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annotate src/zlib-1.2.7/zutil.h @ 169:223a55898ab9 tip default

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Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents 8a15ff55d9af
children
rev   line source
cannam@89 1 /* zutil.h -- internal interface and configuration of the compression library
cannam@89 2 * Copyright (C) 1995-2012 Jean-loup Gailly.
cannam@89 3 * For conditions of distribution and use, see copyright notice in zlib.h
cannam@89 4 */
cannam@89 5
cannam@89 6 /* WARNING: this file should *not* be used by applications. It is
cannam@89 7 part of the implementation of the compression library and is
cannam@89 8 subject to change. Applications should only use zlib.h.
cannam@89 9 */
cannam@89 10
cannam@89 11 /* @(#) $Id$ */
cannam@89 12
cannam@89 13 #ifndef ZUTIL_H
cannam@89 14 #define ZUTIL_H
cannam@89 15
cannam@89 16 #ifdef HAVE_HIDDEN
cannam@89 17 # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
cannam@89 18 #else
cannam@89 19 # define ZLIB_INTERNAL
cannam@89 20 #endif
cannam@89 21
cannam@89 22 #include "zlib.h"
cannam@89 23
cannam@89 24 #if defined(STDC) && !defined(Z_SOLO)
cannam@89 25 # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
cannam@89 26 # include <stddef.h>
cannam@89 27 # endif
cannam@89 28 # include <string.h>
cannam@89 29 # include <stdlib.h>
cannam@89 30 #endif
cannam@89 31
cannam@89 32 #ifdef Z_SOLO
cannam@89 33 typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
cannam@89 34 #endif
cannam@89 35
cannam@89 36 #ifndef local
cannam@89 37 # define local static
cannam@89 38 #endif
cannam@89 39 /* compile with -Dlocal if your debugger can't find static symbols */
cannam@89 40
cannam@89 41 typedef unsigned char uch;
cannam@89 42 typedef uch FAR uchf;
cannam@89 43 typedef unsigned short ush;
cannam@89 44 typedef ush FAR ushf;
cannam@89 45 typedef unsigned long ulg;
cannam@89 46
cannam@89 47 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
cannam@89 48 /* (size given to avoid silly warnings with Visual C++) */
cannam@89 49
cannam@89 50 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
cannam@89 51
cannam@89 52 #define ERR_RETURN(strm,err) \
cannam@89 53 return (strm->msg = (char*)ERR_MSG(err), (err))
cannam@89 54 /* To be used only when the state is known to be valid */
cannam@89 55
cannam@89 56 /* common constants */
cannam@89 57
cannam@89 58 #ifndef DEF_WBITS
cannam@89 59 # define DEF_WBITS MAX_WBITS
cannam@89 60 #endif
cannam@89 61 /* default windowBits for decompression. MAX_WBITS is for compression only */
cannam@89 62
cannam@89 63 #if MAX_MEM_LEVEL >= 8
cannam@89 64 # define DEF_MEM_LEVEL 8
cannam@89 65 #else
cannam@89 66 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
cannam@89 67 #endif
cannam@89 68 /* default memLevel */
cannam@89 69
cannam@89 70 #define STORED_BLOCK 0
cannam@89 71 #define STATIC_TREES 1
cannam@89 72 #define DYN_TREES 2
cannam@89 73 /* The three kinds of block type */
cannam@89 74
cannam@89 75 #define MIN_MATCH 3
cannam@89 76 #define MAX_MATCH 258
cannam@89 77 /* The minimum and maximum match lengths */
cannam@89 78
cannam@89 79 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
cannam@89 80
cannam@89 81 /* target dependencies */
cannam@89 82
cannam@89 83 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
cannam@89 84 # define OS_CODE 0x00
cannam@89 85 # ifndef Z_SOLO
cannam@89 86 # if defined(__TURBOC__) || defined(__BORLANDC__)
cannam@89 87 # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
cannam@89 88 /* Allow compilation with ANSI keywords only enabled */
cannam@89 89 void _Cdecl farfree( void *block );
cannam@89 90 void *_Cdecl farmalloc( unsigned long nbytes );
cannam@89 91 # else
cannam@89 92 # include <alloc.h>
cannam@89 93 # endif
cannam@89 94 # else /* MSC or DJGPP */
cannam@89 95 # include <malloc.h>
cannam@89 96 # endif
cannam@89 97 # endif
cannam@89 98 #endif
cannam@89 99
cannam@89 100 #ifdef AMIGA
cannam@89 101 # define OS_CODE 0x01
cannam@89 102 #endif
cannam@89 103
cannam@89 104 #if defined(VAXC) || defined(VMS)
cannam@89 105 # define OS_CODE 0x02
cannam@89 106 # define F_OPEN(name, mode) \
cannam@89 107 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
cannam@89 108 #endif
cannam@89 109
cannam@89 110 #if defined(ATARI) || defined(atarist)
cannam@89 111 # define OS_CODE 0x05
cannam@89 112 #endif
cannam@89 113
cannam@89 114 #ifdef OS2
cannam@89 115 # define OS_CODE 0x06
cannam@89 116 # if defined(M_I86) && !defined(Z_SOLO)
cannam@89 117 # include <malloc.h>
cannam@89 118 # endif
cannam@89 119 #endif
cannam@89 120
cannam@89 121 #if defined(MACOS) || defined(TARGET_OS_MAC)
cannam@89 122 # define OS_CODE 0x07
cannam@89 123 # ifndef Z_SOLO
cannam@89 124 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
cannam@89 125 # include <unix.h> /* for fdopen */
cannam@89 126 # else
cannam@89 127 # ifndef fdopen
cannam@89 128 # define fdopen(fd,mode) NULL /* No fdopen() */
