1/***************************************************************************/ 2/* */ 3/* ftconfig.h */ 4/* */ 5/* ANSI-specific configuration file (specification only). */ 6/* */ 7/* Copyright 1996-2017 by */ 8/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 9/* */ 10/* This file is part of the FreeType project, and may only be used, */ 11/* modified, and distributed under the terms of the FreeType project */ 12/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 13/* this file you indicate that you have read the license and */ 14/* understand and accept it fully. */ 15/* */ 16/***************************************************************************/ 17 18 19 /*************************************************************************/ 20 /* */ 21 /* This header file contains a number of macro definitions that are used */ 22 /* by the rest of the engine. Most of the macros here are automatically */ 23 /* determined at compile time, and you should not need to change it to */ 24 /* port FreeType, except to compile the library with a non-ANSI */ 25 /* compiler. */ 26 /* */ 27 /* Note however that if some specific modifications are needed, we */ 28 /* advise you to place a modified copy in your build directory. */ 29 /* */ 30 /* The build directory is usually `builds/<system>', and contains */ 31 /* system-specific files that are always included first when building */ 32 /* the library. */ 33 /* */ 34 /* This ANSI version should stay in `include/config/'. */ 35 /* */ 36 /*************************************************************************/ 37 38#ifndef FTCONFIG_H_ 39#define FTCONFIG_H_ 40 41#include <ft2build.h> 42#include FT_CONFIG_OPTIONS_H 43#include FT_CONFIG_STANDARD_LIBRARY_H 44 45 46FT_BEGIN_HEADER 47 48 49 /*************************************************************************/ 50 /* */ 51 /* PLATFORM-SPECIFIC CONFIGURATION MACROS */ 52 /* */ 53 /* These macros can be toggled to suit a specific system. The current */ 54 /* ones are defaults used to compile FreeType in an ANSI C environment */ 55 /* (16bit compilers are also supported). Copy this file to your own */ 56 /* `builds/<system>' directory, and edit it to port the engine. */ 57 /* */ 58 /*************************************************************************/ 59 60 61 /* There are systems (like the Texas Instruments 'C54x) where a `char' */ 62 /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */ 63 /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */ 64 /* is probably unexpected. */ 65 /* */ 66 /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ 67 /* `char' type. */ 68 69#ifndef FT_CHAR_BIT 70#define FT_CHAR_BIT CHAR_BIT 71#endif 72 73 74 /* The size of an `int' type. */ 75#if FT_UINT_MAX == 0xFFFFUL 76#define FT_SIZEOF_INT (16 / FT_CHAR_BIT) 77#elif FT_UINT_MAX == 0xFFFFFFFFUL 78#define FT_SIZEOF_INT (32 / FT_CHAR_BIT) 79#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL 80#define FT_SIZEOF_INT (64 / FT_CHAR_BIT) 81#else 82#error "Unsupported size of `int' type!" 83#endif 84 85 /* The size of a `long' type. A five-byte `long' (as used e.g. on the */ 86 /* DM642) is recognized but avoided. */ 87#if FT_ULONG_MAX == 0xFFFFFFFFUL 88#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) 89#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL 90#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) 91#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL 92#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT) 93#else 94#error "Unsupported size of `long' type!" 95#endif 96 97 98 /* FT_UNUSED is a macro used to indicate that a given parameter is not */ 99 /* used -- this is only used to get rid of unpleasant compiler warnings */ 100#ifndef FT_UNUSED 101#define FT_UNUSED( arg ) ( (arg) = (arg) ) 102#endif 103 104 105 /*************************************************************************/ 106 /* */ 107 /* AUTOMATIC CONFIGURATION MACROS */ 108 /* */ 109 /* These macros are computed from the ones defined above. Don't touch */ 110 /* their definition, unless you know precisely what you are doing. No */ 111 /* porter should need to mess with them. */ 112 /* */ 113 /*************************************************************************/ 114 115 116 /*************************************************************************/ 117 /* */ 118 /* Mac support */ 119 /* */ 120 /* This is the only necessary change, so it is defined here instead */ 121 /* providing a new configuration file. */ 122 /* */ 123#if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) ) 124 /* no Carbon frameworks for 64bit 10.4.x */ 125 /* AvailabilityMacros.h is available since Mac OS X 10.2, */ 126 /* so guess the system version by maximum errno before inclusion */ 