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

/*
******************************************************************************
*
*   Copyright (C) 1997-2011, 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
******************************************************************************
*/

#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	*
4388f060	4	* Copyright (C) 1997-2011, 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
	20	#ifndef _PTYPES_H
	21	#define _PTYPES_H
	22
4388f060 A	23	/**
	24	* \def __STDC_LIMIT_MACROS
	25	* According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
	26	* macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
	27	* We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
	28	* that uses such limit macros.
	29	* @internal
	30	*/
	31	#ifndef __STDC_LIMIT_MACROS
	32	#define __STDC_LIMIT_MACROS
	33	#endif
	34
	35	/* NULL, size_t, wchar_t */
	36	#include <stddef.h>
	37
	38	/*
	39	* If all compilers provided all of the C99 headers and types,
	40	* we would just unconditionally #include <stdint.h> here
	41	* and not need any of the stuff after including platform.h.
	42	*/
729e4ab9	43
4388f060	44	/* Find out if we have stdint.h etc. */
729e4ab9 A	45	#include "unicode/platform.h"
	46
	47	/===========================================================================/
	48	/* Generic data types */
	49	/===========================================================================/
	50
4388f060 A	51	/* If your platform does not have the <stdint.h> header, you may
	52	need to edit the typedefs in the #else section below.
	53	Use #if...#else...#endif with predefined compiler macros if possible. */
	54	#if U_HAVE_STDINT_H
729e4ab9	55
4388f060 A	56	/*
	57	* We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
	58	* <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
	59	* which we almost never use, plus stuff like imaxabs() which we never use.
	60	*/
	61	#include <stdint.h>
	62
	63	#if U_PLATFORM == U_PF_OS390
729e4ab9 A	64	/* The features header is needed to get (u)int64_t sometimes. */
729e4ab9 A	65	#include <features.h>
4388f060	66	/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
729e4ab9 A	67	#if !defined(__uint8_t)
	68	#define __uint8_t 1
	69	typedef unsigned char uint8_t;
	70	#endif
4388f060 A	71	#endif /* U_PLATFORM == U_PF_OS390 */
	72
	73	#elif U_HAVE_INTTYPES_H
729e4ab9	74
4388f060	75	# include <inttypes.h>
729e4ab9	76
4388f060	77	#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
729e4ab9 A	78
	79	#if ! U_HAVE_INT8_T
	80	typedef signed char int8_t;
	81	#endif
	82
	83	#if ! U_HAVE_UINT8_T
	84	typedef unsigned char uint8_t;
	85	#endif
	86
	87	#if ! U_HAVE_INT16_T
	88	typedef signed short int16_t;
	89	#endif
	90
	91	#if ! U_HAVE_UINT16_T
	92	typedef unsigned short uint16_t;
	93	#endif
	94
	95	#if ! U_HAVE_INT32_T
	96	typedef signed int int32_t;
	97	#endif
	98
	99	#if ! U_HAVE_UINT32_T
	100	typedef unsigned int uint32_t;
	101	#endif
	102
	103	#if ! U_HAVE_INT64_T
4388f060 A	104	#ifdef _MSC_VER
	105	typedef signed __int64 int64_t;
	106	#else
729e4ab9	107	typedef signed long long int64_t;
4388f060	108	#endif
729e4ab9 A	109	#endif
	110
	111	#if ! U_HAVE_UINT64_T
4388f060 A	112	#ifdef _MSC_VER
	113	typedef unsigned __int64 uint64_t;
	114	#else
729e4ab9	115	typedef unsigned long long uint64_t;
4388f060	116	#endif
729e4ab9 A	117	#endif
729e4ab9 A	118
4388f060	119	#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
729e4ab9 A	120
729e4ab9 A	121	#endif /* _PTYPES_H */