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1 /* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-1998 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 inflateInit2_ z_inflateInit2_
28 # define inflateSetDictionary z_inflateSetDictionary
29 # define inflateSync z_inflateSync
30 # define inflateSyncPoint z_inflateSyncPoint
31 # define inflateReset z_inflateReset
32 # define compress z_compress
33 # define compress2 z_compress2
34 # define uncompress z_uncompress
35 # define adler32 z_adler32
36 # define crc32 z_crc32
37 # define get_crc_table z_get_crc_table
38
39 # define Byte z_Byte
40 # define uInt z_uInt
41 # define uLong z_uLong
42 # define Bytef z_Bytef
43 # define charf z_charf
44 # define intf z_intf
45 # define uIntf z_uIntf
46 # define uLongf z_uLongf
47 # define voidpf z_voidpf
48 # define voidp z_voidp
49 #endif
50
51 #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
52 # define WIN32
53 #endif
54 #if defined(__GNUC__) || defined(WIN32) || defined(OS232) || defined(__386__) || defined(i386)
55 # ifndef __32BIT__
56 # define __32BIT__
57 # endif
58 #endif
59 #if defined(__MSDOS__) && !defined(MSDOS)
60 # define MSDOS
61 #endif
62
63 /*
64 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
65 * than 64k bytes at a time (needed on systems with 16-bit int).
66 */
67 #if defined(MSDOS) && !defined(__32BIT__)
68 # define MAXSEG_64K
69 #endif
70 #ifdef MSDOS
71 # define UNALIGNED_OK
72 #endif
73
74 #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32) || defined(OS232)) && !defined(STDC)
75 # define STDC
76 #endif
77 #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
78 # ifndef STDC
79 # define STDC
80 # endif
81 #endif
82
83 #ifndef STDC
84 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
85 # define const
86 # endif
87 #endif
88
89 /* Some Mac compilers merge all .h files incorrectly: */
90 #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
91 # define NO_DUMMY_DECL
92 #endif
93
94 /* Borland C incorrectly complains about missing returns: */
95 #if defined(__BORLANDC__)
96 # define NEED_DUMMY_RETURN
97 #endif
98
99
100 /* Maximum value for memLevel in deflateInit2 */
101 #ifndef MAX_MEM_LEVEL
102 # ifdef MAXSEG_64K
103 # define MAX_MEM_LEVEL 8
104 # else
105 # define MAX_MEM_LEVEL 9
106 # endif
107 #endif
108
109 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
110 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
111 * created by gzip. (Files created by minigzip can still be extracted by
112 * gzip.)
113 */
114 #ifndef MAX_WBITS
115 # define MAX_WBITS 15 /* 32K LZ77 window */
116 #endif
117
118 /* The memory requirements for deflate are (in bytes):
119 (1 << (windowBits+2)) + (1 << (memLevel+9))
120 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
121 plus a few kilobytes for small objects. For example, if you want to reduce
122 the default memory requirements from 256K to 128K, compile with
123 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
124 Of course this will generally degrade compression (there's no free lunch).
125
126 The memory requirements for inflate are (in bytes) 1 << windowBits
127 that is, 32K for windowBits=15 (default value) plus a few kilobytes
128 for small objects.
129 */
130
131 /* Type declarations */
132
133 #ifndef OF /* function prototypes */
134 # ifdef STDC
135 # define OF(args) args
136 # else
137 # define OF(args) ()
138 # endif
139 #endif
140
141 /* The following definitions for FAR are needed only for MSDOS mixed
142 * model programming (small or medium model with some far allocations).
143 * This was tested only with MSC; for other MSDOS compilers you may have
144 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
145 * just define FAR to be empty.
