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1 /* zconf.h -- configuration of the zlib 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 /* @(#) $Id$ */
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 alloc_func            z_alloc_func
47 #  define free_func             z_free_func
48 #  define in_func               z_in_func
49 #  define out_func              z_out_func
50 #  define Byte                  z_Byte
51 #  define uInt                  z_uInt
52 #  define uLong                 z_uLong
53 #  define Bytef                 z_Bytef
54 #  define charf                 z_charf
55 #  define intf                  z_intf
56 #  define uIntf                 z_uIntf
57 #  define uLongf                z_uLongf
58 #  define voidpf                z_voidpf
59 #  define voidp                 z_voidp
60 #endif
61 
62 #if defined(__MSDOS__) && !defined(MSDOS)
63 #  define MSDOS
64 #endif
65 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
66 #  define OS2
67 #endif
68 #if defined(_WINDOWS) && !defined(WINDOWS)
69 #  define WINDOWS
70 #endif
71 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
72 #  ifndef WIN32
73 #    define WIN32
74 #  endif
75 #endif
76 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
77 #  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
78 #    ifndef SYS16BIT
79 #      define SYS16BIT
80 #    endif
81 #  endif
82 #endif
83 
84 /*
85  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
86  * than 64k bytes at a time (needed on systems with 16-bit int).
87  */
88 #ifdef SYS16BIT
89 #  define MAXSEG_64K
90 #endif
91 #ifdef MSDOS
92 #  define UNALIGNED_OK
93 #endif
94 
95 #ifdef __STDC_VERSION__
96 #  ifndef STDC
97 #    define STDC
98 #  endif
99 #  if __STDC_VERSION__ >= 199901L
100 #    ifndef STDC99
101 #      define STDC99
102 #    endif
103 #  endif
104 #endif
105 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
106 #  define STDC
107 #endif
108 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
109 #  define STDC
110 #endif
111 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
112 #  define STDC
113 #endif
114 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
115 #  define STDC
116 #endif
117 
118 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
119 #  define STDC
120 #endif
121 
122 #ifndef STDC
123 #  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
124 #    define const       /* note: need a more gentle solution here */
125 #  endif
126 #endif
127 
128 /* Some Mac compilers merge all .h files incorrectly: */
129 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
130 #  define NO_DUMMY_DECL
131 #endif
132 
133 /* Maximum value for memLevel in deflateInit2 */
134 #ifndef MAX_MEM_LEVEL
135 #  ifdef MAXSEG_64K
136 #    define MAX_MEM_LEVEL 8
137 #  else
138 #    define MAX_MEM_LEVEL 9
139 #  endif
140 #endif
141 
142 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
143  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
144  * created by gzip. (Files created by minigzip can still be extracted by
145  * gzip.)
146  */
147 #ifndef MAX_WBITS
148 #  define MAX_WBITS   15 /* 32K LZ77 window */
149 #endif
150 
151 /* The memory requirements for deflate are (in bytes):
152             (1 << (windowBits+2)) +  (1 << (memLevel+9))
153  that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
154  plus a few kilobytes for small objects. For example, if you want to reduce
155  the default memory requirements from 256K to 128K, compile with
156      make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
157  Of course this will generally degrade compression (there's no free lunch).
158 
159    The memory requirements for inflate are (in bytes) 1 << windowBits
160  that is, 32K for windowBits=15 (default value) plus a few kilobytes
161  for small objects.
162 */
163 
164                         /* Type declarations */
165 
166 #ifndef OF /* function prototypes */
167 #  ifdef STDC
168 #    define OF(args)  args
169 #  else
170 #    define OF(args)  ()
171 #  endif
172 #endif
173 
174 /* The following definitions for FAR are needed only for MSDOS mixed
175  * model programming (small or medium model with some far allocations).
176  * This was tested only with MSC; for other MSDOS compilers you may have
177  * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
178  * just define FAR to be empty.
179  */
180 #ifdef SYS16BIT
181 #  if defined(M_I86SM) || defined(M_I86MM)
182      /* MSC small or medium model */
183 #    define SMALL_MEDIUM
184 #    ifdef _MSC_VER
185 #      define FAR _far
186 #    else
187 #      define FAR far
188 #    endif
189 #  endif
190 #  if (defined(__SMALL__) || defined(__MEDIUM__))
191      /* Turbo C small or medium model */
192 #    define SMALL_MEDIUM
193 #    ifdef __BORLANDC__
194 #      define FAR _far
195 #    else
196 #      define FAR far
197 #    endif
198 #  endif
199 #endif
200 
201 #if defined(WINDOWS) || defined(WIN32)
202    /* If building or using zlib as a DLL, define ZLIB_DLL.
