source: rtems/cpukit/zlib/zconf.h @ 89bace6

4.104.11
Last change on this file since 89bace6 was 959f7df2, checked in by Ralf Corsepius <ralf.corsepius@…>, on Oct 28, 2005 at 7:22:42 AM

Import of zlib-1.2.2.2.tar.gz

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1/* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-2004 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6/* @(#) $Id$ */
7
8#ifndef ZCONF_H
9#define ZCONF_H
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
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
45
46#  define alloc_func            z_alloc_func
47#  define free_func             z_free_func
48#  define in_func               z_in_func
49#  define out_func              z_out_func
50#  define Byte                  z_Byte
51#  define uInt                  z_uInt
52#  define uLong                 z_uLong
53#  define Bytef                 z_Bytef
54#  define charf                 z_charf
55#  define intf                  z_intf
56#  define uIntf                 z_uIntf
57#  define uLongf                z_uLongf
58#  define voidpf                z_voidpf
59#  define voidp                 z_voidp
60#endif
61
62#if defined(__MSDOS__) && !defined(MSDOS)
63#  define MSDOS
64#endif
65#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
66#  define OS2
67#endif
68#if defined(_WINDOWS) && !defined(WINDOWS)
69#  define WINDOWS
70#endif
71#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
72#  define WIN32
73#endif
74#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
75#  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
76#    ifndef SYS16BIT
77#      define SYS16BIT
78#    endif
79#  endif
80#endif
81
82/*
83 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
84 * than 64k bytes at a time (needed on systems with 16-bit int).
85 */
86#ifdef SYS16BIT
87#  define MAXSEG_64K
88#endif
89#ifdef MSDOS
90#  define UNALIGNED_OK
91#endif
92
93#ifdef __STDC_VERSION__
94#  ifndef STDC
95#    define STDC
96#  endif
97#  if __STDC_VERSION__ >= 199901L
98#    ifndef STDC99
99#      define STDC99
100#    endif
101#  endif
102#endif
103#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
104#  define STDC
105#endif
106#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
107#  define STDC
108#endif
109#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
110#  define STDC
111#endif
112#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
113#  define STDC
114#endif
115
116#if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
117#  define STDC
118#endif
119
120#ifndef STDC
121#  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
122#    define const       /* note: need a more gentle solution here */
123#  endif
124#endif
125
126/* Some Mac compilers merge all .h files incorrectly: */
127#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
128#  define NO_DUMMY_DECL
129#endif
130
131/* Maximum value for memLevel in deflateInit2 */
132#ifndef MAX_MEM_LEVEL
133#  ifdef MAXSEG_64K
134#    define MAX_MEM_LEVEL 8
135#  else
136#    define MAX_MEM_LEVEL 9
137#  endif
138#endif
139
140/* Maximum value for windowBits in deflateInit2 and inflateInit2.
141 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
142 * created by gzip. (Files created by minigzip can still be extracted by
143 * gzip.)
144 */
145#ifndef MAX_WBITS
146#  define MAX_WBITS   15 /* 32K LZ77 window */
147#endif
148
149/* The memory requirements for deflate are (in bytes):
150            (1 << (windowBits+2)) +  (1 << (memLevel+9))
151 that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
152 plus a few kilobytes for small objects. For example, if you want to reduce
153 the default memory requirements from 256K to 128K, compile with
154     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
155 Of course this will generally degrade compression (there's no free lunch).
156
157   The memory requirements for inflate are (in bytes) 1 << windowBits
158 that is, 32K for windowBits=15 (default value) plus a few kilobytes
159 for small objects.
160*/
161
162                        /* Type declarations */
163
164#ifndef OF /* function prototypes */
165#  ifdef STDC
166#    define OF(args)  args
167#  else
168#    define OF(args)  ()
169#  endif
170#endif
171
172/* The following definitions for FAR are needed only for MSDOS mixed
173 * model programming (small or medium model with some far allocations).
174 * This was tested only with MSC; for other MSDOS compilers you may have