127#include <errno.h> 128#ifdef ECANCELED /* defined since 10.2 */ 129#include "AvailabilityMacros.h" 130#endif 131#if defined( __LP64__ ) && \ 132 ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) 133#undef FT_MACINTOSH 134#endif 135 136#elif defined( __SC__ ) || defined( __MRC__ ) 137 /* Classic MacOS compilers */ 138#include "ConditionalMacros.h" 139#if TARGET_OS_MAC 140#define FT_MACINTOSH 1 141#endif 142 143#endif 144 145 146 /* Fix compiler warning with sgi compiler */ 147#if defined( __sgi ) && !defined( __GNUC__ ) 148#if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) 149#pragma set woff 3505 150#endif 151#endif 152 153 154 /*************************************************************************/ 155 /* */ 156 /* <Section> */ 157 /* basic_types */ 158 /* */ 159 /*************************************************************************/ 160 161 162 /*************************************************************************/ 163 /* */ 164 /* <Type> */ 165 /* FT_Int16 */ 166 /* */ 167 /* <Description> */ 168 /* A typedef for a 16bit signed integer type. */ 169 /* */ 170 typedef signed short FT_Int16; 171 172 173 /*************************************************************************/ 174 /* */ 175 /* <Type> */ 176 /* FT_UInt16 */ 177 /* */ 178 /* <Description> */ 179 /* A typedef for a 16bit unsigned integer type. */ 180 /* */ 181 typedef unsigned short FT_UInt16; 182 183 /* */ 184 185 186 /* this #if 0 ... #endif clause is for documentation purposes */ 187#if 0 188 189 /*************************************************************************/ 190 /* */ 191 /* <Type> */ 192 /* FT_Int32 */ 193 /* */ 194 /* <Description> */ 195 /* A typedef for a 32bit signed integer type. The size depends on */ 196 /* the configuration. */ 197 /* */ 198 typedef signed XXX FT_Int32; 199 200 201 /*************************************************************************/ 202 /* */ 203 /* <Type> */ 204 /* FT_UInt32 */ 205 /* */ 206 /* A typedef for a 32bit unsigned integer type. The size depends on */ 207 /* the configuration. */ 208 /* */ 209 typedef unsigned XXX FT_UInt32; 210 211 212 /*************************************************************************/ 213 /* */ 214 /* <Type> */ 215 /* FT_Int64 */ 216 /* */ 217 /* A typedef for a 64bit signed integer type. The size depends on */ 218 /* the configuration. Only defined if there is real 64bit support; */ 219 /* otherwise, it gets emulated with a structure (if necessary). */ 220 /* */ 221 typedef signed XXX FT_Int64; 222 223 224 /*************************************************************************/ 225 /* */ 226 /* <Type> */ 227 /* FT_UInt64 */ 228 /* */ 229 /* A typedef for a 64bit unsigned integer type. The size depends on */ 230 /* the configuration. Only defined if there is real 64bit support; */ 231 /* otherwise, it gets emulated with a structure (if necessary). */ 232 /* */ 233 typedef unsigned XXX FT_UInt64; 234 235 /* */ 236 237#endif 238 239#if FT_SIZEOF_INT == (32 / FT_CHAR_BIT) 240 241 typedef signed int FT_Int32; 242 typedef unsigned int FT_UInt32; 243 244#elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT) 245 246 typedef signed long FT_Int32; 247 typedef unsigned long FT_UInt32; 248 249#else 250#error "no 32bit type found -- please check your configuration files" 251#endif 252 253 254 /* look up an integer type that is at least 32 bits */ 255#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT) 256 257 typedef int FT_Fast; 258 typedef unsigned int FT_UFast; 259 260#elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT) 261 262 typedef long FT_Fast; 263 typedef unsigned long FT_UFast; 264 265#endif 266 267 268 /* determine whether we have a 64-bit int type for platforms without */ 269 /* Autoconf */ 270#if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) 271 272 /* FT_LONG64 must be defined if a 64-bit type is available */ 273#define FT_LONG64 274#define FT_INT64 long 275#define FT_UINT64 unsigned long 276 277 /*************************************************************************/ 278 /* */ 279 /* A 64-bit data type may create compilation problems if you compile */ 280 /* in strict ANSI mode. To avoid them, we disable other 64-bit data */ 281 /* types if __STDC__ is defined. You can however ignore this rule */ 282 /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ 283 /* */ 284#elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) 285 286#if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L 287 288#define FT_LONG64 289#define FT_INT64 long long int 290#define FT_UINT64 unsigned long long int 291 292#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ 293 294 /* this compiler provides the __int64 type */ 295#define FT_LONG64 