Annotation of embedaddon/rsync/zlib/zutil.h, revision 1.1
1.1 ! misho 1: /* zutil.h -- internal interface and configuration of the compression library
! 2: * Copyright (C) 1995-2005 Jean-loup Gailly.
! 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
! 21: #ifdef STDC
! 22: # ifndef _WIN32_WCE
! 23: # include <stddef.h>
! 24: # endif
! 25: # include <string.h>
! 26: # include <stdlib.h>
! 27: #endif
! 28: #ifdef NO_ERRNO_H
! 29: # ifdef _WIN32_WCE
! 30: /* The Microsoft C Run-Time Library for Windows CE doesn't have
! 31: * errno. We define it as a global variable to simplify porting.
! 32: * Its value is always 0 and should not be used. We rename it to
! 33: * avoid conflict with other libraries that use the same workaround.
! 34: */
! 35: # define errno z_errno
! 36: # endif
! 37: extern int errno;
! 38: #else
! 39: # ifndef _WIN32_WCE
! 40: # include <errno.h>
! 41: # endif
! 42: #endif
! 43: #endif
! 44:
! 45: #ifndef local
! 46: # define local static
! 47: #endif
! 48: /* compile with -Dlocal if your debugger can't find static symbols */
! 49:
! 50: typedef unsigned char uch;
! 51: typedef uch FAR uchf;
! 52: typedef unsigned short ush;
! 53: typedef ush FAR ushf;
! 54: typedef unsigned long ulg;
! 55:
! 56: extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
! 57: /* (size given to avoid silly warnings with Visual C++) */
! 58:
! 59: #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
! 60:
! 61: #define ERR_RETURN(strm,err) \
! 62: return (strm->msg = (char*)ERR_MSG(err), (err))
! 63: /* To be used only when the state is known to be valid */
! 64:
! 65: /* common constants */
! 66:
! 67: #ifndef DEF_WBITS
! 68: # define DEF_WBITS MAX_WBITS
! 69: #endif
! 70: /* default windowBits for decompression. MAX_WBITS is for compression only */
! 71:
! 72: #if MAX_MEM_LEVEL >= 8
! 73: # define DEF_MEM_LEVEL 8
! 74: #else
! 75: # define DEF_MEM_LEVEL MAX_MEM_LEVEL
! 76: #endif
! 77: /* default memLevel */
! 78:
! 79: #define STORED_BLOCK 0
! 80: #define STATIC_TREES 1
! 81: #define DYN_TREES 2
! 82: /* The three kinds of block type */
! 83:
! 84: #define MIN_MATCH 3
! 85: #define MAX_MATCH 258
! 86: /* The minimum and maximum match lengths */
! 87:
! 88: #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
! 89:
! 90: /* target dependencies */
! 91:
! 92: #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
! 93: # define OS_CODE 0x00
! 94: # if defined(__TURBOC__) || defined(__BORLANDC__)
! 95: # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
! 96: /* Allow compilation with ANSI keywords only enabled */
! 97: void _Cdecl farfree( void *block );
! 98: void *_Cdecl farmalloc( unsigned long nbytes );
! 99: # else
! 100: # include <alloc.h>
! 101: # endif
! 102: # else /* MSC or DJGPP */
! 103: # include <malloc.h>
! 104: # endif
! 105: #endif
! 106:
! 107: #ifdef AMIGA
! 108: # define OS_CODE 0x01
! 109: #endif
! 110:
! 111: #if defined(VAXC) || defined(VMS)
! 112: # define OS_CODE 0x02
! 113: # define F_OPEN(name, mode) \
! 114: fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
! 115: #endif
! 116:
! 117: #if defined(ATARI) || defined(atarist)
! 118: # define OS_CODE 0x05
! 119: #endif
! 120:
! 121: #ifdef OS2
! 122: # define OS_CODE 0x06
! 123: # ifdef M_I86
! 124: #include <malloc.h>
! 125: # endif
! 126: #endif
! 127:
! 128: #if defined(MACOS) || defined(TARGET_OS_MAC)
! 129: # define OS_CODE 0x07
! 130: # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
! 131: # include <unix.h> /* for fdopen */
! 132: # else
! 133: # ifndef fdopen
! 134: # define fdopen(fd,mode) NULL /* No fdopen() */
! 135: # endif
! 136: # endif
! 137: #endif
! 138:
! 139: #ifdef TOPS20
! 140: # define OS_CODE 0x0a
! 141: #endif
! 142:
! 143: #ifdef WIN32
! 144: # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
! 145: # define OS_CODE 0x0b
