Bug 864164 followup - Also send the params to the stream when setting the buffer...
[gecko.git] / modules / zlib / src / zconf.h
blob2e0a89f199debf8ace21f92dc17021abbfa9ab02
1 /* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-2012 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
11 /* This header does prefixing as below, but with an updated set of names. */
12 #include "mozzconf.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.
17 * Even better than compiling with -DZ_PREFIX would be to use configure to set
18 * this permanently in zconf.h using "./configure --zprefix".
20 #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
21 # define Z_PREFIX_SET
23 /* all linked symbols */
24 # define _dist_code z__dist_code
25 # define _length_code z__length_code
26 # define _tr_align z__tr_align
27 # define _tr_flush_block z__tr_flush_block
28 # define _tr_init z__tr_init
29 # define _tr_stored_block z__tr_stored_block
30 # define _tr_tally z__tr_tally
31 # define adler32 z_adler32
32 # define adler32_combine z_adler32_combine
33 # define adler32_combine64 z_adler32_combine64
34 # ifndef Z_SOLO
35 # define compress z_compress
36 # define compress2 z_compress2
37 # define compressBound z_compressBound
38 # endif
39 # define crc32 z_crc32
40 # define crc32_combine z_crc32_combine
41 # define crc32_combine64 z_crc32_combine64
42 # define deflate z_deflate
43 # define deflateBound z_deflateBound
44 # define deflateCopy z_deflateCopy
45 # define deflateEnd z_deflateEnd
46 # define deflateInit2_ z_deflateInit2_
47 # define deflateInit_ z_deflateInit_
48 # define deflateParams z_deflateParams
49 # define deflatePending z_deflatePending
50 # define deflatePrime z_deflatePrime
51 # define deflateReset z_deflateReset
52 # define deflateResetKeep z_deflateResetKeep
53 # define deflateSetDictionary z_deflateSetDictionary
54 # define deflateSetHeader z_deflateSetHeader
55 # define deflateTune z_deflateTune
56 # define deflate_copyright z_deflate_copyright
57 # define get_crc_table z_get_crc_table
58 # ifndef Z_SOLO
59 # define gz_error z_gz_error
60 # define gz_intmax z_gz_intmax
61 # define gz_strwinerror z_gz_strwinerror
62 # define gzbuffer z_gzbuffer
63 # define gzclearerr z_gzclearerr
64 # define gzclose z_gzclose
65 # define gzclose_r z_gzclose_r
66 # define gzclose_w z_gzclose_w
67 # define gzdirect z_gzdirect
68 # define gzdopen z_gzdopen
69 # define gzeof z_gzeof
70 # define gzerror z_gzerror
71 # define gzflush z_gzflush
72 # define gzgetc z_gzgetc
73 # define gzgetc_ z_gzgetc_
74 # define gzgets z_gzgets
75 # define gzoffset z_gzoffset
76 # define gzoffset64 z_gzoffset64
77 # define gzopen z_gzopen
78 # define gzopen64 z_gzopen64
79 # ifdef _WIN32
80 # define gzopen_w z_gzopen_w
81 # endif
82 # define gzprintf z_gzprintf
83 # define gzputc z_gzputc
84 # define gzputs z_gzputs
85 # define gzread z_gzread
86 # define gzrewind z_gzrewind
87 # define gzseek z_gzseek
88 # define gzseek64 z_gzseek64
89 # define gzsetparams z_gzsetparams
90 # define gztell z_gztell
91 # define gztell64 z_gztell64
92 # define gzungetc z_gzungetc
93 # define gzwrite z_gzwrite
94 # endif
95 # define inflate z_inflate
96 # define inflateBack z_inflateBack
97 # define inflateBackEnd z_inflateBackEnd
98 # define inflateBackInit_ z_inflateBackInit_
99 # define inflateCopy z_inflateCopy
100 # define inflateEnd z_inflateEnd
101 # define inflateGetHeader z_inflateGetHeader
102 # define inflateInit2_ z_inflateInit2_
103 # define inflateInit_ z_inflateInit_
104 # define inflateMark z_inflateMark
105 # define inflatePrime z_inflatePrime
106 # define inflateReset z_inflateReset
107 # define inflateReset2 z_inflateReset2
