558 lines
17 KiB
C
558 lines
17 KiB
C
/****************************************************************************
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*
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* ftconfig.h
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*
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* VMS-specific configuration file (specification only).
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*
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* Copyright 1996-2018 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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/**************************************************************************
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*
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* This header file contains a number of macro definitions that are used by
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* the rest of the engine. Most of the macros here are automatically
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* determined at compile time, and you should not need to change it to port
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* FreeType, except to compile the library with a non-ANSI compiler.
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*
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* Note however that if some specific modifications are needed, we advise
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* you to place a modified copy in your build directory.
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*
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* The build directory is usually `builds/<system>`, and contains
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* system-specific files that are always included first when building the
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* library.
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*
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*/
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#ifndef FTCONFIG_H_
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#define FTCONFIG_H_
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#include <ft2build.h>
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#include FT_CONFIG_OPTIONS_H
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#include FT_CONFIG_STANDARD_LIBRARY_H
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FT_BEGIN_HEADER
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/**************************************************************************
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*
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* PLATFORM-SPECIFIC CONFIGURATION MACROS
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*
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* These macros can be toggled to suit a specific system. The current ones
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* are defaults used to compile FreeType in an ANSI C environment (16bit
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* compilers are also supported). Copy this file to your own
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* `builds/<system>` directory, and edit it to port the engine.
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*
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*/
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#define HAVE_UNISTD_H 1
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#define HAVE_FCNTL_H 1
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#define SIZEOF_INT 4
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#define SIZEOF_LONG 4
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#define FT_SIZEOF_INT 4
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#define FT_SIZEOF_LONG 4
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#define FT_CHAR_BIT 8
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/* `FT_UNUSED` indicates that a given parameter is not used -- */
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/* this is only used to get rid of unpleasant compiler warnings. */
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#ifndef FT_UNUSED
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#define FT_UNUSED( arg ) ( (arg) = (arg) )
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#endif
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/**************************************************************************
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*
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* AUTOMATIC CONFIGURATION MACROS
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*
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* These macros are computed from the ones defined above. Don't touch
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* their definition, unless you know precisely what you are doing. No
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* porter should need to mess with them.
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*
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*/
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/**************************************************************************
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*
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* Mac support
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*
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* This is the only necessary change, so it is defined here instead
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* providing a new configuration file.
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*/
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#if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
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/* No Carbon frameworks for 64bit 10.4.x. */
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/* `AvailabilityMacros.h` is available since Mac OS X 10.2, */
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/* so guess the system version by maximum errno before inclusion. */
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#include <errno.h>
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#ifdef ECANCELED /* defined since 10.2 */
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#include "AvailabilityMacros.h"
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#endif
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#if defined( __LP64__ ) && \
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( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
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#undef FT_MACINTOSH
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#endif
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#elif defined( __SC__ ) || defined( __MRC__ )
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/* Classic MacOS compilers */
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#include "ConditionalMacros.h"
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#if TARGET_OS_MAC
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#define FT_MACINTOSH 1
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#endif
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#endif
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/* Fix compiler warning with sgi compiler. */
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#if defined( __sgi ) && !defined( __GNUC__ )
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#if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 )
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#pragma set woff 3505
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#endif
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#endif
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/**************************************************************************
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*
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* @section:
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* basic_types
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*
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*/
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/**************************************************************************
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*
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* @type:
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* FT_Int16
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*
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* @description:
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* A typedef for a 16bit signed integer type.
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*/
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typedef signed short FT_Int16;
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/**************************************************************************
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*
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* @type:
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* FT_UInt16
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*
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* @description:
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* A typedef for a 16bit unsigned integer type.
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*/
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typedef unsigned short FT_UInt16;
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/* */
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/* this #if 0 ... #endif clause is for documentation purposes */
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#if 0
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/**************************************************************************
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*
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* @type:
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* FT_Int32
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*
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* @description:
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* A typedef for a 32bit signed integer type. The size depends on the
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* configuration.
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*/
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typedef signed XXX FT_Int32;
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/**************************************************************************
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*
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* @type:
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* FT_UInt32
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*
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* A typedef for a 32bit unsigned integer type. The size depends on the
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* configuration.
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*/
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typedef unsigned XXX FT_UInt32;
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/**************************************************************************
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*
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* @type:
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* FT_Int64
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*
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* A typedef for a 64bit signed integer type. The size depends on the
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* configuration. Only defined if there is real 64bit support;
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* otherwise, it gets emulated with a structure (if necessary).
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*/
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typedef signed XXX FT_Int64;
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/**************************************************************************
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*
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* @type:
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* FT_UInt64
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*
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* A typedef for a 64bit unsigned integer type. The size depends on the
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* configuration. Only defined if there is real 64bit support;
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* otherwise, it gets emulated with a structure (if necessary).
