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zconf.h
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1 /* zconf.h -- configuration of the zlib compression library
2  * Copyright (C) 1995-2012 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 /* #undef Z_PREFIX */
11 /* #undef Z_HAVE_UNISTD_H */
12 
13 /*
14  * If you *really* need a unique prefix for all types and library functions,
15  * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
16  * Even better than compiling with -DZ_PREFIX would be to use configure to set
17  * this permanently in zconf.h using "./configure --zprefix".
18  */
19 #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
20 # define Z_PREFIX_SET
21 
22 /* all linked symbols */
23 # define _dist_code z__dist_code
24 # define _length_code z__length_code
25 # define _tr_align z__tr_align
26 # define _tr_flush_block z__tr_flush_block
27 # define _tr_init z__tr_init
28 # define _tr_stored_block z__tr_stored_block
29 # define _tr_tally z__tr_tally
30 # define adler32 z_adler32
31 # define adler32_combine z_adler32_combine
32 # define adler32_combine64 z_adler32_combine64
33 # ifndef Z_SOLO
34 # define compress z_compress
35 # define compress2 z_compress2
36 # define compressBound z_compressBound
37 # endif
38 # define crc32 z_crc32
39 # define crc32_combine z_crc32_combine
40 # define crc32_combine64 z_crc32_combine64
41 # define deflate z_deflate
42 # define deflateBound z_deflateBound
43 # define deflateCopy z_deflateCopy
44 # define deflateEnd z_deflateEnd
45 # define deflateInit2_ z_deflateInit2_
46 # define deflateInit_ z_deflateInit_
47 # define deflateParams z_deflateParams
48 # define deflatePending z_deflatePending
49 # define deflatePrime z_deflatePrime
50 # define deflateReset z_deflateReset
51 # define deflateResetKeep z_deflateResetKeep
52 # define deflateSetDictionary z_deflateSetDictionary
53 # define deflateSetHeader z_deflateSetHeader
54 # define deflateTune z_deflateTune
55 # define deflate_copyright z_deflate_copyright
56 # define get_crc_table z_get_crc_table
57 # ifndef Z_SOLO
58 # define gz_error z_gz_error
59 # define gz_intmax z_gz_intmax
60 # define gz_strwinerror z_gz_strwinerror
61 # define gzbuffer z_gzbuffer
62 # define gzclearerr z_gzclearerr
63 # define gzclose z_gzclose
64 # define gzclose_r z_gzclose_r
65 # define gzclose_w z_gzclose_w
66 # define gzdirect z_gzdirect
67 # define gzdopen z_gzdopen
68 # define gzeof z_gzeof
69 # define gzerror z_gzerror
70 # define gzflush z_gzflush
71 # define gzgetc z_gzgetc
72 # define gzgetc_ z_gzgetc_
73 # define gzgets z_gzgets
74 # define gzoffset z_gzoffset
75 # define gzoffset64 z_gzoffset64
76 # define gzopen z_gzopen
77 # define gzopen64 z_gzopen64
78 # ifdef _WIN32
79 # define gzopen_w z_gzopen_w
80 # endif
81 # define gzprintf z_gzprintf
82 # define gzputc z_gzputc
83 # define gzputs z_gzputs
84 # define gzread z_gzread
85 # define gzrewind z_gzrewind
86 # define gzseek z_gzseek
87 # define gzseek64 z_gzseek64
88 # define gzsetparams z_gzsetparams
89 # define gztell z_gztell
90 # define gztell64 z_gztell64
91 # define gzungetc z_gzungetc
92 # define gzwrite z_gzwrite
93 # endif
94 # define inflate z_inflate
95 # define inflateBack z_inflateBack
96 # define inflateBackEnd z_inflateBackEnd
97 # define inflateBackInit_ z_inflateBackInit_
98 # define inflateCopy z_inflateCopy
99 # define inflateEnd z_inflateEnd
100 # define inflateGetHeader z_inflateGetHeader
101 # define inflateInit2_ z_inflateInit2_
102 # define inflateInit_ z_inflateInit_
103 # define inflateMark z_inflateMark
104 # define inflatePrime z_inflatePrime
105 # define inflateReset z_inflateReset
106 # define inflateReset2 z_inflateReset2
107 # define inflateSetDictionary z_inflateSetDictionary
