* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
[official-gcc.git] / zlib / zconf.in.h
blob3cea897eda7975b0bc82a97e01bbbde230def9d8
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 */
6 /* @(#) $Id$ */
8 #ifndef ZCONF_H
9 #define ZCONF_H
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.
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 deflatePrime z_deflatePrime
27 # define deflateParams z_deflateParams
28 # define deflateBound z_deflateBound
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 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
41 # define get_crc_table z_get_crc_table
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
53 #endif
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
64 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
65 # define WIN32
66 #endif
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
72 # endif
73 #endif
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).
79 #ifdef SYS16BIT
80 # define MAXSEG_64K
81 #endif
82 #ifdef MSDOS
83 # define UNALIGNED_OK
84 #endif
86 #ifdef __STDC_VERSION__
87 # ifndef STDC
88 # define STDC
89 # endif
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
109 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
110 # define STDC
111 #endif
113 #ifndef STDC
114 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
115 # define const /* note: need a more gentle solution here */
116 # endif
117 #endif
119 /* Some Mac compilers merge all .h files incorrectly: */
120 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
121 # define NO_DUMMY_DECL
122 #endif
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
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.)
138 #ifndef MAX_WBITS
139 # define MAX_WBITS 15 /* 32K LZ77 window */
140 #endif
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).
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.
155 /* Type declarations */
157 #ifndef OF /* function prototypes */
158 # ifdef STDC
159 # define OF(args) args
160 # else
161 # define OF(args) ()
162 # endif
163 #endif
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.
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
180 # endif
181 # if (defined(__SMALL__) || defined(__MEDIUM__))
182 /* Turbo C small or medium model */
183 # define SMALL_MEDIUM
184 # ifdef __BORLANDC__
185 # define FAR _far
186 # else
187 # define FAR far
188 # endif
189 # endif
190 #endif
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.
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)
202 # endif
203 # endif
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.
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
222 # endif
223 #endif
225 #if defined (__BEOS__)
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
234 # endif
235 #endif
237 #ifndef ZEXTERN
238 # define ZEXTERN extern
239 #endif
240 #ifndef ZEXPORT
241 # define ZEXPORT
242 #endif
243 #ifndef ZEXPORTVA
244 # define ZEXPORTVA
245 #endif
247 #ifndef FAR
248 # define FAR
249 #endif
251 #if !defined(__MACTYPES__)
252 typedef unsigned char Byte; /* 8 bits */
253 #endif
254 typedef unsigned int uInt; /* 16 bits or more */
255 typedef unsigned long uLong; /* 32 bits or more */
257 #ifdef SMALL_MEDIUM
258 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
259 # define Bytef Byte FAR
260 #else
261 typedef Byte FAR Bytef;
262 #endif
263 typedef char FAR charf;
264 typedef int FAR intf;
265 typedef uInt FAR uIntf;
266 typedef uLong FAR uLongf;
268 #ifdef STDC
269 typedef void const *voidpc;
270 typedef void FAR *voidpf;
271 typedef void *voidp;
272 #else
273 typedef Byte const *voidpc;
274 typedef Byte FAR *voidpf;
275 typedef Byte *voidp;
276 #endif
278 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
279 # include <sys/types.h> /* for off_t */
280 # include <unistd.h> /* for SEEK_* and off_t */
281 # ifdef VMS
282 # include <unixio.h> /* for off_t */
283 # endif
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. */
289 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
290 #endif
291 #ifndef z_off_t
292 # define z_off_t long
293 #endif
295 #if defined(__OS400__)
296 #define NO_vsnprintf
297 #endif
299 #if defined(__MVS__)
300 # define NO_vsnprintf
301 # ifdef FAR
302 # undef FAR
303 # endif
304 #endif
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")
311 # pragma map(deflateBound,"DEBND")
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")
317 # pragma map(compressBound,"CMBND")
318 # pragma map(inflate_table,"INTABL")
319 # pragma map(inflate_fast,"INFA")
320 # pragma map(inflate_copyright,"INCOPY")
321 #endif
323 #endif /* ZCONF_H */