Annotation of sys/lib/libz/zconf.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: zconf.h,v 1.10 2005/07/20 15:56:46 millert Exp $ */
2: /* zconf.h -- configuration of the zlib compression library
3: * Copyright (C) 1995-2005 Jean-loup Gailly.
4: * For conditions of distribution and use, see copyright notice in zlib.h
5: */
6:
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__)
261: typedef unsigned char Byte; /* 8 bits */
262: #endif
263: typedef unsigned int uInt; /* 16 bits or more */
264: typedef 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
272: typedef char FAR charf;
273: typedef int FAR intf;
274: typedef uInt FAR uIntf;
275: typedef 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: #include <sys/types.h> /* for off_t */
288: #include <sys/unistd.h> /* for SEEK_* and off_t */
289: #define z_off_t off_t
290: #ifndef SEEK_SET
291: # define SEEK_SET 0 /* Seek from beginning of file. */
292: # define SEEK_CUR 1 /* Seek from current position. */
293: # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
294: #endif
295:
296: #if defined(__OS400__)
297: #define NO_vsnprintf
298: #endif
299:
300: #if defined(__MVS__)
301: # define NO_vsnprintf
302: # ifdef FAR
303: # undef FAR
304: # endif
305: #endif
306:
307: /* MVS linker does not support external names larger than 8 bytes */
308: #if defined(__MVS__)
309: # pragma map(deflateInit_,"DEIN")
310: # pragma map(deflateInit2_,"DEIN2")
311: # pragma map(deflateEnd,"DEEND")
312: # pragma map(deflateBound,"DEBND")
313: # pragma map(inflateInit_,"ININ")
314: # pragma map(inflateInit2_,"ININ2")
315: # pragma map(inflateEnd,"INEND")
316: # pragma map(inflateSync,"INSY")
317: # pragma map(inflateSetDictionary,"INSEDI")
318: # pragma map(compressBound,"CMBND")
319: # pragma map(inflate_table,"INTABL")
320: # pragma map(inflate_fast,"INFA")
321: # pragma map(inflate_copyright,"INCOPY")
322: #endif
323:
324: #endif /* ZCONF_H */
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