[processor-sdk/open-amp.git] / obsolete / system / generic / machine / zynq7 / linux-firmware / src / zlib / zutil.h
1 /* zutil.h -- internal interface and configuration of the compression library
2 * Copyright (C) 1995-2010 Jean-loup Gailly.
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
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 */
11 /* @(#) $Id$ */
13 #ifndef ZUTIL_H
14 #define ZUTIL_H
16 #if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ)
17 #define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
18 #else
19 #define ZLIB_INTERNAL
20 #endif
22 #include "zlib.h"
24 #ifdef STDC
25 #if !(defined(_WIN32_WCE) && defined(_MSC_VER))
26 #include <stddef.h>
27 #endif
28 #include <string.h>
29 #include <stdlib.h>
30 #endif
32 #ifndef local
33 #define local static
34 #endif
35 /* compile with -Dlocal if your debugger can't find static symbols */
37 typedef unsigned char uch;
38 typedef uch FAR uchf;
39 typedef unsigned short ush;
40 typedef ush FAR ushf;
41 typedef unsigned long ulg;
43 extern const char *const z_errmsg[10]; /* indexed by 2-zlib_error */
44 /* (size given to avoid silly warnings with Visual C++) */
46 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
48 #define ERR_RETURN(strm,err) \
49 return (strm->msg = (char*)ERR_MSG(err), (err))
50 /* To be used only when the state is known to be valid */
52 /* common constants */
54 #ifndef DEF_WBITS
55 #define DEF_WBITS MAX_WBITS
56 #endif
57 /* default windowBits for decompression. MAX_WBITS is for compression only */
59 #if MAX_MEM_LEVEL >= 8
60 #define DEF_MEM_LEVEL 8
61 #else
62 #define DEF_MEM_LEVEL MAX_MEM_LEVEL
63 #endif
64 /* default memLevel */
66 #define STORED_BLOCK 0
67 #define STATIC_TREES 1
68 #define DYN_TREES 2
69 /* The three kinds of block type */
71 #define MIN_MATCH 3
72 #define MAX_MATCH 258
73 /* The minimum and maximum match lengths */
75 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
77 /* target dependencies */
79 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
80 #define OS_CODE 0x00
81 #if defined(__TURBOC__) || defined(__BORLANDC__)
82 #if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
83 /* Allow compilation with ANSI keywords only enabled */
84 void _Cdecl farfree(void *block);
85 void *_Cdecl farmalloc(unsigned long nbytes);
86 #else
87 #include <alloc.h>
88 #endif
89 #else /* MSC or DJGPP */
90 #include <malloc.h>
91 #endif
92 #endif
94 #ifdef AMIGA
95 #define OS_CODE 0x01
96 #endif
98 #if defined(VAXC) || defined(VMS)
99 #define OS_CODE 0x02
100 #define F_OPEN(name, mode) \
101 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
102 #endif
104 #if defined(ATARI) || defined(atarist)
105 #define OS_CODE 0x05
106 #endif
108 #ifdef OS2
109 #define OS_CODE 0x06
110 #ifdef M_I86
111 #include <malloc.h>
112 #endif
113 #endif
115 #if defined(MACOS) || defined(TARGET_OS_MAC)
116 #define OS_CODE 0x07
117 #if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
118 #include <unix.h> /* for fdopen */
119 #else
120 #ifndef fdopen
121 #define fdopen(fd,mode) NULL /* No fdopen() */
122 #endif
123 #endif
124 #endif
126 #ifdef TOPS20
127 #define OS_CODE 0x0a
128 #endif
130 #ifdef WIN32
131 #ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
132 #define OS_CODE 0x0b
133 #endif
134 #endif
136 #ifdef __50SERIES /* Prime/PRIMOS */
137 #define OS_CODE 0x0f
138 #endif
140 #if defined(_BEOS_) || defined(RISCOS)
141 #define fdopen(fd,mode) NULL /* No fdopen() */
142 #endif
144 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
145 #if defined(_WIN32_WCE)
146 #define fdopen(fd,mode) NULL /* No fdopen() */
147 #ifndef _PTRDIFF_T_DEFINED