146 */
147 #if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
148 /* MSC small or medium model */
149 # define SMALL_MEDIUM
150 # ifdef _MSC_VER
151 # define FAR __far
152 # else
153 # define FAR far
154 # endif
155 #endif
156 #if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
157 # ifndef __32BIT__
158 # define SMALL_MEDIUM
159 # define FAR __far
160 # endif
161 #endif
162
163 /* Compile with -DZLIB_DLL for Windows DLL support */
164 #if (defined(_WINDOWS) || defined(WINDOWS)) && defined(ZLIB_DLL)
165 # ifdef FAR
166 # undef FAR
167 # endif
168 # include <windows.h>
169 # define ZEXPORT WINAPI
170 # ifdef WIN32
171 # define ZEXPORTVA WINAPIV
172 # else
173 # define ZEXPORTVA FAR _cdecl _export
174 # endif
175 #else
176 # if defined (__BORLANDC__) && defined (_Windows) && defined (__DLL__)
177 # define ZEXPORT _export
178 # define ZEXPORTVA _export
179 # else
180 # define ZEXPORT
181 # define ZEXPORTVA
182 # endif
183 #endif
184
185 #ifndef FAR
186 # define FAR
187 #endif
188
189 typedef unsigned char Byte; /* 8 bits */
190 typedef unsigned int uInt; /* 16 bits or more */
191 typedef unsigned long uLong; /* 32 bits or more */
192
193 #if defined(__BORLANDC__) && defined(SMALL_MEDIUM)
194 /* Borland C/C++ ignores FAR inside typedef */
195 # define Bytef Byte FAR
196 #else
197 typedef Byte FAR Bytef;
198 #endif
199 #if defined(__VISAGECPP__)
200 # define Bytef Byte FAR
201 #endif
202 typedef char FAR charf;
203 typedef int FAR intf;
204 typedef uInt FAR uIntf;
205 typedef uLong FAR uLongf;
206
207 #ifdef STDC
208 typedef void FAR *voidpf;
209 typedef void *voidp;
210 #else
211 typedef Byte FAR *voidpf;
212 typedef Byte *voidp;
213 #endif
214
215 #ifdef HAVE_UNISTD_H
216 # include <sys/types.h> /* for off_t */
217 # include <unistd.h> /* for SEEK_* and off_t */
218 # define z_off_t off_t
219 #endif
220 #ifndef SEEK_SET
221 # define SEEK_SET 0 /* Seek from beginning of file. */
222 # define SEEK_CUR 1 /* Seek from current position. */
223 #endif
224 #ifndef z_off_t
225 # define z_off_t long
226 #endif
227
228 /* MVS linker does not support external names larger than 8 bytes */
229 #if defined(__MVS__)
230 # pragma map(deflateInit_,"DEIN")
231 # pragma map(deflateInit2_,"DEIN2")
232 # pragma map(deflateEnd,"DEEND")
233 # pragma map(inflateInit_,"ININ")
234 # pragma map(inflateInit2_,"ININ2")
235 # pragma map(inflateEnd,"INEND")
236 # pragma map(inflateSync,"INSY")
237 # pragma map(inflateSetDictionary,"INSEDI")
238 # pragma map(inflate_blocks,"INBL")
239 # pragma map(inflate_blocks_new,"INBLNE")
240 # pragma map(inflate_blocks_free,"INBLFR")
241 # pragma map(inflate_blocks_reset,"INBLRE")
242 # pragma map(inflate_codes_free,"INCOFR")
243 # pragma map(inflate_codes,"INCO")
244 # pragma map(inflate_fast,"INFA")
245 # pragma map(inflate_flush,"INFLU")
246 # pragma map(inflate_mask,"INMA")
247 # pragma map(inflate_set_dictionary,"INSEDI2")
248 # pragma map(inflate_copyright,"INCOPY")
249 # pragma map(inflate_trees_bits,"INTRBI")
250 # pragma map(inflate_trees_dynamic,"INTRDY")
251 # pragma map(inflate_trees_fixed,"INTRFI")
252 # pragma map(inflate_trees_free,"INTRFR")
253 #endif
254
255 #endif /* _ZCONF_H */