Annotation of embedaddon/sudo/zlib/zutil.h, revision 1.1
1.1 ! misho 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: */
! 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: #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
! 21:
! 22: #include "zlib.h"
! 23:
! 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
! 31:
! 32: #ifndef local
! 33: # define local static
! 34: #endif
! 35: /* compile with -Dlocal if your debugger can't find static symbols */
! 36:
! 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;
! 42:
! 43: extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
! 44: /* (size given to avoid silly warnings with Visual C++) */
! 45:
! 46: #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
! 47:
! 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 */
! 51:
! 52: /* common constants */
! 53:
! 54: #ifndef DEF_WBITS
! 55: # define DEF_WBITS MAX_WBITS
! 56: #endif
! 57: /* default windowBits for decompression. MAX_WBITS is for compression only */
! 58:
! 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 */
! 65:
! 66: #define STORED_BLOCK 0
! 67: #define STATIC_TREES 1
! 68: #define DYN_TREES 2
! 69: /* The three kinds of block type */
! 70:
! 71: #define MIN_MATCH 3
! 72: #define MAX_MATCH 258
! 73: /* The minimum and maximum match lengths */
! 74:
! 75: #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
! 76:
! 77: /* target dependencies */
! 78:
! 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
! 93:
! 94: #ifdef AMIGA
! 95: # define OS_CODE 0x01
! 96: #endif
! 97:
! 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
! 103:
! 104: #if defined(ATARI) || defined(atarist)
! 105: # define OS_CODE 0x05
! 106: #endif
! 107:
! 108: #ifdef OS2
! 109: # define OS_CODE 0x06
! 110: # ifdef M_I86
! 111: # include <malloc.h>
! 112: # endif
! 113: #endif
! 114:
! 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
! 125:
! 126: #ifdef TOPS20
! 127: # define OS_CODE 0x0a
! 128: #endif
! 129:
! 130: #ifdef WIN32
! 131: # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
! 132: # define OS_CODE 0x0b
! 133: # endif
! 134: #endif
! 135:
! 136: #ifdef __50SERIES /* Prime/PRIMOS */
! 137: # define OS_CODE 0x0f
! 138: #endif
! 139:
! 140: #if defined(_BEOS_) || defined(RISCOS)
! 141: # define fdopen(fd,mode) NULL /* No fdopen() */
! 142: #endif
! 143:
! 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
! 155:
! 156: #if defined(__BORLANDC__)
! 157: #pragma warn -8004
! 158: #pragma warn -8008
! 159: #pragma warn -8066
! 160: #endif
! 161:
! 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
! 167:
! 168: /* common defaults */
! 169:
! 170: #ifndef OS_CODE
! 171: # define OS_CODE 0x03 /* assume Unix */
! 172: #endif
! 173:
! 174: #ifndef F_OPEN
! 175: # define F_OPEN(name, mode) fopen((name), (mode))
! 176: #endif
! 177:
! 178: /* functions */
! 179:
! 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
! 214:
! 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
! 243:
! 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
! 263:
! 264:
! 265: voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
! 266: unsigned size));
! 267: void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
! 268:
! 269: #define ZALLOC(strm, items, size) \
! 270: (*((strm)->zalloc))((strm)->opaque, (items), (size))
! 271: #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
! 272: #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
! 273:
! 274: #endif /* ZUTIL_H */
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