108 # define inflateSetDictionary z_inflateSetDictionary
109 # define inflateSync z_inflateSync
110 # define inflateSyncPoint z_inflateSyncPoint
111 # define inflateUndermine z_inflateUndermine
112 # define inflateResetKeep z_inflateResetKeep
113 # define inflate_copyright z_inflate_copyright
114 # define inflate_fast z_inflate_fast
115 # define inflate_table z_inflate_table
116 # ifndef Z_SOLO
117 # define uncompress z_uncompress
118 # endif
119 # define zError z_zError
120 # ifndef Z_SOLO
121 # define zcalloc z_zcalloc
122 # define zcfree z_zcfree
123 # endif
124 # define zlibCompileFlags z_zlibCompileFlags
125 # define zlibVersion z_zlibVersion
127 /* all zlib typedefs in zlib.h and zconf.h */
128 # define Byte z_Byte
129 # define Bytef z_Bytef
130 # define alloc_func z_alloc_func
131 # define charf z_charf
132 # define free_func z_free_func
133 # ifndef Z_SOLO
134 # define gzFile z_gzFile
135 # endif
136 # define gz_header z_gz_header
137 # define gz_headerp z_gz_headerp
138 # define in_func z_in_func
139 # define intf z_intf
140 # define out_func z_out_func
141 # define uInt z_uInt
142 # define uIntf z_uIntf
143 # define uLong z_uLong
144 # define uLongf z_uLongf
145 # define voidp z_voidp
146 # define voidpc z_voidpc
147 # define voidpf z_voidpf
149 /* all zlib structs in zlib.h and zconf.h */
150 # define gz_header_s z_gz_header_s
151 # define internal_state z_internal_state
153 #endif
155 #if defined(__MSDOS__) && !defined(MSDOS)
156 # define MSDOS
157 #endif
158 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
159 # define OS2
160 #endif
161 #if defined(_WINDOWS) && !defined(WINDOWS)
162 # define WINDOWS
163 #endif
164 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
165 # ifndef WIN32
166 # define WIN32
167 # endif
168 #endif
169 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
170 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
171 # ifndef SYS16BIT
172 # define SYS16BIT
173 # endif
174 # endif
175 #endif
178 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
179 * than 64k bytes at a time (needed on systems with 16-bit int).
181 #ifdef SYS16BIT
182 # define MAXSEG_64K
183 #endif
184 #ifdef MSDOS
185 # define UNALIGNED_OK
186 #endif
188 #ifdef __STDC_VERSION__
189 # ifndef STDC
190 # define STDC
191 # endif
192 # if __STDC_VERSION__ >= 199901L
193 # ifndef STDC99
194 # define STDC99
195 # endif
196 # endif
197 #endif
198 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
199 # define STDC
200 #endif
201 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
202 # define STDC
203 #endif
204 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
205 # define STDC
206 #endif
207 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
208 # define STDC
209 #endif
211 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
212 # define STDC
213 #endif
215 #ifndef STDC
216 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
217 # define const /* note: need a more gentle solution here */
218 # endif
219 #endif
221 #if defined(ZLIB_CONST) && !defined(z_const)
222 # define z_const const
223 #else
224 # define z_const
225 #endif
227 /* Some Mac compilers merge all .h files incorrectly: */
228 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
229 # define NO_DUMMY_DECL
230 #endif
232 /* Maximum value for memLevel in deflateInit2 */
233 #ifndef MAX_MEM_LEVEL
234 # ifdef MAXSEG_64K
235 # define MAX_MEM_LEVEL 8
236 # else
237 # define MAX_MEM_LEVEL 9
238 # endif
239 #endif
241 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
242 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
243 * created by gzip. (Files created by minigzip can still be extracted by
244 * gzip.)
