/**************************************************************************** * * config/integer-types.h * * FreeType integer types definitions. * * Copyright (C) 1996-2020 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, * modified, and distributed under the terms of the FreeType project * license, LICENSE.TXT. By continuing to use, modify, or distribute * this file you indicate that you have read the license and * understand and accept it fully. * */ #ifndef FREETYPE_CONFIG_INTEGER_TYPES_H_ #define FREETYPE_CONFIG_INTEGER_TYPES_H_ /* There are systems (like the Texas Instruments 'C54x) where a `char` */ /* has 16~bits. ANSI~C says that `sizeof(char)` is always~1. Since an */ /* `int` has 16~bits also for this system, `sizeof(int)` gives~1 which */ /* is probably unexpected. */ /* */ /* `CHAR_BIT` (defined in `limits.h`) gives the number of bits in a */ /* `char` type. */ #ifndef FT_CHAR_BIT #define FT_CHAR_BIT CHAR_BIT #endif #ifndef FT_SIZEOF_INT /* The size of an `int` type. */ #if FT_UINT_MAX == 0xFFFFUL #define FT_SIZEOF_INT ( 16 / FT_CHAR_BIT ) #elif FT_UINT_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_INT ( 32 / FT_CHAR_BIT ) #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL #define FT_SIZEOF_INT ( 64 / FT_CHAR_BIT ) #else #error "Unsupported size of `int' type!" #endif #endif /* !defined(FT_SIZEOF_INT) */ #ifndef FT_SIZEOF_LONG /* The size of a `long` type. A five-byte `long` (as used e.g. on the */ /* DM642) is recognized but avoided. */ #if FT_ULONG_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT ) #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL #define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT ) #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL #define FT_SIZEOF_LONG ( 64 / FT_CHAR_BIT ) #else #error "Unsupported size of `long' type!" #endif #endif /* !defined(FT_SIZEOF_LONG) */ /************************************************************************** * * @section: * basic_types * */ /************************************************************************** * * @type: * FT_Int16 * * @description: * A typedef for a 16bit signed integer type. */ typedef signed short FT_Int16; /************************************************************************** * * @type: * FT_UInt16 * * @description: * A typedef for a 16bit unsigned integer type. */ typedef unsigned short FT_UInt16; /* */ /* this #if 0 ... #endif clause is for documentation purposes */ #if 0 /************************************************************************** * * @type: * FT_Int32 * * @description: * A typedef for a 32bit signed integer type. The size depends on the * configuration. */ typedef signed XXX FT_Int32; /************************************************************************** * * @type: * FT_UInt32 * * A typedef for a 32bit unsigned integer type. The size depends on the * configuration. */ typedef unsigned XXX FT_UInt32; /************************************************************************** * * @type: * FT_Int64 * * A typedef for a 64bit signed integer type. The size depends on the * configuration. Only defined if there is real 64bit support; * otherwise, it gets emulated with a structure (if necessary). */ typedef signed XXX FT_Int64; /************************************************************************** * * @type: * FT_UInt64 * * A typedef for a 64bit unsigned integer type. The size depends on the * configuration. Only defined if there is real 64bit support; * otherwise, it gets emulated with a structure (if necessary). */ typedef unsigned XXX FT_UInt64; /* */ #endif #if FT_SIZEOF_INT == ( 32 / FT_CHAR_BIT ) typedef signed int FT_Int32; typedef unsigned int FT_UInt32; #elif FT_SIZEOF_LONG == ( 32 / FT_CHAR_BIT ) typedef signed long FT_Int32; typedef unsigned long FT_UInt32; #else #error "no 32bit type found -- please check your configuration files" #endif /* look up an integer type that is at least 32~bits */ #if FT_SIZEOF_INT >= ( 32 / FT_CHAR_BIT ) typedef int FT_Fast; typedef unsigned int FT_UFast; #elif FT_SIZEOF_LONG >= ( 32 / FT_CHAR_BIT ) typedef long FT_Fast; typedef unsigned long FT_UFast; #endif /* determine whether we have a 64-bit `int` type for platforms without */ /* Autoconf */ #if FT_SIZEOF_LONG == ( 64 / FT_CHAR_BIT ) /* `FT_LONG64` must be defined if a 64-bit type is available */ #define FT_LONG64 #define FT_INT64 long #define FT_UINT64 unsigned long /************************************************************************** * * A 64-bit data type may create compilation problems if you compile in * strict ANSI mode. To avoid them, we disable other 64-bit data types if * `__STDC__` is defined. You can however ignore this rule by defining the * `FT_CONFIG_OPTION_FORCE_INT64` configuration macro. */ #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) #if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ /* this compiler provides the `__int64` type */ #define FT_LONG64 #define FT_INT64 __int64 #define FT_UINT64 unsigned __int64 #elif defined( __BORLANDC__ ) /* Borland C++ */ /* XXXX: We should probably check the value of `__BORLANDC__` in order */ /* to test the compiler version. */ /* this compiler provides the `__int64` type */ #define FT_LONG64 #define FT_INT64 __int64 #define FT_UINT64 unsigned __int64 #elif defined( __WATCOMC__ ) /* Watcom C++ */ /* Watcom doesn't provide 64-bit data types */ #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #elif defined( __GNUC__ ) /* GCC provides the `long long` type */ #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #endif /* __STDC_VERSION__ >= 199901L */ #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ #ifdef FT_LONG64 typedef FT_INT64 FT_Int64; typedef FT_UINT64 FT_UInt64; #endif #endif /* FREETYPE_CONFIG_INTEGER_TYPES_H_ */