using zlib with the WINAPI/WINAPIV calling convention,
209  * define ZLIB_WINAPI.
210  * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
211  */
212 # ifdef ZLIB_WINAPI
213 # ifdef FAR
214 # undef FAR
215 # endif
216 # include <windows.h>
217  /* No need for _export, use ZLIB.DEF instead. */
218  /* For complete Windows compatibility, use WINAPI, not __stdcall. */
219 # define ZEXPORT WINAPI
220 # ifdef WIN32
221 # define ZEXPORTVA WINAPIV
222 # else
223 # define ZEXPORTVA FAR CDECL
224 # endif
225 # endif
226 #endif
227 
228 #if defined (__BEOS__)
229 # ifdef ZLIB_DLL
230 # ifdef ZLIB_INTERNAL
231 # define ZEXPORT __declspec(dllexport)
232 # define ZEXPORTVA __declspec(dllexport)
233 # else
234 # define ZEXPORT __declspec(dllimport)
235 # define ZEXPORTVA __declspec(dllimport)
236 # endif
237 # endif
238 #endif
239 
240 #ifndef ZEXTERN
241 # define ZEXTERN extern
242 #endif
243 #ifndef ZEXPORT
244 # define ZEXPORT
245 #endif
246 #ifndef ZEXPORTVA
247 # define ZEXPORTVA
248 #endif
249 
250 #ifndef FAR
251 # define FAR
252 #endif
253 
254 #if !defined(__MACTYPES__)
255 typedef unsigned char Byte; /* 8 bits */
256 #endif
257 typedef unsigned int uInt; /* 16 bits or more */
258 typedef unsigned long uLong; /* 32 bits or more */
259 
260 #ifdef SMALL_MEDIUM
261  /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
262 # define Bytef Byte FAR
263 #else
264  typedef Byte FAR Bytef;
265 #endif
266 typedef char FAR charf;
267 typedef int FAR intf;
268 typedef uInt FAR uIntf;
269 typedef uLong FAR uLongf;
270 
271 #ifdef STDC
272  typedef void const *voidpc;
273  typedef void FAR *voidpf;
274  typedef void *voidp;
275 #else
276  typedef Byte const *voidpc;
277  typedef Byte FAR *voidpf;
278  typedef Byte *voidp;
279 #endif
280 
281 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
282 # include <sys/types.h> /* for off_t */
283 # include <unistd.h> /* for SEEK_* and off_t */
284 # ifdef VMS
285 # include <unixio.h> /* for off_t */
286 # endif
287 # define z_off_t off_t
288 #endif
289 #ifndef SEEK_SET
290 # define SEEK_SET 0 /* Seek from beginning of file. */
291 # define SEEK_CUR 1 /* Seek from current position. */
292 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
293 #endif
294 #ifndef z_off_t
295 # define z_off_t long
296 #endif
297 
298 #if defined(__OS400__)
299 # define NO_vsnprintf
300 #endif
301 
302 #if defined(__MVS__)
303 # define NO_vsnprintf
304 # ifdef FAR
305 # undef FAR
306 # endif
307 #endif
308 
309 /* MVS linker does not support external names larger than 8 bytes */
310 #if defined(__MVS__)
311 # pragma map(deflateInit_,"DEIN")
312 # pragma map(deflateInit2_,"DEIN2")
313 # pragma map(deflateEnd,"DEEND")
314 # pragma map(deflateBound,"DEBND")
315 # pragma map(inflateInit_,"ININ")
316 # pragma map(inflateInit2_,"ININ2")
317 # pragma map(inflateEnd,"INEND")
318 # pragma map(inflateSync,"INSY")
319 # pragma map(inflateSetDictionary,"INSEDI")
320 # pragma map(compressBound,"CMBND")
321 # pragma map(inflate_table,"INTABL")
322 # pragma map(inflate_fast,"INFA")
323 # pragma map(inflate_copyright,"INCOPY")
324 #endif
325 
326 #endif /* _ZCONF_H */
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