246 #ifndef MAX_WBITS
247 # define MAX_WBITS 15 /* 32K LZ77 window */
248 #endif
250 /* The memory requirements for deflate are (in bytes):
251 (1 << (windowBits+2)) + (1 << (memLevel+9))
252 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
253 plus a few kilobytes for small objects. For example, if you want to reduce
254 the default memory requirements from 256K to 128K, compile with
255 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
256 Of course this will generally degrade compression (there's no free lunch).
258 The memory requirements for inflate are (in bytes) 1 << windowBits
259 that is, 32K for windowBits=15 (default value) plus a few kilobytes
260 for small objects.
263 /* Type declarations */
265 #ifndef OF /* function prototypes */
266 # ifdef STDC
267 # define OF(args) args
268 # else
269 # define OF(args) ()
270 # endif
271 #endif
273 #ifndef Z_ARG /* function prototypes for stdarg */
274 # if defined(STDC) || defined(Z_HAVE_STDARG_H)
275 # define Z_ARG(args) args
276 # else
277 # define Z_ARG(args) ()
278 # endif
279 #endif
281 /* The following definitions for FAR are needed only for MSDOS mixed
282 * model programming (small or medium model with some far allocations).
283 * This was tested only with MSC; for other MSDOS compilers you may have
284 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
285 * just define FAR to be empty.
287 #ifdef SYS16BIT
288 # if defined(M_I86SM) || defined(M_I86MM)
289 /* MSC small or medium model */
290 # define SMALL_MEDIUM
291 # ifdef _MSC_VER
292 # define FAR _far
293 # else
294 # define FAR far
295 # endif
296 # endif
297 # if (defined(__SMALL__) || defined(__MEDIUM__))
298 /* Turbo C small or medium model */
299 # define SMALL_MEDIUM
300 # ifdef __BORLANDC__
301 # define FAR _far
302 # else
303 # define FAR far
304 # endif
305 # endif
306 #endif
308 #if defined(WINDOWS) || defined(WIN32)
309 /* If building or using zlib as a DLL, define ZLIB_DLL.
310 * This is not mandatory, but it offers a little performance increase.
312 # ifdef ZLIB_DLL
313 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
314 # ifdef ZLIB_INTERNAL
315 # define ZEXTERN extern __declspec(dllexport)
316 # else
317 # define ZEXTERN extern __declspec(dllimport)
318 # endif
319 # endif
320 # endif /* ZLIB_DLL */
321 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
322 * define ZLIB_WINAPI.
323 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
325 # ifdef ZLIB_WINAPI
326 # ifdef FAR
327 # undef FAR
328 # endif
329 # include <windows.h>
330 /* No need for _export, use ZLIB.DEF instead. */
331 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
332 # define ZEXPORT WINAPI
333 # ifdef WIN32
334 # define ZEXPORTVA WINAPIV
335 # else
336 # define ZEXPORTVA FAR CDECL
337 # endif
338 # endif
339 #endif
341 #if defined (__BEOS__) || (defined(__OS2__) && defined(__declspec))
342 # ifdef ZLIB_DLL
343 # ifdef ZLIB_INTERNAL
344 # define ZEXPORT __declspec(dllexport)
345 # define ZEXPORTVA __declspec(dllexport)
346 # else
347 # define ZEXPORT __declspec(dllimport)
348 # define ZEXPORTVA __declspec(dllimport)
349 # endif
350 # endif
351 #endif
353 #ifndef ZEXTERN
354 # define ZEXTERN extern
355 #endif
356 #ifndef ZEXPORT
357 # define ZEXPORT
358 #endif
359 #ifndef ZEXPORTVA
360 # define ZEXPORTVA
361 #endif
363 #ifndef FAR
364 # define FAR
365 #endif
367 #if !defined(__MACTYPES__)
368 typedef unsigned char Byte; /* 8 bits */
369 #endif
370 typedef unsigned int uInt; /* 16 bits or more */
371 typedef unsigned long uLong; /* 32 bits or more */
373 #ifdef SMALL_MEDIUM
