| Geant4 Cross Reference |
1 /* zutil.h -- internal interface and configura 1 /* zutil.h -- internal interface and configuration of the compression library
2 * Copyright (C) 1995-2022 Jean-loup Gailly, M 2 * Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler
3 * For conditions of distribution and use, see 3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */ 4 */
5 5
6 /* WARNING: this file should *not* be used by 6 /* WARNING: this file should *not* be used by applications. It is
7 part of the implementation of the compressi 7 part of the implementation of the compression library and is
8 subject to change. Applications should only 8 subject to change. Applications should only use zlib.h.
9 */ 9 */
10 10
11 /* @(#) $Id$ */ 11 /* @(#) $Id$ */
12 12
13 #ifndef ZUTIL_H 13 #ifndef ZUTIL_H
14 #define ZUTIL_H 14 #define ZUTIL_H
15 15
16 #ifdef HAVE_HIDDEN 16 #ifdef HAVE_HIDDEN
17 # define ZLIB_INTERNAL __attribute__((visibil 17 # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
18 #else 18 #else
19 # define ZLIB_INTERNAL 19 # define ZLIB_INTERNAL
20 #endif 20 #endif
21 21
22 #include "zlib.h" 22 #include "zlib.h"
23 23
24 #if defined(STDC) && !defined(Z_SOLO) 24 #if defined(STDC) && !defined(Z_SOLO)
25 # if !(defined(_WIN32_WCE) && defined(_MSC_VE 25 # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
26 # include <stddef.h> 26 # include <stddef.h>
27 # endif 27 # endif
28 # include <string.h> 28 # include <string.h>
29 # include <stdlib.h> 29 # include <stdlib.h>
30 #endif 30 #endif
31 31
32 #ifndef local 32 #ifndef local
33 # define local static 33 # define local static
34 #endif 34 #endif
35 /* since "static" is used to mean two complete 35 /* since "static" is used to mean two completely different things in C, we
36 define "local" for the non-static meaning o 36 define "local" for the non-static meaning of "static", for readability
37 (compile with -Dlocal if your debugger can' 37 (compile with -Dlocal if your debugger can't find static symbols) */
38 38
39 typedef unsigned char uch; 39 typedef unsigned char uch;
40 typedef uch FAR uchf; 40 typedef uch FAR uchf;
41 typedef unsigned short ush; 41 typedef unsigned short ush;
42 typedef ush FAR ushf; 42 typedef ush FAR ushf;
43 typedef unsigned long ulg; 43 typedef unsigned long ulg;
44 44
45 #if !defined(Z_U8) && !defined(Z_SOLO) && defi 45 #if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
46 # include <limits.h> 46 # include <limits.h>
47 # if (ULONG_MAX == 0xffffffffffffffff) 47 # if (ULONG_MAX == 0xffffffffffffffff)
48 # define Z_U8 unsigned long 48 # define Z_U8 unsigned long
49 # elif (ULLONG_MAX == 0xffffffffffffffff) 49 # elif (ULLONG_MAX == 0xffffffffffffffff)
50 # define Z_U8 unsigned long long 50 # define Z_U8 unsigned long long
51 # elif (UINT_MAX == 0xffffffffffffffff) 51 # elif (UINT_MAX == 0xffffffffffffffff)
52 # define Z_U8 unsigned 52 # define Z_U8 unsigned
53 # endif 53 # endif
54 #endif 54 #endif
55 55
56 extern z_const char * const z_errmsg[10]; /* i 56 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
57 /* (size given to avoid silly warnings with Vi 57 /* (size given to avoid silly warnings with Visual C++) */
58 58
59 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err 59 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
60 60
61 #define ERR_RETURN(strm,err) \ 61 #define ERR_RETURN(strm,err) \
62 return (strm->msg = ERR_MSG(err), (err)) 62 return (strm->msg = ERR_MSG(err), (err))
63 /* To be used only when the state is known to 63 /* To be used only when the state is known to be valid */