148 typedef int ptrdiff_t;
149 #define _PTRDIFF_T_DEFINED
150 #endif
151 #else
152 #define fdopen(fd,type) _fdopen(fd,type)
153 #endif
154 #endif
156 #if defined(__BORLANDC__)
157 #pragma warn -8004
158 #pragma warn -8008
159 #pragma warn -8066
160 #endif
162 /* provide prototypes for these when building zlib without LFS */
163 #if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
164 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
165 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
166 #endif
168 /* common defaults */
170 #ifndef OS_CODE
171 #define OS_CODE 0x03 /* assume Unix */
172 #endif
174 #ifndef F_OPEN
175 #define F_OPEN(name, mode) fopen((name), (mode))
176 #endif
178 /* functions */
180 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
181 #ifndef HAVE_VSNPRINTF
182 #define HAVE_VSNPRINTF
183 #endif
184 #endif
185 #if defined(__CYGWIN__)
186 #ifndef HAVE_VSNPRINTF
187 #define HAVE_VSNPRINTF
188 #endif
189 #endif
190 #ifndef HAVE_VSNPRINTF
191 #ifdef MSDOS
192 /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
193 but for now we just assume it doesn't. */
194 #define NO_vsnprintf
195 #endif
196 #ifdef __TURBOC__
197 #define NO_vsnprintf
198 #endif
199 #ifdef WIN32
200 /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
201 #if !defined(vsnprintf) && !defined(NO_vsnprintf)
202 #if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
203 #define vsnprintf _vsnprintf
204 #endif
205 #endif
206 #endif
207 #ifdef __SASC
208 #define NO_vsnprintf
209 #endif
210 #endif
211 #ifdef VMS
212 #define NO_vsnprintf
213 #endif
215 #if defined(pyr)
216 #define NO_MEMCPY
217 #endif
218 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
219 /* Use our own functions for small and medium model with MSC <= 5.0.
220 * You may have to use the same strategy for Borland C (untested).
221 * The __SC__ check is for Symantec.
222 */
223 #define NO_MEMCPY
224 #endif
225 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
226 #define HAVE_MEMCPY
227 #endif
228 #ifdef HAVE_MEMCPY
229 #ifdef SMALL_MEDIUM /* MSDOS small or medium model */
230 #define zmemcpy _fmemcpy
231 #define zmemcmp _fmemcmp
232 #define zmemzero(dest, len) _fmemset(dest, 0, len)
233 #else
234 #define zmemcpy memcpy
235 #define zmemcmp memcmp
236 #define zmemzero(dest, len) memset(dest, 0, len)
237 #endif
238 #else
239 void ZLIB_INTERNAL zmemcpy OF((Bytef * dest, const Bytef * source, uInt len));
240 int ZLIB_INTERNAL zmemcmp OF((const Bytef * s1, const Bytef * s2, uInt len));
241 void ZLIB_INTERNAL zmemzero OF((Bytef * dest, uInt len));
242 #endif
244 /* Diagnostic functions */
245 #ifdef DEBUG
246 #include <stdio.h>
247 extern int ZLIB_INTERNAL z_verbose;
248 extern void ZLIB_INTERNAL z_error OF((char *m));
249 #define Assert(cond,msg) {if(!(cond)) z_error(msg);}
250 #define Trace(x) {if (z_verbose>=0) fprintf x ;}
251 #define Tracev(x) {if (z_verbose>0) fprintf x ;}
252 #define Tracevv(x) {if (z_verbose>1) fprintf x ;}
253 #define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
254 #define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
255 #else
256 #define Assert(cond,msg)
257 #define Trace(x)
258 #define Tracev(x)
259 #define Tracevv(x)
260 #define Tracec(c,x)
261 #define Tracecv(c,x)
262 #endif
264 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, unsigned size));
265 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
267 #define ZALLOC(strm, items, size) \
268 (*((strm)->zalloc))((strm)->opaque, (items), (size))
269 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
270 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
272 #endif /* ZUTIL_H */