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
26 #include <boost/config.hpp>
29 #ifdef BOOST_HAS_STDINT_H
31 // The following #include is an implementation artifact; not part of interface.
33 // HP-UX has a vaguely nice <stdint.h> in a non-standard location
34 # include <inttypes.h>
35 # ifdef __STDC_32_MODE__
36 // this is triggered with GCC, because it defines __cplusplus < 199707L
37 # define BOOST_NO_INT64_T
39 # elif defined(__FreeBSD__) || defined(__IBMCPP__)
40 # include <inttypes.h>
52 using ::uint_least8_t;
56 using ::int_least16_t;
59 using ::uint_least16_t;
60 using ::uint_fast16_t;
63 using ::int_least32_t;
66 using ::uint_least32_t;
67 using ::uint_fast32_t;
69 # ifndef BOOST_NO_INT64_T
72 using ::int_least64_t;
75 using ::uint_least64_t;
76 using ::uint_fast64_t;
85 #elif defined(__FreeBSD__) && (__FreeBSD__ <= 4) || defined(__osf__)
86 // FreeBSD and Tru64 have an <inttypes.h> that contains much of what we need.
87 # include <inttypes.h>
92 typedef int8_t int_least8_t;
93 typedef int8_t int_fast8_t;
95 typedef uint8_t uint_least8_t;
96 typedef uint8_t uint_fast8_t;
99 typedef int16_t int_least16_t;
100 typedef int16_t int_fast16_t;
102 typedef uint16_t uint_least16_t;
103 typedef uint16_t uint_fast16_t;
106 typedef int32_t int_least32_t;
107 typedef int32_t int_fast32_t;
109 typedef uint32_t uint_least32_t;
110 typedef uint32_t uint_fast32_t;
112 # ifndef BOOST_NO_INT64_T
115 typedef int64_t int_least64_t;
116 typedef int64_t int_fast64_t;
118 typedef uint64_t uint_least64_t;
119 typedef uint64_t uint_fast64_t;
121 typedef int64_t intmax_t;
122 typedef uint64_t uintmax_t;
126 typedef int32_t intmax_t;
127 typedef uint32_t uintmax_t;
133 #else // BOOST_HAS_STDINT_H
135 # include <boost/limits.hpp> // implementation artifact; not part of interface
141 // These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
142 // platforms. For other systems, they will have to be hand tailored.
144 // Because the fast types are assumed to be the same as the undecorated types,
145 // it may be possible to hand tailor a more efficient implementation. Such
146 // an optimization may be illusionary; on the Intel x86-family 386 on, for
147 // example, byte arithmetic and load/stores are as fast as "int" sized ones.
149 // 8-bit types ------------------------------------------------------------//
151 # if UCHAR_MAX == 0xff
152 typedef signed char int8_t;
153 typedef signed char int_least8_t;
154 typedef signed char int_fast8_t;
155 typedef unsigned char uint8_t;
156 typedef unsigned char uint_least8_t;
157 typedef unsigned char uint_fast8_t;
159 # error defaults not correct; you must hand modify boost/cstdint.hpp
162 // 16-bit types -----------------------------------------------------------//
164 # if USHRT_MAX == 0xffff
165 # if defined(__crayx1)
166 // The Cray X1 has a 16-bit short, however it is not recommend
167 // for use in performance critical code.
168 typedef short int16_t;
169 typedef short int_least16_t;
170 typedef int int_fast16_t;
171 typedef unsigned short uint16_t;
172 typedef unsigned short uint_least16_t;
173 typedef unsigned int uint_fast16_t;
175 typedef short int16_t;
176 typedef short int_least16_t;
177 typedef short int_fast16_t;
178 typedef unsigned short uint16_t;
179 typedef unsigned short uint_least16_t;
180 typedef unsigned short uint_fast16_t;
182 # elif (USHRT_MAX == 0xffffffff) && defined(CRAY)
183 // no 16-bit types on Cray:
184 typedef short int_least16_t;
185 typedef short int_fast16_t;
186 typedef unsigned short uint_least16_t;
187 typedef unsigned short uint_fast16_t;
189 # error defaults not correct; you must hand modify boost/cstdint.hpp
192 // 32-bit types -----------------------------------------------------------//
194 # if ULONG_MAX == 0xffffffff
195 typedef long int32_t;
196 typedef long int_least32_t;
197 typedef long int_fast32_t;
198 typedef unsigned long uint32_t;
199 typedef unsigned long uint_least32_t;
200 typedef unsigned long uint_fast32_t;
201 # elif UINT_MAX == 0xffffffff
203 typedef int int_least32_t;
204 typedef int int_fast32_t;
205 typedef unsigned int uint32_t;
206 typedef unsigned int uint_least32_t;
207 typedef unsigned int uint_fast32_t;
209 # error defaults not correct; you must hand modify boost/cstdint.hpp
212 // 64-bit types + intmax_t and uintmax_t ----------------------------------//
214 # if defined(BOOST_HAS_LONG_LONG) && \
215 !defined(BOOST_MSVC) && !defined(__BORLANDC__) && \
216 (!defined(__GLIBCPP__) || defined(_GLIBCPP_USE_LONG_LONG)) && \
217 (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
219 // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
220 # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615ULL) || (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615ULL) || (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615ULL)
223 # error defaults not correct; you must hand modify boost/cstdint.hpp
226 typedef ::boost::long_long_type intmax_t;
227 typedef ::boost::ulong_long_type uintmax_t;
228 typedef ::boost::long_long_type int64_t;
229 typedef ::boost::long_long_type int_least64_t;
230 typedef ::boost::long_long_type int_fast64_t;
