s3: Fix a typo
[Samba.git] / lib / zlib / zconf.h
blob3742ad41066e25bc253cee1506ea2ddff7ed18ff
1 /* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-2005 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
6 /* @(#) $Id$ */
8 #include "replace.h"
9 #define Z_PREFIX
11 #ifndef ZCONF_H
12 #define ZCONF_H
15 * If you *really* need a unique prefix for all types and library functions,
16 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
18 #ifdef Z_PREFIX
19 # define deflateInit_ z_deflateInit_
20 # define deflate z_deflate
21 # define deflateEnd z_deflateEnd
22 # define inflateInit_ z_inflateInit_
23 # define inflate z_inflate
24 # define inflateEnd z_inflateEnd
25 # define deflateInit2_ z_deflateInit2_
26 # define deflateSetDictionary z_deflateSetDictionary
27 # define deflateCopy z_deflateCopy
28 # define deflateReset z_deflateReset
29 # define deflateParams z_deflateParams
30 # define deflateBound z_deflateBound
31 # define deflatePrime z_deflatePrime
32 # define inflateInit2_ z_inflateInit2_
33 # define inflateSetDictionary z_inflateSetDictionary
34 # define inflateSync z_inflateSync
35 # define inflateSyncPoint z_inflateSyncPoint
36 # define inflateCopy z_inflateCopy
37 # define inflateReset z_inflateReset
38 # define inflateBack z_inflateBack
39 # define inflateBackEnd z_inflateBackEnd
40 # define compress z_compress
41 # define compress2 z_compress2
42 # define compressBound z_compressBound
43 # define uncompress z_uncompress
44 # define adler32 z_adler32
45 # define crc32 z_crc32
46 # define get_crc_table z_get_crc_table
47 # define zError z_zError
49 # define alloc_func z_alloc_func
50 # define free_func z_free_func
51 # define in_func z_in_func
52 # define out_func z_out_func
53 # define Byte z_Byte
54 # define uInt z_uInt
55 # define uLong z_uLong
56 # define Bytef z_Bytef
57 # define charf z_charf
58 # define intf z_intf
59 # define uIntf z_uIntf
60 # define uLongf z_uLongf
61 # define voidpf z_voidpf
62 # define voidp z_voidp
63 #endif
65 #if defined(__MSDOS__) && !defined(MSDOS)
66 # define MSDOS
67 #endif
68 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
69 # define OS2
70 #endif
71 #if defined(_WINDOWS) && !defined(WINDOWS)
72 # define WINDOWS
73 #endif
74 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
75 # ifndef WIN32
76 # define WIN32
77 # endif
78 #endif
79 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
80 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
81 # ifndef SYS16BIT
82 # define SYS16BIT
83 # endif
84 # endif
85 #endif
88 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
89 * than 64k bytes at a time (needed on systems with 16-bit int).
91 #ifdef SYS16BIT
92 # define MAXSEG_64K
93 #endif
94 #ifdef MSDOS
95 # define UNALIGNED_OK
96 #endif
98 #ifdef __STDC_VERSION__
99 # ifndef STDC
100 # define STDC
101 # endif
102 # if __STDC_VERSION__ >= 199901L
103 # ifndef STDC99
104 # define STDC99
105 # endif
106 # endif
107 #endif
108 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
109 # define STDC
110 #endif
111 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
112 # define STDC
113 #endif
114 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
115 # define STDC
116 #endif
117 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
118 # define STDC
119 #endif
121 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
122 # define STDC
123 #endif
125 #ifndef STDC
126 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
127 # define const /* note: need a more gentle solution here */
128 # endif
129 #endif
131 /* Some Mac compilers merge all .h files incorrectly: */
132 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
133 # define NO_DUMMY_DECL
134 #endif
136 /* Maximum value for memLevel in deflateInit2 */
137 #ifndef MAX_MEM_LEVEL
138 # ifdef MAXSEG_64K
139 # define MAX_MEM_LEVEL 8
140 # else
141 # define MAX_MEM_LEVEL 9
142 # endif
143 #endif
145 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
146 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
147 * created by gzip. (Files created by minigzip can still be extracted by
148 * gzip.)
150 #ifndef MAX_WBITS
151 # define MAX_WBITS 15 /* 32K LZ77 window */
152 #endif
154 /* The memory requirements for deflate are (in bytes):
155 (1 << (windowBits+2)) + (1 << (memLevel+9))
156 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
157 plus a few kilobytes for small objects. For example, if you want to reduce
158 the default memory requirements from 256K to 128K, compile with
159 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
160 Of course this will generally degrade compression (there's no free lunch).
162 The memory requirements for inflate are (in bytes) 1 << windowBits
163 that is, 32K for windowBits=15 (default value) plus a few kilobytes
164 for small objects.
167 /* Type declarations */
169 #ifndef OF /* function prototypes */
170 # ifdef STDC
171 # define OF(args) args
172 # else
173 # define OF(args) ()
174 # endif
175 #endif
177 /* The following definitions for FAR are needed only for MSDOS mixed
178 * model programming (small or medium model with some far allocations).
