1 | /***************************************************************************/
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2 | /* */
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3 | /* ftconfig.h */
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4 | /* */
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5 | /* ANSI-specific configuration file (specification only). */
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6 | /* */
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7 | /* Copyright 1996-2001, 2002, 2003, 2004 by */
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8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */
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9 | /* */
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10 | /* This file is part of the FreeType project, and may only be used, */
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11 | /* modified, and distributed under the terms of the FreeType project */
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12 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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13 | /* this file you indicate that you have read the license and */
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14 | /* understand and accept it fully. */
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15 | /* */
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16 | /***************************************************************************/
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17 |
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18 |
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19 | /*************************************************************************/
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20 | /* */
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21 | /* This header file contains a number of macro definitions that are used */
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22 | /* by the rest of the engine. Most of the macros here are automatically */
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23 | /* determined at compile time, and you should not need to change it to */
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24 | /* port FreeType, except to compile the library with a non-ANSI */
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25 | /* compiler. */
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26 | /* */
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27 | /* Note however that if some specific modifications are needed, we */
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28 | /* advise you to place a modified copy in your build directory. */
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29 | /* */
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30 | /* The build directory is usually `freetype/builds/<system>', and */
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31 | /* contains system-specific files that are always included first when */
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32 | /* building the library. */
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33 | /* */
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34 | /* This ANSI version should stay in `include/freetype/config'. */
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35 | /* */
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36 | /*************************************************************************/
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37 |
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38 |
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39 | #ifndef __FTCONFIG_H__
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40 | #define __FTCONFIG_H__
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41 |
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42 | #include <ft2build.h>
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43 | #include FT_CONFIG_OPTIONS_H
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44 | #include FT_CONFIG_STANDARD_LIBRARY_H
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45 |
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46 | FT_BEGIN_HEADER
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47 |
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48 |
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49 | /*************************************************************************/
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50 | /* */
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51 | /* PLATFORM-SPECIFIC CONFIGURATION MACROS */
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52 | /* */
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53 | /* These macros can be toggled to suit a specific system. The current */
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54 | /* ones are defaults used to compile FreeType in an ANSI C environment */
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55 | /* (16bit compilers are also supported). Copy this file to your own */
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56 | /* `freetype/builds/<system>' directory, and edit it to port the engine. */
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57 | /* */
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58 | /*************************************************************************/
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59 |
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60 |
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61 | /* There are systems (like the Texas Instruments 'C54x) where a `char' */
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62 | /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
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63 | /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
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64 | /* is probably unexpected. */
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65 | /* */
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66 | /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
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67 | /* `char' type. */
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68 |
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69 | #ifndef FT_CHAR_BIT
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70 | #define FT_CHAR_BIT CHAR_BIT
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71 | #endif
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72 |
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73 |
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74 | /* The size of an `int' type. */
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75 | #if FT_UINT_MAX == 0xFFFFUL
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76 | #define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
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77 | #elif FT_UINT_MAX == 0xFFFFFFFFUL
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78 | #define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
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79 | #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
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80 | #define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
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81 | #else
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82 | #error "Unsupported size of `int' type!"
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83 | #endif
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84 |
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85 | /* The size of a `long' type. A five-byte `long' (as used e.g. on the */
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86 | /* DM642) is recognized but avoided. */
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87 | #if FT_ULONG_MAX == 0xFFFFFFFFUL
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88 | #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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89 | #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
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90 | #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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91 | #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
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92 | #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
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93 | #else
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94 | #error "Unsupported size of `long' type!"
