| 1 | /* ftconfig.h. Generated from ftconfig.in by configure. */ |
| 2 | /***************************************************************************/ |
| 3 | /* */ |
| 4 | /* ftconfig.in */ |
| 5 | /* */ |
| 6 | /* UNIX-specific configuration file (specification only). */ |
| 7 | /* */ |
| 8 | /* Copyright 1996-2018 by */ |
| 9 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| 10 | /* */ |
| 11 | /* This file is part of the FreeType project, and may only be used, */ |
| 12 | /* modified, and distributed under the terms of the FreeType project */ |
| 13 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 14 | /* this file you indicate that you have read the license and */ |
| 15 | /* understand and accept it fully. */ |
| 16 | /* */ |
| 17 | /***************************************************************************/ |
| 18 | |
| 19 | |
| 20 | /*************************************************************************/ |
| 21 | /* */ |
| 22 | /* This header file contains a number of macro definitions that are used */ |
| 23 | /* by the rest of the engine. Most of the macros here are automatically */ |
| 24 | /* determined at compile time, and you should not need to change it to */ |
| 25 | /* port FreeType, except to compile the library with a non-ANSI */ |
| 26 | /* compiler. */ |
| 27 | /* */ |
| 28 | /* Note however that if some specific modifications are needed, we */ |
| 29 | /* advise you to place a modified copy in your build directory. */ |
| 30 | /* */ |
| 31 | /* The build directory is usually `builds/<system>', and contains */ |
| 32 | /* system-specific files that are always included first when building */ |
| 33 | /* the library. */ |
| 34 | /* */ |
| 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 | |
| 46 | FT_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 | #define HAVE_UNISTD_H 1 |
| 62 | #define HAVE_FCNTL_H 1 |
| 63 | #define HAVE_STDINT_H 1 |
| 64 | |
| 65 | |
| 66 | /* There are systems (like the Texas Instruments 'C54x) where a `char' */ |
| 67 | /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */ |
| 68 | /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */ |
| 69 | /* is probably unexpected. */ |
| 70 | /* */ |
| 71 | /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ |
| 72 | /* `char' type. */ |
| 73 | |
| 74 | #ifndef FT_CHAR_BIT |
| 75 | #define FT_CHAR_BIT CHAR_BIT |
| 76 | #endif |
| 77 | |
| 78 | |
| 79 | /* #undef FT_USE_AUTOCONF_SIZEOF_TYPES */ |
| 80 | #ifdef FT_USE_AUTOCONF_SIZEOF_TYPES |
| 81 | |
| 82 | #define SIZEOF_INT 4 |
| 83 | #define SIZEOF_LONG __SIZEOF_LONG__ |
| 84 | #define FT_SIZEOF_INT SIZEOF_INT |
| 85 | #define FT_SIZEOF_LONG SIZEOF_LONG |
| 86 | |
| 87 | #else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ |
| 88 | |
| 89 | /* Following cpp computation of the bit length of int and long */ |
| 90 | /* is copied from default include/freetype/config/ftconfig.h. */ |
| 91 | /* If any improvement is required for this file, it should be */ |
| 92 | /* applied to the original header file for the builders that */ |
| 93 | /* do not use configure script. */ |
| 94 | |
| 95 | /* The size of an `int' type. */ |
| 96 | #if FT_UINT_MAX == 0xFFFFUL |
| 97 | #define FT_SIZEOF_INT (16 / FT_CHAR_BIT) |
| 98 | #elif FT_UINT_MAX == 0xFFFFFFFFUL |
| 99 | #define FT_SIZEOF_INT (32 / FT_CHAR_BIT) |
| 100 | #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL |
| 101 | #define FT_SIZEOF_INT (64 / FT_CHAR_BIT) |
| 102 | #else |
| 103 | #error "Unsupported size of `int' type!" |
| 104 | #endif |
| 105 | |
