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c801d85f 1/* zconf.h -- configuration of the zlib compression library
ba0052f3 2 * Copyright (C) 1995-2004 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 Byte z_Byte
47# define uInt z_uInt
48# define uLong z_uLong
49# define Bytef z_Bytef
50# define charf z_charf
51# define intf z_intf
52# define uIntf z_uIntf
53# define uLongf z_uLongf
54# define voidpf z_voidpf
55# define voidp z_voidp
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56#endif
57
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58#if defined(__MSDOS__) && !defined(MSDOS)
59# define MSDOS
60#endif
61#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
62# define OS2
63#endif
64#if defined(_WINDOWS) && !defined(WINDOWS)
65# define WINDOWS
66#endif
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67#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
68# define WIN32
69#endif
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70#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
71# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
72# ifndef SYS16BIT
73# define SYS16BIT
74# endif
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75# endif
76#endif
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77
78/*
79 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
80 * than 64k bytes at a time (needed on systems with 16-bit int).
81 */
51dbdf87 82#ifdef SYS16BIT
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83# define MAXSEG_64K
84#endif
85#ifdef MSDOS
86# define UNALIGNED_OK
87#endif
88
51dbdf87 89#ifdef __STDC_VERSION__
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90# ifndef STDC
91# define STDC
92# endif
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93# if __STDC_VERSION__ >= 199901L
94# ifndef STDC99
95# define STDC99
96# endif
97# endif
98#endif
99#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
100# define STDC
101#endif
102#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
103# define STDC
104#endif
105#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
106# define STDC
107#endif
108#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
109# define STDC
110#endif
111
112#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
113# define STDC
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114#endif
115
116#ifndef STDC
117# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
51dbdf87 118# define const /* note: need a more gentle solution here */
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119# endif
120#endif
121
122/* Some Mac compilers merge all .h files incorrectly: */
51dbdf87 123#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
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124# define NO_DUMMY_DECL
125#endif
126
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127/* Maximum value for memLevel in deflateInit2 */
128#ifndef MAX_MEM_LEVEL
129# ifdef MAXSEG_64K
130# define MAX_MEM_LEVEL 8
131# else
132# define MAX_MEM_LEVEL 9
133# endif
134#endif
135
136/* Maximum value for windowBits in deflateInit2 and inflateInit2.
137 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
138 * created by gzip. (Files created by minigzip can still be extracted by
139 * gzip.)
140 */
141#ifndef MAX_WBITS
142# define MAX_WBITS 15 /* 32K LZ77 window */
143#endif
144
145/* The memory requirements for deflate are (in bytes):
146 (1 << (windowBits+2)) + (1 << (memLevel+9))
147 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
148 plus a few kilobytes for small objects. For example, if you want to reduce
149 the default memory requirements from 256K to 128K, compile with
150 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
151 Of course this will generally degrade compression (there's no free lunch).
152
153 The memory requirements for inflate are (in bytes) 1 << windowBits
154 that is, 32K for windowBits=15 (default value) plus a few kilobytes
155 for small objects.
156*/
157
158 /* Type declarations */
159
160#ifndef OF /* function prototypes */
161# ifdef STDC
162# define OF(args) args
163# else
164# define OF(args) ()
165# endif
166#endif
167
168/* The following definitions for FAR are needed only for MSDOS mixed
169 * model programming (small or medium model with some far allocations).
170 * This was tested only with MSC; for other MSDOS compilers you may have
171 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
172 * just define FAR to be empty.
173 */
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174#ifdef SYS16BIT
175# if defined(M_I86SM) || defined(M_I86MM)
176 /* MSC small or medium model */
177# define SMALL_MEDIUM
178# ifdef _MSC_VER
179# define FAR _far
180# else
181# define FAR far
182# endif
c801d85f 183# endif
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184# if (defined(__SMALL__) || defined(__MEDIUM__))
185 /* Turbo C small or medium model */
c801d85f 186# define SMALL_MEDIUM
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187# ifdef __BORLANDC__
188# define FAR _far
189# else
190# define FAR far
191# endif
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192# endif
193#endif
194
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195#if defined(WINDOWS) || defined(WIN32)
196 /* If building or using zlib as a DLL, define ZLIB_DLL.
197 * This is not mandatory, but it offers a little performance increase.
