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comparison zlib/zutil.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents ae3a4bfb450b
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68:561a7518be6b 111:04ced10e8804
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) 1995-2005 Jean-loup Gailly. 2 * Copyright (C) 1995-2016 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
11 /* @(#) $Id: zutil.h,v 1.1.1.2 2002/03/11 21:53:28 tromey Exp $ */ 11 /* @(#) $Id: zutil.h,v 1.1.1.2 2002/03/11 21:53:28 tromey Exp $ */
12 12
13 #ifndef ZUTIL_H 13 #ifndef ZUTIL_H
14 #define ZUTIL_H 14 #define ZUTIL_H
15 15
16 #define ZLIB_INTERNAL 16 #ifdef HAVE_HIDDEN
17 # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
18 #else
19 # define ZLIB_INTERNAL
20 #endif
21
17 #include "zlib.h" 22 #include "zlib.h"
18 23
19 #ifdef STDC 24 #if defined(STDC) && !defined(Z_SOLO)
20 # ifndef _WIN32_WCE 25 # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
21 # include <stddef.h> 26 # include <stddef.h>
22 # endif 27 # endif
23 # include <string.h> 28 # include <string.h>
24 # include <stdlib.h> 29 # include <stdlib.h>
25 #endif 30 #endif
26 #ifdef NO_ERRNO_H 31
27 # ifdef _WIN32_WCE 32 #ifdef Z_SOLO
28 /* The Microsoft C Run-Time Library for Windows CE doesn't have 33 typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
29 * errno. We define it as a global variable to simplify porting.
30 * Its value is always 0 and should not be used. We rename it to
31 * avoid conflict with other libraries that use the same workaround.
32 */
33 # define errno z_errno
34 # endif
35 extern int errno;
36 #else
37 # ifndef _WIN32_WCE
38 # include <errno.h>
39 # endif
40 #endif 34 #endif
41 35
42 #ifndef local 36 #ifndef local
43 # define local static 37 # define local static
44 #endif 38 #endif
45 /* compile with -Dlocal if your debugger can't find static symbols */ 39 /* since "static" is used to mean two completely different things in C, we
40 define "local" for the non-static meaning of "static", for readability
41 (compile with -Dlocal if your debugger can't find static symbols) */
46 42
47 typedef unsigned char uch; 43 typedef unsigned char uch;
48 typedef uch FAR uchf; 44 typedef uch FAR uchf;
49 typedef unsigned short ush; 45 typedef unsigned short ush;
50 typedef ush FAR ushf; 46 typedef ush FAR ushf;
51 typedef unsigned long ulg; 47 typedef unsigned long ulg;
52 48
53 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ 49 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
54 /* (size given to avoid silly warnings with Visual C++) */ 50 /* (size given to avoid silly warnings with Visual C++) */
55 51
56 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] 52 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
57 53
58 #define ERR_RETURN(strm,err) \ 54 #define ERR_RETURN(strm,err) \
59 return (strm->msg = (char*)ERR_MSG(err), (err)) 55 return (strm->msg = ERR_MSG(err), (err))
60 /* To be used only when the state is known to be valid */ 56 /* To be used only when the state is known to be valid */
61 57
62 /* common constants */ 58 /* common constants */
63 59
64 #ifndef DEF_WBITS 60 #ifndef DEF_WBITS
86 82
87 /* target dependencies */ 83 /* target dependencies */
88 84
89 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) 85 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
90 # define OS_CODE 0x00 86 # define OS_CODE 0x00
91 # if defined(__TURBOC__) || defined(__BORLANDC__) 87 # ifndef Z_SOLO
92 # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) 88 # if defined(__TURBOC__) || defined(__BORLANDC__)
93 /* Allow compilation with ANSI keywords only enabled */ 89 # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
94 void _Cdecl farfree( void *block ); 90 /* Allow compilation with ANSI keywords only enabled */
95 void *_Cdecl farmalloc( unsigned long nbytes ); 91 void _Cdecl farfree( void *block );
96 # else 92 void *_Cdecl farmalloc( unsigned long nbytes );
97 # include <alloc.h> 93 # else
94 # include <alloc.h>
95 # endif
96 # else /* MSC or DJGPP */
97 # include <malloc.h>