! 146: # endif
! 147: #endif
! 148:
! 149: #ifdef __50SERIES /* Prime/PRIMOS */
! 150: # define OS_CODE 0x0f
! 151: #endif
! 152:
! 153: #if defined(_BEOS_) || defined(RISCOS)
! 154: # define fdopen(fd,mode) NULL /* No fdopen() */
! 155: #endif
! 156:
! 157: #if (defined(_MSC_VER) && (_MSC_VER > 600))
! 158: # if defined(_WIN32_WCE)
! 159: # define fdopen(fd,mode) NULL /* No fdopen() */
! 160: # ifndef _PTRDIFF_T_DEFINED
! 161: typedef int ptrdiff_t;
! 162: # define _PTRDIFF_T_DEFINED
! 163: # endif
! 164: # else
! 165: # define fdopen(fd,type) _fdopen(fd,type)
! 166: # endif
! 167: #endif
! 168:
! 169: /* common defaults */
! 170:
! 171: #ifndef OS_CODE
! 172: # define OS_CODE 0x03 /* assume Unix */
! 173: #endif
! 174:
! 175: #ifndef F_OPEN
! 176: # define F_OPEN(name, mode) fopen((name), (mode))
! 177: #endif
! 178:
! 179: /* functions */
! 180:
! 181: #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
! 182: # ifndef HAVE_VSNPRINTF
! 183: # define HAVE_VSNPRINTF
! 184: # endif
! 185: #endif
! 186: #if defined(__CYGWIN__)
! 187: # ifndef HAVE_VSNPRINTF
! 188: # define HAVE_VSNPRINTF
! 189: # endif
! 190: #endif
! 191: #ifndef HAVE_VSNPRINTF
! 192: # ifdef MSDOS
! 193: /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
! 194: but for now we just assume it doesn't. */
! 195: # define NO_vsnprintf
! 196: # endif
! 197: # ifdef __TURBOC__
! 198: # define NO_vsnprintf
! 199: # endif
! 200: # ifdef WIN32
! 201: /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
! 202: # if !defined(vsnprintf) && !defined(NO_vsnprintf)
! 203: # define vsnprintf _vsnprintf
! 204: # endif
! 205: # endif
! 206: # ifdef __SASC
! 207: # define NO_vsnprintf
! 208: # endif
! 209: #endif
! 210: #ifdef VMS
! 211: # define NO_vsnprintf
! 212: #endif
! 213:
! 214: #if defined(pyr)
! 215: # define NO_MEMCPY
! 216: #endif
! 217: #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
! 218: /* Use our own functions for small and medium model with MSC <= 5.0.
! 219: * You may have to use the same strategy for Borland C (untested).
! 220: * The __SC__ check is for Symantec.
! 221: */
! 222: # define NO_MEMCPY
! 223: #endif
! 224: #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
! 225: # define HAVE_MEMCPY
! 226: #endif
! 227: #ifdef HAVE_MEMCPY
! 228: # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
! 229: # define zmemcpy _fmemcpy
! 230: # define zmemcmp _fmemcmp
! 231: # define zmemzero(dest, len) _fmemset(dest, 0, len)
! 232: # else
! 233: # define zmemcpy memcpy
! 234: # define zmemcmp memcmp
! 235: # define zmemzero(dest, len) memset(dest, 0, len)
! 236: # endif
! 237: #else
! 238: extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
! 239: extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
! 240: extern void zmemzero OF((Bytef* dest, uInt len));
! 241: #endif
! 242:
! 243: /* Diagnostic functions */
! 244: #ifdef DEBUG
! 245: # include <stdio.h>
! 246: extern int z_verbose;
! 247: extern void z_error OF((char *m));
! 248: # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
! 249: # define Trace(x) {if (z_verbose>=0) fprintf x ;}
! 250: # define Tracev(x) {if (z_verbose>0) fprintf x ;}
! 251: # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
! 252: # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
! 253: # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
! 254: #else
! 255: # define Assert(cond,msg)
! 256: # define Trace(x)
! 257: # define Tracev(x)
! 258: # define Tracevv(x)
! 259: # define Tracec(c,x)
! 260: # define Tracecv(c,x)
! 261: #endif
! 262:
! 263:
! 264: voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
! 265: void zcfree OF((voidpf opaque, voidpf ptr));
! 266:
! 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);}
! 271:
! 272: #endif /* ZUTIL_H */
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