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*/
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typedef unsigned XXX FT_UInt64;
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/* */
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#endif
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#if FT_SIZEOF_INT == 4
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typedef signed int FT_Int32;
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typedef unsigned int FT_UInt32;
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#elif FT_SIZEOF_LONG == 4
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typedef signed long FT_Int32;
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typedef unsigned long FT_UInt32;
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#else
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#error "no 32bit type found -- please check your configuration files"
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#endif
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/* look up an integer type that is at least 32~bits */
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#if FT_SIZEOF_INT >= 4
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typedef int FT_Fast;
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typedef unsigned int FT_UFast;
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#elif FT_SIZEOF_LONG >= 4
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typedef long FT_Fast;
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typedef unsigned long FT_UFast;
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#endif
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/* determine whether we have a 64-bit `int` type for platforms without */
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/* Autoconf */
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#if FT_SIZEOF_LONG == 8
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/* `FT_LONG64` must be defined if a 64-bit type is available */
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#define FT_LONG64
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#define FT_INT64 long
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#define FT_UINT64 unsigned long
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/* we handle the LLP64 scheme separately for GCC and clang, */
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/* suppressing the `long long` warning */
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#elif ( FT_SIZEOF_LONG == 4 ) && \
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defined( HAVE_LONG_LONG_INT ) && \
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defined( __GNUC__ )
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#pragma GCC diagnostic ignored "-Wlong-long"
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#define FT_LONG64
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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/**************************************************************************
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*
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* A 64-bit data type may create compilation problems if you compile in
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* strict ANSI mode. To avoid them, we disable other 64-bit data types if
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* `__STDC__` is defined. You can however ignore this rule by defining the
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* `FT_CONFIG_OPTION_FORCE_INT64` configuration macro.
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*/
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#elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 )
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#if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L
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#define FT_LONG64
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
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/* this compiler provides the `__int64` type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#define FT_UINT64 unsigned __int64
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#elif defined( __BORLANDC__ ) /* Borland C++ */
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/* XXXX: We should probably check the value of `__BORLANDC__` in order */
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/* to test the compiler version. */
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/* this compiler provides the `__int64` type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#define FT_UINT64 unsigned __int64
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#elif defined( __WATCOMC__ ) /* Watcom C++ */
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/* Watcom doesn't provide 64-bit data types */
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#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
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#define FT_LONG64
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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#elif defined( __GNUC__ )
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/* GCC provides the `long long` type */
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#define FT_LONG64
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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#endif /* __STDC_VERSION__ >= 199901L */
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#endif /* FT_SIZEOF_LONG == 8 */
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#ifdef FT_LONG64
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typedef FT_INT64 FT_Int64;
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typedef FT_UINT64 FT_UInt64;
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#endif
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#ifdef _WIN64
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/* only 64bit Windows uses the LLP64 data model, i.e., */
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/* 32bit integers, 64bit pointers */
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#define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x)
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#else
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#define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x)
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#endif
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/**************************************************************************
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*
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* miscellaneous
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*
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*/
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#define FT_BEGIN_STMNT do {
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#define FT_END_STMNT } while ( 0 )
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#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
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/* `typeof` condition taken from gnulib's `intprops.h` header file */
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#if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \
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( defined( __IBMC__ ) && __IBMC__ >= 1210 && \
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defined( __IBM__TYPEOF__ ) ) || \
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( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) )
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#define FT_TYPEOF( type ) ( __typeof__ ( type ) )
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#else
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#define FT_TYPEOF( type ) /* empty */
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#endif
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/* Use `FT_LOCAL` and `FT_LOCAL_DEF` to declare and define, */
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/* respectively, a function that gets used only within the scope of a */
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/* module. Normally, both the header and source code files for such a */
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/* function are within a single module directory. */
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/* */
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/* Intra-module arrays should be tagged with `FT_LOCAL_ARRAY` and */
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/* `FT_LOCAL_ARRAY_DEF`. */
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/* */
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#ifdef FT_MAKE_OPTION_SINGLE_OBJECT
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#define FT_LOCAL( x ) static x
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#define FT_LOCAL_DEF( x ) static x
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#else
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#ifdef __cplusplus
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#define FT_LOCAL( x ) extern "C" x
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#define FT_LOCAL_DEF( x ) extern "C" x
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#else
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#define FT_LOCAL( x ) extern x
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#define FT_LOCAL_DEF( x ) x
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#endif
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#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
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#define FT_LOCAL_ARRAY( x ) extern const x
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#define FT_LOCAL_ARRAY_DEF( x ) const x
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/* Use `FT_BASE` and `FT_BASE_DEF` to declare and define, respectively, */
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/* functions that are used in more than a single module. In the */
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/* current setup this implies that the declaration is in a header file */
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/* in the `include/freetype/internal` directory, and the function body */
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/* is in a file in `src/base`. */
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/* */
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#ifndef FT_BASE
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#ifdef __cplusplus
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#define FT_BASE( x ) extern "C" x
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#else
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#define FT_BASE( x ) extern x
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#endif
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#endif /* !FT_BASE */