98 # endif 98 # endif
99 # else /* MSC or DJGPP */
100 # include <malloc.h>
101 # endif 99 # endif
102 #endif 100 #endif
103 101
104 #ifdef AMIGA 102 #ifdef AMIGA
105 # define OS_CODE 0x01 103 # define OS_CODE 1
106 #endif 104 #endif
107 105
108 #if defined(VAXC) || defined(VMS) 106 #if defined(VAXC) || defined(VMS)
109 # define OS_CODE 0x02 107 # define OS_CODE 2
110 # define F_OPEN(name, mode) \ 108 # define F_OPEN(name, mode) \
111 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") 109 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
112 #endif 110 #endif
113 111
112 #ifdef __370__
113 # if __TARGET_LIB__ < 0x20000000
114 # define OS_CODE 4
115 # elif __TARGET_LIB__ < 0x40000000
116 # define OS_CODE 11
117 # else
118 # define OS_CODE 8
119 # endif
120 #endif
121
114 #if defined(ATARI) || defined(atarist) 122 #if defined(ATARI) || defined(atarist)
115 # define OS_CODE 0x05 123 # define OS_CODE 5
116 #endif 124 #endif
117 125
118 #ifdef OS2 126 #ifdef OS2
119 # define OS_CODE 0x06 127 # define OS_CODE 6
120 # ifdef M_I86 128 # if defined(M_I86) && !defined(Z_SOLO)
121 #include <malloc.h> 129 # include <malloc.h>
122 # endif 130 # endif
123 #endif 131 #endif
124 132
125 #if defined(MACOS) || defined(TARGET_OS_MAC) 133 #if defined(MACOS) || defined(TARGET_OS_MAC)
126 # define OS_CODE 0x07 134 # define OS_CODE 7
127 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os 135 # ifndef Z_SOLO
128 # include <unix.h> /* for fdopen */ 136 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
129 # else 137 # include <unix.h> /* for fdopen */
130 # ifndef fdopen 138 # else
131 # define fdopen(fd,mode) NULL /* No fdopen() */ 139 # ifndef fdopen
140 # define fdopen(fd,mode) NULL /* No fdopen() */
141 # endif
132 # endif 142 # endif
133 # endif 143 # endif
134 #endif 144 #endif
135 145
136 #ifdef TOPS20 146 #ifdef __acorn
137 # define OS_CODE 0x0a 147 # define OS_CODE 13
138 #endif 148 #endif
139 149
140 #ifdef WIN32 150 #if defined(WIN32) && !defined(__CYGWIN__)
141 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ 151 # define OS_CODE 10
142 # define OS_CODE 0x0b 152 #endif
143 # endif 153
144 #endif 154 #ifdef _BEOS_
145 155 # define OS_CODE 16
146 #ifdef __50SERIES /* Prime/PRIMOS */ 156 #endif
147 # define OS_CODE 0x0f 157
158 #ifdef __TOS_OS400__
159 # define OS_CODE 18
160 #endif
161
162 #ifdef __APPLE__
163 # define OS_CODE 19
148 #endif 164 #endif
149 165
150 #if defined(_BEOS_) || defined(RISCOS) 166 #if defined(_BEOS_) || defined(RISCOS)
151 # define fdopen(fd,mode) NULL /* No fdopen() */ 167 # define fdopen(fd,mode) NULL /* No fdopen() */
152 #endif 168 #endif
153 169
154 #if (defined(_MSC_VER) && (_MSC_VER > 600)) 170 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
155 # if defined(_WIN32_WCE) 171 # if defined(_WIN32_WCE)
156 # define fdopen(fd,mode) NULL /* No fdopen() */ 172 # define fdopen(fd,mode) NULL /* No fdopen() */
157 # ifndef _PTRDIFF_T_DEFINED 173 # ifndef _PTRDIFF_T_DEFINED
158 typedef int ptrdiff_t; 174 typedef int ptrdiff_t;
159 # define _PTRDIFF_T_DEFINED 175 # define _PTRDIFF_T_DEFINED
161 # else 177 # else
162 # define fdopen(fd,type) _fdopen(fd,type) 178 # define fdopen(fd,type) _fdopen(fd,type)
163 # endif 179 # endif
164 #endif 180 #endif
165 181
182 #if defined(__BORLANDC__) && !defined(MSDOS)
183 #pragma warn -8004
184 #pragma warn -8008
185 #pragma warn -8066
186 #endif
187
188 /* provide prototypes for these when building zlib without LFS */
189 #if !defined(_WIN32) && \
190 (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
191 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
192 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
193 #endif
194
166 /* common defaults */ 195 /* common defaults */
167 196
168 #ifndef OS_CODE 197 #ifndef OS_CODE
169 # define OS_CODE 0x03 /* assume Unix */ 198 # define OS_CODE 3 /* assume Unix */
170 #endif 199 #endif
171 200
172 #ifndef F_OPEN 201 #ifndef F_OPEN
173 # define F_OPEN(name, mode) fopen((name), (mode)) 202 # define F_OPEN(name, mode) fopen((name), (mode))
174 #endif 203 #endif