108 # define inflateSync z_inflateSync
109 # define inflateSyncPoint z_inflateSyncPoint
110 # define inflateUndermine z_inflateUndermine
111 # define inflateResetKeep z_inflateResetKeep
112 # define inflate_copyright z_inflate_copyright
113 # define inflate_fast z_inflate_fast
114 # define inflate_table z_inflate_table
115 # ifndef Z_SOLO
116 # define uncompress z_uncompress
117 # endif
118 # define zError z_zError
119 # ifndef Z_SOLO
120 # define zcalloc z_zcalloc
121 # define zcfree z_zcfree
122 # endif
123 # define zlibCompileFlags z_zlibCompileFlags
124 # define zlibVersion z_zlibVersion
125 
126 /* all zlib typedefs in zlib.h and zconf.h */
127 # define Byte z_Byte
128 # define Bytef z_Bytef
129 # define alloc_func z_alloc_func
130 # define charf z_charf
131 # define free_func z_free_func
132 # ifndef Z_SOLO
133 # define gzFile z_gzFile
134 # endif
135 # define gz_header z_gz_header
136 # define gz_headerp z_gz_headerp
137 # define in_func z_in_func
138 # define intf z_intf
139 # define out_func z_out_func
140 # define uInt z_uInt
141 # define uIntf z_uIntf
142 # define uLong z_uLong
143 # define uLongf z_uLongf
144 # define voidp z_voidp
145 # define voidpc z_voidpc
146 # define voidpf z_voidpf
147 
148 /* all zlib structs in zlib.h and zconf.h */
149 # define gz_header_s z_gz_header_s
150 # define internal_state z_internal_state
151 
152 #endif
153 
154 #if defined(__MSDOS__) && !defined(MSDOS)
155 # define MSDOS
156 #endif
157 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
158 # define OS2
159 #endif
160 #if defined(_WINDOWS) && !defined(WINDOWS)
161 # define WINDOWS
162 #endif
163 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
164 # ifndef WIN32
165 # define WIN32
166 # endif
167 #endif
168 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
169 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
170 # ifndef SYS16BIT
171 # define SYS16BIT
172 # endif
173 # endif
174 #endif
175 
176 /*
177  * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
178  * than 64k bytes at a time (needed on systems with 16-bit int).
179  */
180 #ifdef SYS16BIT
181 # define MAXSEG_64K
182 #endif
183 #ifdef MSDOS
184 # define UNALIGNED_OK
185 #endif
186 
187 #ifdef __STDC_VERSION__
188 # ifndef STDC
189 # define STDC
190 # endif
191 # if __STDC_VERSION__ >= 199901L
192 # ifndef STDC99
193 # define STDC99
194 # endif
195 # endif
196 #endif
197 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
198 # define STDC
199 #endif
200 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
201 # define STDC
202 #endif
203 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
204 # define STDC
205 #endif
206 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
207 # define STDC
208 #endif
209 
210 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
211 # define STDC
212 #endif
213 
214 #ifndef STDC
215 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
216 # define const /* note: need a more gentle solution here */
217 # endif
218 #endif
219 
220 #if defined(ZLIB_CONST) && !defined(z_const)
221 # define z_const const
222 #else
223 # define z_const
224 #endif
225 
226 /* Some Mac compilers merge all .h files incorrectly: */
227 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
228 # define NO_DUMMY_DECL
229 #endif
230 
231 /* Maximum value for memLevel in deflateInit2 */
232 #ifndef MAX_MEM_LEVEL
233 # ifdef MAXSEG_64K
234 # define MAX_MEM_LEVEL 8
235 # else
236 # define MAX_MEM_LEVEL 9
237 # endif
238 #endif
239 
240 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
241  * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
242  * created by gzip. (Files created by minigzip can still be extracted by
243  * gzip.)
