include/freetype/config/integer-types.h - third_party/freetype2 - Git at Google

 /****************************************************************************
  *
  * config/integer-types.h
  *
  *   FreeType integer types definitions.
  *
  * Copyright (C) 1996-2021 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_ */
	/****************************************************************************
	*
	* config/integer-types.h
	*
	* FreeType integer types definitions.
	*
	* Copyright (C) 1996-2021 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_ */