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c801d85f 1/* zconf.h -- configuration of the zlib compression library
51dbdf87 2 * Copyright (C) 1995-2003 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_
c801d85f 23# define deflateSetDictionary z_deflateSetDictionary
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24# define deflateCopy z_deflateCopy
25# define deflateReset z_deflateReset
26# define deflatePrime z_deflatePrime
27# define deflateParams z_deflateParams
28# define deflateBound z_deflateBound
29# define inflateInit2_ z_inflateInit2_
c801d85f 30# define inflateSetDictionary z_inflateSetDictionary
51dbdf87 31# define inflateSync z_inflateSync
c801d85f 32# define inflateSyncPoint z_inflateSyncPoint
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33# define inflateCopy z_inflateCopy
34# define inflateReset z_inflateReset
35# define compress z_compress
36# define compress2 z_compress2
37# define compressBound z_compressBound
38# define uncompress z_uncompress
39# define adler32 z_adler32
40# define crc32 z_crc32
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41# define get_crc_table z_get_crc_table
42
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43# define Byte z_Byte
44# define uInt z_uInt
45# define uLong z_uLong
46# define Bytef z_Bytef
47# define charf z_charf
48# define intf z_intf
49# define uIntf z_uIntf
50# define uLongf z_uLongf
51# define voidpf z_voidpf
52# define voidp z_voidp
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53#endif
54
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55#if defined(__MSDOS__) && !defined(MSDOS)
56# define MSDOS
57#endif
58#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
59# define OS2
60#endif
61#if defined(_WINDOWS) && !defined(WINDOWS)
62# define WINDOWS
63#endif
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64#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
65# define WIN32
66#endif
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67#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
68# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
69# ifndef SYS16BIT
70# define SYS16BIT
71# endif
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72# endif
73#endif
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74
75/*
76 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
77 * than 64k bytes at a time (needed on systems with 16-bit int).
78 */
51dbdf87 79#ifdef SYS16BIT
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80# define MAXSEG_64K
81#endif
82#ifdef MSDOS
83# define UNALIGNED_OK
84#endif
85
51dbdf87 86#ifdef __STDC_VERSION__
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87# ifndef STDC
88# define STDC
89# endif
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90# if __STDC_VERSION__ >= 199901L
91# ifndef STDC99
92# define STDC99
93# endif
94# endif
95#endif
96#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
97# define STDC
98#endif
99#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
100# define STDC
101#endif
102#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
103# define STDC
104#endif
105#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
106# define STDC
107#endif
108
109#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
110# define STDC
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111#endif
112
113#ifndef STDC
114# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
51dbdf87 115# define const /* note: need a more gentle solution here */
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116# endif
117#endif
118
119/* Some Mac compilers merge all .h files incorrectly: */
51dbdf87 120#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
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121# define NO_DUMMY_DECL
122#endif
123
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124/* Maximum value for memLevel in deflateInit2 */
125#ifndef MAX_MEM_LEVEL
126# ifdef MAXSEG_64K
127# define MAX_MEM_LEVEL 8
128# else
129# define MAX_MEM_LEVEL 9
130# endif
131#endif
132
133/* Maximum value for windowBits in deflateInit2 and inflateInit2.
134 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
135 * created by gzip. (Files created by minigzip can still be extracted by
136 * gzip.)
137 */
138#ifndef MAX_WBITS
139# define MAX_WBITS 15 /* 32K LZ77 window */
140#endif
141
142/* The memory requirements for deflate are (in bytes):
143 (1 << (windowBits+2)) + (1 << (memLevel+9))
144 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
145 plus a few kilobytes for small objects. For example, if you want to reduce
146 the default memory requirements from 256K to 128K, compile with
147 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
148 Of course this will generally degrade compression (there's no free lunch).
149
150 The memory requirements for inflate are (in bytes) 1 << windowBits
151 that is, 32K for windowBits=15 (default value) plus a few kilobytes
152 for small objects.
153*/
154
155 /* Type declarations */
156
157#ifndef OF /* function prototypes */
158# ifdef STDC
159# define OF(args) args
160# else
161# define OF(args) ()
162# endif
163#endif
164
165/* The following definitions for FAR are needed only for MSDOS mixed
166 * model programming (small or medium model with some far allocations).
167 * This was tested only with MSC; for other MSDOS compilers you may have
168 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
169 * just define FAR to be empty.