175 * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
176 * just define FAR to be empty.
177 */
178#ifdef SYS16BIT
179#  if defined(M_I86SM) || defined(M_I86MM)
180     /* MSC small or medium model */
181#    define SMALL_MEDIUM
182#    ifdef _MSC_VER
183#      define FAR _far
184#    else
185#      define FAR far
186#    endif
187#  endif
188#  if (defined(__SMALL__) || defined(__MEDIUM__))
189     /* Turbo C small or medium model */
190#    define SMALL_MEDIUM
191#    ifdef __BORLANDC__
192#      define FAR _far
193#    else
194#      define FAR far
195#    endif
196#  endif
197#endif
198
199#if defined(WINDOWS) || defined(WIN32)
200   /* If building or using zlib as a DLL, define ZLIB_DLL.
201    * This is not mandatory, but it offers a little performance increase.
202    */
203#  ifdef ZLIB_DLL
204#    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
205#      ifdef ZLIB_INTERNAL
206#        define ZEXTERN extern __declspec(dllexport)
207#      else
208#        define ZEXTERN extern __declspec(dllimport)
209#      endif
210#    endif
211#  endif  /* ZLIB_DLL */
212   /* If building or using zlib with the WINAPI/WINAPIV calling convention,
213    * define ZLIB_WINAPI.
214    * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
215    */
216#  ifdef ZLIB_WINAPI
217#    ifdef FAR
218#      undef FAR
219#    endif
220#    include <windows.h>
221     /* No need for _export, use ZLIB.DEF instead. */
222     /* For complete Windows compatibility, use WINAPI, not __stdcall. */
223#    define ZEXPORT WINAPI
224#    ifdef WIN32
225#      define ZEXPORTVA WINAPIV
226#    else
227#      define ZEXPORTVA FAR CDECL
228#    endif
229#  endif
230#endif
231
232#if defined (__BEOS__)
233#  ifdef ZLIB_DLL
234#    ifdef ZLIB_INTERNAL
235#      define ZEXPORT   __declspec(dllexport)
236#      define ZEXPORTVA __declspec(dllexport)
237#    else
238#      define ZEXPORT   __declspec(dllimport)
239#      define ZEXPORTVA __declspec(dllimport)
240#    endif
241#  endif
242#endif
243
244#ifndef ZEXTERN
245#  define ZEXTERN extern
246#endif
247#ifndef ZEXPORT
248#  define ZEXPORT
249#endif
250#ifndef ZEXPORTVA
251#  define ZEXPORTVA
252#endif
253
254#ifndef FAR
255#  define FAR
256#endif
257
258#if !defined(__MACTYPES__)
259typedef unsigned char  Byte;  /* 8 bits */
260#endif
261typedef unsigned int   uInt;  /* 16 bits or more */
262typedef unsigned long  uLong; /* 32 bits or more */
263
264#ifdef SMALL_MEDIUM
265   /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
266#  define Bytef Byte FAR
267#else
268   typedef Byte  FAR Bytef;
269#endif
270typedef char  FAR charf;
271typedef int   FAR intf;
272typedef uInt  FAR uIntf;
273typedef uLong FAR uLongf;
274
275#ifdef STDC
276   typedef void const *voidpc;
277   typedef void FAR   *voidpf;
278   typedef void       *voidp;
279#else
280   typedef Byte const *voidpc;
281   typedef Byte FAR   *voidpf;
282   typedef Byte       *voidp;
283#endif
284
285#if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
286#  include <sys/types.h> /* for off_t */
287#  include <unistd.h>    /* for SEEK_* and off_t */
288#  ifdef VMS
289#    include <unixio.h>   /* for off_t */
290#  endif
291#  define z_off_t off_t
292#endif
293#ifndef SEEK_SET
294#  define SEEK_SET        0       /* Seek from beginning of file.  */
295#  define SEEK_CUR        1       /* Seek from current position.  */
296#  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
297#endif
298#ifndef z_off_t
299#  define z_off_t long
300#endif
301
302#if defined(__OS400__)
303#  define NO_vsnprintf
304#endif
305
306#if defined(__MVS__)
307#  define NO_vsnprintf
308#  ifdef FAR
309#    undef FAR
310#  endif
311#endif
312
313/* MVS linker does not support external names larger than 8 bytes */
314#if defined(__MVS__)
315#   pragma map(deflateInit_,"DEIN")
316#   pragma map(deflateInit2_,"DEIN2")
317#   pragma map(deflateEnd,"DEEND")
318#   pragma map(deflateBound,"DEBND")
319#   pragma map(inflateInit_,"ININ")
320#   pragma map(inflateInit2_,"ININ2")
321#   pragma map(inflateEnd,"INEND")
322#   pragma map(inflateSync,"INSY")
323#   pragma map(inflateSetDictionary,"INSEDI")
324#   pragma map(compressBound,"CMBND")
325#   pragma map(inflate_table,"INTABL")
326#   pragma map(inflate_fast,"INFA")
327#   pragma map(inflate_copyright,"INCOPY")
328#endif
329
330#endif /* ZCONF_H */
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