64 64
65 /* common constants */ 65 /* common constants */
66 66
67 #ifndef DEF_WBITS 67 #ifndef DEF_WBITS
68 # define DEF_WBITS MAX_WBITS 68 # define DEF_WBITS MAX_WBITS
69 #endif 69 #endif
70 /* default windowBits for decompression. MAX_W 70 /* default windowBits for decompression. MAX_WBITS is for compression only */
71 71
72 #if MAX_MEM_LEVEL >= 8 72 #if MAX_MEM_LEVEL >= 8
73 # define DEF_MEM_LEVEL 8 73 # define DEF_MEM_LEVEL 8
74 #else 74 #else
75 # define DEF_MEM_LEVEL MAX_MEM_LEVEL 75 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
76 #endif 76 #endif
77 /* default memLevel */ 77 /* default memLevel */
78 78
79 #define STORED_BLOCK 0 79 #define STORED_BLOCK 0
80 #define STATIC_TREES 1 80 #define STATIC_TREES 1
81 #define DYN_TREES 2 81 #define DYN_TREES 2
82 /* The three kinds of block type */ 82 /* The three kinds of block type */
83 83
84 #define MIN_MATCH 3 84 #define MIN_MATCH 3
85 #define MAX_MATCH 258 85 #define MAX_MATCH 258
86 /* The minimum and maximum match lengths */ 86 /* The minimum and maximum match lengths */
87 87
88 #define PRESET_DICT 0x20 /* preset dictionary 88 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
89 89
90 /* target dependencies */ 90 /* target dependencies */
91 91
92 #if defined(MSDOS) || (defined(WINDOWS) && !de 92 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
93 # define OS_CODE 0x00 93 # define OS_CODE 0x00
94 # ifndef Z_SOLO 94 # ifndef Z_SOLO
95 # if defined(__TURBOC__) || defined(__BORLA 95 # if defined(__TURBOC__) || defined(__BORLANDC__)
96 # if (__STDC__ == 1) && (defined(__LARGE_ 96 # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
97 /* Allow compilation with ANSI keywor 97 /* Allow compilation with ANSI keywords only enabled */
98 void _Cdecl farfree( void *block ); 98 void _Cdecl farfree( void *block );
99 void *_Cdecl farmalloc( unsigned long 99 void *_Cdecl farmalloc( unsigned long nbytes );
100 # else 100 # else
101 # include <alloc.h> 101 # include <alloc.h>
102 # endif 102 # endif
103 # else /* MSC or DJGPP */ 103 # else /* MSC or DJGPP */
104 # include <malloc.h> 104 # include <malloc.h>
105 # endif 105 # endif
106 # endif 106 # endif
107 #endif 107 #endif
108 108
109 #ifdef AMIGA 109 #ifdef AMIGA
110 # define OS_CODE 1 110 # define OS_CODE 1
111 #endif 111 #endif
112 112
113 #if defined(VAXC) || defined(VMS) 113 #if defined(VAXC) || defined(VMS)
114 # define OS_CODE 2 114 # define OS_CODE 2
115 # define F_OPEN(name, mode) \ 115 # define F_OPEN(name, mode) \
116 fopen((name), (mode), "mbc=60", "ctx=stm" 116 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
117 #endif 117 #endif
118 118
119 #ifdef __370__ 119 #ifdef __370__
120 # if __TARGET_LIB__ < 0x20000000 120 # if __TARGET_LIB__ < 0x20000000
121 # define OS_CODE 4 121 # define OS_CODE 4
122 # elif __TARGET_LIB__ < 0x40000000 122 # elif __TARGET_LIB__ < 0x40000000
123 # define OS_CODE 11 123 # define OS_CODE 11
124 # else 124 # else
125 # define OS_CODE 8 125 # define OS_CODE 8
126 # endif 126 # endif
127 #endif 127 #endif
128 128
129 #if defined(ATARI) || defined(atarist) 129 #if defined(ATARI) || defined(atarist)
130 # define OS_CODE 5 130 # define OS_CODE 5
131 #endif 131 #endif
132 132
133 #ifdef OS2 133 #ifdef OS2
134 # define OS_CODE 6 134 # define OS_CODE 6
135 # if defined(M_I86) && !defined(Z_SOLO) 135 # if defined(M_I86) && !defined(Z_SOLO)
136 # include <malloc.h> 136 # include <malloc.h>
137 # endif 137 # endif
138 #endif 138 #endif
139 139
140 #if defined(MACOS) || defined(TARGET_OS_MAC) 140 #if defined(MACOS) || defined(TARGET_OS_MAC)
