Annotation of embedaddon/rsync/zlib/zutil.h, revision 1.1.1.2
1.1 misho 1: /* zutil.h -- internal interface and configuration of the compression library
1.1.1.2 ! misho 2: * Copyright (C) 1995-2013 Jean-loup Gailly.
1.1 misho 3: * For conditions of distribution and use, see copyright notice in zlib.h
4: */
5:
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: */
10:
11: /* @(#) $Id$ */
12:
13: #ifndef ZUTIL_H
14: #define ZUTIL_H
15:
16: #define ZLIB_INTERNAL
17: #include "../rsync.h"
18: #include "zlib.h"
19:
20: #if 0
1.1.1.2 ! misho 21: #if defined(STDC) && !defined(Z_SOLO)
! 22: # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
1.1 misho 23: # include <stddef.h>
24: # endif
25: # include <string.h>
26: # include <stdlib.h>
27: #endif
28: #endif
1.1.1.2 ! misho 29:
! 30: #ifdef Z_SOLO
! 31: typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
1.1 misho 32: #endif
33:
34: #ifndef local
35: # define local static
36: #endif
37: /* compile with -Dlocal if your debugger can't find static symbols */
38:
39: typedef unsigned char uch;
40: typedef uch FAR uchf;
41: typedef unsigned short ush;
42: typedef ush FAR ushf;
43: typedef unsigned long ulg;
44:
1.1.1.2 ! misho 45: extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
1.1 misho 46: /* (size given to avoid silly warnings with Visual C++) */
47:
48: #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
49:
50: #define ERR_RETURN(strm,err) \
1.1.1.2 ! misho 51: return (strm->msg = ERR_MSG(err), (err))
1.1 misho 52: /* To be used only when the state is known to be valid */
53:
54: /* common constants */
55:
56: #ifndef DEF_WBITS
57: # define DEF_WBITS MAX_WBITS
58: #endif
59: /* default windowBits for decompression. MAX_WBITS is for compression only */
60:
61: #if MAX_MEM_LEVEL >= 8
62: # define DEF_MEM_LEVEL 8
63: #else
64: # define DEF_MEM_LEVEL MAX_MEM_LEVEL
65: #endif
66: /* default memLevel */
67:
68: #define STORED_BLOCK 0
69: #define STATIC_TREES 1
70: #define DYN_TREES 2
71: /* The three kinds of block type */
72:
73: #define MIN_MATCH 3
74: #define MAX_MATCH 258
75: /* The minimum and maximum match lengths */
76:
77: #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
78:
79: /* target dependencies */
80:
81: #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
82: # define OS_CODE 0x00
1.1.1.2 ! misho 83: # ifndef Z_SOLO
! 84: # if defined(__TURBOC__) || defined(__BORLANDC__)
! 85: # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
! 86: /* Allow compilation with ANSI keywords only enabled */
! 87: void _Cdecl farfree( void *block );
! 88: void *_Cdecl farmalloc( unsigned long nbytes );
! 89: # else
! 90: # include <alloc.h>
! 91: # endif
! 92: # else /* MSC or DJGPP */
! 93: # include <malloc.h>
1.1 misho 94: # endif
95: # endif
96: #endif
97:
98: #ifdef AMIGA
99: # define OS_CODE 0x01
100: #endif
101:
102: #if defined(VAXC) || defined(VMS)
103: # define OS_CODE 0x02
104: # define F_OPEN(name, mode) \
105: fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
106: #endif
107:
108: #if defined(ATARI) || defined(atarist)
109: # define OS_CODE 0x05
110: #endif
111:
112: #ifdef OS2
113: # define OS_CODE 0x06
1.1.1.2 ! misho 114: # if defined(M_I86) && !defined(Z_SOLO)
! 115: # include <malloc.h>
1.1 misho 116: # endif
117: #endif
118:
119: #if defined(MACOS) || defined(TARGET_OS_MAC)
120: # define OS_CODE 0x07
1.1.1.2 ! misho 121: # ifndef Z_SOLO
! 122: # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
! 123: # include <unix.h> /* for fdopen */
! 124: # else
! 125: # ifndef fdopen
! 126: # define fdopen(fd,mode) NULL /* No fdopen() */
! 127: # endif
1.1 misho 128: # endif
129: # endif
130: #endif
131:
132: #ifdef TOPS20
133: # define OS_CODE 0x0a
134: #endif
135:
136: #ifdef WIN32
137: # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
138: # define OS_CODE 0x0b
139: # endif