374 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
375 # define Bytef Byte FAR
376 #else
377 typedef Byte FAR Bytef;
378 #endif
379 typedef char FAR charf;
380 typedef int FAR intf;
381 typedef uInt FAR uIntf;
382 typedef uLong FAR uLongf;
384 #ifdef STDC
385 typedef void const *voidpc;
386 typedef void FAR *voidpf;
387 typedef void *voidp;
388 #else
389 typedef Byte const *voidpc;
390 typedef Byte FAR *voidpf;
391 typedef Byte *voidp;
392 #endif
394 /* ./configure may #define Z_U4 here */
396 #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
397 # include <limits.h>
398 # if (UINT_MAX == 0xffffffffUL)
399 # define Z_U4 unsigned
400 # else
401 # if (ULONG_MAX == 0xffffffffUL)
402 # define Z_U4 unsigned long
403 # else
404 # if (USHRT_MAX == 0xffffffffUL)
405 # define Z_U4 unsigned short
406 # endif
407 # endif
408 # endif
409 #endif
411 #ifdef Z_U4
412 typedef Z_U4 z_crc_t;
413 #else
414 typedef unsigned long z_crc_t;
415 #endif
417 #ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
418 # define Z_HAVE_UNISTD_H
419 #endif
421 #ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */
422 # define Z_HAVE_STDARG_H
423 #endif
425 #ifdef STDC
426 # ifndef Z_SOLO
427 # include <sys/types.h> /* for off_t */
428 # endif
429 #endif
431 #ifdef _WIN32
432 # include <stddef.h> /* for wchar_t */
433 #endif
435 /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
436 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
437 * though the former does not conform to the LFS document), but considering
438 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
439 * equivalently requesting no 64-bit operations
441 #if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
442 # undef _LARGEFILE64_SOURCE
443 #endif
445 #if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
446 # define Z_HAVE_UNISTD_H
447 #endif
448 #ifndef Z_SOLO
449 # if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE)
450 # include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
451 # ifdef VMS
452 # include <unixio.h> /* for off_t */
453 # endif
454 # ifndef z_off_t
455 # define z_off_t off_t
456 # endif
457 # endif
458 #endif
460 #if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
461 # define Z_LFS64
462 #endif
464 #if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
465 # define Z_LARGE64
466 #endif
468 #if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
469 # define Z_WANT64
470 #endif
472 #if !defined(SEEK_SET) && !defined(Z_SOLO)
473 # define SEEK_SET 0 /* Seek from beginning of file. */
474 # define SEEK_CUR 1 /* Seek from current position. */
475 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
476 #endif
478 #ifndef z_off_t
479 # define z_off_t long
480 #endif
482 #if !defined(_WIN32) && defined(Z_LARGE64)
483 # define z_off64_t off64_t
484 #else
485 # if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
486 # define z_off64_t __int64
487 # else
488 # define z_off64_t z_off_t
489 # endif
490 #endif
492 /* MVS linker does not support external names larger than 8 bytes */
493 #if defined(__MVS__)
494 #pragma map(deflateInit_,"DEIN")
495 #pragma map(deflateInit2_,"DEIN2")
496 #pragma map(deflateEnd,"DEEND")
497 #pragma map(deflateBound,"DEBND")
498 #pragma map(inflateInit_,"ININ")
499 #pragma map(inflateInit2_,"ININ2")
500 #pragma map(inflateEnd,"INEND")
501 #pragma map(inflateSync,"INSY")
502 #pragma map(inflateSetDictionary,"INSEDI")
503 #pragma map(compressBound,"CMBND")
504 #pragma map(inflate_table,"INTABL")
505 #pragma map(inflate_fast,"INFA")
506 #pragma map(inflate_copyright,"INCOPY")
507 #endif
509 #endif /* ZCONF_H */