141 # define OS_CODE 7 141 # define OS_CODE 7
142 # ifndef Z_SOLO 142 # ifndef Z_SOLO
143 # if defined(__MWERKS__) && __dest_os != __ 143 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
144 # include <unix.h> /* for fdopen */ 144 # include <unix.h> /* for fdopen */
145 # else 145 # else
146 # ifndef fdopen 146 # ifndef fdopen
147 # define fdopen(fd,mode) NULL /* No fdo 147 # define fdopen(fd,mode) NULL /* No fdopen() */
148 # endif 148 # endif
149 # endif 149 # endif
150 # endif 150 # endif
151 #endif 151 #endif
152 152
153 #ifdef __acorn 153 #ifdef __acorn
154 # define OS_CODE 13 154 # define OS_CODE 13
155 #endif 155 #endif
156 156
157 #if defined(WIN32) && !defined(__CYGWIN__) 157 #if defined(WIN32) && !defined(__CYGWIN__)
158 # define OS_CODE 10 158 # define OS_CODE 10
159 #endif 159 #endif
160 160
161 #ifdef _BEOS_ 161 #ifdef _BEOS_
162 # define OS_CODE 16 162 # define OS_CODE 16
163 #endif 163 #endif
164 164
165 #ifdef __TOS_OS400__ 165 #ifdef __TOS_OS400__
166 # define OS_CODE 18 166 # define OS_CODE 18
167 #endif 167 #endif
168 168
169 #ifdef __APPLE__ 169 #ifdef __APPLE__
170 # define OS_CODE 19 170 # define OS_CODE 19
171 #endif 171 #endif
172 172
173 #if defined(_BEOS_) || defined(RISCOS) 173 #if defined(_BEOS_) || defined(RISCOS)
174 # define fdopen(fd,mode) NULL /* No fdopen() 174 # define fdopen(fd,mode) NULL /* No fdopen() */
175 #endif 175 #endif
176 176
177 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && 177 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
178 # if defined(_WIN32_WCE) 178 # if defined(_WIN32_WCE)
179 # define fdopen(fd,mode) NULL /* No fdopen( 179 # define fdopen(fd,mode) NULL /* No fdopen() */
180 # else 180 # else
181 # define fdopen(fd,type) _fdopen(fd,type) 181 # define fdopen(fd,type) _fdopen(fd,type)
182 # endif 182 # endif
183 #endif 183 #endif
184 184
185 #if defined(__BORLANDC__) && !defined(MSDOS) 185 #if defined(__BORLANDC__) && !defined(MSDOS)
186 #pragma warn -8004 186 #pragma warn -8004
187 #pragma warn -8008 187 #pragma warn -8008
188 #pragma warn -8066 188 #pragma warn -8066
189 #endif 189 #endif
190 190
191 /* provide prototypes for these when building 191 /* provide prototypes for these when building zlib without LFS */
192 #if !defined(_WIN32) && \ 192 #if !defined(_WIN32) && \
193 (!defined(_LARGEFILE64_SOURCE) || _LFS64_L 193 (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
194 ZEXTERN uLong ZEXPORT adler32_combine64 OF 194 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
195 ZEXTERN uLong ZEXPORT crc32_combine64 OF(( 195 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
196 ZEXTERN uLong ZEXPORT crc32_combine_gen64 196 ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
197 #endif 197 #endif
198 198
199 /* common defaults */ 199 /* common defaults */
200 200
201 #ifndef OS_CODE 201 #ifndef OS_CODE
202 # define OS_CODE 3 /* assume Unix */ 202 # define OS_CODE 3 /* assume Unix */
203 #endif 203 #endif
204 204
205 #ifndef F_OPEN 205 #ifndef F_OPEN
206 # define F_OPEN(name, mode) fopen((name), (mo 206 # define F_OPEN(name, mode) fopen((name), (mode))
207 #endif 207 #endif
208 208
209 /* functions */ 209 /* functions */
210 210
211 #if defined(pyr) || defined(Z_SOLO) 211 #if defined(pyr) || defined(Z_SOLO)
212 # define NO_MEMCPY 212 # define NO_MEMCPY
213 #endif 213 #endif
214 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER 214 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
215 /* Use our own functions for small and medium 215 /* Use our own functions for small and medium model with MSC <= 5.0.