175 204
176 /* functions */ 205 /* functions */
177 206
178 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) 207 #if defined(pyr) || defined(Z_SOLO)
179 # ifndef HAVE_VSNPRINTF
180 # define HAVE_VSNPRINTF
181 # endif
182 #endif
183 #if defined(__CYGWIN__)
184 # ifndef HAVE_VSNPRINTF
185 # define HAVE_VSNPRINTF
186 # endif
187 #endif
188 #ifndef HAVE_VSNPRINTF
189 # ifdef MSDOS
190 /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
191 but for now we just assume it doesn't. */
192 # define NO_vsnprintf
193 # endif
194 # ifdef __TURBOC__
195 # define NO_vsnprintf
196 # endif
197 # ifdef WIN32
198 /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
199 # if !defined(vsnprintf) && !defined(NO_vsnprintf)
200 # define vsnprintf _vsnprintf
201 # endif
202 # endif
203 # ifdef __SASC
204 # define NO_vsnprintf
205 # endif
206 #endif
207 #ifdef VMS
208 # define NO_vsnprintf
209 #endif
210
211 #if defined(pyr)
212 # define NO_MEMCPY 208 # define NO_MEMCPY
213 #endif 209 #endif
214 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) 210 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
215 /* Use our own functions for small and medium model with MSC <= 5.0. 211 /* Use our own functions for small and medium model with MSC <= 5.0.
216 * You may have to use the same strategy for Borland C (untested). 212 * You may have to use the same strategy for Borland C (untested).
230 # define zmemcpy memcpy 226 # define zmemcpy memcpy
231 # define zmemcmp memcmp 227 # define zmemcmp memcmp
232 # define zmemzero(dest, len) memset(dest, 0, len) 228 # define zmemzero(dest, len) memset(dest, 0, len)
233 # endif 229 # endif
234 #else 230 #else
235 extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); 231 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
236 extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); 232 int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
237 extern void zmemzero OF((Bytef* dest, uInt len)); 233 void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
238 #endif 234 #endif
239 235
240 /* Diagnostic functions */ 236 /* Diagnostic functions */
241 #ifdef DEBUG 237 #ifdef ZLIB_DEBUG
242 # include <stdio.h> 238 # include <stdio.h>
243 extern int z_verbose; 239 extern int ZLIB_INTERNAL z_verbose;
244 extern void z_error OF((char *m)); 240 extern void ZLIB_INTERNAL z_error OF((char *m));
245 # define Assert(cond,msg) {if(!(cond)) z_error(msg);} 241 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
246 # define Trace(x) {if (z_verbose>=0) fprintf x ;} 242 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
247 # define Tracev(x) {if (z_verbose>0) fprintf x ;} 243 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
248 # define Tracevv(x) {if (z_verbose>1) fprintf x ;} 244 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
249 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} 245 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
255 # define Tracevv(x) 251 # define Tracevv(x)
256 # define Tracec(c,x) 252 # define Tracec(c,x)
257 # define Tracecv(c,x) 253 # define Tracecv(c,x)
258 #endif 254 #endif
259 255
260 256 #ifndef Z_SOLO
261 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); 257 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
262 void zcfree OF((voidpf opaque, voidpf ptr)); 258 unsigned size));
259 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
260 #endif
263 261
264 #define ZALLOC(strm, items, size) \ 262 #define ZALLOC(strm, items, size) \
265 (*((strm)->zalloc))((strm)->opaque, (items), (size)) 263 (*((strm)->zalloc))((strm)->opaque, (items), (size))
266 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) 264 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
267 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} 265 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
268 266
267 /* Reverse the bytes in a 32-bit value */
268 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
269 (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
270
269 #endif /* ZUTIL_H */ 271 #endif /* ZUTIL_H */