Better fix
[wxWidgets.git] / src / zlib / zconf.h
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c801d85f 1/* zconf.h -- configuration of the zlib compression library
41faf807 2 * Copyright (C) 1995-2005 Jean-loup Gailly.
e6ebb514 3 * For conditions of distribution and use, see copyright notice in zlib.h
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4 */
5
6/* @(#) $Id$ */
7
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8#ifndef ZCONF_H
9#define ZCONF_H
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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
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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
c801d85f 45
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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
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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
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60#endif
61
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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
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71#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
72# ifndef WIN32
73# define WIN32
74# endif
c801d85f 75#endif
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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
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81# endif
82#endif
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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 */
51dbdf87 88#ifdef SYS16BIT
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89# define MAXSEG_64K
90#endif
91#ifdef MSDOS
92# define UNALIGNED_OK
93#endif
94
51dbdf87 95#ifdef __STDC_VERSION__
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96# ifndef STDC
97# define STDC
98# endif
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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
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120#endif
121
122#ifndef STDC
123# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
51dbdf87 124# define const /* note: need a more gentle solution here */
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125# endif
126#endif
127
128/* Some Mac compilers merge all .h files incorrectly: */
51dbdf87 129#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
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130# define NO_DUMMY_DECL
131#endif
132
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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 */
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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
c801d85f 189# endif
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190# if (defined(__SMALL__) || defined(__MEDIUM__))
191 /* Turbo C small or medium model */
c801d85f 192# define SMALL_MEDIUM
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193# ifdef __BORLANDC__
194# define FAR _far
195# else
196# define FAR far
197# endif
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198# endif
199#endif
200
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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)
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211# endif
212# endif
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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
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231# endif
232#endif
233
234#if defined (__BEOS__)
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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
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243# endif
244#endif
245
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246#ifndef ZEXTERN
247# define ZEXTERN extern
248#endif
a4019ec2 249#ifndef ZEXPORT
51dbdf87 250# define ZEXPORT
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251#endif
252#ifndef ZEXPORTVA
51dbdf87 253# define ZEXPORTVA
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254#endif
255
256#ifndef FAR
51dbdf87 257# define FAR
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258#endif
259
51dbdf87 260#if !defined(__MACTYPES__)
c801d85f 261typedef unsigned char Byte; /* 8 bits */
a4019ec2 262#endif
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263typedef unsigned int uInt; /* 16 bits or more */
264typedef unsigned long uLong; /* 32 bits or more */
265
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266#ifdef SMALL_MEDIUM
267 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
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268# define Bytef Byte FAR
269#else
270 typedef Byte FAR Bytef;
271#endif
272typedef char FAR charf;
273typedef int FAR intf;
274typedef uInt FAR uIntf;
275typedef uLong FAR uLongf;
276
277#ifdef STDC
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278 typedef void const *voidpc;
279 typedef void FAR *voidpf;
280 typedef void *voidp;
c801d85f 281#else
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282 typedef Byte const *voidpc;
283 typedef Byte FAR *voidpf;
284 typedef Byte *voidp;
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285#endif
286
51dbdf87 287#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
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288# include <sys/types.h> /* for off_t */
289# include <unistd.h> /* for SEEK_* and off_t */
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290# ifdef VMS
291# include <unixio.h> /* for off_t */
292# endif
ba0052f3 293# define z_off_t off_t
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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. */
a4019ec2 298# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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299#endif
300#ifndef z_off_t
ba0052f3 301# define z_off_t long
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302#endif
303
51dbdf87 304#if defined(__OS400__)
ba0052f3 305# define NO_vsnprintf
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306#endif
307
308#if defined(__MVS__)
309# define NO_vsnprintf
310# ifdef FAR
311# undef FAR
312# endif
313#endif
314
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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")
51dbdf87 320# pragma map(deflateBound,"DEBND")
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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")
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326# pragma map(compressBound,"CMBND")
327# pragma map(inflate_table,"INTABL")
c801d85f 328# pragma map(inflate_fast,"INFA")
c801d85f 329# pragma map(inflate_copyright,"INCOPY")
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330#endif
331
51dbdf87 332#endif /* ZCONF_H */