1 // boost cstdint.hpp header file ------------------------------------------//
3 // (C) Copyright Beman Dawes 1999.
4 // (C) Copyright Jens Mauer 2001
5 // (C) Copyright John Maddock 2001
6 // Distributed under the Boost
7 // Software License, Version 1.0. (See accompanying file
8 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
10 // See http://www.boost.org/libs/integer for documentation.
13 // 31 Oct 01 use BOOST_HAS_LONG_LONG to check for "long long" (Jens M.)
14 // 16 Apr 01 check LONGLONG_MAX when looking for "long long" (Jens Maurer)
15 // 23 Jan 01 prefer "long" over "int" for int32_t and intmax_t (Jens Maurer)
16 // 12 Nov 00 Merged <boost/stdint.h> (Jens Maurer)
17 // 23 Sep 00 Added INTXX_C macro support (John Maddock).
18 // 22 Sep 00 Better 64-bit support (John Maddock)
19 // 29 Jun 00 Reimplement to avoid including stdint.h within namespace boost
20 // 8 Aug 99 Initial version (Beman Dawes)
23 #ifndef BOOST_CSTDINT_HPP
24 #define BOOST_CSTDINT_HPP
27 // Since we always define the INT#_C macros as per C++0x,
28 // define __STDC_CONSTANT_MACROS so that <stdint.h> does the right
29 // thing if possible, and so that the user knows that the macros
30 // are actually defined as per C99.
32 #ifndef __STDC_CONSTANT_MACROS
33 # define __STDC_CONSTANT_MACROS
36 #include <boost/config.hpp>
39 // Note that GLIBC is a bit inconsistent about whether int64_t is defined or not
40 // depending upon what headers happen to have been included first...
41 // so we disable use of stdint.h when GLIBC does not define __GLIBC_HAVE_LONG_LONG.
42 // See https://svn.boost.org/trac/boost/ticket/3548 and http://sources.redhat.com/bugzilla/show_bug.cgi?id=10990
44 #if defined(BOOST_HAS_STDINT_H) && (!defined(__GLIBC__) || defined(__GLIBC_HAVE_LONG_LONG))
46 // The following #include is an implementation artifact; not part of interface.
48 // HP-UX has a vaguely nice <stdint.h> in a non-standard location
49 # include <inttypes.h>
50 # ifdef __STDC_32_MODE__
51 // this is triggered with GCC, because it defines __cplusplus < 199707L
52 # define BOOST_NO_INT64_T
54 # elif defined(__FreeBSD__) || defined(__IBMCPP__) || defined(_AIX)
55 # include <inttypes.h>
59 // There is a bug in Cygwin two _C macros
60 # if defined(__STDC_CONSTANT_MACROS) && defined(__CYGWIN__)
63 # define INTMAX_C(c) c##LL
64 # define UINTMAX_C(c) c##ULL
71 // QNX (Dinkumware stdlib) defines these as non-standard names.
72 // Reflect to the standard names.
74 typedef ::intleast8_t int_least8_t;
75 typedef ::intfast8_t int_fast8_t;
76 typedef ::uintleast8_t uint_least8_t;
77 typedef ::uintfast8_t uint_fast8_t;
79 typedef ::intleast16_t int_least16_t;
80 typedef ::intfast16_t int_fast16_t;
81 typedef ::uintleast16_t uint_least16_t;
82 typedef ::uintfast16_t uint_fast16_t;
84 typedef ::intleast32_t int_least32_t;
85 typedef ::intfast32_t int_fast32_t;
86 typedef ::uintleast32_t uint_least32_t;
87 typedef ::uintfast32_t uint_fast32_t;
89 # ifndef BOOST_NO_INT64_T
91 typedef ::intleast64_t int_least64_t;
92 typedef ::intfast64_t int_fast64_t;
93 typedef ::uintleast64_t uint_least64_t;
94 typedef ::uintfast64_t uint_fast64_t;
104 using ::int_least8_t;
107 using ::uint_least8_t;
108 using ::uint_fast8_t;
111 using ::int_least16_t;
112 using ::int_fast16_t;
114 using ::uint_least16_t;
115 using ::uint_fast16_t;
118 using ::int_least32_t;
119 using ::int_fast32_t;
121 using ::uint_least32_t;
122 using ::uint_fast32_t;
124 # ifndef BOOST_NO_INT64_T
127 using ::int_least64_t;
128 using ::int_fast64_t;
130 using ::uint_least64_t;
131 using ::uint_fast64_t;
140 #elif defined(__FreeBSD__) && (__FreeBSD__ <= 4) || defined(__osf__)
141 // FreeBSD and Tru64 have an <inttypes.h> that contains much of what we need.
