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d11973f1 DM |
1 | /** @file\r |
2 | zutil.h -- internal interface and configuration of the compression library\r | |
3 | \r | |
4 | Copyright (C) 2015, Daryl McDaniel.<BR>\r | |
3ec97ca4 DM |
5 | * Copyright (C) 1995-2013 Jean-loup Gailly.\r |
6 | * For conditions of distribution and use, see copyright notice in zlib.h\r | |
d11973f1 | 7 | **/\r |
3ec97ca4 DM |
8 | \r |
9 | /* WARNING: this file should *not* be used by applications. It is\r | |
10 | part of the implementation of the compression library and is\r | |
11 | subject to change. Applications should only use zlib.h.\r | |
12 | */\r | |
13 | \r | |
14 | /* @(#) $Id$ */\r | |
15 | \r | |
16 | #ifndef ZUTIL_H\r | |
17 | #define ZUTIL_H\r | |
18 | \r | |
19 | #ifdef HAVE_HIDDEN\r | |
20 | # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))\r | |
21 | #else\r | |
22 | # define ZLIB_INTERNAL\r | |
23 | #endif\r | |
24 | \r | |
25 | #include "zlib.h"\r | |
26 | \r | |
d11973f1 | 27 | #if defined(UEFI_C_SOURCE) || (defined(STDC) && !defined(Z_SOLO))\r |
3ec97ca4 DM |
28 | # if !(defined(_WIN32_WCE) && defined(_MSC_VER))\r |
29 | # include <stddef.h>\r | |
30 | # endif\r | |
31 | # include <string.h>\r | |
32 | # include <stdlib.h>\r | |
33 | #endif\r | |
34 | \r | |
35 | #ifdef Z_SOLO\r | |
36 | typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */\r | |
37 | #endif\r | |
38 | \r | |
39 | #ifndef local\r | |
40 | # define local static\r | |
41 | #endif\r | |
42 | /* compile with -Dlocal if your debugger can't find static symbols */\r | |
43 | \r | |
44 | typedef unsigned char uch;\r | |
45 | typedef uch FAR uchf;\r | |
46 | typedef unsigned short ush;\r | |
47 | typedef ush FAR ushf;\r | |
48 | typedef unsigned long ulg;\r | |
49 | \r | |
50 | extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */\r | |
51 | /* (size given to avoid silly warnings with Visual C++) */\r | |
52 | \r | |
53 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]\r | |
54 | \r | |
55 | #define ERR_RETURN(strm,err) \\r | |
56 | return (strm->msg = ERR_MSG(err), (err))\r | |
57 | /* To be used only when the state is known to be valid */\r | |
58 | \r | |
59 | /* common constants */\r | |
60 | \r | |
61 | #ifndef DEF_WBITS\r | |
62 | # define DEF_WBITS MAX_WBITS\r | |
63 | #endif\r | |
64 | /* default windowBits for decompression. MAX_WBITS is for compression only */\r | |
65 | \r | |
66 | #if MAX_MEM_LEVEL >= 8\r | |
67 | # define DEF_MEM_LEVEL 8\r | |
68 | #else\r | |
69 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL\r | |
70 | #endif\r | |
71 | /* default memLevel */\r | |
72 | \r | |
73 | #define STORED_BLOCK 0\r | |
74 | #define STATIC_TREES 1\r | |
75 | #define DYN_TREES 2\r | |
76 | /* The three kinds of block type */\r | |
77 | \r | |
78 | #define MIN_MATCH 3\r | |
79 | #define MAX_MATCH 258\r | |
80 | /* The minimum and maximum match lengths */\r | |
81 | \r | |
82 | #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */\r | |
83 | \r | |
84 | /* target dependencies */\r | |
85 | \r | |
86 | #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))\r | |
87 | # define OS_CODE 0x00\r | |
88 | # ifndef Z_SOLO\r | |
89 | # if defined(__TURBOC__) || defined(__BORLANDC__)\r | |
90 | # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))\r | |
91 | /* Allow compilation with ANSI keywords only enabled */\r | |
92 | void _Cdecl farfree( void *block );\r | |
93 | void *_Cdecl farmalloc( unsigned long nbytes );\r | |
94 | # else\r | |
95 | # include <alloc.h>\r | |
96 | # endif\r | |
97 | # else /* MSC or DJGPP */\r | |
98 | # include <malloc.h>\r | |
99 | # endif\r | |
100 | # endif\r | |
101 | #endif\r | |
102 | \r | |
103 | #ifdef AMIGA\r | |
104 | # define OS_CODE 0x01\r | |
105 | #endif\r | |
106 | \r | |
107 | #if defined(VAXC) || defined(VMS)\r | |
108 | # define OS_CODE 0x02\r | |
109 | # define F_OPEN(name, mode) \\r | |
110 | fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")\r | |
111 | #endif\r | |
112 | \r | |
113 | #if defined(ATARI) || defined(atarist)\r | |
114 | # define OS_CODE 0x05\r | |
115 | #endif\r | |
116 | \r | |
117 | #ifdef OS2\r | |
118 | # define OS_CODE 0x06\r | |
119 | # if defined(M_I86) && !defined(Z_SOLO)\r | |
120 | # include <malloc.h>\r | |
121 | # endif\r | |
122 | #endif\r | |
123 | \r | |
124 | #if defined(MACOS) || defined(TARGET_OS_MAC)\r | |
125 | # define OS_CODE 0x07\r | |
126 | # ifndef Z_SOLO\r | |
127 | # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os\r | |
128 | # include <unix.h> /* for fdopen */\r | |
129 | # else\r | |
130 | # ifndef fdopen\r | |
131 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
132 | # endif\r | |
133 | # endif\r | |
134 | # endif\r | |
