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annotate deps/Platinum/ThirdParty/Neptune/ThirdParty/zlib-1.2.3/zutil.h @ 0:3425707ddbf6

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Initial import (hopefully this mercurial stuff works...)
author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /* zutil.h -- internal interface and configuration of the compression library
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2 * Copyright (C) 1995-2005 Jean-loup Gailly.
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3 * For conditions of distribution and use, see copyright notice in zlib.h
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4 */
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5
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6 /* WARNING: this file should *not* be used by applications. It is
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7 part of the implementation of the compression library and is
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8 subject to change. Applications should only use zlib.h.
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9 */
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10
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11 /* @(#) $Id: zutil.h 87 2008-08-15 19:03:36Z bok $ */
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12
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13 #ifndef ZUTIL_H
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14 #define ZUTIL_H
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15
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16 #define ZLIB_INTERNAL
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17 #include "zlib.h"
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18
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19 #ifdef STDC
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20 # ifndef _WIN32_WCE
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21 # include <stddef.h>
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22 # endif
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23 # include <string.h>
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24 # include <stdlib.h>
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25 #endif
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26 #ifdef NO_ERRNO_H
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27 # ifdef _WIN32_WCE
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28 /* The Microsoft C Run-Time Library for Windows CE doesn't have
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29 * errno. We define it as a global variable to simplify porting.
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30 * Its value is always 0 and should not be used. We rename it to
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31 * avoid conflict with other libraries that use the same workaround.
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32 */
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33 # define errno z_errno
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34 # endif
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35 extern int errno;
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36 #else
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37 # ifndef _WIN32_WCE
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38 # include <errno.h>
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39 # endif
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40 #endif
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41
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42 #ifndef local
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43 # define local static
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44 #endif
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45 /* compile with -Dlocal if your debugger can't find static symbols */
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46
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47 typedef unsigned char uch;
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48 typedef uch FAR uchf;
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49 typedef unsigned short ush;
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50 typedef ush FAR ushf;
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51 typedef unsigned long ulg;
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52
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53 extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
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54 /* (size given to avoid silly warnings with Visual C++) */
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55
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56 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
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57
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58 #define ERR_RETURN(strm,err) \
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59 return (strm->msg = (char*)ERR_MSG(err), (err))
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60 /* To be used only when the state is known to be valid */
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61
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62 /* common constants */
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63
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64 #ifndef DEF_WBITS
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65 # define DEF_WBITS MAX_WBITS
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66 #endif
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67 /* default windowBits for decompression. MAX_WBITS is for compression only */
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68
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69 #if MAX_MEM_LEVEL >= 8
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70 # define DEF_MEM_LEVEL 8
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71 #else
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72 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
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73 #endif
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74 /* default memLevel */
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75
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76 #define STORED_BLOCK 0
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77 #define STATIC_TREES 1
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78 #define DYN_TREES 2
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79 /* The three kinds of block type */
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80
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81 #define MIN_MATCH 3
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82 #define MAX_MATCH 258
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83 /* The minimum and maximum match lengths */
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84
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85 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
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86
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87 /* target dependencies */
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88
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89 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
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90 # define OS_CODE 0x00
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91 # if defined(__TURBOC__) || defined(__BORLANDC__)
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92 # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
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93 /* Allow compilation with ANSI keywords only enabled */
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94 void _Cdecl farfree( void *block );
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95 void *_Cdecl farmalloc( unsigned long nbytes );
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96 # else
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97 # include <alloc.h>
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98 # endif
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99 # else /* MSC or DJGPP */
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100 # include <malloc.h>
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101 # endif
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102 #endif
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103
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104 #ifdef AMIGA
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105 # define OS_CODE 0x01
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106 #endif
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107
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108 #if defined(VAXC) || defined(VMS)
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109 # define OS_CODE 0x02
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110 # define F_OPEN(name, mode) \
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111 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
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112 #endif
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113
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114 #if defined(ATARI) || defined(atarist)
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115 # define OS_CODE 0x05
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116 #endif
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117
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118 #ifdef OS2
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119 # define OS_CODE 0x06
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120 # ifdef M_I86
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121 #include <malloc.h>
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122 # endif
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123 #endif
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124
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125 #if defined(MACOS) || defined(TARGET_OS_MAC)
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126 # define OS_CODE 0x07
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127 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
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128 # include <unix.h> /* for fdopen */
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129 # else
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130 # ifndef fdopen
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131 # define fdopen(fd,mode) NULL /* No fdopen() */
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132 # endif
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133 # endif