296#define FT_INT64 __int64 297#define FT_UINT64 unsigned __int64 298 299#elif defined( __BORLANDC__ ) /* Borland C++ */ 300 301 /* XXXX: We should probably check the value of __BORLANDC__ in order */ 302 /* to test the compiler version. */ 303 304 /* this compiler provides the __int64 type */ 305#define FT_LONG64 306#define FT_INT64 __int64 307#define FT_UINT64 unsigned __int64 308 309#elif defined( __WATCOMC__ ) /* Watcom C++ */ 310 311 /* Watcom doesn't provide 64-bit data types */ 312 313#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ 314 315#define FT_LONG64 316#define FT_INT64 long long int 317#define FT_UINT64 unsigned long long int 318 319#elif defined( __GNUC__ ) 320 321 /* GCC provides the `long long' type */ 322#define FT_LONG64 323#define FT_INT64 long long int 324#define FT_UINT64 unsigned long long int 325 326#endif /* __STDC_VERSION__ >= 199901L */ 327 328#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ 329 330#ifdef FT_LONG64 331 typedef FT_INT64 FT_Int64; 332 typedef FT_UINT64 FT_UInt64; 333#endif 334 335 336 /*************************************************************************/ 337 /* */ 338 /* miscellaneous */ 339 /* */ 340 /*************************************************************************/ 341 342 343#define FT_BEGIN_STMNT do { 344#define FT_END_STMNT } while ( 0 ) 345#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT 346 347 348 /* typeof condition taken from gnulib's `intprops.h' header file */ 349#if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ 350 ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ 351 defined( __IBM__TYPEOF__ ) ) || \ 352 ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) 353#define FT_TYPEOF( type ) ( __typeof__ ( type ) ) 354#else 355#define FT_TYPEOF( type ) /* empty */ 356#endif 357 358 359#ifdef FT_MAKE_OPTION_SINGLE_OBJECT 360 361#define FT_LOCAL( x ) static x 362#define FT_LOCAL_DEF( x ) static x 363 364#else 365 366#ifdef __cplusplus 367#define FT_LOCAL( x ) extern "C" x 368#define FT_LOCAL_DEF( x ) extern "C" x 369#else 370#define FT_LOCAL( x ) extern x 371#define FT_LOCAL_DEF( x ) x 372#endif 373 374#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ 375 376#define FT_LOCAL_ARRAY( x ) extern const x 377#define FT_LOCAL_ARRAY_DEF( x ) const x 378 379 380#ifndef FT_BASE 381 382#ifdef __cplusplus 383#define FT_BASE( x ) extern "C" x 384#else 385#define FT_BASE( x ) extern x 386#endif 387 388#endif /* !FT_BASE */ 389 390 391#ifndef FT_BASE_DEF 392 393#ifdef __cplusplus 394#define FT_BASE_DEF( x ) x 395#else 396#define FT_BASE_DEF( x ) x 397#endif 398 399#endif /* !FT_BASE_DEF */ 400 401 402#ifndef FT_EXPORT 403 404#ifdef __cplusplus 405#define FT_EXPORT( x ) extern "C" x 406#else 407#define FT_EXPORT( x ) extern x 408#endif 409 410#endif /* !FT_EXPORT */ 411 412 413#ifndef FT_EXPORT_DEF 414 415#ifdef __cplusplus 416#define FT_EXPORT_DEF( x ) extern "C" x 417#else 418#define FT_EXPORT_DEF( x ) extern x 419#endif 420 421#endif /* !FT_EXPORT_DEF */ 422 423 424#ifndef FT_EXPORT_VAR 425 426#ifdef __cplusplus 427#define FT_EXPORT_VAR( x ) extern "C" x 428#else 429#define FT_EXPORT_VAR( x ) extern x 430#endif 431 432#endif /* !FT_EXPORT_VAR */ 433 434 /* The following macros are needed to compile the library with a */ 435 /* C++ compiler and with 16bit compilers. */ 436 /* */ 437 438 /* This is special. Within C++, you must specify `extern "C"' for */ 439 /* functions which are used via function pointers, and you also */ 440 /* must do that for structures which contain function pointers to */ 441 /* assure C linkage -- it's not possible to have (local) anonymous */ 442 /* functions which are accessed by (global) function pointers. */ 443 /* */ 444 /* */ 445 /* FT_CALLBACK_DEF is used to _define_ a callback function. */ 446 /* */ 447 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ 448 /* contains pointers to callback functions. */ 449 /* */ 450 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ 451 /* that contains pointers to callback functions. */ 452 /* */ 453 /* */ 454 /* Some 16bit compilers have to redefine these macros to insert */ 455 /* the infamous `_cdecl' or `__fastcall' declarations. */ 456 /* */ 457#ifndef FT_CALLBACK_DEF 458#ifdef __cplusplus 459#define FT_CALLBACK_DEF( x ) extern "C" x 460#else 461#define FT_CALLBACK_DEF( x ) static x 462#endif 463#endif /* FT_CALLBACK_DEF */ 464 465#ifndef FT_CALLBACK_TABLE 466#ifdef __cplusplus 467#define FT_CALLBACK_TABLE extern "C" 468#define FT_CALLBACK_TABLE_DEF extern "C" 469#else 470#define FT_CALLBACK_TABLE extern 471#define FT_CALLBACK_TABLE_DEF /* nothing */ 472#endif 473#endif /* FT_CALLBACK_TABLE */ 474 475 476FT_END_HEADER 477 478 479#endif /* FTCONFIG_H_ */ 480 481 482/* END */ 483