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#ifndef FT_BASE_DEF
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#ifdef __cplusplus
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#define FT_BASE_DEF( x ) x
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#else
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#define FT_BASE_DEF( x ) x
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#endif
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#endif /* !FT_BASE_DEF */
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/* When compiling FreeType as a DLL or DSO with hidden visibility */
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/* some systems/compilers need a special attribute in front OR after */
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/* the return type of function declarations. */
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/* */
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/* Two macros are used within the FreeType source code to define */
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/* exported library functions: `FT_EXPORT` and `FT_EXPORT_DEF`. */
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/* */
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/* - `FT_EXPORT( return_type )` */
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/* */
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/* is used in a function declaration, as in */
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/* */
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/* ``` */
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/* FT_EXPORT( FT_Error ) */
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/* FT_Init_FreeType( FT_Library* alibrary ); */
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/* ``` */
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/* */
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/* - `FT_EXPORT_DEF( return_type )` */
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/* */
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/* is used in a function definition, as in */
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/* */
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/* ``` */
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/* FT_EXPORT_DEF( FT_Error ) */
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/* FT_Init_FreeType( FT_Library* alibrary ) */
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/* { */
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/* ... some code ... */
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/* return FT_Err_Ok; */
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/* } */
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/* ``` */
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/* */
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/* You can provide your own implementation of `FT_EXPORT` and */
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/* `FT_EXPORT_DEF` here if you want. */
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/* */
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/* To export a variable, use `FT_EXPORT_VAR`. */
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/* */
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#ifndef FT_EXPORT
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#ifdef FT2_BUILD_LIBRARY
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#if defined( _WIN32 ) && defined( DLL_EXPORT )
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#define FT_EXPORT( x ) __declspec( dllexport ) x
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#elif defined( __GNUC__ ) && __GNUC__ >= 4
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#define FT_EXPORT( x ) __attribute__(( visibility( "default" ) )) x
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#elif defined( __SUNPRO_C ) && __SUNPRO_C >= 0x550
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#define FT_EXPORT( x ) __global x
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#elif defined( __cplusplus )
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#define FT_EXPORT( x ) extern "C" x
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#else
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#define FT_EXPORT( x ) extern x
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#endif
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#else
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#if defined( _WIN32 ) && defined( DLL_IMPORT )
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#define FT_EXPORT( x ) __declspec( dllimport ) x
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#elif defined( __cplusplus )
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#define FT_EXPORT( x ) extern "C" x
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#else
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#define FT_EXPORT( x ) extern x
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#endif
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#endif
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#endif /* !FT_EXPORT */
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#ifndef FT_EXPORT_DEF
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#ifdef __cplusplus
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#define FT_EXPORT_DEF( x ) extern "C" x
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#else
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#define FT_EXPORT_DEF( x ) extern x
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#endif
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#endif /* !FT_EXPORT_DEF */
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#ifndef FT_EXPORT_VAR
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#ifdef __cplusplus
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#define FT_EXPORT_VAR( x ) extern "C" x
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#else
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#define FT_EXPORT_VAR( x ) extern x
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#endif
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#endif /* !FT_EXPORT_VAR */
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/* The following macros are needed to compile the library with a */
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/* C++ compiler and with 16bit compilers. */
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/* */
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/* This is special. Within C++, you must specify `extern "C"` for */
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/* functions which are used via function pointers, and you also */
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/* must do that for structures which contain function pointers to */
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/* assure C linkage -- it's not possible to have (local) anonymous */
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/* functions which are accessed by (global) function pointers. */
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/* */
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/* */
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/* FT_CALLBACK_DEF is used to _define_ a callback function, */
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/* located in the same source code file as the structure that uses */
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/* it. */
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/* */
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/* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */
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/* and define a callback function, respectively, in a similar way */
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/* as FT_BASE and FT_BASE_DEF work. */
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/* */
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/* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
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/* contains pointers to callback functions. */
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/* */
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/* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
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/* that contains pointers to callback functions. */
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/* */
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/* */
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/* Some 16bit compilers have to redefine these macros to insert */
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/* the infamous `_cdecl` or `__fastcall` declarations. */
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/* */
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#ifndef FT_CALLBACK_DEF
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#ifdef __cplusplus
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#define FT_CALLBACK_DEF( x ) extern "C" x
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#else
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#define FT_CALLBACK_DEF( x ) static x
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#endif
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#endif /* FT_CALLBACK_DEF */
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#ifndef FT_BASE_CALLBACK
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#ifdef __cplusplus
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#define FT_BASE_CALLBACK( x ) extern "C" x
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#define FT_BASE_CALLBACK_DEF( x ) extern "C" x
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#else
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#define FT_BASE_CALLBACK( x ) extern x
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#define FT_BASE_CALLBACK_DEF( x ) x
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#endif
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#endif /* FT_BASE_CALLBACK */
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#ifndef FT_CALLBACK_TABLE
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#ifdef __cplusplus
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#define FT_CALLBACK_TABLE extern "C"
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#define FT_CALLBACK_TABLE_DEF extern "C"
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#else
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#define FT_CALLBACK_TABLE extern
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#define FT_CALLBACK_TABLE_DEF /* nothing */
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#endif
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#endif /* FT_CALLBACK_TABLE */
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FT_END_HEADER
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#endif /* FTCONFIG_H_ */
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/* END */
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