cannam@89 129 # endif
cannam@89 130 # endif
cannam@89 131 # endif
cannam@89 132 #endif
cannam@89 133
cannam@89 134 #ifdef TOPS20
cannam@89 135 # define OS_CODE 0x0a
cannam@89 136 #endif
cannam@89 137
cannam@89 138 #ifdef WIN32
cannam@89 139 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
cannam@89 140 # define OS_CODE 0x0b
cannam@89 141 # endif
cannam@89 142 #endif
cannam@89 143
cannam@89 144 #ifdef __50SERIES /* Prime/PRIMOS */
cannam@89 145 # define OS_CODE 0x0f
cannam@89 146 #endif
cannam@89 147
cannam@89 148 #if defined(_BEOS_) || defined(RISCOS)
cannam@89 149 # define fdopen(fd,mode) NULL /* No fdopen() */
cannam@89 150 #endif
cannam@89 151
cannam@89 152 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
cannam@89 153 # if defined(_WIN32_WCE)
cannam@89 154 # define fdopen(fd,mode) NULL /* No fdopen() */
cannam@89 155 # ifndef _PTRDIFF_T_DEFINED
cannam@89 156 typedef int ptrdiff_t;
cannam@89 157 # define _PTRDIFF_T_DEFINED
cannam@89 158 # endif
cannam@89 159 # else
cannam@89 160 # define fdopen(fd,type) _fdopen(fd,type)
cannam@89 161 # endif
cannam@89 162 #endif
cannam@89 163
cannam@89 164 #if defined(__BORLANDC__) && !defined(MSDOS)
cannam@89 165 #pragma warn -8004
cannam@89 166 #pragma warn -8008
cannam@89 167 #pragma warn -8066
cannam@89 168 #endif
cannam@89 169
cannam@89 170 /* provide prototypes for these when building zlib without LFS */
cannam@89 171 #if !defined(_WIN32) && (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
cannam@89 172 ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
cannam@89 173 ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
cannam@89 174 #endif
cannam@89 175
cannam@89 176 /* common defaults */
cannam@89 177
cannam@89 178 #ifndef OS_CODE
cannam@89 179 # define OS_CODE 0x03 /* assume Unix */
cannam@89 180 #endif
cannam@89 181
cannam@89 182 #ifndef F_OPEN
cannam@89 183 # define F_OPEN(name, mode) fopen((name), (mode))
cannam@89 184 #endif
cannam@89 185
cannam@89 186 /* functions */
cannam@89 187
cannam@89 188 #if defined(pyr) || defined(Z_SOLO)
cannam@89 189 # define NO_MEMCPY
cannam@89 190 #endif
cannam@89 191 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
cannam@89 192 /* Use our own functions for small and medium model with MSC <= 5.0.
cannam@89 193 * You may have to use the same strategy for Borland C (untested).
cannam@89 194 * The __SC__ check is for Symantec.
cannam@89 195 */
cannam@89 196 # define NO_MEMCPY
cannam@89 197 #endif
cannam@89 198 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
cannam@89 199 # define HAVE_MEMCPY
cannam@89 200 #endif
cannam@89 201 #ifdef HAVE_MEMCPY
cannam@89 202 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
cannam@89 203 # define zmemcpy _fmemcpy
cannam@89 204 # define zmemcmp _fmemcmp
cannam@89 205 # define zmemzero(dest, len) _fmemset(dest, 0, len)
cannam@89 206 # else
cannam@89 207 # define zmemcpy memcpy
cannam@89 208 # define zmemcmp memcmp
cannam@89 209 # define zmemzero(dest, len) memset(dest, 0, len)
cannam@89 210 # endif
cannam@89 211 #else
cannam@89 212 void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
cannam@89 213 int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
cannam@89 214 void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
cannam@89 215 #endif
cannam@89 216
cannam@89 217 /* Diagnostic functions */
cannam@89 218 #ifdef DEBUG
cannam@89 219 # include <stdio.h>
cannam@89 220 extern int ZLIB_INTERNAL z_verbose;
cannam@89 221 extern void ZLIB_INTERNAL z_error OF((char *m));
cannam@89 222 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
cannam@89 223 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
cannam@89 224 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
cannam@89 225 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
cannam@89 226 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
cannam@89 227 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
cannam@89 228 #else
cannam@89 229 # define Assert(cond,msg)
cannam@89 230 # define Trace(x)
cannam@89 231 # define Tracev(x)
cannam@89 232 # define Tracevv(x)
cannam@89 233 # define Tracec(c,x)
cannam@89 234 # define Tracecv(c,x)
cannam@89 235 #endif
cannam@89 236
cannam@89 237 #ifndef Z_SOLO
cannam@89 238 voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
cannam@89 239 unsigned size));
cannam@89 240 void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
cannam@89 241 #endif
cannam@89 242
cannam@89 243 #define ZALLOC(strm, items, size) \
cannam@89 244 (*((strm)->zalloc))((strm)->opaque, (items), (size))
cannam@89 245 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
cannam@89 246 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
cannam@89 247
cannam@89 248 /* Reverse the bytes in a 32-bit value */
cannam@89 249 #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
cannam@89 250 (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
cannam@89 251
cannam@89 252 #endif /* ZUTIL_H */