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134 #endif
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135
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136 #ifdef TOPS20
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137 # define OS_CODE 0x0a
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138 #endif
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139
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140 #ifdef WIN32
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141 # ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
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142 # define OS_CODE 0x0b
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143 # endif
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144 #endif
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145
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146 #ifdef __50SERIES /* Prime/PRIMOS */
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147 # define OS_CODE 0x0f
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148 #endif
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149
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150 #if defined(_BEOS_) || defined(RISCOS)
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151 # define fdopen(fd,mode) NULL /* No fdopen() */
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152 #endif
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153
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154 #if (defined(_MSC_VER) && (_MSC_VER > 600))
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155 # if defined(_WIN32_WCE)
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156 # define fdopen(fd,mode) NULL /* No fdopen() */
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157 # ifndef _PTRDIFF_T_DEFINED
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158 typedef int ptrdiff_t;
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159 # define _PTRDIFF_T_DEFINED
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160 # endif
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161 # else
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162 # define fdopen(fd,type) _fdopen(fd,type)
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163 # endif
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164 #endif
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165
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166 /* common defaults */
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167
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168 #ifndef OS_CODE
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169 # define OS_CODE 0x03 /* assume Unix */
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170 #endif
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171
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172 #ifndef F_OPEN
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173 # define F_OPEN(name, mode) fopen((name), (mode))
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174 #endif
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175
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176 /* functions */
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177
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178 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
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179 # ifndef HAVE_VSNPRINTF
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180 # define HAVE_VSNPRINTF
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181 # endif
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182 #endif
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183 #if defined(__CYGWIN__)
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184 # ifndef HAVE_VSNPRINTF
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185 # define HAVE_VSNPRINTF
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186 # endif
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187 #endif
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188 #ifndef HAVE_VSNPRINTF
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189 # ifdef MSDOS
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190 /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
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191 but for now we just assume it doesn't. */
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192 # define NO_vsnprintf
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193 # endif
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194 # ifdef __TURBOC__
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195 # define NO_vsnprintf
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196 # endif
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197 # ifdef WIN32
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198 /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
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199 # if !defined(vsnprintf) && !defined(NO_vsnprintf)
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200 # define vsnprintf _vsnprintf
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201 # endif
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202 # endif
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203 # ifdef __SASC
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204 # define NO_vsnprintf
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205 # endif
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206 #endif
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207 #ifdef VMS
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208 # define NO_vsnprintf
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209 #endif
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210
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211 #if defined(pyr)
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212 # define NO_MEMCPY
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213 #endif
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214 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
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215 /* Use our own functions for small and medium model with MSC <= 5.0.
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216 * You may have to use the same strategy for Borland C (untested).
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217 * The __SC__ check is for Symantec.
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218 */
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219 # define NO_MEMCPY
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220 #endif
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221 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
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222 # define HAVE_MEMCPY
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223 #endif
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224 #ifdef HAVE_MEMCPY
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225 # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
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226 # define zmemcpy _fmemcpy
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227 # define zmemcmp _fmemcmp
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228 # define zmemzero(dest, len) _fmemset(dest, 0, len)
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229 # else
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230 # define zmemcpy memcpy
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231 # define zmemcmp memcmp
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232 # define zmemzero(dest, len) memset(dest, 0, len)
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233 # endif
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234 #else
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235 extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
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236 extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
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237 extern void zmemzero OF((Bytef* dest, uInt len));
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238 #endif
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239
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240 /* Diagnostic functions */
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241 #ifdef DEBUG
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242 # include <stdio.h>
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243 extern int z_verbose;
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244 extern void z_error OF((char *m));
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245 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
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246 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
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247 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
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248 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
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249 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
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250 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
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251 #else
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252 # define Assert(cond,msg)
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253 # define Trace(x)
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254 # define Tracev(x)
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255 # define Tracevv(x)
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256 # define Tracec(c,x)
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257 # define Tracecv(c,x)
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258 #endif
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259
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260
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261 voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
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262 void zcfree OF((voidpf opaque, voidpf ptr));
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263
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264 #define ZALLOC(strm, items, size) \
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265 (*((strm)->zalloc))((strm)->opaque, (items), (size))
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266 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
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267 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
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268
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269 #endif /* ZUTIL_H */