179 * This was tested only with MSC; for other MSDOS compilers you may have
180 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
181 * just define FAR to be empty.
183 #ifdef SYS16BIT
184 # if defined(M_I86SM) || defined(M_I86MM)
185 /* MSC small or medium model */
186 # define SMALL_MEDIUM
187 # ifdef _MSC_VER
188 # define FAR _far
189 # else
190 # define FAR far
191 # endif
192 # endif
193 # if (defined(__SMALL__) || defined(__MEDIUM__))
194 /* Turbo C small or medium model */
195 # define SMALL_MEDIUM
196 # ifdef __BORLANDC__
197 # define FAR _far
198 # else
199 # define FAR far
200 # endif
201 # endif
202 #endif
204 #if defined(WINDOWS) || defined(WIN32)
205 /* If building or using zlib as a DLL, define ZLIB_DLL.
206 * This is not mandatory, but it offers a little performance increase.
208 # ifdef ZLIB_DLL
209 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
210 # ifdef ZLIB_INTERNAL
211 # define ZEXTERN extern __declspec(dllexport)
212 # else
213 # define ZEXTERN extern __declspec(dllimport)
214 # endif
215 # endif
216 # endif /* ZLIB_DLL */
217 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
218 * define ZLIB_WINAPI.
219 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
221 # ifdef ZLIB_WINAPI
222 # ifdef FAR
223 # undef FAR
224 # endif
225 # include <windows.h>
226 /* No need for _export, use ZLIB.DEF instead. */
227 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
228 # define ZEXPORT WINAPI
229 # ifdef WIN32
230 # define ZEXPORTVA WINAPIV
231 # else
232 # define ZEXPORTVA FAR CDECL
233 # endif
234 # endif
235 #endif
237 #if defined (__BEOS__)
238 # ifdef ZLIB_DLL
239 # ifdef ZLIB_INTERNAL
240 # define ZEXPORT __declspec(dllexport)
241 # define ZEXPORTVA __declspec(dllexport)
242 # else
243 # define ZEXPORT __declspec(dllimport)
244 # define ZEXPORTVA __declspec(dllimport)
245 # endif
246 # endif
247 #endif
249 #ifndef ZEXTERN
250 # define ZEXTERN extern
251 #endif
252 #ifndef ZEXPORT
253 # define ZEXPORT
254 #endif
255 #ifndef ZEXPORTVA
256 # define ZEXPORTVA
257 #endif
259 #ifndef FAR
260 # define FAR
261 #endif
263 #if !defined(__MACTYPES__)
264 typedef unsigned char Byte; /* 8 bits */
265 #endif
266 typedef unsigned int uInt; /* 16 bits or more */
267 typedef unsigned long uLong; /* 32 bits or more */
269 #ifdef SMALL_MEDIUM
270 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
271 # define Bytef Byte FAR
272 #else
273 typedef Byte FAR Bytef;
274 #endif
275 typedef char FAR charf;
276 typedef int FAR intf;
277 typedef uInt FAR uIntf;
278 typedef uLong FAR uLongf;
280 #ifdef STDC
281 typedef void const *voidpc;
282 typedef void FAR *voidpf;
283 typedef void *voidp;
284 #else
285 typedef Byte const *voidpc;
286 typedef Byte FAR *voidpf;
287 typedef Byte *voidp;
288 #endif
290 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
291 # include <sys/types.h> /* for off_t */
292 # include <unistd.h> /* for SEEK_* and off_t */
293 # ifdef VMS
294 # include <unixio.h> /* for off_t */
295 # endif
296 # define z_off_t off_t
297 #endif
298 #ifndef SEEK_SET
299 # define SEEK_SET 0 /* Seek from beginning of file. */
300 # define SEEK_CUR 1 /* Seek from current position. */
301 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
302 #endif
303 #ifndef z_off_t
304 # define z_off_t long
305 #endif
307 #if defined(__OS400__)
308 # define NO_vsnprintf
309 #endif
311 #if defined(__MVS__)
312 # define NO_vsnprintf
313 # ifdef FAR
314 # undef FAR
315 # endif
316 #endif
318 /* MVS linker does not support external names larger than 8 bytes */
319 #if defined(__MVS__)
320 # pragma map(deflateInit_,"DEIN")
321 # pragma map(deflateInit2_,"DEIN2")
322 # pragma map(deflateEnd,"DEEND")
323 # pragma map(deflateBound,"DEBND")
324 # pragma map(inflateInit_,"ININ")
325 # pragma map(inflateInit2_,"ININ2")
326 # pragma map(inflateEnd,"INEND")
327 # pragma map(inflateSync,"INSY")
328 # pragma map(inflateSetDictionary,"INSEDI")
329 # pragma map(compressBound,"CMBND")
330 # pragma map(inflate_table,"INTABL")
331 # pragma map(inflate_fast,"INFA")
332 # pragma map(inflate_copyright,"INCOPY")
333 #endif
335 #endif /* ZCONF_H */