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95 | #endif
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96 |
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97 |
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98 | /* Preferred alignment of data */
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99 | #define FT_ALIGNMENT 8
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100 |
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101 |
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102 | /* FT_UNUSED is a macro used to indicate that a given parameter is not */
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103 | /* used -- this is only used to get rid of unpleasant compiler warnings */
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104 | #ifndef FT_UNUSED
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105 | #define FT_UNUSED( arg ) ( (arg) = (arg) )
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106 | #endif
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107 |
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108 |
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109 | /*************************************************************************/
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110 | /* */
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111 | /* AUTOMATIC CONFIGURATION MACROS */
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112 | /* */
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113 | /* These macros are computed from the ones defined above. Don't touch */
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114 | /* their definition, unless you know precisely what you are doing. No */
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115 | /* porter should need to mess with them. */
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116 | /* */
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117 | /*************************************************************************/
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118 |
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119 |
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120 | /*************************************************************************/
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121 | /* */
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122 | /* Mac support */
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123 | /* */
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124 | /* This is the only necessary change, so it is defined here instead */
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125 | /* providing a new configuration file. */
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126 | /* */
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127 | #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
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128 | ( defined( __MWERKS__ ) && defined( macintosh ) )
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129 | #define FT_MACINTOSH 1
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130 | #endif
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131 |
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132 |
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133 | /*************************************************************************/
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134 | /* */
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135 | /* IntN types */
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136 | /* */
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137 | /* Used to guarantee the size of some specific integers. */
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138 | /* */
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139 | typedef signed short FT_Int16;
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140 | typedef unsigned short FT_UInt16;
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141 |
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142 | #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
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143 |
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144 | typedef signed int FT_Int32;
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145 | typedef unsigned int FT_UInt32;
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146 |
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147 | #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
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148 |
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149 | typedef signed long FT_Int32;
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150 | typedef unsigned long FT_UInt32;
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151 |
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152 | #else
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153 | #error "no 32bit type found -- please check your configuration files"
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154 | #endif
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155 |
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156 | /* look up an integer type that is at least 32 bits */
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157 | #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
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158 |
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159 | typedef int FT_Fast;
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160 | typedef unsigned int FT_UFast;
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161 |
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162 | #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
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163 |
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164 | typedef long FT_Fast;
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165 | typedef unsigned long FT_UFast;
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166 |
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167 | #endif
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168 |
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169 |
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170 | /* determine whether we have a 64-bit int type for platforms without */
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171 | /* Autoconf */
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172 | #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
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173 |
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174 | /* FT_LONG64 must be defined if a 64-bit type is available */
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175 | #define FT_LONG64
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176 | #define FT_INT64 long
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177 |
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178 | #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
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179 |
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180 | /* this compiler provides the __int64 type */
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181 | #define FT_LONG64
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182 | #define FT_INT64 __int64
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183 |
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184 | #elif defined( __BORLANDC__ ) /* Borland C++ */
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185 |
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186 | /* XXXX: We should probably check the value of __BORLANDC__ in order */
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187 | /* to test the compiler version. */
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188 |
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189 | /* this compiler provides the __int64 type */
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190 | #define FT_LONG64
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191 | #define FT_INT64 __int64
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192 |
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193 | #elif defined( __WATCOMC__ ) /* Watcom C++ */
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194 |
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195 | /* Watcom doesn't provide 64-bit data types */
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196 |
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197 | #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
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198 |
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199 | #define FT_LONG64
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200 | #define FT_INT64 long long int
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201 |
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202 | #elif defined( __GNUC__ )
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203 |
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204 | /* GCC provides the "long long" type */
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205 | #define FT_LONG64
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206 | #define FT_INT64 long long int
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207 |
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208 | #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
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209 |
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210 |
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211 | #define FT_BEGIN_STMNT do {
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212 | #define FT_END_STMNT } while ( 0 )
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213 | #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
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214 |
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215 |
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216 | /*************************************************************************/
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217 | /* */
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218 | /* A 64-bit data type will create compilation problems if you compile */
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219 | /* in strict ANSI mode. To avoid them, we disable their use if */
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220 | /* __STDC__ is defined. You can however ignore this rule by */
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221 | /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