170 */
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171#ifdef SYS16BIT
172# if defined(M_I86SM) || defined(M_I86MM)
173 /* MSC small or medium model */
174# define SMALL_MEDIUM
175# ifdef _MSC_VER
176# define FAR _far
177# else
178# define FAR far
179# endif
c801d85f 180# endif
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181# if (defined(__SMALL__) || defined(__MEDIUM__))
182 /* Turbo C small or medium model */
c801d85f 183# define SMALL_MEDIUM
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184# ifdef __BORLANDC__
185# define FAR _far
186# else
187# define FAR far
188# endif
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189# endif
190#endif
191
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192#if defined(WINDOWS) || defined(WIN32)
193 /* If building or using zlib as a DLL, define ZLIB_DLL.
194 * This is not mandatory, but it offers a little performance increase.
195 */
196# ifdef ZLIB_DLL
197# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
198# ifdef ZLIB_INTERNAL
199# define ZEXTERN extern __declspec(dllexport)
200# else
201# define ZEXTERN extern __declspec(dllimport)
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202# endif
203# endif
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204# endif /* ZLIB_DLL */
205 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
206 * define ZLIB_WINAPI.
207 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
208 */
209# ifdef ZLIB_WINAPI
210# ifdef FAR
211# undef FAR
212# endif
213# include <windows.h>
214 /* No need for _export, use ZLIB.DEF instead. */
215 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
216# define ZEXPORT WINAPI
217# ifdef WIN32
218# define ZEXPORTVA WINAPIV
219# else
220# define ZEXPORTVA FAR CDECL
221# endif
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222# endif
223#endif
224
225#if defined (__BEOS__)
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226# ifdef ZLIB_DLL
227# ifdef ZLIB_INTERNAL
228# define ZEXPORT __declspec(dllexport)
229# define ZEXPORTVA __declspec(dllexport)
230# else
231# define ZEXPORT __declspec(dllimport)
232# define ZEXPORTVA __declspec(dllimport)
233# endif
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234# endif
235#endif
236
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237#ifndef ZEXTERN
238# define ZEXTERN extern
239#endif
a4019ec2 240#ifndef ZEXPORT
51dbdf87 241# define ZEXPORT
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242#endif
243#ifndef ZEXPORTVA
51dbdf87 244# define ZEXPORTVA
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245#endif
246
247#ifndef FAR
51dbdf87 248# define FAR
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249#endif
250
51dbdf87 251#if !defined(__MACTYPES__)
c801d85f 252typedef unsigned char Byte; /* 8 bits */
a4019ec2 253#endif
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254typedef unsigned int uInt; /* 16 bits or more */
255typedef unsigned long uLong; /* 32 bits or more */
256
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257#ifdef SMALL_MEDIUM
258 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
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259# define Bytef Byte FAR
260#else
261 typedef Byte FAR Bytef;
262#endif
263typedef char FAR charf;
264typedef int FAR intf;
265typedef uInt FAR uIntf;
266typedef uLong FAR uLongf;
267
268#ifdef STDC
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269 typedef void const *voidpc;
270 typedef void FAR *voidpf;
271 typedef void *voidp;
c801d85f 272#else
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273 typedef Byte const *voidpc;
274 typedef Byte FAR *voidpf;
275 typedef Byte *voidp;
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276#endif
277
51dbdf87 278#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
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279# include <sys/types.h> /* for off_t */
280# include <unistd.h> /* for SEEK_* and off_t */
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281# ifdef VMS
282# include <unixio.h> /* for off_t */
283# endif
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284# define z_off_t off_t
285#endif
286#ifndef SEEK_SET
287# define SEEK_SET 0 /* Seek from beginning of file. */
288# define SEEK_CUR 1 /* Seek from current position. */
a4019ec2 289# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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290#endif
291#ifndef z_off_t
292# define z_off_t long
293#endif
294
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295#if defined(__OS400__)
296#define NO_vsnprintf
297#endif
298
299#if defined(__MVS__)
300# define NO_vsnprintf
301# ifdef FAR
302# undef FAR
303# endif
304#endif
305
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306/* MVS linker does not support external names larger than 8 bytes */
307#if defined(__MVS__)
308# pragma map(deflateInit_,"DEIN")
309# pragma map(deflateInit2_,"DEIN2")
310# pragma map(deflateEnd,"DEEND")
51dbdf87 311# pragma map(deflateBound,"DEBND")
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312# pragma map(inflateInit_,"ININ")
313# pragma map(inflateInit2_,"ININ2")
314# pragma map(inflateEnd,"INEND")
315# pragma map(inflateSync,"INSY")
316# pragma map(inflateSetDictionary,"INSEDI")
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317# pragma map(compressBound,"CMBND")
318# pragma map(inflate_table,"INTABL")
c801d85f 319# pragma map(inflate_fast,"INFA")
c801d85f 320# pragma map(inflate_copyright,"INCOPY")
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321#endif
322
51dbdf87 323#endif /* ZCONF_H */