| 106 | /* The size of a `long' type. A five-byte `long' (as used e.g. on the */ |
| 107 | /* DM642) is recognized but avoided. */ |
| 108 | #if FT_ULONG_MAX == 0xFFFFFFFFUL |
| 109 | #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) |
| 110 | #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL |
| 111 | #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) |
| 112 | #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL |
| 113 | #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT) |
| 114 | #else |
| 115 | #error "Unsupported size of `long' type!" |
| 116 | #endif |
| 117 | |
| 118 | #endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ |
| 119 | |
| 120 | |
| 121 | /* FT_UNUSED is a macro used to indicate that a given parameter is not */ |
| 122 | /* used -- this is only used to get rid of unpleasant compiler warnings */ |
| 123 | #ifndef FT_UNUSED |
| 124 | #define FT_UNUSED( arg ) ( (arg) = (arg) ) |
| 125 | #endif |
| 126 | |
| 127 | |
| 128 | /*************************************************************************/ |
| 129 | /* */ |
| 130 | /* AUTOMATIC CONFIGURATION MACROS */ |
| 131 | /* */ |
| 132 | /* These macros are computed from the ones defined above. Don't touch */ |
| 133 | /* their definition, unless you know precisely what you are doing. No */ |
| 134 | /* porter should need to mess with them. */ |
| 135 | /* */ |
| 136 | /*************************************************************************/ |
| 137 | |
| 138 | |
| 139 | /*************************************************************************/ |
| 140 | /* */ |
| 141 | /* Mac support */ |
| 142 | /* */ |
| 143 | /* This is the only necessary change, so it is defined here instead */ |
| 144 | /* providing a new configuration file. */ |
| 145 | /* */ |
| 146 | #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) ) |
| 147 | /* no Carbon frameworks for 64bit 10.4.x */ |
| 148 | /* AvailabilityMacros.h is available since Mac OS X 10.2, */ |
| 149 | /* so guess the system version by maximum errno before inclusion */ |
| 150 | #include <errno.h> |
| 151 | #ifdef ECANCELED /* defined since 10.2 */ |
| 152 | #include "AvailabilityMacros.h" |
| 153 | #endif |
| 154 | #if defined( __LP64__ ) && \ |
| 155 | ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) |
| 156 | #undef FT_MACINTOSH |
| 157 | #endif |
| 158 | |
| 159 | #elif defined( __SC__ ) || defined( __MRC__ ) |
| 160 | /* Classic MacOS compilers */ |
| 161 | #include "ConditionalMacros.h" |
| 162 | #if TARGET_OS_MAC |
| 163 | #define FT_MACINTOSH 1 |
| 164 | #endif |
| 165 | |
| 166 | #endif |
| 167 | |
| 168 | |
| 169 | /* Fix compiler warning with sgi compiler */ |
| 170 | #if defined( __sgi ) && !defined( __GNUC__ ) |
| 171 | #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) |
| 172 | #pragma set woff 3505 |
| 173 | #endif |
| 174 | #endif |
| 175 | |
| 176 | |
| 177 | /*************************************************************************/ |
| 178 | /* */ |
| 179 | /* <Section> */ |
| 180 | /* basic_types */ |
| 181 | /* */ |
| 182 | /*************************************************************************/ |
| 183 | |
| 184 | |
| 185 | /*************************************************************************/ |
| 186 | /* */ |
| 187 | /* <Type> */ |
| 188 | /* FT_Int16 */ |
| 189 | /* */ |
| 190 | /* <Description> */ |
| 191 | /* A typedef for a 16bit signed integer type. */ |
| 192 | /* */ |
| 193 | typedef signed short FT_Int16; |
| 194 | |
| 195 | |
| 196 | /*************************************************************************/ |
