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1/* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-2010 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 * Even better than compiling with -DZ_PREFIX would be to use configure to set
15 * this permanently in zconf.h using "./configure --zprefix".
16 */
17#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
18
19/* all linked symbols */
20# define _dist_code z__dist_code
21# define _length_code z__length_code
22# define _tr_align z__tr_align
23# define _tr_flush_block z__tr_flush_block
24# define _tr_init z__tr_init
25# define _tr_stored_block z__tr_stored_block
26# define _tr_tally z__tr_tally
27# define adler32 z_adler32
28# define adler32_combine z_adler32_combine
29# define adler32_combine64 z_adler32_combine64
30# define compress z_compress
31# define compress2 z_compress2
32# define compressBound z_compressBound
33# define crc32 z_crc32
34# define crc32_combine z_crc32_combine
35# define crc32_combine64 z_crc32_combine64
36# define deflate z_deflate
37# define deflateBound z_deflateBound
38# define deflateCopy z_deflateCopy
39# define deflateEnd z_deflateEnd
40# define deflateInit2_ z_deflateInit2_
41# define deflateInit_ z_deflateInit_
42# define deflateParams z_deflateParams
43# define deflatePrime z_deflatePrime
44# define deflateReset z_deflateReset
45# define deflateSetDictionary z_deflateSetDictionary
46# define deflateSetHeader z_deflateSetHeader
47# define deflateTune z_deflateTune
48# define deflate_copyright z_deflate_copyright
49# define get_crc_table z_get_crc_table
50# define gz_error z_gz_error
51# define gz_strwinerror z_gz_strwinerror
52# define gzbuffer z_gzbuffer
53# define gzclearerr z_gzclearerr
54# define gzclose z_gzclose
55# define gzclose_r z_gzclose_r
56# define gzclose_w z_gzclose_w
57# define gzdirect z_gzdirect
58# define gzdopen z_gzdopen
59# define gzeof z_gzeof
60# define gzerror z_gzerror
61# define gzflush z_gzflush
62# define gzgetc z_gzgetc
63# define gzgets z_gzgets
64# define gzoffset z_gzoffset
65# define gzoffset64 z_gzoffset64
66# define gzopen z_gzopen
67# define gzopen64 z_gzopen64
68# define gzprintf z_gzprintf
69# define gzputc z_gzputc
70# define gzputs z_gzputs
71# define gzread z_gzread
72# define gzrewind z_gzrewind
73# define gzseek z_gzseek
74# define gzseek64 z_gzseek64
75# define gzsetparams z_gzsetparams
76# define gztell z_gztell
77# define gztell64 z_gztell64
78# define gzungetc z_gzungetc
79# define gzwrite z_gzwrite
80# define inflate z_inflate
81# define inflateBack z_inflateBack
82# define inflateBackEnd z_inflateBackEnd
83# define inflateBackInit_ z_inflateBackInit_
84# define inflateCopy z_inflateCopy
85# define inflateEnd z_inflateEnd
86# define inflateGetHeader z_inflateGetHeader
87# define inflateInit2_ z_inflateInit2_
88# define inflateInit_ z_inflateInit_
89# define inflateMark z_inflateMark
90# define inflatePrime z_inflatePrime
91# define inflateReset z_inflateReset
92# define inflateReset2 z_inflateReset2
93# define inflateSetDictionary z_inflateSetDictionary
94# define inflateSync z_inflateSync
95# define inflateSyncPoint z_inflateSyncPoint
96# define inflateUndermine z_inflateUndermine
97# define inflate_copyright z_inflate_copyright
98# define inflate_fast z_inflate_fast
99# define inflate_table z_inflate_table
100# define uncompress z_uncompress
101# define zError z_zError
102# define zcalloc z_zcalloc
103# define zcfree z_zcfree
104# define zlibCompileFlags z_zlibCompileFlags
105# define zlibVersion z_zlibVersion
106
107/* all zlib typedefs in zlib.h and zconf.h */
108# define Byte z_Byte
109# define Bytef z_Bytef
110# define alloc_func z_alloc_func
111# define charf z_charf
112# define free_func z_free_func
113# define gzFile z_gzFile
114# define gz_header z_gz_header
115# define gz_headerp z_gz_headerp
116# define in_func z_in_func
117# define intf z_intf
118# define out_func z_out_func
119# define uInt z_uInt
120# define uIntf z_uIntf
121# define uLong z_uLong
122# define uLongf z_uLongf
123# define voidp z_voidp
124# define voidpc z_voidpc
125# define voidpf z_voidpf
126
127/* all zlib structs in zlib.h and zconf.h */
128# define gz_header_s z_gz_header_s
129# define internal_state z_internal_state
130
131#endif
132
133#if defined(__MSDOS__) && !defined(MSDOS)
134# define MSDOS
135#endif
136#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
137# define OS2
138#endif
139#if defined(_WINDOWS) && !defined(WINDOWS)
140# define WINDOWS
141#endif
142#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
143# ifndef WIN32
144# define WIN32
145# endif
146#endif
147#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
148# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
149# ifndef SYS16BIT
150# define SYS16BIT
151# endif
152# endif
153#endif
154
155/*
156 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
157 * than 64k bytes at a time (needed on systems with 16-bit int).