244  */
245 #ifndef MAX_WBITS
246 # define MAX_WBITS 15 /* 32K LZ77 window */
247 #endif
248 
249 /* The memory requirements for deflate are (in bytes):
250  (1 << (windowBits+2)) + (1 << (memLevel+9))
251  that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
252  plus a few kilobytes for small objects. For example, if you want to reduce
253  the default memory requirements from 256K to 128K, compile with
254  make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
255  Of course this will generally degrade compression (there's no free lunch).
256 
257  The memory requirements for inflate are (in bytes) 1 << windowBits
258  that is, 32K for windowBits=15 (default value) plus a few kilobytes
259  for small objects.
260 */
261 
262  /* Type declarations */
263 
264 #ifndef OF /* function prototypes */
265 # ifdef STDC
266 # define OF(args) args
267 # else
268 # define OF(args) ()
269 # endif
270 #endif
271 
272 #ifndef Z_ARG /* function prototypes for stdarg */
273 # if defined(STDC) || defined(Z_HAVE_STDARG_H)
274 # define Z_ARG(args) args
275 # else
276 # define Z_ARG(args) ()
277 # endif
278 #endif
279 
280 /* The following definitions for FAR are needed only for MSDOS mixed
281  * model programming (small or medium model with some far allocations).
282  * This was tested only with MSC; for other MSDOS compilers you may have
283  * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
284  * just define FAR to be empty.
285  */
286 #ifdef SYS16BIT
287 # if defined(M_I86SM) || defined(M_I86MM)
288  /* MSC small or medium model */
289 # define SMALL_MEDIUM
290 # ifdef _MSC_VER
291 # define FAR _far
292 # else
293 # define FAR far
294 # endif
295 # endif
296 # if (defined(__SMALL__) || defined(__MEDIUM__))
297  /* Turbo C small or medium model */
298 # define SMALL_MEDIUM
299 # ifdef __BORLANDC__
300 # define FAR _far
301 # else
302 # define FAR far
303 # endif
304 # endif
305 #endif
306 
307 #if defined(WINDOWS) || defined(WIN32)
308  /* If building or using zlib as a DLL, define ZLIB_DLL.
309  * This is not mandatory, but it offers a little performance increase.
310  */
311 # ifdef ZLIB_DLL
312 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
313 # ifdef ZLIB_INTERNAL
314 # define ZEXTERN extern __declspec(dllexport)
315 # else
316 # define ZEXTERN extern __declspec(dllimport)
317 # endif
318 # endif
319 # endif /* ZLIB_DLL */
320  /* If building or using zlib with the WINAPI/WINAPIV calling convention,
321  * define ZLIB_WINAPI.
322  * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
323  */
324 # ifdef ZLIB_WINAPI
325 # ifdef FAR
326 # undef FAR
327 # endif
328 # include <windows.h>
329  /* No need for _export, use ZLIB.DEF instead. */
330  /* For complete Windows compatibility, use WINAPI, not __stdcall. */
331 # define ZEXPORT WINAPI
332 # ifdef WIN32
333 # define ZEXPORTVA WINAPIV
334 # else
335 # define ZEXPORTVA FAR CDECL
336 # endif
337 # endif
338 #endif
339 
340 #if defined (__BEOS__)
341 # ifdef ZLIB_DLL
342 # ifdef ZLIB_INTERNAL
343 # define ZEXPORT __declspec(dllexport)
344 # define ZEXPORTVA __declspec(dllexport)
345 # else
346 # define ZEXPORT __declspec(dllimport)
347 # define ZEXPORTVA __declspec(dllimport)
348 # endif
349 # endif
350 #endif
351 
352 #ifndef ZEXTERN
353 # define ZEXTERN extern
354 #endif
355 #ifndef ZEXPORT
356 # define ZEXPORT
357 #endif
358 #ifndef ZEXPORTVA
359 # define ZEXPORTVA
360 #endif
361 
362 #ifndef FAR
363 # define FAR
364 #endif
365 
366 #if !defined(__MACTYPES__)
367 typedef unsigned char Byte; /* 8 bits */
368 #endif
369 typedef unsigned int uInt; /* 16 bits or more */
370 typedef unsigned long uLong; /* 32 bits or more */
371 
372 #ifdef SMALL_MEDIUM
373  /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
