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 */
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_WCE) || defined(__WIN32__)
72#  ifndef WIN32
73#    define WIN32
74#  endif
75#endif
76#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
77#  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
78#    ifndef SYS16BIT
79#      define SYS16BIT
80#    endif
81#  endif
82#endif
83
84/*
85 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
86 * than 64k bytes at a time (needed on systems with 16-bit int).
87 */
88#ifdef SYS16BIT
89#  define MAXSEG_64K
90#endif
91#ifdef MSDOS
92#  define UNALIGNED_OK
93#endif
94
95#ifdef __STDC_VERSION__
96#  ifndef STDC
97#    define STDC
98#  endif
99#  if __STDC_VERSION__ >= 199901L
100#    ifndef STDC99
101#      define STDC99
102#    endif
103#  endif
104#endif
105#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
106#  define STDC
107#endif
108#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
109#  define STDC
110#endif
111#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
112#  define STDC
113#endif
114#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
115#  define STDC
116#endif
117
118#if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
119#  define STDC
120#endif
121
122#ifndef STDC
123#  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
124#    define const       /* note: need a more gentle solution here */
125#  endif
126#endif
127
128/* Some Mac compilers merge all .h files incorrectly: */
129#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
130#  define NO_DUMMY_DECL
131#endif
132
133/* Maximum value for memLevel in deflateInit2 */
134#ifndef MAX_MEM_LEVEL
135#  ifdef MAXSEG_64K
136#    define MAX_MEM_LEVEL 8
137#  else
138#    define MAX_MEM_LEVEL 9
139#  endif
140#endif
141
142/* Maximum value for windowBits in deflateInit2 and inflateInit2.
143 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
144 * created by gzip. (Files created by minigzip can still be extracted by
145 * gzip.)
146 */
147#ifndef MAX_WBITS
148#  define MAX_WBITS   15 /* 32K LZ77 window */
149#endif
150
151/* The memory requirements for deflate are (in bytes):
152            (1 << (windowBits+2)) +  (1 << (memLevel+9))
153 that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
154 plus a few kilobytes for small objects. For example, if you want to reduce
155 the default memory requirements from 256K to 128K, compile with
156     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
157 Of course this will generally degrade compression (there's no free lunch).
158
159   The memory requirements for inflate are (in bytes) 1 << windowBits
160 that is, 32K for windowBits=15 (default value) plus a few kilobytes
161 for small objects.
162*/
163
164                        /* Type declarations */
165
166#ifndef OF /* function prototypes */
167#  ifdef STDC
168#    define OF(args)  args
169#  else
170#    define OF(args)  ()
171#  endif
172#endif
173
174/* The following definitions for FAR are needed only for MSDOS mixed
175 * model programming (small or medium model with some far allocations).
176 * This was tested only with MSC; for other MSDOS compilers you may have
177 * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
178 * just define FAR to be empty.
179 */
180#ifdef SYS16BIT
181#  if defined(M_I86SM) || defined(M_I86MM)
182     /* MSC small or medium model */
183#    define SMALL_MEDIUM
184#    ifdef _MSC_VER
185#      define FAR _far
186#    else
187#      define FAR far
188#    endif
189#  endif
190#  if (defined(__SMALL__) || defined(__MEDIUM__))
191     /* Turbo C small or medium model */
192#    define SMALL_MEDIUM
193#    ifdef __BORLANDC__
194#      define FAR _far
195#    else
196#      define FAR far
197#    endif
198#  endif
199#endif
200
201#if defined(WINDOWS) || defined(WIN32)
202   /* If building or using zlib as a DLL, define ZLIB_DLL.
203    * This is not mandatory, but it offers a little performance increase.
204    */
205#  ifdef ZLIB_DLL
206#    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
207#      ifdef ZLIB_INTERNAL
208#        define ZEXTERN extern __declspec(dllexport)
209#      else
210#        define ZEXTERN extern __declspec(dllimport)
211#      endif
212#    endif
213#  endif  /* ZLIB_DLL */
214   /* If building or using zlib with the WINAPI/WINAPIV calling convention,
215    * define ZLIB_WINAPI.