135 | #endif\r | |
136 | \r | |
137 | #ifdef TOPS20\r | |
138 | # define OS_CODE 0x0a\r | |
139 | #endif\r | |
140 | \r | |
141 | #ifdef WIN32\r | |
142 | # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */\r | |
143 | # define OS_CODE 0x0b\r | |
144 | # endif\r | |
145 | #endif\r | |
146 | \r | |
147 | #ifdef __50SERIES /* Prime/PRIMOS */\r | |
148 | # define OS_CODE 0x0f\r | |
149 | #endif\r | |
150 | \r | |
151 | #if defined(_BEOS_) || defined(RISCOS)\r | |
152 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
153 | #endif\r | |
154 | \r | |
d11973f1 | 155 | #if !defined(UEFI_C_SOURCE) && (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined(__INTERIX)\r |
3ec97ca4 DM |
156 | # if defined(_WIN32_WCE)\r |
157 | # define fdopen(fd,mode) NULL /* No fdopen() */\r | |
158 | # ifndef _PTRDIFF_T_DEFINED\r | |
159 | typedef int ptrdiff_t;\r | |
160 | # define _PTRDIFF_T_DEFINED\r | |
161 | # endif\r | |
162 | # else\r | |
163 | # define fdopen(fd,type) _fdopen(fd,type)\r | |
164 | # endif\r | |
165 | #endif\r | |
166 | \r | |
167 | #if defined(__BORLANDC__) && !defined(MSDOS)\r | |
168 | #pragma warn -8004\r | |
169 | #pragma warn -8008\r | |
170 | #pragma warn -8066\r | |
171 | #endif\r | |
172 | \r | |
173 | /* provide prototypes for these when building zlib without LFS */\r | |
174 | #if !defined(_WIN32) && \\r | |
175 | (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)\r | |
176 | ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));\r | |
177 | ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));\r | |
178 | #endif\r | |
179 | \r | |
180 | /* common defaults */\r | |
181 | \r | |
182 | #ifndef OS_CODE\r | |
183 | # define OS_CODE 0x03 /* assume Unix */\r | |
184 | #endif\r | |
185 | \r | |
186 | #ifndef F_OPEN\r | |
187 | # define F_OPEN(name, mode) fopen((name), (mode))\r | |
188 | #endif\r | |
189 | \r | |
190 | /* functions */\r | |
191 | \r | |
192 | #if defined(pyr) || defined(Z_SOLO)\r | |
193 | # define NO_MEMCPY\r | |
194 | #endif\r | |
195 | #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)\r | |
196 | /* Use our own functions for small and medium model with MSC <= 5.0.\r | |
197 | * You may have to use the same strategy for Borland C (untested).\r | |
198 | * The __SC__ check is for Symantec.\r | |
199 | */\r | |
200 | # define NO_MEMCPY\r | |
201 | #endif\r | |
202 | #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)\r | |
203 | # define HAVE_MEMCPY\r | |
204 | #endif\r | |
205 | #ifdef HAVE_MEMCPY\r | |
206 | # ifdef SMALL_MEDIUM /* MSDOS small or medium model */\r | |
207 | # define zmemcpy _fmemcpy\r | |
208 | # define zmemcmp _fmemcmp\r | |
209 | # define zmemzero(dest, len) _fmemset(dest, 0, len)\r | |
210 | # else\r | |
211 | # define zmemcpy memcpy\r | |
212 | # define zmemcmp memcmp\r | |
213 | # define zmemzero(dest, len) memset(dest, 0, len)\r | |
214 | # endif\r | |
215 | #else\r | |
216 | void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));\r | |
217 | int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));\r | |
218 | void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));\r | |
219 | #endif\r | |
220 | \r | |
221 | /* Diagnostic functions */\r | |
222 | #ifdef DEBUG\r | |
223 | # include <stdio.h>\r | |
224 | extern int ZLIB_INTERNAL z_verbose;\r | |
225 | extern void ZLIB_INTERNAL z_error OF((char *m));\r | |
226 | # define Assert(cond,msg) {if(!(cond)) z_error(msg);}\r | |
227 | # define Trace(x) {if (z_verbose>=0) fprintf x ;}\r | |
228 | # define Tracev(x) {if (z_verbose>0) fprintf x ;}\r | |
229 | # define Tracevv(x) {if (z_verbose>1) fprintf x ;}\r | |
230 | # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}\r | |
231 | # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}\r | |
232 | #else\r | |
233 | # define Assert(cond,msg)\r | |
234 | # define Trace(x)\r | |
235 | # define Tracev(x)\r | |
236 | # define Tracevv(x)\r | |
237 | # define Tracec(c,x)\r | |
238 | # define Tracecv(c,x)\r | |
239 | #endif\r | |
240 | \r | |
241 | #ifndef Z_SOLO\r | |
242 | voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,\r | |
243 | unsigned size));\r | |
244 | void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));\r | |
245 | #endif\r | |
246 | \r | |
247 | #define ZALLOC(strm, items, size) \\r | |
248 | (*((strm)->zalloc))((strm)->opaque, (items), (size))\r | |
249 | #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))\r | |
250 | #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}\r | |
251 | \r | |
252 | /* Reverse the bytes in a 32-bit value */\r | |
253 | #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \\r | |
254 | (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))\r | |
255 | \r | |
256 | #endif /* ZUTIL_H */\r |