142 # include <inttypes.h>
147 typedef int8_t int_least8_t;
148 typedef int8_t int_fast8_t;
150 typedef uint8_t uint_least8_t;
151 typedef uint8_t uint_fast8_t;
154 typedef int16_t int_least16_t;
155 typedef int16_t int_fast16_t;
157 typedef uint16_t uint_least16_t;
158 typedef uint16_t uint_fast16_t;
161 typedef int32_t int_least32_t;
162 typedef int32_t int_fast32_t;
164 typedef uint32_t uint_least32_t;
165 typedef uint32_t uint_fast32_t;
167 # ifndef BOOST_NO_INT64_T
170 typedef int64_t int_least64_t;
171 typedef int64_t int_fast64_t;
173 typedef uint64_t uint_least64_t;
174 typedef uint64_t uint_fast64_t;
176 typedef int64_t intmax_t;
177 typedef uint64_t uintmax_t;
181 typedef int32_t intmax_t;
182 typedef uint32_t uintmax_t;
188 #else // BOOST_HAS_STDINT_H
190 # include <boost/limits.hpp> // implementation artifact; not part of interface
191 # include <limits.h> // needed for limits macros
197 // These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
198 // platforms. For other systems, they will have to be hand tailored.
200 // Because the fast types are assumed to be the same as the undecorated types,
201 // it may be possible to hand tailor a more efficient implementation. Such
202 // an optimization may be illusionary; on the Intel x86-family 386 on, for
203 // example, byte arithmetic and load/stores are as fast as "int" sized ones.
205 // 8-bit types ------------------------------------------------------------//
207 # if UCHAR_MAX == 0xff
208 typedef signed char int8_t;
209 typedef signed char int_least8_t;
210 typedef signed char int_fast8_t;
211 typedef unsigned char uint8_t;
212 typedef unsigned char uint_least8_t;
213 typedef unsigned char uint_fast8_t;
215 # error defaults not correct; you must hand modify boost/cstdint.hpp
218 // 16-bit types -----------------------------------------------------------//
220 # if USHRT_MAX == 0xffff
221 # if defined(__crayx1)
222 // The Cray X1 has a 16-bit short, however it is not recommend
223 // for use in performance critical code.
224 typedef short int16_t;
225 typedef short int_least16_t;
226 typedef int int_fast16_t;
227 typedef unsigned short uint16_t;
228 typedef unsigned short uint_least16_t;
229 typedef unsigned int uint_fast16_t;
231 typedef short int16_t;
232 typedef short int_least16_t;
233 typedef short int_fast16_t;
234 typedef unsigned short uint16_t;
235 typedef unsigned short uint_least16_t;
236 typedef unsigned short uint_fast16_t;
238 # elif (USHRT_MAX == 0xffffffff) && defined(__MTA__)
239 // On MTA / XMT short is 32 bits unless the -short16 compiler flag is specified
240 // MTA / XMT does support the following non-standard integer types
241 typedef __short16 int16_t;
242 typedef __short16 int_least16_t;
243 typedef __short16 int_fast16_t;
244 typedef unsigned __short16 uint16_t;
245 typedef unsigned __short16 uint_least16_t;
246 typedef unsigned __short16 uint_fast16_t;
247 # elif (USHRT_MAX == 0xffffffff) && defined(CRAY)
248 // no 16-bit types on Cray:
249 typedef short int_least16_t;
250 typedef short int_fast16_t;
251 typedef unsigned short uint_least16_t;
252 typedef unsigned short uint_fast16_t;
254 # error defaults not correct; you must hand modify boost/cstdint.hpp
257 // 32-bit types -----------------------------------------------------------//
259 # if ULONG_MAX == 0xffffffff
260 typedef long int32_t;
261 typedef long int_least32_t;
262 typedef long int_fast32_t;
263 typedef unsigned long uint32_t;
264 typedef unsigned long uint_least32_t;
265 typedef unsigned long uint_fast32_t;
266 # elif UINT_MAX == 0xffffffff
268 typedef int int_least32_t;
269 typedef int int_fast32_t;
270 typedef unsigned int uint32_t;
