zconf.h revision 17651 
1/* zconf.h -- configuration of the zlib compression library
2 * Copyright (C) 1995-1996 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6/* $Id: zconf.h,v 1.20 1996/07/02 15:09:28 me Exp $ */
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 inflateReset	z_inflateReset
31#  define compress	z_compress
32#  define uncompress	z_uncompress
33#  define adler32	z_adler32
34#  define crc32		z_crc32
35#  define get_crc_table z_get_crc_table
36
37#  define Byte		z_Byte
38#  define uInt		z_uInt
39#  define uLong		z_uLong
40#  define Bytef	        z_Bytef
41#  define charf		z_charf
42#  define intf		z_intf
43#  define uIntf		z_uIntf
44#  define uLongf	z_uLongf
45#  define voidpf	z_voidpf
46#  define voidp		z_voidp
47#endif
48
49#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
50#  define WIN32
51#endif
52#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
53#  ifndef __32BIT__
54#    define __32BIT__
55#  endif
56#endif
57#if defined(__MSDOS__) && !defined(MSDOS)
58#  define MSDOS
59#endif
60
61/*
62 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
63 * than 64k bytes at a time (needed on systems with 16-bit int).
64 */
65#if defined(MSDOS) && !defined(__32BIT__)
66#  define MAXSEG_64K
67#endif
68#ifdef MSDOS
69#  define UNALIGNED_OK
70#endif
71
72#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32))  && !defined(STDC)
73#  define STDC
74#endif
75#if (defined(__STDC__) || defined(__cplusplus)) && !defined(STDC)
76#  define STDC
77#endif
78
79#ifndef STDC
80#  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
81#    define const
82#  endif
83#endif
84
85/* Some Mac compilers merge all .h files incorrectly: */
86#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
87#  define NO_DUMMY_DECL
88#endif
89
90/* Maximum value for memLevel in deflateInit2 */
91#ifndef MAX_MEM_LEVEL
92#  ifdef MAXSEG_64K
93#    define MAX_MEM_LEVEL 8
94#  else
95#    define MAX_MEM_LEVEL 9
96#  endif
97#endif
98
99/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
100#ifndef MAX_WBITS
101#  define MAX_WBITS   15 /* 32K LZ77 window */
102#endif
103
104/* The memory requirements for deflate are (in bytes):
105            1 << (windowBits+2)   +  1 << (memLevel+9)
106 that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
107 plus a few kilobytes for small objects. For example, if you want to reduce
108 the default memory requirements from 256K to 128K, compile with
109     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
110 Of course this will generally degrade compression (there's no free lunch).
111
112   The memory requirements for inflate are (in bytes) 1 << windowBits
113 that is, 32K for windowBits=15 (default value) plus a few kilobytes
114 for small objects.
115*/
116
117                        /* Type declarations */
118
119#ifndef OF /* function prototypes */
120#  ifdef STDC
121#    define OF(args)  args
122#  else
123#    define OF(args)  ()
124#  endif
125#endif
126
127/* The following definitions for FAR are needed only for MSDOS mixed
128 * model programming (small or medium model with some far allocations).
129 * This was tested only with MSC; for other MSDOS compilers you may have
130 * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
131 * just define FAR to be empty.
132 */
133#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
134   /* MSC small or medium model */
135#  define SMALL_MEDIUM
136#  ifdef _MSC_VER
137#    define FAR __far
138#  else
139#    define FAR far
140#  endif
141#endif
142#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
143#  ifndef __32BIT__
144#    define SMALL_MEDIUM
145#    define FAR __far
146#  endif
147#endif
148#ifndef FAR
149#   define FAR
150#endif
151
152typedef unsigned char  Byte;  /* 8 bits */
153typedef unsigned int   uInt;  /* 16 bits or more */
154typedef unsigned long  uLong; /* 32 bits or more */
155
156#if defined(__BORLANDC__) && defined(SMALL_MEDIUM)
157   /* Borland C/C++ ignores FAR inside typedef */
158#  define Bytef Byte FAR
159#else
160   typedef Byte  FAR Bytef;
161#endif
162typedef char  FAR charf;
163typedef int   FAR intf;
164typedef uInt  FAR uIntf;
165typedef uLong FAR uLongf;
166
167#ifdef STDC
168   typedef void FAR *voidpf;
169   typedef void     *voidp;
170#else
171   typedef Byte FAR *voidpf;
172   typedef Byte     *voidp;
173#endif
174
175
176/* Compile with -DZLIB_DLL for Windows DLL support */
177#if (defined(_WINDOWS) || defined(WINDOWS)) && defined(ZLIB_DLL)
178#  include <windows.h>
179#  define EXPORT  WINAPI
180#else
181#  define EXPORT
182#endif
183
184#endif /* _ZCONF_H */
185