158 */
159#ifdef SYS16BIT
160# define MAXSEG_64K
161#endif
162#ifdef MSDOS
163# define UNALIGNED_OK
164#endif
165
166#ifdef __STDC_VERSION__
167# ifndef STDC
168# define STDC
169# endif
170# if __STDC_VERSION__ >= 199901L
171# ifndef STDC99
172# define STDC99
173# endif
174# endif
175#endif
176#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
177# define STDC
178#endif
179#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
180# define STDC
181#endif
182#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
183# define STDC
184#endif
185#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
186# define STDC
187#endif
188
189#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
190# define STDC
191#endif
192
193#ifndef STDC
194# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
195# define const /* note: need a more gentle solution here */
196# endif
197#endif
198
199/* Some Mac compilers merge all .h files incorrectly: */
200#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
201# define NO_DUMMY_DECL
202#endif
203
204/* Maximum value for memLevel in deflateInit2 */
205#ifndef MAX_MEM_LEVEL
206# ifdef MAXSEG_64K
207# define MAX_MEM_LEVEL 8
208# else
209# define MAX_MEM_LEVEL 9
210# endif
211#endif
212
213/* Maximum value for windowBits in deflateInit2 and inflateInit2.
214 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
215 * created by gzip. (Files created by minigzip can still be extracted by
216 * gzip.)
217 */
218#ifndef MAX_WBITS
219# define MAX_WBITS 15 /* 32K LZ77 window */
220#endif
221
222/* The memory requirements for deflate are (in bytes):
223 (1 << (windowBits+2)) + (1 << (memLevel+9))
224 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
225 plus a few kilobytes for small objects. For example, if you want to reduce
226 the default memory requirements from 256K to 128K, compile with
227 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
228 Of course this will generally degrade compression (there's no free lunch).
229
230 The memory requirements for inflate are (in bytes) 1 << windowBits
231 that is, 32K for windowBits=15 (default value) plus a few kilobytes
232 for small objects.
233*/
234
235 /* Type declarations */
236
237#ifndef OF /* function prototypes */
238# ifdef STDC
239# define OF(args) args
240# else
241# define OF(args) ()
242# endif
243#endif
244
245/* The following definitions for FAR are needed only for MSDOS mixed
246 * model programming (small or medium model with some far allocations).
247 * This was tested only with MSC; for other MSDOS compilers you may have
248 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
249 * just define FAR to be empty.
250 */
251#ifdef SYS16BIT
252# if defined(M_I86SM) || defined(M_I86MM)
253 /* MSC small or medium model */
254# define SMALL_MEDIUM
255# ifdef _MSC_VER
256# define FAR _far
257# else
258# define FAR far
259# endif
260# endif
261# if (defined(__SMALL__) || defined(__MEDIUM__))
262 /* Turbo C small or medium model */
263# define SMALL_MEDIUM
264# ifdef __BORLANDC__
265# define FAR _far
266# else
267# define FAR far
268# endif
269# endif
270#endif
271
272#if defined(WINDOWS) || defined(WIN32)
273 /* If building or using zlib as a DLL, define ZLIB_DLL.