216 * You may have to use the same strategy for 216 * You may have to use the same strategy for Borland C (untested).
217 * The __SC__ check is for Symantec. 217 * The __SC__ check is for Symantec.
218 */ 218 */
219 # define NO_MEMCPY 219 # define NO_MEMCPY
220 #endif 220 #endif
221 #if defined(STDC) && !defined(HAVE_MEMCPY) && 221 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
222 # define HAVE_MEMCPY 222 # define HAVE_MEMCPY
223 #endif 223 #endif
224 #ifdef HAVE_MEMCPY 224 #ifdef HAVE_MEMCPY
225 # ifdef SMALL_MEDIUM /* MSDOS small or medium 225 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
226 # define zmemcpy _fmemcpy 226 # define zmemcpy _fmemcpy
227 # define zmemcmp _fmemcmp 227 # define zmemcmp _fmemcmp
228 # define zmemzero(dest, len) _fmemset(dest, 228 # define zmemzero(dest, len) _fmemset(dest, 0, len)
229 # else 229 # else
230 # define zmemcpy memcpy 230 # define zmemcpy memcpy
231 # define zmemcmp memcmp 231 # define zmemcmp memcmp
232 # define zmemzero(dest, len) memset(dest, 0 232 # define zmemzero(dest, len) memset(dest, 0, len)
233 # endif 233 # endif
234 #else 234 #else
235 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, 235 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
236 int ZLIB_INTERNAL zmemcmp OF((const Bytef* 236 int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
237 void ZLIB_INTERNAL zmemzero OF((Bytef* dest 237 void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
238 #endif 238 #endif
239 239
240 /* Diagnostic functions */ 240 /* Diagnostic functions */
241 #ifdef ZLIB_DEBUG 241 #ifdef ZLIB_DEBUG
242 # include <stdio.h> 242 # include <stdio.h>
243 extern int ZLIB_INTERNAL z_verbose; 243 extern int ZLIB_INTERNAL z_verbose;
244 extern void ZLIB_INTERNAL z_error OF((char 244 extern void ZLIB_INTERNAL z_error OF((char *m));
245 # define Assert(cond,msg) {if(!(cond)) z_erro 245 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
246 # define Trace(x) {if (z_verbose>=0) fprintf 246 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
247 # define Tracev(x) {if (z_verbose>0) fprintf 247 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
248 # define Tracevv(x) {if (z_verbose>1) fprintf 248 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
249 # define Tracec(c,x) {if (z_verbose>0 && (c)) 249 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
250 # define Tracecv(c,x) {if (z_verbose>1 && (c) 250 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
251 #else 251 #else
252 # define Assert(cond,msg) 252 # define Assert(cond,msg)
253 # define Trace(x) 253 # define Trace(x)
254 # define Tracev(x) 254 # define Tracev(x)
255 # define Tracevv(x) 255 # define Tracevv(x)
256 # define Tracec(c,x) 256 # define Tracec(c,x)
257 # define Tracecv(c,x) 257 # define Tracecv(c,x)
258 #endif 258 #endif
259 259
260 #ifndef Z_SOLO 260 #ifndef Z_SOLO
261 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opa 261 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
262 unsigned s 262 unsigned size));
263 void ZLIB_INTERNAL zcfree OF((voidpf opaqu 263 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
264 #endif 264 #endif
265 265
266 #define ZALLOC(strm, items, size) \ 266 #define ZALLOC(strm, items, size) \
267 (*((strm)->zalloc))((strm)->opaque, 267 (*((strm)->zalloc))((strm)->opaque, (items), (size))
268 #define ZFREE(strm, addr) (*((strm)->zfree))( 268 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
269 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} 269 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
270 270
271 /* Reverse the bytes in a 32-bit value */ 271 /* Reverse the bytes in a 32-bit value */
272 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + ((( 272 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
273 (((q) & 0xff00) << 8) + (( 273 (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
274 274
275 #endif /* ZUTIL_H */ 275 #endif /* ZUTIL_H */
276 276