216    * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
217    */
218#  ifdef ZLIB_WINAPI
219#    ifdef FAR
220#      undef FAR
221#    endif
222#    include <windows.h>
223     /* No need for _export, use ZLIB.DEF instead. */
224     /* For complete Windows compatibility, use WINAPI, not __stdcall. */
225#    define ZEXPORT WINAPI
226#    ifdef WIN32
227#      define ZEXPORTVA WINAPIV
228#    else
229#      define ZEXPORTVA FAR CDECL
230#    endif
231#  endif
232#endif
233
234#if defined (__BEOS__)
235#  ifdef ZLIB_DLL
236#    ifdef ZLIB_INTERNAL
237#      define ZEXPORT   __declspec(dllexport)
238#      define ZEXPORTVA __declspec(dllexport)
239#    else
240#      define ZEXPORT   __declspec(dllimport)
241#      define ZEXPORTVA __declspec(dllimport)
242#    endif
243#  endif
244#endif
245
246#ifndef ZEXTERN
247#  define ZEXTERN extern
248#endif
249#ifndef ZEXPORT
250#  define ZEXPORT
251#endif
252#ifndef ZEXPORTVA
253#  define ZEXPORTVA
254#endif
255
256#ifndef FAR
257#  define FAR
258#endif
259
260#if !defined(__MACTYPES__)
261typedef unsigned char  Byte;  /* 8 bits */
262#endif
263typedef unsigned int   uInt;  /* 16 bits or more */
264typedef unsigned long  uLong; /* 32 bits or more */
265
266#ifdef SMALL_MEDIUM
267   /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
268#  define Bytef Byte FAR
269#else
270   typedef Byte  FAR Bytef;
271#endif
272typedef char  FAR charf;
273typedef int   FAR intf;
274typedef uInt  FAR uIntf;
275typedef uLong FAR uLongf;
276
277#ifdef STDC
278   typedef void const *voidpc;
279   typedef void FAR   *voidpf;
280   typedef void       *voidp;
281#else
282   typedef Byte const *voidpc;
283   typedef Byte FAR   *voidpf;
284   typedef Byte       *voidp;
285#endif
286
287#if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
288#  include <sys/types.h> /* for off_t */
289#  include <unistd.h>    /* for SEEK_* and off_t */
290#  ifdef VMS
291#    include <unixio.h>   /* for off_t */
292#  endif
293#  define z_off_t off_t
294#endif
295#ifndef SEEK_SET
296#  define SEEK_SET        0       /* Seek from beginning of file.  */
297#  define SEEK_CUR        1       /* Seek from current position.  */
298#  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
299#endif
300#ifndef z_off_t
301#  define z_off_t long
302#endif
303
304#if defined(__OS400__)
305#  define NO_vsnprintf
306#endif
307
308#if defined(__MVS__)
309#  define NO_vsnprintf
310#  ifdef FAR
311#    undef FAR
312#  endif
313#endif
314
315/* MVS linker does not support external names larger than 8 bytes */
316#if defined(__MVS__)
317#   pragma map(deflateInit_,"DEIN")
318#   pragma map(deflateInit2_,"DEIN2")
319#   pragma map(deflateEnd,"DEEND")
320#   pragma map(deflateBound,"DEBND")
321#   pragma map(inflateInit_,"ININ")
322#   pragma map(inflateInit2_,"ININ2")
323#   pragma map(inflateEnd,"INEND")
324#   pragma map(inflateSync,"INSY")
325#   pragma map(inflateSetDictionary,"INSEDI")
326#   pragma map(compressBound,"CMBND")
327#   pragma map(inflate_table,"INTABL")
328#   pragma map(inflate_fast,"INFA")
329#   pragma map(inflate_copyright,"INCOPY")
330#endif
331
332#endif /* ZCONF_H */
333