140: #endif
141:
142: #ifdef __50SERIES /* Prime/PRIMOS */
143: # define OS_CODE 0x0f
144: #endif
145:
146: #if defined(_BEOS_) || defined(RISCOS)
147: # define fdopen(fd,mode) NULL /* No fdopen() */
148: #endif
149:
1.1.1.2 ! misho 150: #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
1.1 misho 151: # if defined(_WIN32_WCE)
152: # define fdopen(fd,mode) NULL /* No fdopen() */
153: # ifndef _PTRDIFF_T_DEFINED
154: typedef int ptrdiff_t;
155: # define _PTRDIFF_T_DEFINED
156: # endif
157: # else
158: # define fdopen(fd,type) _fdopen(fd,type)
159: # endif
160: #endif
161:
1.1.1.2 ! misho 162: #if defined(__BORLANDC__) && !defined(MSDOS)
! 163: #pragma warn -8004
! 164: #pragma warn -8008
! 165: #pragma warn -8066
! 166: #endif
! 167:
! 168: /* provide prototypes for these when building zlib without LFS */
! 169: #if !defined(_WIN32) && \
! 170: (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
! 171: ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
! 172: ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
! 173: #endif
! 174:
1.1 misho 175: /* common defaults */
176:
177: #ifndef OS_CODE
178: # define OS_CODE 0x03 /* assume Unix */
179: #endif
180:
181: #ifndef F_OPEN
182: # define F_OPEN(name, mode) fopen((name), (mode))
183: #endif
184:
185: /* functions */
186:
1.1.1.2 ! misho 187: #if defined(pyr) || defined(Z_SOLO)
1.1 misho 188: # define NO_MEMCPY
189: #endif
190: #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
191: /* Use our own functions for small and medium model with MSC <= 5.0.
192: * You may have to use the same strategy for Borland C (untested).
193: * The __SC__ check is for Symantec.
194: */
195: # define NO_MEMCPY
196: #endif
197: #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
198: # define HAVE_MEMCPY
199: #endif
200: #ifdef HAVE_MEMCPY
201: # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
202: # define zmemcpy _fmemcpy
203: # define zmemcmp _fmemcmp
204: # define zmemzero(dest, len) _fmemset(dest, 0, len)
205: # else
206: # define zmemcpy memcpy
207: # define zmemcmp memcmp
208: # define zmemzero(dest, len) memset(dest, 0, len)
209: # endif
210: #else
1.1.1.2 ! misho 211: void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
! 212: int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
! 213: void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
1.1 misho 214: #endif
215:
216: /* Diagnostic functions */
217: #ifdef DEBUG
218: # include <stdio.h>
1.1.1.2 ! misho 219: extern int ZLIB_INTERNAL z_verbose;
! 220: extern void ZLIB_INTERNAL z_error OF((char *m));
1.1 misho 221: # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
222: # define Trace(x) {if (z_verbose>=0) fprintf x ;}
223: # define Tracev(x) {if (z_verbose>0) fprintf x ;}
224: # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
225: # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
226: # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
227: #else
228: # define Assert(cond,msg)
229: # define Trace(x)
230: # define Tracev(x)
231: # define Tracevv(x)
232: # define Tracec(c,x)
233: # define Tracecv(c,x)
234: #endif
235:
1.1.1.2 ! misho 236: #ifndef Z_SOLO
! 237: voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
! 238: unsigned size));
! 239: void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
! 240: #endif
1.1 misho 241:
242: #define ZALLOC(strm, items, size) \
243: (*((strm)->zalloc))((strm)->opaque, (items), (size))
244: #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
245: #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
246:
1.1.1.2 ! misho 247: /* Reverse the bytes in a 32-bit value */
! 248: #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
! 249: (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
! 250:
1.1 misho 251: #endif /* ZUTIL_H */
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