203     * This is not mandatory, but it offers a little performance increase.
204     */
205 #  ifdef ZLIB_DLL
206 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
207 #      ifdef ZLIB_INTERNAL
208 #        define ZEXTERN extern __declspec(dllexport)
209 #      else
210 #        define ZEXTERN extern __declspec(dllimport)
211 #      endif
212 #    endif
213 #  endif  /* ZLIB_DLL */
214    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
215     * define ZLIB_WINAPI.
216     * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
217     */
218 #  ifdef ZLIB_WINAPI
219 #    ifdef FAR
220 #      undef FAR
221 #    endif
222 #    include <windows.h>
223      /* No need for _export, use ZLIB.DEF instead. */
224      /* For complete Windows compatibility, use WINAPI, not __stdcall. */
225 #    define ZEXPORT WINAPI
226 #    ifdef WIN32
227 #      define ZEXPORTVA WINAPIV
228 #    else
229 #      define ZEXPORTVA FAR CDECL
230 #    endif
231 #  endif
232 #endif
233 
234 #if defined (__BEOS__)
235 #  ifdef ZLIB_DLL
236 #    ifdef ZLIB_INTERNAL
237 #      define ZEXPORT   __declspec(dllexport)
238 #      define ZEXPORTVA __declspec(dllexport)
239 #    else
240 #      define ZEXPORT   __declspec(dllimport)
241 #      define ZEXPORTVA __declspec(dllimport)
242 #    endif
243 #  endif
244 #endif
245 
246 #ifndef ZEXTERN
247 #  define ZEXTERN extern
248 #endif
249 #ifndef ZEXPORT
250 #  define ZEXPORT
251 #endif
252 #ifndef ZEXPORTVA
253 #  define ZEXPORTVA
254 #endif
255 
256 #ifndef FAR
257 #  define FAR
258 #endif
259 
260 #if !defined(__MACTYPES__)
261 typedef unsigned char  Byte;  /* 8 bits */
262 #endif
263 typedef unsigned int   uInt;  /* 16 bits or more */
264 typedef unsigned long  uLong; /* 32 bits or more */
265 
266 #ifdef SMALL_MEDIUM
267    /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
268 #  define Bytef Byte FAR
269 #else
270    typedef Byte  FAR Bytef;
271 #endif
272 typedef char  FAR charf;
273 typedef int   FAR intf;
274 typedef uInt  FAR uIntf;
275 typedef uLong FAR uLongf;
276 
277 #ifdef STDC
278    typedef void const *voidpc;
279    typedef void FAR   *voidpf;
280    typedef void       *voidp;
281 #else
282    typedef Byte const *voidpc;
283    typedef Byte FAR   *voidpf;
284    typedef Byte       *voidp;
285 #endif
286 
287 #if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
288 #  include <sys/types.h> /* for off_t */
289 #  include <unistd.h>    /* for SEEK_* and off_t */
290 #  ifdef VMS
291 #    include <unixio.h>   /* for off_t */
292 #  endif
293 #  define z_off_t off_t
294 #endif
295 #ifndef SEEK_SET
296 #  define SEEK_SET        0       /* Seek from beginning of file.  */
297 #  define SEEK_CUR        1       /* Seek from current position.  */
298 #  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
299 #endif
300 #ifndef z_off_t
301 #  define z_off_t long
302 #endif
303 
304 #if defined(__OS400__)
305 #  define NO_vsnprintf
306 #endif
307 
308 #if defined(__MVS__)
309 #  define NO_vsnprintf
310 #  ifdef FAR
311 #    undef FAR
312 #  endif
313 #endif
314 
315 /* MVS linker does not support external names larger than 8 bytes */
316 #if defined(__MVS__)
317 #   pragma map(deflateInit_,"DEIN")
318 #   pragma map(deflateInit2_,"DEIN2")
319 #   pragma map(deflateEnd,"DEEND")
320 #   pragma map(deflateBound,"DEBND")
321 #   pragma map(inflateInit_,"ININ")
322 #   pragma map(inflateInit2_,"ININ2")
323 #   pragma map(inflateEnd,"INEND")
324 #   pragma map(inflateSync,"INSY")
325 #   pragma map(inflateSetDictionary,"INSEDI")
326 #   pragma map(compressBound,"CMBND")
327 #   pragma map(inflate_table,"INTABL")
328 #   pragma map(inflate_fast,"INFA")
329 #   pragma map(inflate_copyright,"INCOPY")
330 #endif
331 
332 #endif /* ZCONF_H */
333