2
******************************************************************************
4
* Copyright (C) 1999-2010, International Business Machines
5
* Corporation and others. All Rights Reserved.
7
******************************************************************************
8
* file name: umachine.h
10
* tab size: 8 (not used)
13
* created on: 1999sep13
14
* created by: Markus W. Scherer
16
* This file defines basic types and constants for utf.h to be
17
* platform-independent. umachine.h and utf.h are included into
18
* utypes.h to provide all the general definitions for ICU.
19
* All of these definitions used to be in utypes.h before
20
* the UTF-handling macros made this unmaintainable.
23
#ifndef __UMACHINE_H__
24
#define __UMACHINE_H__
29
* \brief Basic types and constants for UTF
31
* <h2> Basic types and constants for UTF </h2>
32
* This file defines basic types and constants for utf.h to be
33
* platform-independent. umachine.h and utf.h are included into
34
* utypes.h to provide all the general definitions for ICU.
35
* All of these definitions used to be in utypes.h before
36
* the UTF-handling macros made this unmaintainable.
39
/*==========================================================================*/
40
/* Include platform-dependent definitions */
41
/* which are contained in the platform-specific file platform.h */
42
/*==========================================================================*/
45
# include "unicode/ppalmos.h"
46
#elif !defined(__MINGW32__) && (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64))
48
# include "unicode/platform.h"
50
# include "unicode/pwin32.h"
52
# include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
57
* stddef.h defines wchar_t
61
/*==========================================================================*/
62
/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
63
/* using C++. It should not be defined when compiling under C. */
64
/*==========================================================================*/
74
/*==========================================================================*/
75
/* For C wrappers, we use the symbol U_STABLE. */
76
/* This works properly if the includer is C or C++. */
77
/* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */
78
/*==========================================================================*/
82
* This is used in a declaration of a library private ICU C function.
88
* This is used to begin a declaration of a library private ICU C API.
94
* This is used to end a declaration of a library private ICU C API
99
# define U_CFUNC extern "C"
100
# define U_CDECL_BEGIN extern "C" {
101
# define U_CDECL_END }
103
# define U_CFUNC extern
104
# define U_CDECL_BEGIN
109
* \def U_ATTRIBUTE_DEPRECATED
110
* This is used for GCC specific attributes
113
#if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
114
# define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
116
* \def U_ATTRIBUTE_DEPRECATED
117
* This is used for Visual C++ specific attributes
120
#elif defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
121
# define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
123
# define U_ATTRIBUTE_DEPRECATED
125
/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
126
#define U_CAPI U_CFUNC U_EXPORT
127
/** This is used to declare a function as a stable public ICU C API*/
128
#define U_STABLE U_CAPI
129
/** This is used to declare a function as a draft public ICU C API */
130
#define U_DRAFT U_CAPI
131
/** This is used to declare a function as a deprecated public ICU C API */
132
#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
133
/** This is used to declare a function as an obsolete public ICU C API */
134
#define U_OBSOLETE U_CAPI
135
/** This is used to declare a function as an internal ICU C API */
136
#define U_INTERNAL U_CAPI
138
/*==========================================================================*/
139
/* limits for int32_t etc., like in POSIX inttypes.h */
140
/*==========================================================================*/
143
/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
144
# define INT8_MIN ((int8_t)(-128))
147
/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
148
# define INT16_MIN ((int16_t)(-32767-1))
151
/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
152
# define INT32_MIN ((int32_t)(-2147483647-1))
156
/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
157
# define INT8_MAX ((int8_t)(127))
160
/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
161
# define INT16_MAX ((int16_t)(32767))
164
/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
165
# define INT32_MAX ((int32_t)(2147483647))
169
/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
170
# define UINT8_MAX ((uint8_t)(255U))
173
/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
174
# define UINT16_MAX ((uint16_t)(65535U))
177
/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
178
# define UINT32_MAX ((uint32_t)(4294967295U))
181
#if defined(U_INT64_T_UNAVAILABLE)
182
# error int64_t is required for decimal format and rule-based number format.
186
* Provides a platform independent way to specify a signed 64-bit integer constant.
