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1/* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-2003 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 inflateInit2_ z_inflateInit2_
29# define inflateSetDictionary z_inflateSetDictionary
30# define inflateSync z_inflateSync
31# define inflateSyncPoint z_inflateSyncPoint
32# define inflateCopy z_inflateCopy
33# define inflateReset z_inflateReset
34# define compress z_compress
35# define compress2 z_compress2
36# define compressBound z_compressBound
37# define uncompress z_uncompress
38# define adler32 z_adler32
39# define crc32 z_crc32
40# define get_crc_table z_get_crc_table
41
42# define Byte z_Byte
43# define uInt z_uInt
44# define uLong z_uLong
45# define Bytef z_Bytef
46# define charf z_charf
47# define intf z_intf
48# define uIntf z_uIntf
49# define uLongf z_uLongf
50# define voidpf z_voidpf
51# define voidp z_voidp
52#endif
53
54#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
55# define WIN32
56#endif
57#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
58# ifndef __32BIT__
59# define __32BIT__
60# endif
61#endif
62#if defined(__MSDOS__) && !defined(MSDOS)
63# define MSDOS
64#endif
65
66/*
67 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
68 * than 64k bytes at a time (needed on systems with 16-bit int).
69 */
70#if defined(MSDOS) && !defined(__32BIT__)
71# define MAXSEG_64K
72#endif
73#ifdef MSDOS
74# define UNALIGNED_OK
75#endif
76
77#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC)
78# define STDC
79#endif
80#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
81# ifndef STDC
82# define STDC
83# endif
84#endif
85
86#if defined __HOS_AIX__
87# ifndef STDC
88# define STDC
89# endif
90#endif
91
92#ifndef STDC
93# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
94# define const /* note: need a more gentle solution here */
95# endif
96#endif
97
98/* Some Mac compilers merge all .h files incorrectly: */
99#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
100# define NO_DUMMY_DECL
101#endif
102
103/* Old Borland C incorrectly complains about missing returns: */
104#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
105# define NEED_DUMMY_RETURN
106#endif
107
108
109/* Maximum value for memLevel in deflateInit2 */
110#ifndef MAX_MEM_LEVEL
111# ifdef MAXSEG_64K
112# define MAX_MEM_LEVEL 8
113# else
114# define MAX_MEM_LEVEL 9
115# endif
116#endif
117
118/* Maximum value for windowBits in deflateInit2 and inflateInit2.
119 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
120 * created by gzip. (Files created by minigzip can still be extracted by
121 * gzip.)
122 */
123#ifndef MAX_WBITS
124# define MAX_WBITS 15 /* 32K LZ77 window */
125#endif
126
127/* The memory requirements for deflate are (in bytes):
128 (1 << (windowBits+2)) + (1 << (memLevel+9))
129 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
130 plus a few kilobytes for small objects. For example, if you want to reduce
131 the default memory requirements from 256K to 128K, compile with
132 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
133 Of course this will generally degrade compression (there's no free lunch).
134
135 The memory requirements for inflate are (in bytes) 1 << windowBits
136 that is, 32K for windowBits=15 (default value) plus a few kilobytes
137 for small objects.
138*/
139
140 /* Type declarations */
141
142#ifndef OF /* function prototypes */
143# ifdef STDC
144# define OF(args) args
145# else
146# define OF(args) ()
147# endif
148#endif
149
150/* The following definitions for FAR are needed only for MSDOS mixed
151 * model programming (small or medium model with some far allocations).
152 * This was tested only with MSC; for other MSDOS compilers you may have
153 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
154 * just define FAR to be empty.
155 */
156#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
157 /* MSC small or medium model */
158# define SMALL_MEDIUM
159# ifdef _MSC_VER
160# define FAR _far
161# else
162# define FAR far
163# endif
164#endif
165#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
166# ifndef __32BIT__
167# define SMALL_MEDIUM
168# define FAR _far
169# endif
170#endif
171
172/* Compile with -DZLIB_DLL for Windows DLL support */
173#if defined(ZLIB_DLL)
174# if defined(_WINDOWS) || defined(WINDOWS)
175# ifdef FAR
176# undef FAR
177# endif
178# include <windows.h>
179# define ZEXPORT WINAPI
180# ifdef WIN32
181# define ZEXPORTVA WINAPIV
182# else
183# define ZEXPORTVA FAR _cdecl _export
184# endif
185# endif
186# if defined (__BORLANDC__)
187# if (__BORLANDC__ >= 0x0500) && defined (WIN32)
188# include <windows.h>
189# define ZEXPORT __declspec(dllexport) WINAPI
190# define ZEXPORTRVA __declspec(dllexport) WINAPIV
191# else
192# if defined (_Windows) && defined (__DLL__)
193# define ZEXPORT _export
194# define ZEXPORTVA _export
195# endif
196# endif
197# endif
198#endif
199
200#if defined (__BEOS__)
201# if defined (ZLIB_DLL)
202# define ZEXTERN extern __declspec(dllexport)
203# else
204# define ZEXTERN extern __declspec(dllimport)
205# endif
206#endif
207
208#ifndef ZEXPORT
209# define ZEXPORT
210#endif
211#ifndef ZEXPORTVA
212# define ZEXPORTVA
213#endif
214#ifndef ZEXTERN
215# define ZEXTERN extern
216#endif
217
218#ifndef FAR
219# define FAR
220#endif
221
222#if !defined(__MACTYPES__)
223typedef unsigned char Byte; /* 8 bits */
224#endif
225typedef unsigned int uInt; /* 16 bits or more */
226typedef unsigned long uLong; /* 32 bits or more */
227
228#ifdef SMALL_MEDIUM
229 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
230# define Bytef Byte FAR
231#else
232 typedef Byte FAR Bytef;
233#endif
234typedef char FAR charf;
235typedef int FAR intf;
236typedef uInt FAR uIntf;
237typedef uLong FAR uLongf;
238
239#ifdef STDC
240 typedef void const *voidpc;
241 typedef void FAR *voidpf;
242 typedef void *voidp;
243#else
244 typedef Byte const *voidpc;
245 typedef Byte FAR *voidpf;
246 typedef Byte *voidp;
247#endif
248
249#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
250# include <sys/types.h> /* for off_t */
251# include <unistd.h> /* for SEEK_* and off_t */
252# define z_off_t off_t
253#endif
254#ifndef SEEK_SET
255# define SEEK_SET 0 /* Seek from beginning of file. */
256# define SEEK_CUR 1 /* Seek from current position. */
257# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
258#endif
259#ifndef z_off_t
260# define z_off_t long
261#endif
262
263/* MVS linker does not support external names larger than 8 bytes */
264#if defined(__MVS__)
265# pragma map(deflateInit_,"DEIN")
266# pragma map(deflateInit2_,"DEIN2")
267# pragma map(deflateEnd,"DEEND")
268# pragma map(deflateBound,"DEBND")
269# pragma map(inflateInit_,"ININ")
270# pragma map(inflateInit2_,"ININ2")
271# pragma map(inflateEnd,"INEND")
272# pragma map(inflateSync,"INSY")
273# pragma map(inflateSetDictionary,"INSEDI")
274# pragma map(compressBound,"CMBND")
275# pragma map(inflate_table,"INTABL")
276# pragma map(inflate_fast,"INFA")
277# pragma map(inflate_copyright,"INCOPY")
278#endif
279
280#endif /* _ZCONF_H */