| 197 | /* */ |
| 198 | /* <Type> */ |
| 199 | /* FT_UInt16 */ |
| 200 | /* */ |
| 201 | /* <Description> */ |
| 202 | /* A typedef for a 16bit unsigned integer type. */ |
| 203 | /* */ |
| 204 | typedef unsigned short FT_UInt16; |
| 205 | |
| 206 | /* */ |
| 207 | |
| 208 | |
| 209 | /* this #if 0 ... #endif clause is for documentation purposes */ |
| 210 | #if 0 |
| 211 | |
| 212 | /*************************************************************************/ |
| 213 | /* */ |
| 214 | /* <Type> */ |
| 215 | /* FT_Int32 */ |
| 216 | /* */ |
| 217 | /* <Description> */ |
| 218 | /* A typedef for a 32bit signed integer type. The size depends on */ |
| 219 | /* the configuration. */ |
| 220 | /* */ |
| 221 | typedef signed XXX FT_Int32; |
| 222 | |
| 223 | |
| 224 | /*************************************************************************/ |
| 225 | /* */ |
| 226 | /* <Type> */ |
| 227 | /* FT_UInt32 */ |
| 228 | /* */ |
| 229 | /* A typedef for a 32bit unsigned integer type. The size depends on */ |
| 230 | /* the configuration. */ |
| 231 | /* */ |
| 232 | typedef unsigned XXX FT_UInt32; |
| 233 | |
| 234 | |
| 235 | /*************************************************************************/ |
| 236 | /* */ |
| 237 | /* <Type> */ |
| 238 | /* FT_Int64 */ |
| 239 | /* */ |
| 240 | /* A typedef for a 64bit signed integer type. The size depends on */ |
| 241 | /* the configuration. Only defined if there is real 64bit support; */ |
| 242 | /* otherwise, it gets emulated with a structure (if necessary). */ |
| 243 | /* */ |
| 244 | typedef signed XXX FT_Int64; |
| 245 | |
| 246 | |
| 247 | /*************************************************************************/ |
| 248 | /* */ |
| 249 | /* <Type> */ |
| 250 | /* FT_UInt64 */ |
| 251 | /* */ |
| 252 | /* A typedef for a 64bit unsigned integer type. The size depends on */ |
| 253 | /* the configuration. Only defined if there is real 64bit support; */ |
| 254 | /* otherwise, it gets emulated with a structure (if necessary). */ |
| 255 | /* */ |
| 256 | typedef unsigned XXX FT_UInt64; |
| 257 | |
| 258 | /* */ |
| 259 | |
| 260 | #endif |
| 261 | |
| 262 | #if FT_SIZEOF_INT == 4 |
| 263 | |
| 264 | typedef signed int FT_Int32; |
| 265 | typedef unsigned int FT_UInt32; |
| 266 | |
| 267 | #elif FT_SIZEOF_LONG == 4 |
| 268 | |
| 269 | typedef signed long FT_Int32; |
| 270 | typedef unsigned long FT_UInt32; |
| 271 | |
| 272 | #else |
| 273 | #error "no 32bit type found -- please check your configuration files" |
| 274 | #endif |
| 275 | |
| 276 | |
| 277 | /* look up an integer type that is at least 32 bits */ |
| 278 | #if FT_SIZEOF_INT >= 4 |
| 279 | |
| 280 | typedef int FT_Fast; |
| 281 | typedef unsigned int FT_UFast; |
| 282 | |
| 283 | #elif FT_SIZEOF_LONG >= 4 |
| 284 | |
| 285 | typedef long FT_Fast; |
| 286 | typedef unsigned long FT_UFast; |
| 287 | |
| 288 | #endif |
| 289 | |
| 290 | |
| 291 | /* determine whether we have a 64-bit int type */ |
| 292 | /* (mostly for environments without `autoconf') */ |
| 293 | #if FT_SIZEOF_LONG == 8 |
| 294 | |
| 295 | /* FT_LONG64 must be defined if a 64-bit type is available */ |
| 296 | #define FT_LONG64 |
| 297 | #define FT_INT64 long |
| 298 | #define FT_UINT64 unsigned long |
| 299 | |
| 300 | /* we handle the LLP64 scheme separately for GCC and clang, */ |
| 301 | /* suppressing the `long long' warning */ |
| 302 | #elif ( FT_SIZEOF_LONG == 4 ) && \ |
| 303 | defined( HAVE_LONG_LONG_INT ) && \ |
| 304 | defined( __GNUC__ ) |
| 305 | #pragma GCC diagnostic ignored "-Wlong-long" |
