1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-1996 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* From: zutil.h,v 1.16 1996/07/24 13:41:13 me Exp $ */
/* $FreeBSD$ */
#ifndef _Z_UTIL_H
#define _Z_UTIL_H
#define ZEXPORT
#ifdef _KERNEL
#include <sys/zlib.h>
#else
#include "zlib.h"
#endif
#ifdef _KERNEL
/* Assume this is a *BSD or SVR4 kernel */
#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/kernel.h>
# define HAVE_MEMCPY
# define memcpy(d, s, n) bcopy((s), (d), (n))
# define memset(d, v, n) bzero((d), (n))
# define memcmp bcmp
#else
#if defined(__KERNEL__)
/* Assume this is a Linux kernel */
#include <linux/string.h>
#define HAVE_MEMCPY
#else /* not kernel */
#if defined(MSDOS)||defined(VMS)||defined(CRAY)||defined(WIN32)||defined(RISCOS)
# include <stddef.h>
# include <errno.h>
#else
extern int errno;
#endif
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#endif
#endif /* __KERNEL__ */
#endif /* _KERNEL */
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
typedef unsigned char uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm,err) \
return (strm->msg = (const char*)ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */
/* common constants */
#ifndef DEF_WBITS
# define DEF_WBITS MAX_WBITS
#endif
/* default windowBits for decompression. MAX_WBITS is for compression only */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default memLevel */
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
/* The three kinds of block type */
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
/* target dependencies */
#ifdef MSDOS
# define OS_CODE 0x00
# ifdef __TURBOC__
# include <alloc.h>
# else /* MSC or DJGPP */
# include <malloc.h>
# endif
#endif
#ifdef OS2
# define OS_CODE 0x06
#endif
#ifdef WIN32 /* Window 95 & Windows NT */
# define OS_CODE 0x0b
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 0x02
# define FOPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#ifdef AMIGA
# define OS_CODE 0x01
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 0x05
#endif
#ifdef MACOS
# define OS_CODE 0x07
#endif
#ifdef __50SERIES /* Prime/PRIMOS */
# define OS_CODE 0x0F
#endif
#ifdef TOPS20
# define OS_CODE 0x0a
#endif
#if defined(_BEOS_) || defined(RISCOS)
# define fdopen(fd,mode) NULL /* No fdopen() */
#endif
/* Common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
#endif
#ifndef FOPEN
# define FOPEN(name, mode) fopen((name), (mode))
#endif
/* functions */
#ifdef HAVE_STRERROR
extern char *strerror OF((int));
# define zstrerror(errnum) strerror(errnum)
#else
# define zstrerror(errnum) ""
#endif
#if defined(pyr)
# define NO_MEMCPY
#endif
#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(_MSC_VER)
/* Use our own functions for small and medium model with MSC <= 5.0.
* You may have to use the same strategy for Borland C (untested).
*/
# define NO_MEMCPY
#endif
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
# define HAVE_MEMCPY
#endif
#ifdef HAVE_MEMCPY
# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
# define zmemcpy _fmemcpy
# define zmemcmp _fmemcmp
# define zmemzero(dest, len) _fmemset(dest, 0, len)
# else
# define zmemcpy memcpy
# define zmemcmp memcmp
# define zmemzero(dest, len) memset(dest, 0, len)
# endif
#else
extern void zmemcpy OF((Bytef* dest, Bytef* source, uInt len));
extern int zmemcmp OF((Bytef* s1, Bytef* s2, uInt len));
extern void zmemzero OF((Bytef* dest, uInt len));
#endif
/* Diagnostic functions */
#ifdef DEBUG_ZLIB
# include <stdio.h>
# ifndef verbose
# define verbose 0
# endif
extern void z_error OF((char *m));
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) fprintf x
# define Tracev(x) {if (verbose) fprintf x ;}
# define Tracevv(x) {if (verbose>1) fprintf x ;}
# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
#else
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
typedef uLong (*check_func) OF((uLong check, const Bytef *buf, uInt len));
voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
void zcfree OF((voidpf opaque, voidpf ptr));
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
#endif /* _Z_UTIL_H */
|