271 typedef unsigned int uint_least32_t;
272 typedef unsigned int uint_fast32_t;
273 # elif (UINT_MAX == 0xffffffffffffffff) && defined(__MTA__)
274 // Integers are 64 bits on the MTA / XMT
275 typedef __int32 int32_t;
276 typedef __int32 int_least32_t;
277 typedef __int32 int_fast32_t;
278 typedef unsigned __int32 uint32_t;
279 typedef unsigned __int32 uint_least32_t;
280 typedef unsigned __int32 uint_fast32_t;
282 # error defaults not correct; you must hand modify boost/cstdint.hpp
285 // 64-bit types + intmax_t and uintmax_t ----------------------------------//
287 # if defined(BOOST_HAS_LONG_LONG) && \
288 !defined(BOOST_MSVC) && !defined(__BORLANDC__) && \
289 (!defined(__GLIBCPP__) || defined(_GLIBCPP_USE_LONG_LONG)) && \
290 (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
292 // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
293 # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL)
296 # error defaults not correct; you must hand modify boost/cstdint.hpp
299 typedef ::boost::long_long_type intmax_t;
300 typedef ::boost::ulong_long_type uintmax_t;
301 typedef ::boost::long_long_type int64_t;
302 typedef ::boost::long_long_type int_least64_t;
303 typedef ::boost::long_long_type int_fast64_t;
304 typedef ::boost::ulong_long_type uint64_t;
305 typedef ::boost::ulong_long_type uint_least64_t;
306 typedef ::boost::ulong_long_type uint_fast64_t;
308 # elif ULONG_MAX != 0xffffffff
310 # if ULONG_MAX == 18446744073709551615 // 2**64 - 1
311 typedef long intmax_t;
312 typedef unsigned long uintmax_t;
313 typedef long int64_t;
314 typedef long int_least64_t;
315 typedef long int_fast64_t;
316 typedef unsigned long uint64_t;
317 typedef unsigned long uint_least64_t;
318 typedef unsigned long uint_fast64_t;
320 # error defaults not correct; you must hand modify boost/cstdint.hpp
322 # elif defined(__GNUC__) && defined(BOOST_HAS_LONG_LONG)
323 __extension__ typedef long long intmax_t;
324 __extension__ typedef unsigned long long uintmax_t;
325 __extension__ typedef long long int64_t;
326 __extension__ typedef long long int_least64_t;
327 __extension__ typedef long long int_fast64_t;
328 __extension__ typedef unsigned long long uint64_t;
329 __extension__ typedef unsigned long long uint_least64_t;
330 __extension__ typedef unsigned long long uint_fast64_t;
331 # elif defined(BOOST_HAS_MS_INT64)
333 // we have Borland/Intel/Microsoft __int64:
335 typedef __int64 intmax_t;
336 typedef unsigned __int64 uintmax_t;
337 typedef __int64 int64_t;
338 typedef __int64 int_least64_t;
339 typedef __int64 int_fast64_t;
340 typedef unsigned __int64 uint64_t;
341 typedef unsigned __int64 uint_least64_t;
342 typedef unsigned __int64 uint_fast64_t;
343 # else // assume no 64-bit integers
344 # define BOOST_NO_INT64_T
345 typedef int32_t intmax_t;
346 typedef uint32_t uintmax_t;
352 #endif // BOOST_HAS_STDINT_H
354 #endif // BOOST_CSTDINT_HPP
357 /****************************************************
359 Macro definition section:
361 Added 23rd September 2000 (John Maddock).
362 Modified 11th September 2001 to be excluded when
363 BOOST_HAS_STDINT_H is defined (John Maddock).
364 Modified 11th Dec 2009 to always define the
365 INT#_C macros if they're not already defined (John Maddock).
367 ******************************************************/
369 #if !defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && \
370 (!defined(INT8_C) || !defined(INT16_C) || !defined(INT32_C) || !defined(INT64_C))
372 // For the following code we get several warnings along the lines of:
374 // boost/cstdint.hpp:428:35: error: use of C99 long long integer constant
376 // So we declare this a system header to suppress these warnings.
