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1 | /* zconf.h -- configuration of the zlib compression library |
2 | * Copyright (C) 1995-1998 Jean-loup Gailly. | |
e6ebb514 | 3 | * For conditions of distribution and use, see copyright notice in zlib.h |
c801d85f KB |
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 | |
e6ebb514 | 54 | #if defined(__GNUC__) || defined(WIN32) || defined(OS232) || defined(__386__) || defined(i386) |
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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 | ||
e6ebb514 | 74 | #if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32) || defined(OS232)) && !defined(STDC) |
c801d85f KB |
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 | |
e6ebb514 DW |
199 | #if defined(__VISAGECPP__) |
200 | # define Bytef Byte FAR | |
201 | #endif | |
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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 */ |