ReactOS  0.4.13-dev-39-g8b6696f
zutil.h
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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 
34 typedef unsigned char uch;
35 typedef uch FAR uchf;
36 typedef unsigned short ush;
37 typedef ush FAR ushf;
38 typedef unsigned long ulg;
39 
40 
41 #define ERR_RETURN(strm,err) \
42  return (strm->msg = (char*)ERR_MSG(err), (err))
43 /* To be used only when the state is known to be valid */
44 
45  /* common constants */
46 
47 #ifndef DEF_WBITS
48 # define DEF_WBITS MAX_WBITS
49 #endif
50 /* default windowBits for decompression. MAX_WBITS is for compression only */
51 
52 #if MAX_MEM_LEVEL >= 8
53 # define DEF_MEM_LEVEL 8
54 #else
55 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
56 #endif
57 /* default memLevel */
58 
59 #define STORED_BLOCK 0
60 #define STATIC_TREES 1
61 #define DYN_TREES 2
62 /* The three kinds of block type */
63 
64 #define MIN_MATCH 3
65 #define MAX_MATCH 258
66 /* The minimum and maximum match lengths */
67 
68 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
69 
70  /* target dependencies */
71 
72 #ifdef MSDOS
73 # define OS_CODE 0x00
74 # if defined(__TURBOC__) || defined(__BORLANDC__)
75 # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
76  /* Allow compilation with ANSI keywords only enabled */
77  void _Cdecl farfree( void *block );
78  void *_Cdecl farmalloc( unsigned long nbytes );
79 # else
80 # include <alloc.h>
81 # endif
82 # else /* MSC or DJGPP */
83 # endif
84 #endif
85 
86 #ifdef OS2
87 # define OS_CODE 0x06
88 #endif
89 
90 #ifdef WIN32 /* Window 95 & Windows NT */
91 # define OS_CODE 0x0b
92 #endif
93 
94 #if defined(VAXC) || defined(VMS)
95 # define OS_CODE 0x02
96 # define F_OPEN(name, mode) \
97  ft_fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
98 #endif
99 
100 #ifdef AMIGA
101 # define OS_CODE 0x01
102 #endif
103 
104 #if defined(ATARI) || defined(atarist)
105 # define OS_CODE 0x05
106 #endif
107 
108 #if defined(MACOS) || defined(TARGET_OS_MAC)
109 # define OS_CODE 0x07
110 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
111 # include <unix.h> /* for fdopen */
112 # else
113 # ifndef fdopen
114 # define fdopen(fd,mode) NULL /* No fdopen() */
115 # endif
116 # endif
117 #endif
118 
119 #ifdef __50SERIES /* Prime/PRIMOS */
120 # define OS_CODE 0x0F
121 #endif
122 
123 #ifdef TOPS20
124 # define OS_CODE 0x0a
125 #endif
126 
127 #if defined(_BEOS_) || defined(RISCOS)
128 # define fdopen(fd,mode) NULL /* No fdopen() */
129 #endif
130 
131 #if (defined(_MSC_VER) && (_MSC_VER > 600))
132 # define fdopen(fd,type) _fdopen(fd,type)
133 #endif
134 
135 
136  /* Common defaults */
137 
138 #ifndef OS_CODE
139 # define OS_CODE 0x03 /* assume Unix */
140 #endif
141 
142 #ifndef F_OPEN
143 # define F_OPEN(name, mode) ft_fopen((name), (mode))
144 #endif
145 
146  /* functions */
147 
148 #ifdef HAVE_STRERROR
149  extern char *strerror OF((int));
150 # define zstrerror(errnum) strerror(errnum)
151 #else
152 # define zstrerror(errnum) ""
153 #endif
154 
155 #if defined(pyr)
156 # define NO_MEMCPY
157 #endif
158 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
159  /* Use our own functions for small and medium model with MSC <= 5.0.
160  * You may have to use the same strategy for Borland C (untested).
161  * The __SC__ check is for Symantec.
162  */
163 # define NO_MEMCPY
164 #endif
165 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
166 # define HAVE_MEMCPY
167 #endif
168 #ifdef HAVE_MEMCPY
169 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
170 # define zmemcpy _fmemcpy
171 # define zmemcmp _fmemcmp
172 # define zmemzero(dest, len) _fmemset(dest, 0, len)
173 # else
174 # define zmemcpy ft_memcpy
175 # define zmemcmp ft_memcmp
176 # define zmemzero(dest, len) ft_memset(dest, 0, len)
177 # endif
178 #else
179  extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
180  extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
181  extern void zmemzero OF((Bytef* dest, uInt len));
182 #endif
183 
184 /* Diagnostic functions */
185 #ifdef DEBUG
186 # include <stdio.h>
187  extern int z_verbose;
188  extern void z_error OF((char *m));
189 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
190 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
191 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
192 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
193 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
194 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
195 #else
196 # define Assert(cond,msg)
197 # define Trace(x)
198 # define Tracev(x)
199 # define Tracevv(x)
200 # define Tracec(c,x)
201 # define Tracecv(c,x)
202 #endif
203 
204 
205 typedef uLong (*check_func) OF((uLong check, const Bytef *buf,
206  uInt len));
207 local voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
208 local void zcfree OF((voidpf opaque, voidpf ptr));
209 
210 #define ZALLOC(strm, items, size) \
211  (*((strm)->zalloc))((strm)->opaque, (items), (size))
212 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
213 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
214 
215 #endif /* _Z_UTIL_H */
static unsigned int block
Definition: xmlmemory.c:118
struct S2 s2
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
uLong check_func OF((uLong check, const Bytef *buf, uInt len))
Definition: zutil.h:205
int errno
const char * strerror(int err)
Definition: compat_str.c:23
const GLfloat * m
Definition: glext.h:10848
unsigned long ulg
Definition: zutil.h:38
Byte FAR Bytef
Definition: zconf.h:400
#define FAR
Definition: guiddef.h:36
static PVOID ptr
Definition: dispmode.c:27
unsigned short ush
Definition: zutil.h:36
unsigned long uLong
Definition: zconf.h:394
GLsizeiptr size
Definition: glext.h:5919
void zmemzero(Bytef *dest, uInt len)
Definition: zutil.c:41
struct S1 s1
void zmemcpy(Bytef *dest, const Bytef *source, uInt len)
Definition: zutil.c:17
void check(CONTEXT *pContext)
Definition: NtContinue.c:61
GLenum GLsizei len
Definition: glext.h:6722
#define local
Definition: zutil.h:30
Byte FAR * voidpf
Definition: zconf.h:413
void zcfree(voidpf opaque, voidpf ptr)
Definition: zutil.c:173
int zmemcmp(Bytef *s1, const Bytef *s2, uInt len) const
Definition: zutil.c:28
voidpf zcalloc(voidpf opaque, unsigned items, unsigned size)
Definition: zutil.c:164
static char * dest
Definition: rtl.c:135
ush FAR ushf
Definition: zutil.h:37
static TCHAR * items[]
Definition: page1.c:45
uch FAR uchf
Definition: zutil.h:35
unsigned int uInt
Definition: zconf.h:393
unsigned char uch
Definition: zutil.h:34