187
* note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
190
# define INT64_C(c) c ## LL
194
* Provides a platform independent way to specify an unsigned 64-bit integer constant.
195
* note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
198
# define UINT64_C(c) c ## ULL
201
/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
202
# define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1))
205
/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
206
# define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807)))
208
# ifndef U_UINT64_MAX
209
/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
210
# define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615)))
214
/*==========================================================================*/
215
/* Boolean data type */
216
/*==========================================================================*/
218
/** The ICU boolean type @stable ICU 2.0 */
219
typedef int8_t UBool;
222
/** The TRUE value of a UBool @stable ICU 2.0 */
226
/** The FALSE value of a UBool @stable ICU 2.0 */
231
/*==========================================================================*/
232
/* Unicode data types */
233
/*==========================================================================*/
235
/* wchar_t-related definitions -------------------------------------------- */
238
* \def U_HAVE_WCHAR_H
239
* Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default.
243
#ifndef U_HAVE_WCHAR_H
244
# define U_HAVE_WCHAR_H 1
248
* \def U_SIZEOF_WCHAR_T
249
* U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it)
253
#if U_SIZEOF_WCHAR_T==0
254
# undef U_SIZEOF_WCHAR_T
255
# define U_SIZEOF_WCHAR_T 4
259
* \def U_WCHAR_IS_UTF16
260
* Defined if wchar_t uses UTF-16.
265
* \def U_WCHAR_IS_UTF32
266
* Defined if wchar_t uses UTF-32.
270
#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
271
# ifdef __STDC_ISO_10646__
272
# if (U_SIZEOF_WCHAR_T==2)
273
# define U_WCHAR_IS_UTF16
274
# elif (U_SIZEOF_WCHAR_T==4)
275
# define U_WCHAR_IS_UTF32
277
# elif defined __UCS2__
278
# if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
279
# define U_WCHAR_IS_UTF16
281
# elif defined __UCS4__
282
# if (U_SIZEOF_WCHAR_T==4)
283
# define U_WCHAR_IS_UTF32
285
# elif defined(U_WINDOWS)
286
# define U_WCHAR_IS_UTF16
290
/* UChar and UChar32 definitions -------------------------------------------- */
292
/** Number of bytes in a UChar. @stable ICU 2.0 */
293
#define U_SIZEOF_UCHAR 2
297
* Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned.
298
* If wchar_t is not 16 bits wide, then define UChar to be uint16_t or char16_t because GCC >=4.4
299
* can handle UTF16 string literals.
300
* This makes the definition of UChar platform-dependent
301
* but allows direct string type compatibility with platforms with
302
* 16-bit wchar_t types.
307
/* Define UChar to be compatible with wchar_t if possible. */
308
#if U_SIZEOF_WCHAR_T==2
309
typedef wchar_t UChar;
310
#elif U_GNUC_UTF16_STRING
312
typedef __CHAR16_TYPE__ char16_t;
314
typedef char16_t UChar;
316
typedef uint16_t UChar;
320
* Define UChar32 as a type for single Unicode code points.
321
* UChar32 is a signed 32-bit integer (same as int32_t).
323
* The Unicode code point range is 0..0x10ffff.
324
* All other values (negative or >=0x110000) are illegal as Unicode code points.
325
* They may be used as sentinel values to indicate "done", "error"
326
* or similar non-code point conditions.
328
* Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
329
* to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
330
* or else to be uint32_t.
331
* That is, the definition of UChar32 was platform-dependent.
336
typedef int32_t UChar32;
338
/*==========================================================================*/
339
/* U_INLINE and U_ALIGN_CODE Set default values if these are not already */
340
/* defined. Definitions normally are in */
341
/* platform.h or the corresponding file for */
343
/*==========================================================================*/
345
#ifndef U_HIDE_INTERNAL_API
349
* This is used to align code fragments to a specific byte boundary.
350
* This is useful for getting consistent performance test results.
354
# define U_ALIGN_CODE(n)
357
#endif /* U_HIDE_INTERNAL_API */
361
* This is used to request inlining of a function, on platforms and languages which support it.
366
# define U_INLINE inline
372
#include "unicode/urename.h"