378 #if defined(__GNUC__) && (__GNUC__ >= 4)
379 #pragma GCC system_header
383 # define BOOST__STDC_CONSTANT_MACROS_DEFINED
384 # if defined(BOOST_HAS_MS_INT64)
386 // Borland/Intel/Microsoft compilers have width specific suffixes:
389 # define INT8_C(value) value##i8
392 # define INT16_C(value) value##i16
395 # define INT32_C(value) value##i32
398 # define INT64_C(value) value##i64
401 // Borland bug: appending ui8 makes the type a signed char
402 # define UINT8_C(value) static_cast<unsigned char>(value##u)
404 # define UINT8_C(value) value##ui8
407 # define UINT16_C(value) value##ui16
410 # define UINT32_C(value) value##ui32
413 # define UINT64_C(value) value##ui64
416 # define INTMAX_C(value) value##i64
417 # define UINTMAX_C(value) value##ui64
421 // do it the old fashioned way:
423 // 8-bit types ------------------------------------------------------------//
425 # if (UCHAR_MAX == 0xff) && !defined(INT8_C)
426 # define INT8_C(value) static_cast<boost::int8_t>(value)
427 # define UINT8_C(value) static_cast<boost::uint8_t>(value##u)
430 // 16-bit types -----------------------------------------------------------//
432 # if (USHRT_MAX == 0xffff) && !defined(INT16_C)
433 # define INT16_C(value) static_cast<boost::int16_t>(value)
434 # define UINT16_C(value) static_cast<boost::uint16_t>(value##u)
437 // 32-bit types -----------------------------------------------------------//
439 # if (UINT_MAX == 0xffffffff)
440 # define INT32_C(value) value
441 # define UINT32_C(value) value##u
442 # elif ULONG_MAX == 0xffffffff
443 # define INT32_C(value) value##L
444 # define UINT32_C(value) value##uL
448 // 64-bit types + intmax_t and uintmax_t ----------------------------------//
450 # if defined(BOOST_HAS_LONG_LONG) && \
451 (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX) || defined(_LLONG_MAX))
454 // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
455 # define INT64_C(value) value##LL
456 # define UINT64_C(value) value##uLL
457 # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || \
458 (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || \
459 (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL) || \
460 (defined(_LLONG_MAX) && _LLONG_MAX == 18446744073709551615ULL)
462 # define INT64_C(value) value##LL
463 # define UINT64_C(value) value##uLL
465 # error defaults not correct; you must hand modify boost/cstdint.hpp
467 # elif ULONG_MAX != 0xffffffff
469 # if ULONG_MAX == 18446744073709551615U // 2**64 - 1
470 # define INT64_C(value) value##L
471 # define UINT64_C(value) value##uL
473 # error defaults not correct; you must hand modify boost/cstdint.hpp
475 # elif defined(BOOST_HAS_LONG_LONG)
476 // Usual macros not defined, work things out for ourselves:
477 # if(~0uLL == 18446744073709551615ULL)
478 # define INT64_C(value) value##LL
479 # define UINT64_C(value) value##uLL
481 # error defaults not correct; you must hand modify boost/cstdint.hpp
484 # error defaults not correct; you must hand modify boost/cstdint.hpp
487 # ifdef BOOST_NO_INT64_T
488 # define INTMAX_C(value) INT32_C(value)
489 # define UINTMAX_C(value) UINT32_C(value)
491 # define INTMAX_C(value) INT64_C(value)
492 # define UINTMAX_C(value) UINT64_C(value)
495 # endif // Borland/Microsoft specific width suffixes
497 #endif // INT#_C macros.