| 306 | #define FT_LONG64 |
| 307 | #define FT_INT64 long long int |
| 308 | #define FT_UINT64 unsigned long long int |
| 309 | |
| 310 | /*************************************************************************/ |
| 311 | /* */ |
| 312 | /* A 64-bit data type may create compilation problems if you compile */ |
| 313 | /* in strict ANSI mode. To avoid them, we disable other 64-bit data */ |
| 314 | /* types if __STDC__ is defined. You can however ignore this rule */ |
| 315 | /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ |
| 316 | /* */ |
| 317 | #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) |
| 318 | |
| 319 | #if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L |
| 320 | |
| 321 | #define FT_LONG64 |
| 322 | #define FT_INT64 long long int |
| 323 | #define FT_UINT64 unsigned long long int |
| 324 | |
| 325 | #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ |
| 326 | |
| 327 | /* this compiler provides the __int64 type */ |
| 328 | #define FT_LONG64 |
| 329 | #define FT_INT64 __int64 |
| 330 | #define FT_UINT64 unsigned __int64 |
| 331 | |
| 332 | #elif defined( __BORLANDC__ ) /* Borland C++ */ |
| 333 | |
| 334 | /* XXXX: We should probably check the value of __BORLANDC__ in order */ |
| 335 | /* to test the compiler version. */ |
| 336 | |
| 337 | /* this compiler provides the __int64 type */ |
| 338 | #define FT_LONG64 |
| 339 | #define FT_INT64 __int64 |
| 340 | #define FT_UINT64 unsigned __int64 |
| 341 | |
| 342 | #elif defined( __WATCOMC__ ) /* Watcom C++ */ |
| 343 | |
| 344 | /* Watcom doesn't provide 64-bit data types */ |
| 345 | |
| 346 | #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ |
| 347 | |
| 348 | #define FT_LONG64 |
| 349 | #define FT_INT64 long long int |
| 350 | #define FT_UINT64 unsigned long long int |
| 351 | |
| 352 | #elif defined( __GNUC__ ) |
| 353 | |
| 354 | /* GCC provides the `long long' type */ |
| 355 | #define FT_LONG64 |
| 356 | #define FT_INT64 long long int |
| 357 | #define FT_UINT64 unsigned long long int |
| 358 | |
| 359 | #endif /* __STDC_VERSION__ >= 199901L */ |
| 360 | |
| 361 | #endif /* FT_SIZEOF_LONG == 8 */ |
| 362 | |
| 363 | #ifdef FT_LONG64 |
| 364 | typedef FT_INT64 FT_Int64; |
| 365 | typedef FT_UINT64 FT_UInt64; |
| 366 | #endif |
| 367 | |
| 368 | |
| 369 | #ifdef _WIN64 |
| 370 | /* only 64bit Windows uses the LLP64 data model, i.e., */ |
| 371 | /* 32bit integers, 64bit pointers */ |
| 372 | #define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x) |
| 373 | #else |
| 374 | #define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x) |
| 375 | #endif |
| 376 | |
| 377 | |
| 378 | /*************************************************************************/ |
| 379 | /* */ |
| 380 | /* miscellaneous */ |
| 381 | /* */ |
| 382 | /*************************************************************************/ |
| 383 | |
| 384 | |
| 385 | #define FT_BEGIN_STMNT do { |
| 386 | #define FT_END_STMNT } while ( 0 ) |
| 387 | #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT |
| 388 | |
| 389 | |
| 390 | /* typeof condition taken from gnulib's `intprops.h' header file */ |
| 391 | #if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ |
| 392 | ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ |
| 393 | defined( __IBM__TYPEOF__ ) ) || \ |
| 394 | ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) |
| 395 | #define FT_TYPEOF( type ) ( __typeof__ ( type ) ) |
| 396 | #else |
| 397 | #define FT_TYPEOF( type ) /* empty */ |
| 398 | #endif |
| 399 | |
| 400 | |
