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comparison zlib/zutil.h @ 2690:9ef72ee5c0b0

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Update vendored zlib to 1.3.1
author Michael Pavone <pavone@retrodev.com>
date Sun, 15 Jun 2025 15:39:33 -0700
parents 00d788dac91a
children
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2689:bd6e33de0972 2690:9ef72ee5c0b0
1 /* zutil.h -- internal interface and configuration of the compression library 1 /* zutil.h -- internal interface and configuration of the compression library
2 * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler 2 * Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
3 * For conditions of distribution and use, see copyright notice in zlib.h 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 applications. It is 6 /* WARNING: this file should *not* be used by applications. It is
7 part of the implementation of the compression library and is 7 part of the implementation of the compression library and is
25 # if !(defined(_WIN32_WCE) && defined(_MSC_VER)) 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
31
32 #ifdef Z_SOLO
33 typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
34 #endif 30 #endif
35 31
36 #ifndef local 32 #ifndef local
37 # define local static 33 # define local static
38 #endif 34 #endif
44 typedef uch FAR uchf; 40 typedef uch FAR uchf;
45 typedef unsigned short ush; 41 typedef unsigned short ush;
46 typedef ush FAR ushf; 42 typedef ush FAR ushf;
47 typedef unsigned long ulg; 43 typedef unsigned long ulg;
48 44
45 #if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
46 # include <limits.h>
47 # if (ULONG_MAX == 0xffffffffffffffff)
48 # define Z_U8 unsigned long
49 # elif (ULLONG_MAX == 0xffffffffffffffff)
50 # define Z_U8 unsigned long long
51 # elif (UINT_MAX == 0xffffffffffffffff)
52 # define Z_U8 unsigned
53 # endif
54 #endif
55
49 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ 56 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
50 /* (size given to avoid silly warnings with Visual C++) */ 57 /* (size given to avoid silly warnings with Visual C++) */
51 58
52 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] 59 #define ERR_MSG(err) z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)]
53 60
54 #define ERR_RETURN(strm,err) \ 61 #define ERR_RETURN(strm,err) \
55 return (strm->msg = ERR_MSG(err), (err)) 62 return (strm->msg = ERR_MSG(err), (err))
56 /* To be used only when the state is known to be valid */ 63 /* To be used only when the state is known to be valid */
57 64
128 # if defined(M_I86) && !defined(Z_SOLO) 135 # if defined(M_I86) && !defined(Z_SOLO)
129 # include <malloc.h> 136 # include <malloc.h>
130 # endif 137 # endif
131 #endif 138 #endif
132 139
133 #if defined(MACOS) || defined(TARGET_OS_MAC) 140 #if defined(MACOS)
134 # define OS_CODE 7 141 # define OS_CODE 7
135 # ifndef Z_SOLO
136 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
137 # include <unix.h> /* for fdopen */
138 # else
139 # ifndef fdopen
140 # define fdopen(fd,mode) NULL /* No fdopen() */
141 # endif
142 # endif
143 # endif
144 #endif 142 #endif
145 143
146 #ifdef __acorn 144 #ifdef __acorn
147 # define OS_CODE 13 145 # define OS_CODE 13
148 #endif 146 #endif
159 # define OS_CODE 18 157 # define OS_CODE 18
160 #endif 158 #endif
161 159
162 #ifdef __APPLE__ 160 #ifdef __APPLE__
163 # define OS_CODE 19 161 # define OS_CODE 19
164 #endif
165
166 #if defined(_BEOS_) || defined(RISCOS)
167 # define fdopen(fd,mode) NULL /* No fdopen() */
168 #endif
169
170 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
171 # if defined(_WIN32_WCE)
172 # define fdopen(fd,mode) NULL /* No fdopen() */
173 # ifndef _PTRDIFF_T_DEFINED
174 typedef int ptrdiff_t;
175 # define _PTRDIFF_T_DEFINED
176 # endif
177 # else
178 # define fdopen(fd,type) _fdopen(fd,type)
179 # endif
180 #endif 162 #endif
181 163
182 #if defined(__BORLANDC__) && !defined(MSDOS) 164 #if defined(__BORLANDC__) && !defined(MSDOS)
183 #pragma warn -8004 165 #pragma warn -8004
184 #pragma warn -8008 166 #pragma warn -8008
186 #endif 168 #endif
187 169
188 /* provide prototypes for these when building zlib without LFS */ 170 /* provide prototypes for these when building zlib without LFS */
189 #if !defined(_WIN32) && \ 171 #if !defined(_WIN32) && \
190 (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) 172 (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
191 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); 173 ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
192 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); 174 ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
175 ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
193 #endif 176 #endif
194 177
195 /* common defaults */ 178 /* common defaults */
196 179
197 #ifndef OS_CODE 180 #ifndef OS_CODE
226 # define zmemcpy memcpy 209 # define zmemcpy memcpy
227 # define zmemcmp memcmp 210 # define zmemcmp memcmp
228 # define zmemzero(dest, len) memset(dest, 0, len) 211 # define zmemzero(dest, len) memset(dest, 0, len)
229 # endif 212 # endif
230 #else 213 #else
231 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); 214 void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);
232 int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); 215 int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len);
233 void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len)); 216 void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len);
234 #endif 217 #endif
235 218
236 /* Diagnostic functions */ 219 /* Diagnostic functions */
237 #ifdef ZLIB_DEBUG 220 #ifdef ZLIB_DEBUG
238 # include <stdio.h> 221 # include <stdio.h>
239 extern int ZLIB_INTERNAL z_verbose; 222 extern int ZLIB_INTERNAL z_verbose;
240 extern void ZLIB_INTERNAL z_error OF((char *m)); 223 extern void ZLIB_INTERNAL z_error(char *m);
241 # define Assert(cond,msg) {if(!(cond)) z_error(msg);} 224 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
242 # define Trace(x) {if (z_verbose>=0) fprintf x ;} 225 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
243 # define Tracev(x) {if (z_verbose>0) fprintf x ;} 226 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
244 # define Tracevv(x) {if (z_verbose>1) fprintf x ;} 227 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
245 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} 228 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
252 # define Tracec(c,x) 235 # define Tracec(c,x)
253 # define Tracecv(c,x) 236 # define Tracecv(c,x)
254 #endif 237 #endif
255 238
256 #ifndef Z_SOLO 239 #ifndef Z_SOLO
257 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, 240 voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items,
258 unsigned size)); 241 unsigned size);
259 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); 242 void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr);
260 #endif 243 #endif
261 244
262 #define ZALLOC(strm, items, size) \ 245 #define ZALLOC(strm, items, size) \
263 (*((strm)->zalloc))((strm)->opaque, (items), (size)) 246 (*((strm)->zalloc))((strm)->opaque, (items), (size))
264 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) 247 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))