274 * This is not mandatory, but it offers a little performance increase.
275 */
276# ifdef ZLIB_DLL
277# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
278# ifdef ZLIB_INTERNAL
279# define ZEXTERN extern __declspec(dllexport)
280# else
281# define ZEXTERN extern __declspec(dllimport)
282# endif
283# endif
284# endif /* ZLIB_DLL */
285 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
286 * define ZLIB_WINAPI.
287 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
288 */
289# ifdef ZLIB_WINAPI
290# ifdef FAR
291# undef FAR
292# endif
293# include <windows.h>
294 /* No need for _export, use ZLIB.DEF instead. */
295 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
296# define ZEXPORT WINAPI
297# ifdef WIN32
298# define ZEXPORTVA WINAPIV
299# else
300# define ZEXPORTVA FAR CDECL
301# endif
302# endif
303#endif
304
305#if defined (__BEOS__)
306# ifdef ZLIB_DLL
307# ifdef ZLIB_INTERNAL
308# define ZEXPORT __declspec(dllexport)
309# define ZEXPORTVA __declspec(dllexport)
310# else
311# define ZEXPORT __declspec(dllimport)
312# define ZEXPORTVA __declspec(dllimport)
313# endif
314# endif
315#endif
316
317#ifdef HAVE_VISIBILITY_PRAGMA
318# define ZEXTERN __attribute__((visibility ("default"))) extern
319#endif
320
321#ifndef ZEXTERN
322# define ZEXTERN extern
323#endif
324#ifndef ZEXPORT
325# define ZEXPORT
326#endif
327#ifndef ZEXPORTVA
328# define ZEXPORTVA
329#endif
330
331#ifndef FAR
332# define FAR
333#endif
334
335#if !defined(__MACTYPES__)
336typedef unsigned char Byte; /* 8 bits */
337#endif
338typedef unsigned int uInt; /* 16 bits or more */
339typedef unsigned long uLong; /* 32 bits or more */
340
341#ifdef SMALL_MEDIUM
342 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
343# define Bytef Byte FAR
344#else
345 typedef Byte FAR Bytef;
346#endif
347typedef char FAR charf;
348typedef int FAR intf;
349typedef uInt FAR uIntf;
350typedef uLong FAR uLongf;
351
352#ifdef STDC
353 typedef void const *voidpc;
354 typedef void FAR *voidpf;
355 typedef void *voidp;
356#else
357 typedef Byte const *voidpc;
358 typedef Byte FAR *voidpf;
359 typedef Byte *voidp;
360#endif
361
362#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
363# include <sys/types.h> /* for off_t */
364# include <unistd.h> /* for SEEK_* and off_t */
365# ifdef VMS
366# include <unixio.h> /* for off_t */
367# endif
368# ifndef z_off_t
369# define z_off_t off_t
370# endif
371#endif
372
373#ifdef _LARGEFILE64_SOURCE
374# include <sys/types.h>
375#endif
376
377#ifndef SEEK_SET
378# define SEEK_SET 0 /* Seek from beginning of file. */
379# define SEEK_CUR 1 /* Seek from current position. */
380# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
381#endif
382#ifndef z_off_t
383# define z_off_t long
384#endif
385
386#if defined(__OS400__)
387# define NO_vsnprintf
388#endif
389
390#if defined(__MVS__)
391# define NO_vsnprintf
392#endif
393
394/* MVS linker does not support external names larger than 8 bytes */
395#if defined(__MVS__)
396 #pragma map(deflateInit_,"DEIN")
397 #pragma map(deflateInit2_,"DEIN2")
398 #pragma map(deflateEnd,"DEEND")
399 #pragma map(deflateBound,"DEBND")
400 #pragma map(inflateInit_,"ININ")
401 #pragma map(inflateInit2_,"ININ2")
402 #pragma map(inflateEnd,"INEND")
403 #pragma map(inflateSync,"INSY")
404 #pragma map(inflateSetDictionary,"INSEDI")
405 #pragma map(compressBound,"CMBND")
406 #pragma map(inflate_table,"INTABL")
407 #pragma map(inflate_fast,"INFA")
408 #pragma map(inflate_copyright,"INCOPY")
409#endif
410
411#endif /* ZCONF_H */
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