[apple/icu.git] / icuSources / common / unicode / ptypes.h

/*
******************************************************************************
*
*   Copyright (C) 1997-2012, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
******************************************************************************
*
*  FILE NAME : ptypes.h
*
*   Date        Name        Description
*   05/13/98    nos         Creation (content moved here from ptypes.h).
*   03/02/99    stephen     Added AS400 support.
*   03/30/99    stephen     Added Linux support.
*   04/13/99    stephen     Reworked for autoconf.
*   09/18/08    srl         Moved basic types back to ptypes.h from platform.h
******************************************************************************
*/

/**
 * \file
 * \brief C API: Definitions of integer types of various widths
 */

#ifndef _PTYPES_H
#define _PTYPES_H

/**
 * \def __STDC_LIMIT_MACROS
 * According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
 * macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
 * We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
 * that uses such limit macros.
 * @internal
 */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif

/* NULL, size_t, wchar_t */
#include <stddef.h>

/*
 * If all compilers provided all of the C99 headers and types,
 * we would just unconditionally #include <stdint.h> here
 * and not need any of the stuff after including platform.h.
 */

/* Find out if we have stdint.h etc. */
#include "unicode/platform.h"

/*===========================================================================*/
/* Generic data types                                                        */
/*===========================================================================*/

/* If your platform does not have the <stdint.h> header, you may
   need to edit the typedefs in the #else section below.
   Use #if...#else...#endif with predefined compiler macros if possible. */
#if U_HAVE_STDINT_H

/*
 * We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
 * <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
 * which we almost never use, plus stuff like imaxabs() which we never use.
 */
#include <stdint.h>

#if U_PLATFORM == U_PF_OS390
/* The features header is needed to get (u)int64_t sometimes. */
#include <features.h>
/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
#if !defined(__uint8_t)
#define __uint8_t 1
typedef unsigned char uint8_t;
#endif
#endif /* U_PLATFORM == U_PF_OS390 */

#elif U_HAVE_INTTYPES_H

#   include <inttypes.h>

#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */

#if ! U_HAVE_INT8_T
typedef signed char int8_t;
#endif

#if ! U_HAVE_UINT8_T
typedef unsigned char uint8_t;
#endif

#if ! U_HAVE_INT16_T
typedef signed short int16_t;
#endif

#if ! U_HAVE_UINT16_T
typedef unsigned short uint16_t;
#endif

#if ! U_HAVE_INT32_T
typedef signed int int32_t;
#endif

#if ! U_HAVE_UINT32_T
typedef unsigned int uint32_t;
#endif

#if ! U_HAVE_INT64_T
#ifdef _MSC_VER
    typedef signed __int64 int64_t;
#else
    typedef signed long long int64_t;
#endif
#endif

#if ! U_HAVE_UINT64_T
#ifdef _MSC_VER
    typedef unsigned __int64 uint64_t;
#else
    typedef unsigned long long uint64_t;
#endif
#endif

#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */

#endif /* _PTYPES_H */
Commit	Line	Data
729e4ab9 A	1	/*
	2	******************************************************************************
	3	*
51004dcb	4	* Copyright (C) 1997-2012, International Business Machines
729e4ab9 A	5	* Corporation and others. All Rights Reserved.
	6	*
	7	******************************************************************************
	8	*
	9	* FILE NAME : ptypes.h
	10	*
	11	* Date Name Description
	12	* 05/13/98 nos Creation (content moved here from ptypes.h).
	13	* 03/02/99 stephen Added AS400 support.
	14	* 03/30/99 stephen Added Linux support.
	15	* 04/13/99 stephen Reworked for autoconf.
	16	* 09/18/08 srl Moved basic types back to ptypes.h from platform.h
	17	******************************************************************************
	18	*/
	19
51004dcb A	20	/**
	21	* \file
	22	* \brief C API: Definitions of integer types of various widths
	23	*/
	24
729e4ab9 A	25	#ifndef _PTYPES_H
	26	#define _PTYPES_H
	27
4388f060 A	28	/**
	29	* \def __STDC_LIMIT_MACROS
	30	* According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
	31	* macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
	32	* We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
	33	* that uses such limit macros.
	34	* @internal
	35	*/
	36	#ifndef __STDC_LIMIT_MACROS
	37	#define __STDC_LIMIT_MACROS
	38	#endif
	39
	40	/* NULL, size_t, wchar_t */
	41	#include <stddef.h>
	42
	43	/*
	44	* If all compilers provided all of the C99 headers and types,
	45	* we would just unconditionally #include <stdint.h> here
	46	* and not need any of the stuff after including platform.h.
	47	*/
729e4ab9	48
4388f060	49	/* Find out if we have stdint.h etc. */
729e4ab9 A	50	#include "unicode/platform.h"
	51
	52	/===========================================================================/
	53	/* Generic data types */
	54	/===========================================================================/
	55
4388f060 A	56	/* If your platform does not have the <stdint.h> header, you may
	57	need to edit the typedefs in the #else section below.
	58	Use #if...#else...#endif with predefined compiler macros if possible. */
	59	#if U_HAVE_STDINT_H
729e4ab9	60
4388f060 A	61	/*
	62	* We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
	63	* <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
	64	* which we almost never use, plus stuff like imaxabs() which we never use.
	65	*/
	66	#include <stdint.h>
	67
	68	#if U_PLATFORM == U_PF_OS390
729e4ab9 A	69	/* The features header is needed to get (u)int64_t sometimes. */
729e4ab9 A	70	#include <features.h>
4388f060	71	/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
729e4ab9 A	72	#if !defined(__uint8_t)
	73	#define __uint8_t 1
	74	typedef unsigned char uint8_t;
	75	#endif
4388f060 A	76	#endif /* U_PLATFORM == U_PF_OS390 */
	77
	78	#elif U_HAVE_INTTYPES_H
729e4ab9	79
4388f060	80	# include <inttypes.h>
729e4ab9	81
4388f060	82	#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
729e4ab9 A	83
	84	#if ! U_HAVE_INT8_T
	85	typedef signed char int8_t;
	86	#endif
	87
	88	#if ! U_HAVE_UINT8_T
	89	typedef unsigned char uint8_t;
	90	#endif
	91
	92	#if ! U_HAVE_INT16_T
	93	typedef signed short int16_t;
	94	#endif
	95
	96	#if ! U_HAVE_UINT16_T
	97	typedef unsigned short uint16_t;
	98	#endif
	99
	100	#if ! U_HAVE_INT32_T
	101	typedef signed int int32_t;
	102	#endif
	103
	104	#if ! U_HAVE_UINT32_T
	105	typedef unsigned int uint32_t;
	106	#endif
	107
	108	#if ! U_HAVE_INT64_T
4388f060 A	109	#ifdef _MSC_VER
	110	typedef signed __int64 int64_t;
	111	#else
729e4ab9	112	typedef signed long long int64_t;
4388f060	113	#endif
729e4ab9 A	114	#endif
	115
	116	#if ! U_HAVE_UINT64_T
4388f060 A	117	#ifdef _MSC_VER
	118	typedef unsigned __int64 uint64_t;
	119	#else
729e4ab9	120	typedef unsigned long long uint64_t;
4388f060	121	#endif
729e4ab9 A	122	#endif
729e4ab9 A	123
4388f060	124	#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
729e4ab9 A	125
729e4ab9 A	126	#endif /* _PTYPES_H */