| 401 | /* Use FT_LOCAL and FT_LOCAL_DEF to declare and define, respectively, */ |
| 402 | /* a function that gets used only within the scope of a module. */ |
| 403 | /* Normally, both the header and source code files for such a */ |
| 404 | /* function are within a single module directory. */ |
| 405 | /* */ |
| 406 | /* Intra-module arrays should be tagged with FT_LOCAL_ARRAY and */ |
| 407 | /* FT_LOCAL_ARRAY_DEF. */ |
| 408 | /* */ |
| 409 | #ifdef FT_MAKE_OPTION_SINGLE_OBJECT |
| 410 | |
| 411 | #define FT_LOCAL( x ) static x |
| 412 | #define FT_LOCAL_DEF( x ) static x |
| 413 | |
| 414 | #else |
| 415 | |
| 416 | #ifdef __cplusplus |
| 417 | #define FT_LOCAL( x ) extern "C" x |
| 418 | #define FT_LOCAL_DEF( x ) extern "C" x |
| 419 | #else |
| 420 | #define FT_LOCAL( x ) extern x |
| 421 | #define FT_LOCAL_DEF( x ) x |
| 422 | #endif |
| 423 | |
| 424 | #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ |
| 425 | |
| 426 | #define FT_LOCAL_ARRAY( x ) extern const x |
| 427 | #define FT_LOCAL_ARRAY_DEF( x ) const x |
| 428 | |
| 429 | |
| 430 | /* Use FT_BASE and FT_BASE_DEF to declare and define, respectively, */ |
| 431 | /* functions that are used in more than a single module. In the */ |
| 432 | /* current setup this implies that the declaration is in a header */ |
| 433 | /* file in the `include/freetype/internal' directory, and the */ |
| 434 | /* function body is in a file in `src/base'. */ |
| 435 | /* */ |
| 436 | #ifndef FT_BASE |
| 437 | |
| 438 | #ifdef __cplusplus |
| 439 | #define FT_BASE( x ) extern "C" x |
| 440 | #else |
| 441 | #define FT_BASE( x ) extern x |
| 442 | #endif |
| 443 | |
| 444 | #endif /* !FT_BASE */ |
| 445 | |
| 446 | |
| 447 | #ifndef FT_BASE_DEF |
| 448 | |
| 449 | #ifdef __cplusplus |
| 450 | #define FT_BASE_DEF( x ) x |
| 451 | #else |
| 452 | #define FT_BASE_DEF( x ) x |
| 453 | #endif |
| 454 | |
| 455 | #endif /* !FT_BASE_DEF */ |
| 456 | |
| 457 | |
| 458 | /* When compiling FreeType as a DLL or DSO with hidden visibility */ |
| 459 | /* some systems/compilers need a special attribute in front OR after */ |
| 460 | /* the return type of function declarations. */ |
| 461 | /* */ |
| 462 | /* Two macros are used within the FreeType source code to define */ |
| 463 | /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */ |
| 464 | /* */ |
| 465 | /* FT_EXPORT( return_type ) */ |
| 466 | /* */ |
| 467 | /* is used in a function declaration, as in */ |
| 468 | /* */ |
| 469 | /* FT_EXPORT( FT_Error ) */ |
| 470 | /* FT_Init_FreeType( FT_Library* alibrary ); */ |
| 471 | /* */ |
| 472 | /* */ |
| 473 | /* FT_EXPORT_DEF( return_type ) */ |
| 474 | /* */ |
| 475 | /* is used in a function definition, as in */ |
| 476 | /* */ |
| 477 | /* FT_EXPORT_DEF( FT_Error ) */ |
| 478 | /* FT_Init_FreeType( FT_Library* alibrary ) */ |
| 479 | /* { */ |
| 480 | /* ... some code ... */ |
| 481 | /* return FT_Err_Ok; */ |
| 482 | /* } */ |
| 483 | /* */ |
| 484 | /* You can provide your own implementation of FT_EXPORT and */ |
| 485 | /* FT_EXPORT_DEF here if you want. */ |
| 486 | /* */ |
| 487 | /* To export a variable, use FT_EXPORT_VAR. */ |
| 488 | /* */ |
| 489 | #ifndef FT_EXPORT |
| 490 | |
| 491 | #ifdef FT2_BUILD_LIBRARY |
| 492 | |
| 493 | #if defined( _WIN32 ) && ( defined( _DLL ) || defined( DLL_EXPORT ) ) |
| 494 | #define FT_EXPORT( x ) __declspec( dllexport ) x |
| 495 | #elif defined( __GNUC__ ) && __GNUC__ >= 4 |
| 496 | #define FT_EXPORT( x ) __attribute__(( visibility( "default" ) )) x |
| 497 | #elif defined( __cplusplus ) |