231 typedef ::boost::ulong_long_type uint64_t;
232 typedef ::boost::ulong_long_type uint_least64_t;
233 typedef ::boost::ulong_long_type uint_fast64_t;
235 # elif ULONG_MAX != 0xffffffff
237 # if ULONG_MAX == 18446744073709551615 // 2**64 - 1
238 typedef long intmax_t;
239 typedef unsigned long uintmax_t;
240 typedef long int64_t;
241 typedef long int_least64_t;
242 typedef long int_fast64_t;
243 typedef unsigned long uint64_t;
244 typedef unsigned long uint_least64_t;
245 typedef unsigned long uint_fast64_t;
247 # error defaults not correct; you must hand modify boost/cstdint.hpp
249 # elif defined(__GNUC__) && defined(BOOST_HAS_LONG_LONG)
250 __extension__ typedef long long intmax_t;
251 __extension__ typedef unsigned long long uintmax_t;
252 __extension__ typedef long long int64_t;
253 __extension__ typedef long long int_least64_t;
254 __extension__ typedef long long int_fast64_t;
255 __extension__ typedef unsigned long long uint64_t;
256 __extension__ typedef unsigned long long uint_least64_t;
257 __extension__ typedef unsigned long long uint_fast64_t;
258 # elif defined(BOOST_HAS_MS_INT64)
260 // we have Borland/Intel/Microsoft __int64:
262 typedef __int64 intmax_t;
263 typedef unsigned __int64 uintmax_t;
264 typedef __int64 int64_t;
265 typedef __int64 int_least64_t;
266 typedef __int64 int_fast64_t;
267 typedef unsigned __int64 uint64_t;
268 typedef unsigned __int64 uint_least64_t;
269 typedef unsigned __int64 uint_fast64_t;
270 # else // assume no 64-bit integers
271 # define BOOST_NO_INT64_T
272 typedef int32_t intmax_t;
273 typedef uint32_t uintmax_t;
279 #endif // BOOST_HAS_STDINT_H
281 #endif // BOOST_CSTDINT_HPP
284 /****************************************************
286 Macro definition section:
288 Define various INTXX_C macros only if
289 __STDC_CONSTANT_MACROS is defined.
291 Undefine the macros if __STDC_CONSTANT_MACROS is
292 not defined and the macros are (cf <cassert>).
294 Added 23rd September 2000 (John Maddock).
295 Modified 11th September 2001 to be excluded when
296 BOOST_HAS_STDINT_H is defined (John Maddock).
298 ******************************************************/
300 #if defined(__STDC_CONSTANT_MACROS) && !defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && !defined(BOOST_HAS_STDINT_H)
301 # define BOOST__STDC_CONSTANT_MACROS_DEFINED
302 # if defined(BOOST_HAS_MS_INT64)
304 // Borland/Intel/Microsoft compilers have width specific suffixes:
306 # define INT8_C(value) value##i8
307 # define INT16_C(value) value##i16
308 # define INT32_C(value) value##i32
309 # define INT64_C(value) value##i64
311 // Borland bug: appending ui8 makes the type a signed char
312 # define UINT8_C(value) static_cast<unsigned char>(value##u)
314 # define UINT8_C(value) value##ui8
316 # define UINT16_C(value) value##ui16
317 # define UINT32_C(value) value##ui32
318 # define UINT64_C(value) value##ui64
319 # define INTMAX_C(value) value##i64
320 # define UINTMAX_C(value) value##ui64
323 // do it the old fashioned way:
325 // 8-bit types ------------------------------------------------------------//
327 # if UCHAR_MAX == 0xff
328 # define INT8_C(value) static_cast<boost::int8_t>(value)
329 # define UINT8_C(value) static_cast<boost::uint8_t>(value##u)
332 // 16-bit types -----------------------------------------------------------//
334 # if USHRT_MAX == 0xffff
335 # define INT16_C(value) static_cast<boost::int16_t>(value)
336 # define UINT16_C(value) static_cast<boost::uint16_t>(value##u)
339 // 32-bit types -----------------------------------------------------------//
341 # if UINT_MAX == 0xffffffff
342 # define INT32_C(value) value
343 # define UINT32_C(value) value##u
344 # elif ULONG_MAX == 0xffffffff
345 # define INT32_C(value) value##L
346 # define UINT32_C(value) value##uL
349 // 64-bit types + intmax_t and uintmax_t ----------------------------------//
351 # if defined(BOOST_HAS_LONG_LONG) && \
352 (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
355 // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
356 # elif (defined(ULLONG_MAX) && ULLONG_MAX == 18446744073709551615U) || \
357 (defined(ULONG_LONG_MAX) && ULONG_LONG_MAX == 18446744073709551615U) || \
358 (defined(ULONGLONG_MAX) && ULONGLONG_MAX == 18446744073709551615U)
361 # error defaults not correct; you must hand modify boost/cstdint.hpp
363 # define INT64_C(value) value##LL
364 # define UINT64_C(value) value##uLL
365 # elif ULONG_MAX != 0xffffffff
367 # if ULONG_MAX == 18446744073709551615 // 2**64 - 1
368 # define INT64_C(value) value##L
369 # define UINT64_C(value) value##uL
371 # error defaults not correct; you must hand modify boost/cstdint.hpp
375 # ifdef BOOST_NO_INT64_T
376 # define INTMAX_C(value) INT32_C(value)
377 # define UINTMAX_C(value) UINT32_C(value)
379 # define INTMAX_C(value) INT64_C(value)
380 # define UINTMAX_C(value) UINT64_C(value)
383 # endif // Borland/Microsoft specific width suffixes
386 #elif defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && !defined(__STDC_CONSTANT_MACROS) && !defined(BOOST_HAS_STDINT_H)
388 // undef all the macros:
401 #endif // __STDC_CONSTANT_MACROS_DEFINED etc.