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path: root/pwmanager/libcrypt/zlib/zutil.h
authorzautrix <zautrix>2004-10-19 20:16:14 (UTC)
committer zautrix <zautrix>2004-10-19 20:16:14 (UTC)
commiteca49bb06a71980ef61d078904573f25890fc7f2 (patch) (unidiff)
treec5338e3b12430248979a9ac2c1c7e6646ea9ecdf /pwmanager/libcrypt/zlib/zutil.h
parent53cc32b6e7b1f672bf91b2baf2df6c1e8baf3e0a (diff)
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Initial revision
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1/* zutil.h -- internal interface and configuration of the compression library
2 * Copyright (C) 1995-2002 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6/* WARNING: this file should *not* be used by applications. It is
7 part of the implementation of the compression library and is
8 subject to change. Applications should only use zlib.h.
9 */
10
11/* @(#) $Id$ */
12
13#ifndef _Z_UTIL_H
14#define _Z_UTIL_H
15
16#include "zlib.h"
17
18#ifdef STDC
19# include <stddef.h>
20# include <string.h>
21# include <stdlib.h>
22#endif
23#ifdef NO_ERRNO_H
24 extern int errno;
25#else
26# include <errno.h>
27#endif
28
29#ifndef local
30# define local static
31#endif
32/* compile with -Dlocal if your debugger can't find static symbols */
33
34typedef unsigned char uch;
35typedef uch FAR uchf;
36typedef unsigned short ush;
37typedef ush FAR ushf;
38typedef unsigned long ulg;
39
40extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
41/* (size given to avoid silly warnings with Visual C++) */
42
43#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
44
45#define ERR_RETURN(strm,err) \
46 return (strm->msg = (char*)ERR_MSG(err), (err))
47/* To be used only when the state is known to be valid */
48
49 /* common constants */
50
51#ifndef DEF_WBITS
52# define DEF_WBITS MAX_WBITS
53#endif
54/* default windowBits for decompression. MAX_WBITS is for compression only */
55
56#if MAX_MEM_LEVEL >= 8
57# define DEF_MEM_LEVEL 8
58#else
59# define DEF_MEM_LEVEL MAX_MEM_LEVEL
60#endif
61/* default memLevel */
62
63#define STORED_BLOCK 0
64#define STATIC_TREES 1
65#define DYN_TREES 2
66/* The three kinds of block type */
67
68#define MIN_MATCH 3
69#define MAX_MATCH 258
70/* The minimum and maximum match lengths */
71
72#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
73
74 /* target dependencies */
75
76#ifdef MSDOS
77# define OS_CODE 0x00
78# if defined(__TURBOC__) || defined(__BORLANDC__)
79# if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
80 /* Allow compilation with ANSI keywords only enabled */
81 void _Cdecl farfree( void *block );
82 void *_Cdecl farmalloc( unsigned long nbytes );
83# else
84# include <alloc.h>
85# endif
86# else /* MSC or DJGPP */
87# include <malloc.h>
88# endif
89#endif
90
91#ifdef OS2
92# define OS_CODE 0x06
93#endif
94
95#ifdef WIN32 /* Window 95 & Windows NT */
96# define OS_CODE 0x0b
97#endif
98
99#if defined(VAXC) || defined(VMS)
100# define OS_CODE 0x02
101# define F_OPEN(name, mode) \
102 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
103#endif
104
105#ifdef AMIGA
106# define OS_CODE 0x01
107#endif
108
109#if defined(ATARI) || defined(atarist)
110# define OS_CODE 0x05
111#endif
112
113#if defined(MACOS) || defined(TARGET_OS_MAC)
114# define OS_CODE 0x07
115# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
116# include <unix.h> /* for fdopen */
117# else
118# ifndef fdopen
119# define fdopen(fd,mode) NULL /* No fdopen() */
120# endif
121# endif
122#endif
123
124#ifdef __50SERIES /* Prime/PRIMOS */
125# define OS_CODE 0x0F
126#endif
127
128#ifdef TOPS20
129# define OS_CODE 0x0a
130#endif
131
132#if defined(_BEOS_) || defined(RISCOS)
133# define fdopen(fd,mode) NULL /* No fdopen() */
134#endif
135
136#if (defined(_MSC_VER) && (_MSC_VER > 600))
137# define fdopen(fd,type) _fdopen(fd,type)
138#endif
139
140
141 /* Common defaults */
142
143#ifndef OS_CODE
144# define OS_CODE 0x03 /* assume Unix */
145#endif
146
147#ifndef F_OPEN
148# define F_OPEN(name, mode) fopen((name), (mode))
149#endif
150
151 /* functions */
152
153#ifdef HAVE_STRERROR
154 extern char *strerror OF((int));
155# define zstrerror(errnum) strerror(errnum)
156#else
157# define zstrerror(errnum) ""
158#endif
159
160#if defined(pyr)
161# define NO_MEMCPY
162#endif
163#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
164 /* Use our own functions for small and medium model with MSC <= 5.0.
165 * You may have to use the same strategy for Borland C (untested).
166 * The __SC__ check is for Symantec.
167 */
168# define NO_MEMCPY
169#endif
170#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
171# define HAVE_MEMCPY
172#endif
173#ifdef HAVE_MEMCPY
174# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
175# define zmemcpy _fmemcpy
176# define zmemcmp _fmemcmp
177# define zmemzero(dest, len) _fmemset(dest, 0, len)
178# else
179# define zmemcpy memcpy
180# define zmemcmp memcmp
181# define zmemzero(dest, len) memset(dest, 0, len)
182# endif
183#else
184 extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
185 extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
186 extern void zmemzero OF((Bytef* dest, uInt len));
187#endif
188
189/* Diagnostic functions */
190#ifdef DEBUG
191# include <stdio.h>
192 extern int z_verbose;
193 extern void z_error OF((char *m));
194# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
195# define Trace(x) {if (z_verbose>=0) fprintf x ;}
196# define Tracev(x) {if (z_verbose>0) fprintf x ;}
197# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
198# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
199# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
200#else
201# define Assert(cond,msg)
202# define Trace(x)
203# define Tracev(x)
204# define Tracevv(x)
205# define Tracec(c,x)
206# define Tracecv(c,x)
207#endif
208
209
210typedef uLong (ZEXPORT *check_func) OF((uLong check, const Bytef *buf,
211 uInt len));
212voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
213void zcfree OF((voidpf opaque, voidpf ptr));
214
215#define ZALLOC(strm, items, size) \
216 (*((strm)->zalloc))((strm)->opaque, (items), (size))
217#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
218#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
219
220#endif /* _Z_UTIL_H */