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222 | /* */
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223 | #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
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224 |
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225 | #ifdef __STDC__
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226 |
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227 | /* undefine the 64-bit macros in strict ANSI compilation mode */
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228 | #undef FT_LONG64
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229 | #undef FT_INT64
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230 |
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231 | #endif /* __STDC__ */
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232 |
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233 | #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
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234 |
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235 |
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236 | #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
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237 |
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238 | #define FT_LOCAL( x ) static x
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239 | #define FT_LOCAL_DEF( x ) static x
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240 |
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241 | #else
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242 |
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243 | #ifdef __cplusplus
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244 | #define FT_LOCAL( x ) extern "C" x
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245 | #define FT_LOCAL_DEF( x ) extern "C" x
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246 | #else
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247 | #define FT_LOCAL( x ) extern x
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248 | #define FT_LOCAL_DEF( x ) x
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249 | #endif
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250 |
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251 | #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
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252 |
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253 |
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254 | #ifndef FT_BASE
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255 |
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256 | #ifdef __cplusplus
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257 | #define FT_BASE( x ) extern "C" x
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258 | #else
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259 | #define FT_BASE( x ) extern x
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260 | #endif
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261 |
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262 | #endif /* !FT_BASE */
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263 |
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264 |
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265 | #ifndef FT_BASE_DEF
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266 |
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267 | #ifdef __cplusplus
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268 | #define FT_BASE_DEF( x ) extern "C" x
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269 | #else
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270 | #define FT_BASE_DEF( x ) extern x
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271 | #endif
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272 |
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273 | #endif /* !FT_BASE_DEF */
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274 |
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275 |
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276 | #ifndef FT_EXPORT
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277 |
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278 | #ifdef __cplusplus
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279 | #define FT_EXPORT( x ) extern "C" x
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280 | #else
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281 | #define FT_EXPORT( x ) extern x
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282 | #endif
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283 |
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284 | #endif /* !FT_EXPORT */
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285 |
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286 |
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287 | #ifndef FT_EXPORT_DEF
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288 |
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289 | #ifdef __cplusplus
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290 | #define FT_EXPORT_DEF( x ) extern "C" x
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291 | #else
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292 | #define FT_EXPORT_DEF( x ) extern x
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293 | #endif
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294 |
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295 | #endif /* !FT_EXPORT_DEF */
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296 |
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297 |
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298 | #ifndef FT_EXPORT_VAR
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299 |
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300 | #ifdef __cplusplus
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301 | #define FT_EXPORT_VAR( x ) extern "C" x
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302 | #else
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303 | #define FT_EXPORT_VAR( x ) extern x
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304 | #endif
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305 |
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306 | #endif /* !FT_EXPORT_VAR */
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307 |
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308 | /* The following macros are needed to compile the library with a */
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309 | /* C++ compiler and with 16bit compilers. */
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310 | /* */
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311 |
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312 | /* This is special. Within C++, you must specify `extern "C"' for */
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313 | /* functions which are used via function pointers, and you also */
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314 | /* must do that for structures which contain function pointers to */
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315 | /* assure C linkage -- it's not possible to have (local) anonymous */
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316 | /* functions which are accessed by (global) function pointers. */
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317 | /* */
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318 | /* */
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319 | /* FT_CALLBACK_DEF is used to _define_ a callback function. */
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320 | /* */
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321 | /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
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322 | /* contains pointers to callback functions. */
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323 | /* */
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324 | /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
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325 | /* that contains pointers to callback functions. */
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326 | /* */
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327 | /* */
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328 | /* Some 16bit compilers have to redefine these macros to insert */
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329 | /* the infamous `_cdecl' or `__fastcall' declarations. */
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330 | /* */
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331 | #ifndef FT_CALLBACK_DEF
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332 | #ifdef __cplusplus
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333 | #define FT_CALLBACK_DEF( x ) extern "C" x
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334 | #else
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335 | #define FT_CALLBACK_DEF( x ) static x
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336 | #endif
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337 | #endif /* FT_CALLBACK_DEF */
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338 |
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339 | #ifndef FT_CALLBACK_TABLE
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340 | #ifdef __cplusplus
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341 | #define FT_CALLBACK_TABLE extern "C"
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342 | #define FT_CALLBACK_TABLE_DEF extern "C"
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343 | #else
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344 | #define FT_CALLBACK_TABLE extern
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345 | #define FT_CALLBACK_TABLE_DEF /* nothing */
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346 | #endif
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347 | #endif /* FT_CALLBACK_TABLE */
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348 |
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349 |
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350 | FT_END_HEADER
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351 |
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352 |
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353 | #endif /* __FTCONFIG_H__ */
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354 |
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355 |
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356 | /* END */
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