374 # define Bytef Byte FAR
375 #else
376  typedef Byte FAR Bytef;
377 #endif
378 typedef char FAR charf;
379 typedef int FAR intf;
380 typedef uInt FAR uIntf;
381 typedef uLong FAR uLongf;
382 
383 #ifdef STDC
384  typedef void const *voidpc;
385  typedef void FAR *voidpf;
386  typedef void *voidp;
387 #else
388  typedef Byte const *voidpc;
389  typedef Byte FAR *voidpf;
390  typedef Byte *voidp;
391 #endif
392 
393 /* ./configure may #define Z_U4 here */
394 
395 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
396 # include <limits.h>
397 # if (UINT_MAX == 0xffffffffUL)
398 # define Z_U4 unsigned
399 # else
400 # if (ULONG_MAX == 0xffffffffUL)
401 # define Z_U4 unsigned long
402 # else
403 # if (USHRT_MAX == 0xffffffffUL)
404 # define Z_U4 unsigned short
405 # endif
406 # endif
407 # endif
408 #endif
409 
410 #ifdef Z_U4
411  typedef Z_U4 z_crc_t;
412 #else
413  typedef unsigned long z_crc_t;
414 #endif
415 
416 #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
417 # define Z_HAVE_UNISTD_H
418 #endif
419 
420 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */
421 # define Z_HAVE_STDARG_H
422 #endif
423 
424 #ifdef STDC
425 # ifndef Z_SOLO
426 # include <sys/types.h> /* for off_t */
427 # endif
428 #endif
429 
430 #ifdef _WIN32
431 # include <stddef.h> /* for wchar_t */
432 #endif
433 
434 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
435  * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
436  * though the former does not conform to the LFS document), but considering
437  * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
438  * equivalently requesting no 64-bit operations
439  */
440 #if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
441 # undef _LARGEFILE64_SOURCE
442 #endif
443 
444 #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
445 # define Z_HAVE_UNISTD_H
446 #endif
447 #ifndef Z_SOLO
448 # if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE)
449 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
450 # ifdef VMS
451 # include <unixio.h> /* for off_t */
452 # endif
453 # ifndef z_off_t
454 # define z_off_t off_t
455 # endif
456 # endif
457 #endif
458 
459 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
460 # define Z_LFS64
461 #endif
462 
463 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
464 # define Z_LARGE64
465 #endif
466 
467 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
468 # define Z_WANT64
469 #endif
470 
471 #if !defined(SEEK_SET) && !defined(Z_SOLO)
472 # define SEEK_SET 0 /* Seek from beginning of file. */
473 # define SEEK_CUR 1 /* Seek from current position. */
474 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
475 #endif
476 
477 #ifndef z_off_t
478 # define z_off_t long
479 #endif
480 
481 #if !defined(_WIN32) && defined(Z_LARGE64)
482 # define z_off64_t off64_t
483 #else
484 # if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
485 # define z_off64_t __int64
486 # else
487 # define z_off64_t z_off_t
488 # endif
489 #endif
490 
491 /* MVS linker does not support external names larger than 8 bytes */
492 #if defined(__MVS__)
493  #pragma map(deflateInit_,"DEIN")
494  #pragma map(deflateInit2_,"DEIN2")
495  #pragma map(deflateEnd,"DEEND")
496  #pragma map(deflateBound,"DEBND")
497  #pragma map(inflateInit_,"ININ")
498  #pragma map(inflateInit2_,"ININ2")
499  #pragma map(inflateEnd,"INEND")
500  #pragma map(inflateSync,"INSY")
501  #pragma map(inflateSetDictionary,"INSEDI")
502  #pragma map(compressBound,"CMBND")
503  #pragma map(inflate_table,"INTABL")
504  #pragma map(inflate_fast,"INFA")
505  #pragma map(inflate_copyright,"INCOPY")
506 #endif
507 
508 #endif /* ZCONF_H */
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