198 */
199# ifdef ZLIB_DLL
200# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
201# ifdef ZLIB_INTERNAL
202# define ZEXTERN extern __declspec(dllexport)
203# else
204# define ZEXTERN extern __declspec(dllimport)
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205# endif
206# endif
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207# endif /* ZLIB_DLL */
208 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
209 * define ZLIB_WINAPI.
210 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
211 */
212# ifdef ZLIB_WINAPI
213# ifdef FAR
214# undef FAR
215# endif
216# include <windows.h>
217 /* No need for _export, use ZLIB.DEF instead. */
218 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
219# define ZEXPORT WINAPI
220# ifdef WIN32
221# define ZEXPORTVA WINAPIV
222# else
223# define ZEXPORTVA FAR CDECL
224# endif
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225# endif
226#endif
227
228#if defined (__BEOS__)
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229# ifdef ZLIB_DLL
230# ifdef ZLIB_INTERNAL
231# define ZEXPORT __declspec(dllexport)
232# define ZEXPORTVA __declspec(dllexport)
233# else
234# define ZEXPORT __declspec(dllimport)
235# define ZEXPORTVA __declspec(dllimport)
236# endif
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237# endif
238#endif
239
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240#ifndef ZEXTERN
241# define ZEXTERN extern
242#endif
a4019ec2 243#ifndef ZEXPORT
51dbdf87 244# define ZEXPORT
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245#endif
246#ifndef ZEXPORTVA
51dbdf87 247# define ZEXPORTVA
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248#endif
249
250#ifndef FAR
51dbdf87 251# define FAR
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252#endif
253
51dbdf87 254#if !defined(__MACTYPES__)
c801d85f 255typedef unsigned char Byte; /* 8 bits */
a4019ec2 256#endif
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257typedef unsigned int uInt; /* 16 bits or more */
258typedef unsigned long uLong; /* 32 bits or more */
259
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260#ifdef SMALL_MEDIUM
261 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
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262# define Bytef Byte FAR
263#else
264 typedef Byte FAR Bytef;
265#endif
266typedef char FAR charf;
267typedef int FAR intf;
268typedef uInt FAR uIntf;
269typedef uLong FAR uLongf;
270
271#ifdef STDC
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272 typedef void const *voidpc;
273 typedef void FAR *voidpf;
274 typedef void *voidp;
c801d85f 275#else
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276 typedef Byte const *voidpc;
277 typedef Byte FAR *voidpf;
278 typedef Byte *voidp;
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279#endif
280
51dbdf87 281#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
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282# include <sys/types.h> /* for off_t */
283# include <unistd.h> /* for SEEK_* and off_t */
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284# ifdef VMS
285# include <unixio.h> /* for off_t */
286# endif
ba0052f3 287# define z_off_t off_t
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288#endif
289#ifndef SEEK_SET
290# define SEEK_SET 0 /* Seek from beginning of file. */
291# define SEEK_CUR 1 /* Seek from current position. */
a4019ec2 292# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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293#endif
294#ifndef z_off_t
ba0052f3 295# define z_off_t long
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296#endif
297
51dbdf87 298#if defined(__OS400__)
ba0052f3 299# define NO_vsnprintf
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300#endif
301
302#if defined(__MVS__)
303# define NO_vsnprintf
304# ifdef FAR
305# undef FAR
306# endif
307#endif
308
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309/* MVS linker does not support external names larger than 8 bytes */
310#if defined(__MVS__)
311# pragma map(deflateInit_,"DEIN")
312# pragma map(deflateInit2_,"DEIN2")
313# pragma map(deflateEnd,"DEEND")
51dbdf87 314# pragma map(deflateBound,"DEBND")
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315# pragma map(inflateInit_,"ININ")
316# pragma map(inflateInit2_,"ININ2")
317# pragma map(inflateEnd,"INEND")
318# pragma map(inflateSync,"INSY")
319# pragma map(inflateSetDictionary,"INSEDI")
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320# pragma map(compressBound,"CMBND")
321# pragma map(inflate_table,"INTABL")
c801d85f 322# pragma map(inflate_fast,"INFA")
c801d85f 323# pragma map(inflate_copyright,"INCOPY")
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324#endif
325
51dbdf87 326#endif /* ZCONF_H */