| 498 | #define FT_EXPORT( x ) extern "C" x |
| 499 | #else |
| 500 | #define FT_EXPORT( x ) extern x |
| 501 | #endif |
| 502 | |
| 503 | #else |
| 504 | |
| 505 | #if defined( FT2_DLLIMPORT ) |
| 506 | #define FT_EXPORT( x ) __declspec( dllimport ) x |
| 507 | #elif defined( __cplusplus ) |
| 508 | #define FT_EXPORT( x ) extern "C" x |
| 509 | #else |
| 510 | #define FT_EXPORT( x ) extern x |
| 511 | #endif |
| 512 | |
| 513 | #endif |
| 514 | |
| 515 | #endif /* !FT_EXPORT */ |
| 516 | |
| 517 | |
| 518 | #ifndef FT_EXPORT_DEF |
| 519 | |
| 520 | #ifdef __cplusplus |
| 521 | #define FT_EXPORT_DEF( x ) extern "C" x |
| 522 | #else |
| 523 | #define FT_EXPORT_DEF( x ) extern x |
| 524 | #endif |
| 525 | |
| 526 | #endif /* !FT_EXPORT_DEF */ |
| 527 | |
| 528 | |
| 529 | #ifndef FT_EXPORT_VAR |
| 530 | |
| 531 | #ifdef __cplusplus |
| 532 | #define FT_EXPORT_VAR( x ) extern "C" x |
| 533 | #else |
| 534 | #define FT_EXPORT_VAR( x ) extern x |
| 535 | #endif |
| 536 | |
| 537 | #endif /* !FT_EXPORT_VAR */ |
| 538 | |
| 539 | /* The following macros are needed to compile the library with a */ |
| 540 | /* C++ compiler and with 16bit compilers. */ |
| 541 | /* */ |
| 542 | |
| 543 | /* This is special. Within C++, you must specify `extern "C"' for */ |
| 544 | /* functions which are used via function pointers, and you also */ |
| 545 | /* must do that for structures which contain function pointers to */ |
| 546 | /* assure C linkage -- it's not possible to have (local) anonymous */ |
| 547 | /* functions which are accessed by (global) function pointers. */ |
| 548 | /* */ |
| 549 | /* */ |
| 550 | /* FT_CALLBACK_DEF is used to _define_ a callback function, */ |
| 551 | /* located in the same source code file as the structure that uses */ |
| 552 | /* it. */ |
| 553 | /* */ |
| 554 | /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */ |
| 555 | /* and define a callback function, respectively, in a similar way */ |
| 556 | /* as FT_BASE and FT_BASE_DEF work. */ |
| 557 | /* */ |
| 558 | /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ |
| 559 | /* contains pointers to callback functions. */ |
| 560 | /* */ |
| 561 | /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ |
| 562 | /* that contains pointers to callback functions. */ |
| 563 | /* */ |
| 564 | /* */ |
| 565 | /* Some 16bit compilers have to redefine these macros to insert */ |
| 566 | /* the infamous `_cdecl' or `__fastcall' declarations. */ |
| 567 | /* */ |
| 568 | #ifndef FT_CALLBACK_DEF |
| 569 | #ifdef __cplusplus |
| 570 | #define FT_CALLBACK_DEF( x ) extern "C" x |
| 571 | #else |
| 572 | #define FT_CALLBACK_DEF( x ) static x |
| 573 | #endif |
| 574 | #endif /* FT_CALLBACK_DEF */ |
| 575 | |
| 576 | #ifndef FT_BASE_CALLBACK |
| 577 | #ifdef __cplusplus |
| 578 | #define FT_BASE_CALLBACK( x ) extern "C" x |
| 579 | #define FT_BASE_CALLBACK_DEF( x ) extern "C" x |
| 580 | #else |
| 581 | #define FT_BASE_CALLBACK( x ) extern x |
| 582 | #define FT_BASE_CALLBACK_DEF( x ) x |
| 583 | #endif |
| 584 | #endif /* FT_BASE_CALLBACK */ |
| 585 | |
| 586 | #ifndef FT_CALLBACK_TABLE |
| 587 | #ifdef __cplusplus |
| 588 | #define FT_CALLBACK_TABLE extern "C" |
| 589 | #define FT_CALLBACK_TABLE_DEF extern "C" |
| 590 | #else |
| 591 | #define FT_CALLBACK_TABLE extern |
| 592 | #define FT_CALLBACK_TABLE_DEF /* nothing */ |
| 593 | #endif |
| 594 | #endif /* FT_CALLBACK_TABLE */ |
| 595 | |
| 596 | |
| 597 | FT_END_HEADER |
| 598 | |
| 599 | |
| 600 | #endif /* FTCONFIG_H_ */ |
| 601 | |
| 602 | |
| 603 | /* END */ |
| 604 | |